#! /bin/sh # # If these # comments don't work, trim them. Don't worry about any other # shell scripts, Configure will trim # comments from them for you. # # (If you are trying to port this package to a machine without sh, # I would suggest you have a look at the prototypical config_h.SH file # and edit it to reflect your system. Some packages may include samples # of config.h for certain machines, so you might look for one of those.) # # Yes, you may rip this off to use in other distribution packages. This # script belongs to the public domain and cannot be copyrighted. # # (Note: this Configure script was generated automatically. Rather than # working with this copy of Configure, you may wish to get metaconfig. # The dist-3.0 package (which contains metaconfig) was posted in # comp.sources.misc so you may fetch it yourself from your nearest # archive site. Check with Archie if you don't know where that can be.) # # $Id: Head.U,v 3.0.1.6 1994/10/29 15:54:19 ram Exp $ # # Generated on Fri Mar 10 09:48:55 EST 1995 [metaconfig 3.0 PL51] cat >/tmp/c1$$ </tmp/c2$$ </dev/null` test "$me" || me=$0 ;; esac : Proper PATH setting paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin' paths=$paths:'/usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin' paths=$paths:'/sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb' paths=$paths:'/bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin' paths=$paths:'/etc /usr/lib /usr/ucblib /lib /usr/ccs/lib' paths=$paths:'/sbin /usr/sbin /usr/libexec' for p in $paths do case ":$PATH:" in *:$p:*) ;; *) test -d $p && PATH=$PATH:$p ;; esac done PATH=.:$PATH export PATH : Sanity checks if test ! -t 0; then echo "Say 'sh $me', not 'sh <$me'" exit 1 fi : On HP-UX, large Configure scripts may exercise a bug in /bin/sh if test -f /hp-ux -a -f /bin/ksh; then if (PATH=.; alias -x) >/dev/null 2>&1; then : already under /bin/ksh else cat <<'EOM' (Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.) EOM unset ENV exec /bin/ksh $0 "$@" fi else : Warn them if they use ksh on other systems (PATH=.; alias -x) >/dev/null 2>&1 && \ cat <extract <<'EOS' CONFIG=true echo "Doing variable substitutions on .SH files..." if test -f MANIFEST; then shlist=`awk '{print $1}' options.awk <<'EOF' BEGIN { optstr = "dD:eEf:hOrsSU:V"; # getopt-style specification len = length(optstr); for (i = 1; i <= len; i++) { c = substr(optstr, i, 1); if (i < len) a = substr(optstr, i + 1, 1); else a = ""; if (a == ":") { arg[c] = 1; i++; } opt[c] = 1; } } { expect = 0; str = $0; if (substr(str, 1, 1) != "-") { printf("'%s'\n", str); next; } len = length($0); for (i = 2; i <= len; i++) { c = substr(str, i, 1); if (!opt[c]) { printf("-%s\n", substr(str, i)); next; } printf("-%s\n", c); if (arg[c]) { if (i < len) printf("'%s'\n", substr(str, i + 1)); else expect = 1; next; } } } END { if (expect) print "?"; } EOF : process the command line options set X `for arg in "$@"; do echo $arg; done | awk -f options.awk` eval "set $*" shift rm -f options.awk : set up default values fastread='' reuseval=false config_sh='' alldone='' error='' silent='' extractsh='' override='' rm -f optdef.sh : option parsing while test $# -gt 0; do case "$1" in -d) shift; fastread=yes;; -e) shift; alldone=cont;; -f) shift cd .. if test -r "$1"; then config_sh="$1" else echo "$me: cannot read config file $1." >&2 error=true fi cd UU shift;; -h) shift; error=true;; -r) shift; reuseval=true;; -s) shift; silent=true;; -E) shift; alldone=exit;; -O) shift; override=true;; -S) shift; extractsh=true;; -D) shift case "$1" in *=) echo "$me: use '-U symbol=', not '-D symbol='." >&2 echo "$me: ignoring -D $1" >&2 ;; *=*) echo "$1" | \ sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;; *) echo "$1='define'" >> optdef.sh;; esac shift ;; -U) shift case "$1" in *=) echo "$1" >> optdef.sh;; *=*) echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2 echo "$me: ignoring -U $1" >&2 ;; *) echo "$1='undef'" >> optdef.sh;; esac shift ;; -V) echo "$me generated by metaconfig 3.0 PL51." >&2 exit 0;; --) break;; -*) echo "$me: unknown option $1" >&2; shift; error=true;; *) break;; esac done case "$error" in true) cat >&2 <&1 case "$silent" in true) exec 1>/dev/null;; esac : run the defines and the undefines, if any, but leave the file out there... touch optdef.sh . ./optdef.sh case "$extractsh" in true) case "$config_sh" in '') config_sh='config.sh'; config='./config.sh';; /*) config="$config_sh";; *) config="./$config_sh";; esac echo " " echo "Fetching answers from $config_sh..." cd .. . $config test "$override" && . ./optdef.sh echo " " . ./UU/extract rm -rf UU echo "Done." exit 0 ;; esac : set package name package=perl5 first=`echo $package | sed -e 's/^\(.\).*/\1/'` last=`echo $package | sed -e 's/^.\(.*\)/\1/'` case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;; *) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;; esac : Eunice requires " " instead of "", can you believe it echo " " : Here we go... echo "Beginning of configuration questions for $package." trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15 : Some greps do not return status, grrr. echo "grimblepritz" >grimble if grep blurfldyick grimble >/dev/null 2>&1 ; then contains=contains elif grep grimblepritz grimble >/dev/null 2>&1 ; then contains=grep else contains=contains fi rm -f grimble : the following should work in any shell case "$contains" in contains*) echo " " echo "AGH! Grep doesn't return a status. Attempting remedial action." cat >contains <<'EOSS' grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp EOSS chmod +x contains esac : first determine how to suppress newline on echo command echo " " echo "Checking echo to see how to suppress newlines..." (echo "hi there\c" ; echo " ") >.echotmp if $contains c .echotmp >/dev/null 2>&1 ; then echo "...using -n." n='-n' c='' else cat <<'EOM' ...using \c EOM n='' c='\c' fi echo $n "The star should be here-->$c" echo '*' rm -f .echotmp : Now test for existence of everything in MANIFEST echo " " if test -f ../MANIFEST; then echo "First let's make sure your kit is complete. Checking..." >&4 awk '$1 !~ /PACK[A-Z]+/ {print $1}' ../MANIFEST | split -50 rm -f missing for filelist in x??; do (cd ..; ls `cat UU/$filelist` >/dev/null 2>>UU/missing) done if test -s missing; then cat missing >&4 cat >&4 <<'EOM' THIS PACKAGE SEEMS TO BE INCOMPLETE. You have the option of continuing the configuration process, despite the distinct possibility that your kit is damaged, by typing 'y'es. If you do, don't blame me if something goes wrong. I advise you to type 'n'o and contact the author (lwall@netlabs.com). EOM echo $n "Continue? [n] $c" >&4 read ans case "$ans" in y*) echo "Continuing..." >&4 rm -f missing ;; *) echo "ABORTING..." >&4 kill $$ ;; esac else echo "Looks good..." >&4 fi else echo "There is no MANIFEST file. I hope your kit is complete !" fi rm -f missing x?? : compute the number of columns on the terminal for proper question formatting case "$COLUMNS" in '') COLUMNS='80';; esac : set up the echo used in my read myecho="case \"\$xxxm\" in '') echo $n \"\$rp $c\" >&4;; *) case \"\$rp\" in '') echo $n \"[\$xxxm] $c\";; *) if test \`echo \"\$rp [\$xxxm] \" | wc -c\` -ge $COLUMNS; then echo \"\$rp\" >&4 echo $n \"[\$xxxm] $c\" >&4 else echo $n \"\$rp [\$xxxm] $c\" >&4 fi ;; esac;; esac" : now set up to do reads with possible shell escape and default assignment cat <myread xxxm=\$dflt $myecho ans='!' case "\$fastread" in yes) case "\$dflt" in '') ;; *) ans=''; case "\$silent-\$rp" in true-) ;; *) echo " " >&4;; esac;; esac;; *) case "\$silent" in true) case "\$rp" in '') ans='';; esac;; esac;; esac while expr "X\$ans" : "X!" >/dev/null; do read answ set x \$xxxm shift aok=''; eval "ans=\"\$answ\"" && aok=y case "\$answ" in "\$ans") case "\$ans" in \\&*) set x \`expr "X\$ans" : "X&\(.*\)\$"\` shift case "\$1" in -d) fastread=yes echo "(OK, I'll run with -d after this question.)" ;; -*) echo "*** Sorry, \$1 not supported yet." ;; esac $myecho ans=! ;; "!") sh 1>&4 echo " " $myecho ;; !*) set x \`expr "X\$ans" : "X!\(.*\)\$"\` shift sh 1>&4 -c "\$*" echo " " $myecho ;; esac;; *) case "\$aok" in y) echo "*** Substitution done -- please confirm." xxxm="\$ans" ans=\`echo $n "\$ans$c" | tr '\012' ' '\` xxxm="\$ans" ans=! ;; *) echo "*** Error -- try again." ans=! ;; esac $myecho ;; esac case "\$ans\$xxxm\$nostick" in '') ans=! $myecho ;; esac done case "\$ans" in '') ans="\$xxxm";; esac EOSC : create .config dir to save info across Configure sessions test -d ../.config || mkdir ../.config cat >../.config/README </dev/null || whoami) 2>&1` if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then firsttime=false echo " " rp='Would you like to see the instructions?' dflt=n . ./myread case "$ans" in [yY]*) ;; *) needman=false;; esac fi if $needman; then cat <>../.config/instruct;; esac fi : see if sh knows # comments echo " " echo "Checking your sh to see if it knows about # comments..." >&4 if `sh -c '#' >/dev/null 2>&1`; then echo "Your sh handles # comments correctly." shsharp=true spitshell=cat echo " " echo "Okay, let's see if #! works on this system..." xcat=/bin/cat test -f $xcat || xcat=/usr/bin/cat echo "#!$xcat" >try $eunicefix try chmod +x try ./try > today if test -s today; then echo "It does." sharpbang='#!' else echo "#! $xcat" > try $eunicefix try chmod +x try ./try > today if test -s today; then echo "It does." sharpbang='#! ' else echo "It's just a comment." sharpbang=': use ' fi fi else echo "Your sh doesn't grok # comments--I will strip them later on." shsharp=false cd .. echo "exec grep -v '^[ ]*#'" >spitshell chmod +x spitshell $eunicefix spitshell spitshell=`pwd`/spitshell cd UU echo "I presume that if # doesn't work, #! won't work either!" sharpbang=': use ' fi rm -f try today : figure out how to guarantee sh startup echo " " echo "Checking out how to guarantee sh startup..." >&4 case "$SYSTYPE" in *bsd*|sys5*) startsh=$sharpbang"/$SYSTYPE/bin/sh";; *) startsh=$sharpbang'/bin/sh';; esac echo "Let's see if '$startsh' works..." cat >try <&4 cat <loc $startsh case \$# in 0) exit 1;; esac thing=\$1 shift dflt=\$1 shift for dir in \$*; do case "\$thing" in .) if test -d \$dir/\$thing; then echo \$dir exit 0 fi ;; *) for thisthing in \$dir/\$thing; do : just loop through to pick last item done if test -f \$thisthing; then echo \$thisthing exit 0 elif test -f \$dir/\$thing.exe; then : on Eunice apparently echo \$dir/\$thing exit 0 fi ;; esac done echo \$dflt exit 1 EOSC chmod +x loc $eunicefix loc loclist=" awk cat comm cp echo expr find grep ln ls mkdir rm sed sort touch tr uniq " trylist=" Mcc byacc cpp csh date egrep line nroff perl test uname " pth=`echo $PATH | sed -e 's/:/ /g'` pth="$pth /lib /usr/lib" for file in $loclist; do xxx=`./loc $file $file $pth` eval $file=$xxx eval _$file=$xxx case "$xxx" in /*) echo $file is in $xxx. ;; *) echo "I don't know where $file is. I hope it's in everyone's PATH." ;; esac done echo " " echo "Don't worry if any of the following aren't found..." say=offhand for file in $trylist; do xxx=`./loc $file $file $pth` eval $file=$xxx eval _$file=$xxx case "$xxx" in /*) echo $file is in $xxx. ;; *) echo "I don't see $file out there, $say." say=either ;; esac done case "$egrep" in egrep) echo "Substituting grep for egrep." egrep=$grep ;; esac case "$test" in test) echo "Hopefully test is built into your sh." ;; *) if `sh -c "PATH= test true" >/dev/null 2>&1`; then echo "Using the test built into your sh." test=test _test=test fi ;; esac case "$echo" in echo) echo "Hopefully echo is built into your sh." ;; '') ;; *) echo " " echo "Checking compatibility between $echo and builtin echo (if any)..." >&4 $echo $n "hi there$c" >foo1 echo $n "hi there$c" >foo2 if cmp foo1 foo2 >/dev/null 2>&1; then echo "They are compatible. In fact, they may be identical." else case "$n" in '-n') n='' c='\c';; *) n='-n' c='';; esac cat <$c" $echo "*" fi $rm -f foo1 foo2 ;; esac : determine whether symbolic links are supported echo " " $touch blurfl if $ln -s blurfl sym > /dev/null 2>&1 ; then echo "Symbolic links are supported." >&4 lns="$ln -s" else echo "Symbolic links are NOT supported." >&4 lns="$ln" fi $rm -f blurfl sym : see whether [:lower:] and [:upper:] are supported character classes echo " " up='[A-Z]' low='[a-z]' case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in ABYZ) echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4 up='[:upper:]' low='[:lower:]' ;; *) echo "Your tr only supports [a-z] and [A-Z] to convert case." >&4 ;; esac : set up the translation script tr, must be called with ./tr of course cat >tr </dev/null || hostname) 2>&1` myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e 's/\///g' | \ ./tr '[A-Z]' '[a-z]' | tr '\012' ' '` newmyuname="$myuname" dflt=n if test "$fastread" = yes; then dflt=y elif test -f ../config.sh; then if $contains myuname= ../config.sh >/dev/null 2>&1; then eval "`grep myuname= ../config.sh`" fi if test "X$myuname" = "X$newmyuname"; then dflt=y fi fi : Get old answers from old config file if Configure was run on the : same system, otherwise use the hints. hint=default cd .. if test -f config.sh; then echo " " rp="I see a config.sh file. Shall I use it to set the defaults?" . UU/myread case "$ans" in n*|N*) echo "OK, I'll ignore it."; mv config.sh config.sh.old;; *) echo "Fetching default answers from your old config.sh file..." >&4 tmp_n="$n" tmp_c="$c" . ./config.sh cp config.sh UU n="$tmp_n" c="$tmp_c" hint=previous ;; esac fi if test ! -f config.sh; then $cat <&4 dflt='' : Half the following guesses are probably wrong... If you have better : tests or hints, please send them to lwall@netlabs.com : The metaconfig authors would also appreciate a copy... $test -f /irix && osname=irix $test -f /xenix && osname=sco_xenix $test -f /dynix && osname=dynix $test -f /dnix && osname=dnix $test -f /unicos && osname=unicos && osvers=`$uname -r` $test -f /bin/mips && /bin/mips && osname=mips $test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \ $sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4 $test -d /usr/apollo/bin && osname=apollo $test -f /etc/saf/_sactab && osname=svr4 $test -d /usr/include/minix && osname=minix $test -d /MachTen && osname=machten && \ osvers=`/usr/etc/version | $awk '{print $2}' | \ $sed -e 's/[A-Za-z]$//'` if $test -f $uname; then set X $myuname shift case "$5" in fps*) osname=fps ;; mips*) case "$4" in umips) osname=umips ;; *) osname=mips ;; esac;; [23]100) osname=mips ;; next*) osname=next ;; news*) osname=news ;; i386*) if $test -f /etc/kconfig; then osname=isc if test "$lns" = "ln -s"; then osvers=4 elif $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then osvers=3 elif $contains _POSIX_SOURCE /usr/include/stdio.h > /dev/null 2>&1 ; then osvers=2 fi fi ;; esac case "$1" in aix) osname=aix tmp=`( (oslevel) 2>/dev/null || echo "not found") 2>&1` case "$tmp" in 'not found') osvers="$4"."$3" ;; '<3240'|'<>3240') osvers=3.2.0 ;; '=3240'|'>3240'|'<3250'|'<>3250') osvers=3.2.4 ;; '=3250'|'>3250') osvers=3.2.5 ;; *) osvers=$tmp;; esac ;; dnix) osname=dnix osvers="$3" ;; domainos) osname=apollo osvers="$3" ;; dgux) osname=dgux osvers="$3" ;; freebsd) osname=freebsd osvers="$3" ;; genix) osname=genix ;; hp*) osname=hpux case "$3" in *.08.*) osvers=9 ;; *.09.*) osvers=9 ;; *.10.*) osvers=10 ;; *) osvers="$3" ;; esac ;; irix) osname=irix case "$3" in 4*) osvers=4 ;; 5*) osvers=5 ;; *) osvers="$3" ;; esac ;; linux) osname=linux case "$3" in 1*) osvers=1 ;; *) osvers="$3" ;; esac ;; netbsd*) osname=netbsd osvers="$3" ;; bsd386) osname=bsd386 osvers=`$uname -r` ;; next*) osname=next ;; solaris) osname=solaris case "$3" in 5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;; *) osvers="$3" ;; esac ;; sunos) osname=sunos case "$3" in 5*) osname=solaris osvers=`echo $3 | $sed 's/^5/2/g'` ;; *) osvers="$3" ;; esac ;; titanos) osname=titanos case "$3" in 1*) osvers=1 ;; 2*) osvers=2 ;; 3*) osvers=3 ;; 4*) osvers=4 ;; *) osvers="$3" ;; esac ;; ultrix) osname=ultrix osvers="$3" ;; osf1) case "$5" in alpha) osname=dec_osf osvers=`echo "$3" | sed 's/^[vt]//'` ;; hp*) osname=hp_osf1 ;; mips) osname=mips_osf1 ;; esac ;; uts) osname=uts osvers="$3" ;; $2) case "$osname" in *isc*) ;; *freebsd*) ;; svr*) : svr4.x or possibly later case "svr$3" in ${osname}*) osname=svr$3 osvers=$4 ;; esac case "$osname" in svr4.0) : Check for ESIX if test -f /stand/boot ; then eval `grep '^INITPROG=[a-z/0-9]*$' /stand/boot` if test -n "$INITPROG" -a -f "$INITPROG"; then isesix=`strings -a $INITPROG|grep 'ESIX SYSTEM V/386 Release 4.0'` if test -n "$isesix"; then osname=esix4 fi fi fi ;; esac ;; *) if test -f /etc/systemid; then osname=sco set `echo $3 | $sed 's/\./ /g'` $4 if $test -f sco_$1_$2_$3.sh; then osvers=$1.$2.$3 elif $test -f sco_$1_$2.sh; then osvers=$1.$2 elif $test -f sco_$1.sh; then osvers=$1 fi else case "$osname" in '') : Still unknown. Probably a generic Sys V. osname="sysv" osvers="$3" ;; esac fi ;; esac ;; *) case "$osname" in '') : Still unknown. Probably a generic BSD. osname="$1" osvers="$3" ;; esac ;; esac else if test -f /vmunix -a -f news_os.sh; then (what /vmunix | ../UU/tr '[A-Z]' '[a-z]') > ../UU/kernel.what 2>&1 if $contains news-os ../UU/kernel.what >/dev/null 2>&1; then osname=news_os fi $rm -f ../UU/kernel.what fi fi : Now look for a hint file osname_osvers, unless one has been : specified already. case "$hintfile" in ''|' ') file=`echo "${osname}_${osvers}" | $sed -e 's@\.@_@g' -e 's@_$@@'` : Also try without trailing minor version numbers. xfile=`echo $file | $sed -e 's@_[^_]*$@@'` xxfile=`echo $xfile | $sed -e 's@_[^_]*$@@'` xxxfile=`echo $xxfile | $sed -e 's@_[^_]*$@@'` xxxxfile=`echo $xxxfile | $sed -e 's@_[^_]*$@@'` case "$file" in '') dflt=none ;; *) case "$osvers" in '') dflt=$file ;; *) if $test -f $file.sh ; then dflt=$file elif $test -f $xfile.sh ; then dflt=$xfile elif $test -f $xxfile.sh ; then dflt=$xxfile elif $test -f $xxxfile.sh ; then dflt=$xxxfile elif $test -f $xxxxfile.sh ; then dflt=$xxxxfile elif $test -f "${osname}.sh" ; then dflt="${osname}" else dflt=none fi ;; esac ;; esac ;; *) dflt=`echo $hintfile | $sed 's/\.sh$//'` ;; esac $cat <> ../UU/config.sh elif $test X$tans = X -o X$tans = Xnone ; then : nothing else : Give one chance to correct a possible typo. echo "$file.sh does not exist" dflt=$file rp="hint to use instead?" . ../UU/myread for file in $ans; do if $test -f "$file.sh"; then . ./$file.sh $cat $file.sh >> ../UU/config.sh elif $test X$ans = X -o X$ans = Xnone ; then : nothing else echo "$file.sh does not exist -- ignored." fi done fi done hint=recommended : Remember our hint file for later. if $test -f "$file.sh" ; then hintfile="$file" else hintfile='' fi cd .. fi cd UU ;; *) echo " " echo "Fetching default answers from $config_sh..." >&4 tmp_n="$n" tmp_c="$c" cd .. cp $config_sh config.sh 2>/dev/null . ./config.sh cd UU cp ../config.sh . n="$tmp_n" c="$tmp_c" hint=previous ;; esac test "$override" && . ./optdef.sh myuname="$newmyuname" : Restore computed paths for file in $loclist $trylist; do eval $file="\$_$file" done cat << EOM Configure uses the operating system name and version to set some defaults. The default value is probably right if the name rings a bell. Otherwise, since spelling matters for me, either accept the default or answer "none" to leave it blank. EOM case "$osname" in ''|' ') case "$hintfile" in ''|' '|none) dflt=none ;; *) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/_.*$//'` ;; esac ;; *) dflt="$osname" ;; esac rp="Operating system name?" . ./myread case "$ans" in none) osname='' ;; *) osname=`echo "$ans" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;; esac : who configured the system cf_time=`$date 2>&1` (logname > .temp) >/dev/null 2>&1 $test -s .temp || (whoami > .temp) >/dev/null 2>&1 $test -s .temp || echo unknown > .temp cf_by=`$cat .temp` $rm -f .temp : determine where manual pages are on this system echo " " case "$sysman" in '') syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1' syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1" syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1" syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1" syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1" sysman=`./loc . /usr/man/man1 $syspath` ;; esac if $test -d "$sysman"; then echo "System manual is in $sysman." >&4 else echo "Could not find manual pages in source form." >&4 fi : see what memory models we can support case "$models" in '') $cat >pdp11.c <<'EOP' main() { #ifdef pdp11 exit(0); #else exit(1); #endif } EOP cc -o pdp11 pdp11.c >/dev/null 2>&1 if ./pdp11 2>/dev/null; then dflt='unsplit split' else tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge` case "$tans" in X) dflt='none';; *) if $test -d /lib/small || $test -d /usr/lib/small; then dflt='small' else dflt='' fi if $test -d /lib/medium || $test -d /usr/lib/medium; then dflt="$dflt medium" fi if $test -d /lib/large || $test -d /usr/lib/large; then dflt="$dflt large" fi if $test -d /lib/huge || $test -d /usr/lib/huge; then dflt="$dflt huge" fi esac fi;; *) dflt="$models";; esac $cat </dev/null 2>&1 || \ $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then dflt='-i' else dflt='none' fi;; *) dflt="$split";; esac rp="What flag indicates separate I and D space?" . ./myread tans="$ans" case "$tans" in none) tans='';; esac split="$tans" unsplit='';; *large*|*small*|*medium*|*huge*) case "$models" in *large*) case "$large" in '') dflt='-Ml';; *) dflt="$large";; esac rp="What flag indicates large model?" . ./myread tans="$ans" case "$tans" in none) tans=''; esac large="$tans";; *) large='';; esac case "$models" in *huge*) case "$huge" in '') dflt='-Mh';; *) dflt="$huge";; esac rp="What flag indicates huge model?" . ./myread tans="$ans" case "$tans" in none) tans=''; esac huge="$tans";; *) huge="$large";; esac case "$models" in *medium*) case "$medium" in '') dflt='-Mm';; *) dflt="$medium";; esac rp="What flag indicates medium model?" . ./myread tans="$ans" case "$tans" in none) tans=''; esac medium="$tans";; *) medium="$large";; esac case "$models" in *small*) case "$small" in '') dflt='none';; *) dflt="$small";; esac rp="What flag indicates small model?" . ./myread tans="$ans" case "$tans" in none) tans=''; esac small="$tans";; *) small='';; esac ;; *) echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4 ;; esac : make some quick guesses about what we are up against echo " " $echo $n "Hmm... $c" echo exit 1 >bsd echo exit 1 >usg echo exit 1 >v7 echo exit 1 >osf1 echo exit 1 >eunice echo exit 1 >xenix echo exit 1 >venix d_bsd="$undef" $cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1 then echo "Looks kind of like an OSF/1 system, but we'll see..." echo exit 0 >osf1 elif test `echo abc | tr a-z A-Z` = Abc ; then xxx=`./loc addbib blurfl $pth` if $test -f $xxx; then echo "Looks kind of like a USG system with BSD features, but we'll see..." echo exit 0 >bsd echo exit 0 >usg else if $contains SIGTSTP foo >/dev/null 2>&1 ; then echo "Looks kind of like an extended USG system, but we'll see..." else echo "Looks kind of like a USG system, but we'll see..." fi echo exit 0 >usg fi elif $contains SIGTSTP foo >/dev/null 2>&1 ; then echo "Looks kind of like a BSD system, but we'll see..." d_bsd="$define" echo exit 0 >bsd else echo "Looks kind of like a Version 7 system, but we'll see..." echo exit 0 >v7 fi case "$eunicefix" in *unixtovms*) $cat <<'EOI' There is, however, a strange, musty smell in the air that reminds me of something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit. EOI echo exit 0 >eunice d_eunice="$define" : it so happens the Eunice I know will not run shell scripts in Unix format ;; *) echo " " echo "Congratulations. You aren't running Eunice." d_eunice="$undef" ;; esac if test -f /xenix; then echo "Actually, this looks more like a XENIX system..." echo exit 0 >xenix d_xenix="$define" else echo " " echo "It's not Xenix..." d_xenix="$undef" fi chmod +x xenix $eunicefix xenix if test -f /venix; then echo "Actually, this looks more like a VENIX system..." echo exit 0 >venix else echo " " if ./xenix; then : null else echo "Nor is it Venix..." fi fi chmod +x bsd usg v7 osf1 eunice xenix venix $eunicefix bsd usg v7 osf1 eunice xenix venix $rm -f foo : see if we need a special compiler echo " " if ./usg; then case "$cc" in '') case "$Mcc" in /*) dflt='Mcc';; *) case "$large" in -M*) dflt='cc';; *) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then dflt='cc' else dflt='cc -M' fi else dflt='cc' fi;; esac;; esac;; *) dflt="$cc";; esac $cat <<'EOM' On some systems the default C compiler will not resolve multiple global references that happen to have the same name. On some such systems the "Mcc" command may be used to force these to be resolved. On other systems a "cc -M" command is required. (Note that the -M flag on other systems indicates a memory model to use!) If you have the Gnu C compiler, you might wish to use that instead. EOM rp="What command will force resolution on this system?" . ./myread cc="$ans" else case "$cc" in '') dflt=cc;; *) dflt="$cc";; esac rp="Use which C compiler?" . ./myread cc="$ans" fi echo " " echo "Checking for GNU cc in disguise and/or its version number..." >&4 $cat >gccvers.c < int main() { #ifdef __GNUC__ #ifdef __VERSION__ printf("%s\n", __VERSION__); #else printf("%s\n", "1"); #endif #endif exit(0); } EOM if $cc -o gccvers gccvers.c >/dev/null 2>&1; then gccversion=`./gccvers` case "$gccversion" in '') echo "You are not using GNU cc." ;; *) echo "You are using GNU cc $gccversion." ;; esac else echo "I can't compile the test program -- Assuming it isn't GNU cc." fi $rm -f gccvers* case "$gccversion" in 1*) cpp=`./loc gcc-cpp $cpp $pth` ;; esac : decide how portable to be case "$d_portable" in "$define") dflt=y;; *) dflt=n;; esac $cat <<'EOH' I can set things up so that your shell scripts and binaries are more portable, at what may be a noticable cost in performance. In particular, if you ask to be portable, the following happens: 1) Shell scripts will rely on the PATH variable rather than using the paths derived above. 2) ~username interpretations will be done at run time rather than by Configure. EOH rp="Do you expect to run these scripts and binaries on multiple machines?" . ./myread case "$ans" in y*) d_portable="$define" ;; *) d_portable="$undef" ;; esac : set up shell script to do ~ expansion cat >filexp <&2 exit 1 fi case "\$1" in */*) echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\` ;; *) echo \$dir ;; esac fi ;; *) echo \$1 ;; esac EOSS chmod +x filexp $eunicefix filexp : now set up to get a file name cat <<'EOSC' >getfile tilde='' fullpath='' already='' skip='' none_ok='' exp_file='' nopath_ok='' orig_rp="$rp" orig_dflt="$dflt" case "$fn" in *\(*) expr $fn : '.*(\(.*\)).*' | tr ',' '\012' >getfile.ok fn=`echo $fn | sed 's/(.*)//'` ;; esac case "$fn" in *:*) loc_file=`expr $fn : '.*:\(.*\)'` fn=`expr $fn : '\(.*\):.*'` ;; esac case "$fn" in *~*) tilde=true;; esac case "$fn" in */*) fullpath=true;; esac case "$fn" in *+*) skip=true;; esac case "$fn" in *n*) none_ok=true;; esac case "$fn" in *e*) exp_file=true;; esac case "$fn" in *p*) nopath_ok=true;; esac case "$fn" in *f*) type='File';; *d*) type='Directory';; *l*) type='Locate';; esac what="$type" case "$what" in Locate) what='File';; esac case "$exp_file" in '') case "$d_portable" in "$define") ;; *) exp_file=true;; esac ;; esac cd .. while test "$type"; do redo='' rp="$orig_rp" dflt="$orig_dflt" case "$tilde" in true) rp="$rp (~name ok)";; esac . UU/myread if test -f UU/getfile.ok && \ $contains "^$ans\$" UU/getfile.ok >/dev/null 2>&1 then value="$ans" ansexp="$ans" break fi case "$ans" in none) value='' ansexp='' case "$none_ok" in true) type='';; esac ;; *) case "$tilde" in '') value="$ans" ansexp="$ans";; *) value=`UU/filexp $ans` case $? in 0) if test "$ans" != "$value"; then echo "(That expands to $value on this system.)" fi ;; *) value="$ans";; esac ansexp="$value" case "$exp_file" in '') value="$ans";; esac ;; esac case "$fullpath" in true) case "$ansexp" in /*) value="$ansexp" ;; *) redo=true case "$already" in true) echo "I shall only accept a full path name, as in /bin/ls." >&4 echo "Use a ! shell escape if you wish to check pathnames." >&4 ;; *) echo "Please give a full path name, starting with slash." >&4 case "$tilde" in true) echo "Note that using ~name is ok provided it expands well." >&4 already=true ;; esac esac ;; esac ;; esac case "$redo" in '') case "$type" in File) if test -f "$ansexp"; then type='' elif test -r "$ansexp" || (test -h "$ansexp") >/dev/null 2>&1 then echo "($value is not a plain file, but that's ok.)" type='' fi ;; Directory) if test -d "$ansexp"; then type='' fi ;; Locate) if test -d "$ansexp"; then echo "(Looking for $loc_file in directory $value.)" value="$value/$loc_file" ansexp="$ansexp/$loc_file" fi if test -f "$ansexp"; then type='' fi case "$nopath_ok" in true) case "$value" in */*) ;; *) echo "Assuming $value will be in people's path." type='' ;; esac ;; esac ;; esac case "$skip" in true) type=''; esac case "$type" in '') ;; *) if test "$fastread" = yes; then dflt=y else dflt=n fi rp="$what $value doesn't exist. Use that name anyway?" . UU/myread dflt='' case "$ans" in y*) type='';; *) echo " ";; esac ;; esac ;; esac ;; esac done cd UU ans="$value" rp="$orig_rp" dflt="$orig_dflt" rm -f getfile.ok EOSC : What should the include directory be ? echo " " $echo $n "Hmm... $c" dflt='/usr/include' incpath='' mips_type='' if $test -f /bin/mips && /bin/mips; then echo "Looks like a MIPS system..." $cat >usr.c <<'EOCP' #ifdef SYSTYPE_BSD43 /bsd43 #endif EOCP if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then dflt='/bsd43/usr/include' incpath='/bsd43' mips_type='BSD 4.3' else mips_type='System V' fi $rm -f usr.c usr.out echo "and you're compiling with the $mips_type compiler and libraries." echo "exit 0" >mips else echo "Doesn't look like a MIPS system." echo "exit 1" >mips fi chmod +x mips $eunicefix mips echo " " case "$usrinc" in '') ;; *) dflt="$usrinc";; esac fn=d/ rp='Where are the include files you want to use?' . ./getfile usrinc="$ans" : see how we invoke the C preprocessor echo " " echo "Now, how can we feed standard input to your C preprocessor..." >&4 cat <<'EOT' >testcpp.c #define ABC abc #define XYZ xyz ABC.XYZ EOT cd .. echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin chmod 755 cppstdin wrapper=`pwd`/cppstdin ok='false' cd UU if $test "X$cppstdin" != "X" && \ $cppstdin $cppminus testcpp.out 2>&1 && \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 then echo "You used to use $cppstdin $cppminus so we'll use that again." case "$cpprun" in '') echo "But let's see if we can live without a wrapper..." ;; *) if $cpprun $cpplast testcpp.out 2>&1 && \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 then echo "(And we'll use $cpprun $cpplast to preprocess directly.)" ok='true' else echo "(However, $cpprun $cpplast does not work, let's see...)" fi ;; esac else case "$cppstdin" in '') ;; *) echo "Good old $cppstdin $cppminus does not seem to be of any help..." ;; esac fi if $ok; then : nothing elif echo 'Maybe "'"$cc"' -E" will work...'; \ $cc -E testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "Yup, it does." x_cpp="$cc -E" x_minus=''; elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \ $cc -E - testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "Yup, it does." x_cpp="$cc -E" x_minus='-'; elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \ $cc -P testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "Yipee, that works!" x_cpp="$cc -P" x_minus=''; elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \ $cc -P - testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "At long last!" x_cpp="$cc -P" x_minus='-'; elif echo 'No such luck, maybe "'$cpp'" will work...'; \ $cpp testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "It works!" x_cpp="$cpp" x_minus=''; elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \ $cpp - testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "Hooray, it works! I was beginning to wonder." x_cpp="$cpp" x_minus='-'; elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \ $wrapper testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then x_cpp="$wrapper" x_minus='' echo "Eureka!" else dflt='' rp="No dice. I can't find a C preprocessor. Name one:" . ./myread x_cpp="$ans" x_minus='' $x_cpp testcpp.out 2>&1 if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then echo "OK, that will do." >&4 else echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4 exit 1 fi fi case "$ok" in false) cppstdin="$x_cpp" cppminus="$x_minus" cpprun="$x_cpp" cpplast="$x_minus" set X $x_cpp shift case "$1" in "$cpp") echo "Perhaps can we force $cc -E using a wrapper..." if $wrapper testcpp.out 2>&1; \ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 then echo "Yup, we can." cppstdin="$wrapper" cppminus=''; else echo "Nope, we'll have to live without it..." fi ;; esac case "$cpprun" in "$wrapper") cpprun='' cpplast='' ;; esac ;; esac case "$cppstdin" in "$wrapper") ;; *) $rm -f $wrapper;; esac $rm -f testcpp.c testcpp.out : determine optimize, if desired, or use for debug flag also case "$optimize" in ' ') dflt='none';; '') dflt='-O';; *) dflt="$optimize";; esac $cat </dev/null 2>&1 then dflt="$dflt -posix" fi ;; esac ;; esac case "$mips_type" in *BSD*) ;; '') ;; *) inclwanted="$inclwanted $usrinc/bsd";; esac for thisincl in $inclwanted; do if $test -d $thisincl; then if $test x$thisincl != x$usrinc; then case "$dflt" in *$thisincl*);; *) dflt="$dflt -I$thisincl";; esac fi fi done inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then xxx=true; elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then xxx=true; else xxx=false; fi; if $xxx; then case "$dflt" in *$2*);; *) dflt="$dflt -D$2";; esac; fi' if ./osf1; then set signal.h __LANGUAGE_C__; eval $inctest else set signal.h LANGUAGE_C; eval $inctest fi set signal.h NO_PROTOTYPE; eval $inctest set signal.h _NO_PROTO; eval $inctest case "$dflt" in '') dflt=none;; esac case "$ccflags" in '') ;; *) dflt="$ccflags";; esac $cat <&4 set X $cppflags shift cppflags='' $cat >cpp.c <<'EOM' #define BLURFL foo BLURFL xx LFRULB EOM previous='' for flag in $* do case "$flag" in -*) ftry="$flag";; *) ftry="$previous $flag";; esac if $cppstdin -DLFRULB=bar $ftry $cppminus cpp1.out 2>/dev/null && \ $cpprun -DLFRULB=bar $ftry $cpplast cpp2.out 2>/dev/null && \ $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \ $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1 then cppflags="$cppflags $ftry" previous='' else previous="$flag" fi done set X $cppflags shift cppflags=${1+"$@"} case "$cppflags" in *-*) echo "They appear to be: $cppflags";; esac $rm -f cpp.c cpp?.out ;; esac : flags used in final linking phase case "$ldflags" in '') if ./venix; then dflt='-i -z' else dflt='' fi case "$ccflags" in *-posix*) dflt="$dflt -posix" ;; esac case "$dflt" in '') dflt='none' ;; esac ;; *) dflt="$ldflags";; esac echo " " rp="Any additional ld flags (NOT including libraries)?" . ./myread case "$ans" in none) ldflags='';; *) ldflags="$ans";; esac rmlist="$rmlist pdp11" : Set private lib path case "$plibpth" in '') if ./mips; then plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib" fi;; esac case "$libpth" in ' ') dlist='';; '') dlist="$plibpth $glibpth";; *) dlist="$libpth";; esac : Now check and see which directories actually exist, avoiding duplicates libpth='' for xxx in $dlist do if $test -d $xxx; then case " $libpth " in *" $xxx "*) ;; *) libpth="$libpth $xxx";; esac fi done $cat <<'EOM' Some systems have incompatible or broken versions of libraries. Among the directories listed in the question below, please remove any you know not to be holding relevant libraries, and add any that are needed. Say "none" for none. EOM case "$libpth" in '') dflt='none';; *) set X $libpth shift dflt=${1+"$@"} ;; esac rp="Directories to use for library searches?" . ./myread case "$ans" in none) libpth=' ';; *) libpth="$ans";; esac : compute shared library extension case "$so" in '') if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then dflt='sl' else dflt='so' fi ;; *) dflt="$so";; esac $cat <&4 case "$libs" in ' '|'') dflt='';; *) dflt="$libs";; esac case "$libswanted" in '') libswanted='c_s';; esac for thislib in $libswanted; do if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then echo "Found -l$thislib (shared)." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then echo "Found -l$thislib (shared)." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then echo "Found -l$thislib." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then echo "Found -l${thislib}_s." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l${thislib}_s";; esac elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then echo "Found -l$thislib." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac else echo "No -l$thislib." fi done set X $dflt shift dflt="$*" case "$libs" in '') dflt="$dflt";; *) dflt="$libs";; esac case "$dflt" in ' '|'') dflt='none';; esac $cat </dev/null` if $test $dflt -gt 20; then dflt=y else dflt=n fi ;; *) case "$usenm" in true) dflt=y;; *) dflt=n;; esac ;; esac $cat </dev/null 2>&1; then echo "Your C library seems to be in $libc, as you said before." elif $test -r $incpath/usr/lib/libc.a; then libc=$incpath/usr/lib/libc.a; echo "Your C library seems to be in $libc. That's fine." elif $test -r /lib/libc.a; then libc=/lib/libc.a; echo "Your C library seems to be in $libc. You're normal." else if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then : elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then libnames="$libnames "`./loc clib blurfl/dyick $libpth` elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then : elif tans=`./loc Slibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then : elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then : else tans=`./loc Llibc.a blurfl/dyick $xlibpth` fi if $test -r "$tans"; then echo "Your C library seems to be in $tans, of all places." libc=$tans else libc='blurfl' fi fi if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then dflt="$libc" cat < libpath cat >&4 < libnames set X `cat libnames` shift xxx=files case $# in 1) xxx=file; esac echo "Extracting names from the following $xxx for later perusal:" >&4 echo " " $sed 's/^/ /' libnames >&4 echo " " $echo $n "This may take a while...$c" >&4 nm $nm_opt $* 2>/dev/null >libc.tmp $echo $n ".$c" $grep fprintf libc.tmp > libc.ptf xscan='eval "libc.list"; $echo $n ".$c" >&4' xrun='eval "libc.list"; echo "done" >&4' if com="$sed -n -e 's/__IO//' -e 's/^.* [ADTSI] *_[_.]*//p' -e 's/^.* [ADTSI] //p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \ -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\ eval $xscan;\ $contains '^fprintf$' libc.list >/dev/null 2>&1; then eval $xrun else nm -p $* 2>/dev/null >libc.tmp com="$sed -n -e 's/^.* [ADTSI] *_[_.]*//p' -e 's/^.* [ADTSI] //p'";\ eval "libc.list" if $contains '^fprintf$' libc.list >/dev/null 2>&1; then nm_opt='-p' echo "done" >&4 else echo " " echo "nm didn't seem to work right. Trying ar instead..." >&4 com='' if ar t $libc > libc.tmp; then for thisname in $libnames; do ar t $thisname >>libc.tmp done $sed -e 's/\.o$//' < libc.tmp > libc.list echo "Ok." >&4 else echo "ar didn't seem to work right." >&4 echo "Maybe this is a Cray...trying bld instead..." >&4 if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list; then for thisname in $libnames; do bld t $libnames | \ $sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list ar t $thisname >>libc.tmp done echo "Ok." >&4 else echo "That didn't work either. Giving up." >&4 exit 1 fi fi fi fi nm_extract="$com" if $test -f /lib/syscalls.exp; then echo " " echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4 $sed -n 's/^\([^ ]*\)[ ]*syscall$/\1/p' /lib/syscalls.exp >>libc.list fi ;; esac $rm -f libnames libpath : is a C symbol defined? csym='tlook=$1; case "$3" in -v) tf=libc.tmp; tc=""; tdc="";; -a) tf=libc.tmp; tc="[0]"; tdc=[];; *) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";; esac; tx=yes; case "$reuseval-$4" in true-) ;; true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;; esac; case "$tx" in yes) case "$runnm" in true) if $contains $tlook $tf >/dev/null 2>&1; then tval=true; else tval=false; fi;; *) echo "main() { extern int $1$tdc; printf(\"%d\", $1$tc); }" > t.c; if $cc $ccflags -o t t.c $ldflags $libs >/dev/null 2>&1; then tval=true; else tval=false; fi; $rm -f t t.c;; esac;; *) case "$tval" in $define) tval=true;; *) tval=false;; esac;; esac; eval "$2=$tval"' : set up the script used to warn in case of inconsistency cat <<'EOSC' >whoa dflt=y echo " " echo "*** WHOA THERE!!! ***" >&4 echo " The $hint value for \$$var on this machine was \"$was\"!" >&4 rp=" Keep the $hint value?" . ./myread case "$ans" in y) td=$was; tu=$was;; esac EOSC : define an is-in-libc? function inlibc='echo " "; td=$define; tu=$undef; sym=$1; var=$2; eval "was=\$$2"; tx=yes; case "$reuseval$was" in true) ;; true*) tx=no;; esac; case "$tx" in yes) set $sym tres -f; eval $csym; case "$tres" in true) echo "$sym() found." >&4; case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";; *) echo "$sym() NOT found." >&4; case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";; esac;; *) case "$was" in $define) echo "$sym() found." >&4;; *) echo "$sym() NOT found." >&4;; esac;; esac' : see if gconvert exists set gconvert d_gconvert eval $inlibc case "$d_gconvert" in $define) echo "We'll use it to convert floats into a string then." >&4 d_Gconvert="gconvert((x),(n),(t),(b))" ;; *) : Maybe we can emulate it with gcvt. set gcvt d_gcvt eval $inlibc case "$d_gcvt" in $define) : Test whether gcvt drops a trailing decimal point $cat >try.c <<'EOP' main() { char buf[64]; gcvt(1.0, 8, buf); if (buf[0] != '1' || buf[1] != '\0') exit(1); gcvt(0.0, 8, buf); if (buf[0] != '0' || buf[1] != '\0') exit(1); gcvt(-1.0, 8, buf); if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0') exit(1); exit(0); } EOP if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then if ./try; then echo "Good, your gcvt() drops a trailing decimal point." echo "We'll use it to convert floats into a string." >&4 d_Gconvert="gcvt((x),(n),(b))" else echo "But your gcvt() keeps a trailing decimal point". d_Gconvert='' fi else echo "Hmm. I can't compile the gcvt test program." d_Gconvert='' fi $rm -f try.c try ;; esac case "$d_Gconvert" in '') echo "I'll use sprintf instead to convert floats into a string." >&4 d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;; esac esac : Initialize h_fcntl h_fcntl=false : Initialize h_sysfile h_sysfile=false : determine filename position in cpp output echo " " echo "Computing filename position in cpp output for #include directives..." >&4 echo '#include ' > foo.c $cat >fieldn </dev/null | \ $grep '^[ ]*#.*stdio\.h' | \ while read cline; do pos=1 set \$cline while $test \$# -gt 0; do if $test -r \`echo \$1 | $tr -d '"'\`; then echo "\$pos" exit 0 fi shift pos=\`expr \$pos + 1\` done done EOF chmod +x fieldn fieldn=`./fieldn` $rm -f foo.c fieldn case $fieldn in '') pos='???';; 1) pos=first;; 2) pos=second;; 3) pos=third;; *) pos="${fieldn}th";; esac echo "Your cpp writes the filename in the $pos field of the line." : locate header file $cat >findhdr <" > foo\$\$.c $cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \ $grep "^[ ]*#.*\$wanted" | \ while read cline; do name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\` case "\$name" in */\$wanted) echo "\$name"; exit 0;; *) name='';; esac; done; $rm -f foo\$\$.c; case "\$name" in '') exit 1;; esac EOF chmod +x findhdr : access call always available on UNIX set access d_access eval $inlibc : locate the flags for 'access()' case "$d_access" in "$define") echo " " $cat >access.c <<'EOCP' #include #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif #ifdef I_UNISTD #include #endif main() { exit(R_OK); } EOCP : check sys/file.h first, no particular reason here if $test `./findhdr sys/file.h` && \ $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then h_sysfile=true; echo " defines the *_OK access constants." >&4 elif $test `./findhdr fcntl.h` && \ $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then h_fcntl=true; echo " defines the *_OK access constants." >&4 elif $test `./findhdr unistd.h` && \ $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then echo " defines the *_OK access constants." >&4 else echo "I can't find the four *_OK access constants--I'll use mine." >&4 fi ;; esac $rm -f access* : see if alarm exists set alarm d_alarm eval $inlibc : determine the architecture name echo " " if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then tarch=`arch`"-$osname" elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then if uname -m > tmparch 2>&1 ; then tarch=`$sed -e 's/ /_/g' -e 's/$/'"-$osname/" tmparch` else tarch="$osname" fi $rm -f tmparch else tarch="$osname" fi case "$myarchname" in ''|"$tarch") ;; *) echo "(Your architecture name used to be $myarchname.)" archname='' ;; esac case "$archname" in '') dflt="$tarch";; *) dflt="$archname";; esac rp='What is your architecture name' . ./myread archname="$ans" myarchname="$tarch" : is AFS running? echo " " if test -d /afs; then echo "AFS may be running... I'll be extra cautious then..." >&4 afs=true else echo "AFS does not seem to be running..." >&4 afs=false fi : determine root of directory hierarchy where package will be installed. case "$prefix" in '') dflt=`./loc . /usr/local /usr/local /local /opt /usr` ;; *) dflt="$prefix" ;; esac $cat <&4 $cat >attrib.c <<'EOCP' #include void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn)); EOCP if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then if $contains 'warning' attrib.out >/dev/null 2>&1; then echo "Your C compiler doesn't fully support __attribute__." val="$undef" else echo "Your C compiler supports __attribute__." val="$define" fi else echo "Your C compiler doesn't seem to understand __attribute__ at all." val="$undef" fi set d_attribut eval $setvar $rm -f attrib* : see if bcmp exists set bcmp d_bcmp eval $inlibc : see if bcopy exists set bcopy d_bcopy eval $inlibc : see if setpgrp exists set setpgrp d_setpgrp eval $inlibc : see which flavor of setpgrp is in use case "$d_setpgrp" in "$define") echo " " $cat >set.c </dev/null 2>&1; then ./set 2>/dev/null case $? in 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4 val="$undef";; *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4 val="$define";; esac else if ./usg; then xxx="USG one, i.e. you use setpgrp()." val="$undef" else xxx="BSD one, i.e. you use setpgrp(pid, pgrp)." val="$define" fi echo "Assuming your setpgrp is a $xxx" >&4 fi ;; *) val="$undef";; esac set d_bsdpgrp eval $setvar $rm -f set set.c : Check if we really have byacc case "$byacc" in ''|'byacc') val="$undef" ;; *) val="$define" ;; esac set d_byacc eval $setvar : see if bzero exists set bzero d_bzero eval $inlibc : check for length of integer echo " " case "$intsize" in '') echo "Checking to see how big your integers are..." >&4 $cat >try.c <<'EOCP' #include main() { printf("%d\n", sizeof(int)); } EOCP if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then dflt=`./try` else dflt='4' echo "(I can't seem to compile the test program. Guessing...)" fi ;; *) dflt="$intsize" ;; esac rp="What is the size of an integer (in bytes)?" . ./myread intsize="$ans" $rm -f try.c try : see if signal is declared as pointer to function returning int or void echo " " xxx=`./findhdr signal.h` $test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have void (*signal())() instead of int." >&4 val="$define" elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" else case "$d_voidsig" in '') echo "I can't determine whether signal handler returns void or int..." >&4 dflt=void rp="What type does your signal handler return?" . ./myread case "$ans" in v*) val="$define";; *) val="$undef";; esac;; "$define") echo "As you already told me, signal handler returns void." >&4;; *) echo "As you already told me, signal handler returns int." >&4;; esac fi set d_voidsig eval $setvar case "$d_voidsig" in "$define") signal_t="void";; *) signal_t="int";; esac $rm -f $$.tmp : check for ability to cast large floats to 32-bit ints. echo " " echo 'Checking whether your C compiler can cast large floats to int32.' >&4 if $test "$intsize" -eq 4; then xxx=int else xxx=long fi $cat >try.c < #include $signal_t blech() { exit(3); } main() { $xxx i32; double f; int result = 0; signal(SIGFPE, blech); f = (double) 0x7fffffff; f = 10 * f; i32 = ($xxx) f; if (i32 != ($xxx) f) result |= 1; exit(result); } EOCP if $cc -o try $ccflags try.c >/dev/null 2>&1; then ./try yyy=$? else echo "(I can't seem to compile the test program--assuming it can't)" yyy=1 fi case "$yyy" in 0) val="$define" echo "Yup, it can." ;; *) val="$undef" echo "Nope, it can't." ;; esac set d_casti32 eval $setvar $rm -f try try.* : check for ability to cast negative floats to unsigned echo " " echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4 $cat >try.c < #include $signal_t blech() { exit(3); } main() { double f = -123; unsigned long along; unsigned int aint; unsigned short ashort; int result = 0; signal(SIGFPE, blech); along = (unsigned long)f; aint = (unsigned int)f; ashort = (unsigned short)f; if (along != (unsigned long)-123) result |= 1; if (aint != (unsigned int)-123) result |= 1; if (ashort != (unsigned short)-123) result |= 1; f = (double)0x40000000; f = f + f; along = 0; along = (unsigned long)f; if (along != 0x80000000) result |= 2; f -= 1.; along = 0; along = (unsigned long)f; if (along != 0x7fffffff) result |= 1; f += 2.; along = 0; along = (unsigned long)f; if (along != 0x80000001) result |= 2; exit(result); } EOCP if $cc -o try $ccflags try.c >/dev/null 2>&1; then ./try castflags=$? else echo "(I can't seem to compile the test program--assuming it can't)" castflags=3 fi case "$castflags" in 0) val="$define" echo "Yup, it can." ;; *) val="$undef" echo "Nope, it can't." ;; esac set d_castneg eval $setvar $rm -f try.* : see if vprintf exists echo " " if set vprintf val -f d_vprintf; eval $csym; $val; then echo 'vprintf() found.' >&4 val="$define" $cat >vprintf.c <<'EOF' #include main() { xxx("foo"); } xxx(va_alist) va_dcl { va_list args; char buf[10]; va_start(args); exit((unsigned long)vsprintf(buf,"%s",args) > 10L); } EOF if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then echo "Your vsprintf() returns (int)." >&4 val2="$undef" else echo "Your vsprintf() returns (char*)." >&4 val2="$define" fi else echo 'vprintf() NOT found.' >&4 val="$undef" val2="$undef" fi set d_vprintf eval $setvar val=$val2 set d_charvspr eval $setvar : see if chown exists set chown d_chown eval $inlibc : see if chroot exists set chroot d_chroot eval $inlibc : see if chsize exists set chsize d_chsize eval $inlibc : check for const keyword echo " " echo 'Checking to see if your C compiler knows about "const"...' >&4 $cat >const.c <<'EOCP' typedef struct spug { int drokk; } spug; main() { const char *foo; const spug y; } EOCP if $cc -c $ccflags const.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it does." else val="$undef" echo "Nope, it doesn't." fi set d_const eval $setvar : see if crypt exists echo " " if set crypt val -f d_crypt; eval $csym; $val; then echo 'crypt() found.' >&4 val="$define" cryptlib='' else cryptlib=`./loc Slibcrypt.a "" $xlibpth` if $test -z "$cryptlib"; then cryptlib=`./loc Mlibcrypt.a "" $xlibpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then cryptlib=`./loc Llibcrypt.a "" $xlibpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then cryptlib=`./loc libcrypt.a "" $libpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then echo 'crypt() NOT found.' >&4 val="$undef" else val="$define" fi fi set d_crypt eval $setvar : get csh whereabouts case "$csh" in 'csh') val="$undef" ;; *) val="$define" ;; esac set d_csh eval $setvar full_csh=$csh : see if cuserid exists set cuserid d_cuserid eval $inlibc : define an alternate in-header-list? function inhdr='echo " "; td=$define; tu=$undef; yyy=$@; cont=true; xxf="echo \"<\$1> found.\" >&4"; case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";; *) xxnf="echo \"<\$1> NOT found, ...\" >&4";; esac; case $# in 4) instead=instead;; *) instead="at last";; esac; while $test "$cont"; do xxx=`./findhdr $1` var=$2; eval "was=\$$2"; if $test "$xxx" && $test -r "$xxx"; then eval $xxf; eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td"; cont=""; else eval $xxnf; eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi; set $yyy; shift; shift; yyy=$@; case $# in 0) cont="";; 2) xxf="echo \"but I found <\$1> $instead.\" >&4"; xxnf="echo \"and I did not find <\$1> either.\" >&4";; *) xxf="echo \"but I found <\$1\> instead.\" >&4"; xxnf="echo \"there is no <\$1>, ...\" >&4";; esac; done; while $test "$yyy"; do set $yyy; var=$2; eval "was=\$$2"; eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; set $yyy; shift; shift; yyy=$@; done' : see if this is a limits.h system set limits.h i_limits eval $inhdr : see if this is a float.h system set float.h i_float eval $inhdr : See if number of significant digits in a double precision number is known echo " " $cat >dbl_dig.c < #endif #ifdef I_FLOAT #include #endif #ifdef DBL_DIG printf("Contains DBL_DIG"); #endif EOM $cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then echo "DBL_DIG found." >&4 val="$define" else echo "DBL_DIG NOT found." >&4 val="$undef" fi $rm -f dbl_dig.? set d_dbl_dig eval $setvar : see if difftime exists set difftime d_difftime eval $inlibc : see if this is a dirent system echo " " if xinc=`./findhdr dirent.h`; $test "$xinc"; then val="$define" echo " found." >&4 else val="$undef" if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then echo " found." >&4 echo " " else xinc=`./findhdr sys/ndir.h` fi echo " NOT found." >&4 fi set i_dirent eval $setvar : Look for type of directory structure. echo " " $cppstdin $cppflags $cppminus < "$xinc" > try.c case "$direntrytype" in ''|' ') case "$i_dirent" in $define) guess1='struct dirent' ;; *) guess1='struct direct' ;; esac ;; *) guess1="$direntrytype" ;; esac case "$guess1" in 'struct dirent') guess2='struct direct' ;; *) guess2='struct dirent' ;; esac if $contains "$guess1" try.c >/dev/null 2>&1; then direntrytype="$guess1" echo "Your directory entries are $direntrytype." >&4 elif $contains "$guess2" try.c >/dev/null 2>&1; then direntrytype="$guess2" echo "Your directory entries seem to be $direntrytype." >&4 else echo "I don't recognize your system's directory entries." >&4 rp="What type is used for directory entries on this system?" dflt="$guess1" . ./myread direntrytype="$ans" fi $rm -f try.c : see if the directory entry stores field length echo " " $cppstdin $cppflags $cppminus < "$xinc" > try.c if $contains 'd_namlen' try.c >/dev/null 2>&1; then echo "Good, your directory entry keeps length information in d_namlen." >&4 val="$define" else echo "Your directory entry does not know about the d_namlen field." >&4 val="$undef" fi set d_dirnamlen eval $setvar $rm -f try.c : see if dlerror exists set dlerror d_dlerror eval $inlibc : see if dld is available set dld.h i_dld eval $inhdr : see if dlopen exists set dlopen d_dlopen eval $inlibc : determine which dynamic loading, if any, to compile in echo " " dldir="ext/DynaLoader" case "$usedl" in $define|y|true) dflt='y' usedl="$define" ;; $undef|n|false) dflt='n' usedl="$undef" ;; *) dflt='n' case "$d_dlopen" in $define) dflt='y' ;; esac case "$i_dld" in $define) dflt='y' ;; esac : Does a dl_xxx.xs file exist for this operating system $test -f ../$dldir/dl_${osname}.xs && dflt='y' ;; esac rp="Do you wish to use dynamic loading?" . ./myread usedl="$ans" case "$ans" in y*) usedl="$define" case "$dlsrc" in '') if $test -f ../$dldir/dl_${osname}.xs ; then dflt="$dldir/dl_${osname}.xs" elif $test "$d_dlopen" = "$define" ; then dflt="$dldir/dl_dlopen.xs" elif $test "$i_dld" = "$define" ; then dflt="$dldir/dl_dld.xs" else dflt='' fi ;; *) dflt="$dldir/$dlsrc" ;; esac echo "The following dynamic loading files are available:" : Can not go over to $dldir because getfile has path hard-coded in. cd ..; ls -C $dldir/dl*.xs; cd UU rp="Source file to use for dynamic loading" fn="fne" . ./getfile usedl="$define" : emulate basename dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'` $cat << EOM Some systems may require passing special flags to $cc -c to compile modules that will be used to create a shared library. To use no flags, say "none". EOM case "$cccdlflags" in ''|' ') case "$cc" in *gcc*) dflt='-fpic' ;; *) case "$osname" in hpux) dflt='+z' ;; next) dflt='none' ;; solaris) dflt='-K pic' ;; sunos) dflt='-pic' ;; svr4*|esix*) dflt='-Kpic' ;; *) dflt='none' ;; esac ;; esac ;; *) dflt="$cccdlflags" ;; esac rp="Any special flags to pass to $cc -c to compile shared library modules?" . ./myread case "$ans" in none) cccdlflags='' ;; *) cccdlflags="$ans" ;; esac cat << 'EOM' Some systems may require passing special flags to ld to create a library that can be dynamically loaded. If your ld flags include -L/other/path options to locate libraries outside your loader's normal search path, you may need to specify those -L options here as well. To use no flags, say "none". EOM case "$lddlflags" in ''|' ') case "$osname" in hpux) dflt='-b' ;; next) dflt='none' ;; solaris) dflt='-G' ;; sunos) dflt='-assert nodefinitions' ;; svr4*|esix*) dflt="-G $ldflags" ;; *) dflt='none' ;; esac ;; *) dflt="$lddlflags" ;; esac rp="Any special flags to pass to ld to create a dynamically loaded library?" . ./myread case "$ans" in none) lddlflags='' ;; *) lddlflags="$ans" ;; esac cat <&4 Be sure to add the perl source directory to the LD_LIBRARY_PATH environment variable before running make: LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH or setenv LD_LIBRARY_PATH `cd ..;pwd` EOM ;; esac case "$d_shrplib" in $define) case "$shrpdir" in "") dflt="$archlib/CORE";; *) dflt="$shrpdir";; esac rp="What directory should we install the shared libperl into?" fn="d~" . ./getfile shrpdir="$ans" ;; *) shrpdir='none' ;; esac : see if dlfcn is available set dlfcn.h i_dlfcn eval $inhdr case "$usedl" in $define|y|true) $cat << EOM On a few systems, the dynamically loaded modules that perl generates and uses will need a different extension then shared libs. The default will probably be appropriate. EOM case "$dlext" in '') dflt="$so" ;; *) dflt="$dlext" ;; esac rp='What is the extension of dynamically loaded modules' . ./myread dlext="$ans" ;; *) dlext="none" ;; esac : Check if dlsym need a leading underscore echo " " val="$undef" case "$dlsrc" in dl_dlopen.xs) echo "Checking whether your dlsym() needs a leading underscore ..." >&4 $cat >dyna.c <<'EOM' fred () { } EOM $cat >fred.c< #$i_dlfcn I_DLFCN #ifdef I_DLFCN #include /* the dynamic linker include file for Sunos/Solaris */ #else #include #include #include #endif extern int fred() ; main() { void * handle ; void * symbol ; #ifndef RTLD_LAZY int mode = 1 ; #else int mode = RTLD_LAZY ; #endif handle = dlopen("./dyna.$dlext", mode) ; if (handle == NULL) { printf ("1\n") ; exit(0); } symbol = dlsym(handle, "fred") ; if (symbol == NULL) { /* try putting a leading underscore */ symbol = dlsym(handle, "_fred") ; if (symbol == NULL) { printf ("2\n") ; exit(0); } printf ("3\n") ; } else printf ("4\n") ; exit(0); } EOM if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 && ld $lddlflags -o dyna.$dlext dyna.o > /dev/null 2>&1 && $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then xxx=`./fred` case $xxx in 1) echo "Test program failed using dlopen." >&4 echo "Perhaps you should not use dynamic loading." >&4;; 2) echo "Test program failed using dlsym." >&4 echo "Perhaps you should not use dynamic loading." >&4;; 3) echo "dlsym needs a leading underscore" >&4 val="$define" ;; 4) echo "dlsym doesn't need a leading underscore." >&4;; esac else echo "I can't compile and run the test program." >&4 fi ;; esac $rm -f fred fred.? dyna.$dlext dyna.? set d_dlsymun eval $setvar : see if setuid scripts can be secure $cat <reflect chmod +x,u+s reflect ./reflect >flect 2>&1 if $contains "/dev/fd" flect >/dev/null; then echo "Congratulations, your kernel has secure setuid scripts!" >&4 val="$define" else $cat <&4 dflt=n;; "$undef") echo "Well, the $hint value is *not* secure." >&4 dflt=n;; *) echo "Well, the $hint value *is* secure." >&4 dflt=y;; esac ;; *) $rm -f reflect flect echo "#!$ls" >reflect chmod +x,u+s reflect echo >flect chmod a+w flect echo '"su" will (probably) prompt you for '"$ans's password." su $ans -c './reflect >flect' if $contains "/dev/fd" flect >/dev/null; then echo "Okay, it looks like setuid scripts are secure." >&4 dflt=y else echo "I don't think setuid scripts are secure." >&4 dflt=n fi ;; esac rp='Does your kernel have *secure* setuid scripts?' . ./myread case "$ans" in [yY]*) val="$define";; *) val="$undef";; esac fi else echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4 val="$undef" fi set d_suidsafe eval $setvar $rm -f reflect flect : now see if they want to do setuid emulation echo " " val="$undef" case "$d_suidsafe" in "$define") val="$undef" echo "No need to emulate SUID scripts since they are secure here." >& 4 ;; *) $cat <$first) 2>/dev/null; then if $test -f 123456789abcde; then echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4 val="$undef" else if (echo hi >$second) 2>/dev/null; then if $test -f /tmp/cf$$/123456789abcde; then $cat <<'EOM' That's peculiar... You can have filenames longer than 14 characters, but only on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems I shall consider your system cannot support long filenames at all. EOM val="$undef" else echo 'You can have filenames longer than 14 characters.' >&4 val="$define" fi else $cat <<'EOM' How confusing! Some of your filesystems are sane enough to allow filenames longer than 14 characters but some others like /tmp can't even think about them. So, for now on, I shall assume your kernel does not allow them at all. EOM val="$undef" fi fi else $cat <<'EOM' You can't have filenames longer than 14 chars. You can't even think about them! EOM val="$undef" fi set d_flexfnam eval $setvar $rm -rf /tmp/cf$$ 123456789abcde* : see if flock exists set flock d_flock eval $inlibc : see if fmod exists set fmod d_fmod eval $inlibc : see if fork exists set fork d_fork eval $inlibc : see if pathconf exists set pathconf d_pathconf eval $inlibc : see if fpathconf exists set fpathconf d_fpathconf eval $inlibc : see if fsetpos exists set fsetpos d_fsetpos eval $inlibc : see if gethostent exists set gethostent d_gethent eval $inlibc : see if getlogin exists set getlogin d_getlogin eval $inlibc : see if getpgrp exists set getpgrp d_getpgrp eval $inlibc : see if getpgrp2 exists set getpgrp2 d_getpgrp2 eval $inlibc : see if getppid exists set getppid d_getppid eval $inlibc : see if getpriority exists set getpriority d_getprior eval $inlibc : see if this is a netinet/in.h or sys/in.h system set netinet/in.h i_niin sys/in.h i_sysin eval $inhdr : see if htonl --and friends-- exists val='' set htonl val eval $inlibc : Maybe they are macros. case "$val" in $undef) $cat >htonl.c < #include #$i_niin I_NETINET_IN #$i_sysin I_SYS_IN #ifdef I_NETINET_IN #include #endif #ifdef I_SYS_IN #include #endif #ifdef htonl printf("Defined as a macro."); #endif EOM $cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then val="$define" echo "But it seems to be defined as a macro." >&4 fi $rm -f htonl.? ;; esac set d_htonl eval $setvar : see which of string.h or strings.h is needed echo " " strings=`./findhdr string.h` if $test "$strings" && $test -r "$strings"; then echo "Using instead of ." >&4 val="$define" else val="$undef" strings=`./findhdr strings.h` if $test "$strings" && $test -r "$strings"; then echo "Using instead of ." >&4 else echo "No string header found -- You'll surely have problems." >&4 fi fi set i_string eval $setvar case "$i_string" in "$undef") strings=`./findhdr strings.h`;; *) strings=`./findhdr string.h`;; esac : index or strchr echo " " if set index val -f; eval $csym; $val; then if set strchr val -f d_strchr; eval $csym; $val; then if $contains strchr "$strings" >/dev/null 2>&1 ; then val="$define" vali="$undef" echo "strchr() found." >&4 else val="$undef" vali="$define" echo "index() found." >&4 fi else val="$undef" vali="$define" echo "index() found." >&4 fi else if set strchr val -f d_strchr; eval $csym; $val; then val="$define" vali="$undef" echo "strchr() found." >&4 else echo "No index() or strchr() found!" >&4 val="$undef" vali="$undef" fi fi set d_strchr; eval $setvar val="$vali" set d_index; eval $setvar : Look for isascii echo " " $cat >isascii.c <<'EOCP' #include #include main() { int c = 'A'; if (isascii(c)) exit(0); else exit(1); } EOCP if $cc $ccflags $ldflags -o isascii isascii.c $libs >/dev/null 2>&1 ; then echo "isascii() found." >&4 val="$define" else echo "isascii() NOT found." >&4 val="$undef" fi set d_isascii eval $setvar $rm -f isascii* : see if killpg exists set killpg d_killpg eval $inlibc : see if link exists set link d_link eval $inlibc : see if stdio is really std echo " " xxx=`./findhdr stdio.h` if $contains 'char.*_ptr;' "$xxx" >/dev/null 2>&1 ; then if $contains '_cnt;' "$xxx" >/dev/null 2>&1 ; then echo "Your stdio is pretty std." >&4 val="$define" else echo "Your stdio isn't very std." >&4 val="$undef" fi else echo "Your stdio isn't very std." >&4 val="$undef" fi set d_stdstdio eval $setvar : see if stdio is like that in linux case "$d_stdstdio" in "$undef") echo " " xxx=`./findhdr stdio.h` $cppstdin $cppflags $cppminus < "$xxx" > stdio.E if $contains 'char.*_IO_read_base' stdio.E >/dev/null 2>&1 && \ $contains '_IO_read_ptr' stdio.E >/dev/null 2>&1 && \ $contains '_IO_read_end' stdio.E >/dev/null 2>&1 ; then echo "Your stdio looks like linux." >&4 val="$define" else echo "You don't have linux stdio, either." >&4 val="$undef" fi $rm -f stdio.E ;; *) val="$undef" ;; esac set d_linuxstd eval $setvar : see if localeconv exists set localeconv d_locconv eval $inlibc : see if lockf exists set lockf d_lockf eval $inlibc : see if lstat exists set lstat d_lstat eval $inlibc : see if mblen exists set mblen d_mblen eval $inlibc : see if mbstowcs exists set mbstowcs d_mbstowcs eval $inlibc : see if mbtowc exists set mbtowc d_mbtowc eval $inlibc : see if memcmp exists set memcmp d_memcmp eval $inlibc : see if memcpy exists set memcpy d_memcpy eval $inlibc : see if memmove exists set memmove d_memmove eval $inlibc : see if memset exists set memset d_memset eval $inlibc : see if mkdir exists set mkdir d_mkdir eval $inlibc : see if mkfifo exists set mkfifo d_mkfifo eval $inlibc : see if mktime exists set mktime d_mktime eval $inlibc : see if msgctl exists set msgctl d_msgctl eval $inlibc : see if msgget exists set msgget d_msgget eval $inlibc : see if msgsnd exists set msgsnd d_msgsnd eval $inlibc : see if msgrcv exists set msgrcv d_msgrcv eval $inlibc : see how much of the 'msg*(2)' library is present. h_msg=true echo " " case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in *"$undef"*) h_msg=false;; esac : we could also check for sys/ipc.h ... if $h_msg && $test `./findhdr sys/msg.h`; then echo "You have the full msg*(2) library." >&4 val="$define" else echo "You don't have the full msg*(2) library." >&4 val="$undef" fi set d_msg eval $setvar : see if this is a malloc.h system set malloc.h i_malloc eval $inhdr : see if stdlib is available set stdlib.h i_stdlib eval $inhdr : determine which malloc to compile in echo " " case "$usemymalloc" in ''|y*|true) dflt='y' ;; n*|false) dflt='n' ;; *) dflt="$usemymalloc" ;; esac rp="Do you wish to attempt to use the malloc that comes with $package?" . ./myread usemymalloc="$ans" case "$ans" in y*|true) usemymalloc='y' mallocsrc='malloc.c' mallocobj='malloc.o' d_mymalloc="$define" case "$libs" in *-lmalloc*) : Remove malloc from list of libraries to use echo "Removing unneeded -lmalloc from library list" >&4 set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'` shift libs="$*" echo "libs = $libs" >&4 ;; esac ;; *) usemymalloc='n' mallocsrc='' mallocobj='' d_mymalloc="$undef" ;; esac : compute the return types of malloc and free echo " " $cat >malloc.c < #include #ifdef I_MALLOC #include #endif #ifdef I_STDLIB #include #endif #ifdef TRY_MALLOC void *malloc(); #endif #ifdef TRY_FREE void free(); #endif END case "$malloctype" in '') if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then malloctype='void *' else malloctype='char *' fi ;; esac echo "Your system wants malloc to return '$malloctype', it would seem." >&4 case "$freetype" in '') if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then freetype='void' else freetype='int' fi ;; esac echo "Your system uses $freetype free(), it would seem." >&4 $rm -f malloc.[co] : see if nice exists set nice d_nice eval $inlibc : Locate the flags for 'open()' echo " " $cat >open3.c <<'EOCP' #include #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif main() { if(O_RDONLY); #ifdef O_TRUNC exit(0); #else exit(1); #endif } EOCP : check sys/file.h first to get FREAD on Sun if $test `./findhdr sys/file.h` && \ $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then h_sysfile=true; echo " defines the O_* constants..." >&4 if ./open3; then echo "and you have the 3 argument form of open()." >&4 val="$define" else echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi elif $test `./findhdr fcntl.h` && \ $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then h_fcntl=true; echo " defines the O_* constants..." >&4 if ./open3; then echo "and you have the 3 argument form of open()." >&4 val="$define" else echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi else val="$undef" echo "I can't find the O_* constant definitions! You got problems." >&4 fi set d_open3 eval $setvar $rm -f open3* : see if pause exists set pause d_pause eval $inlibc : see if pipe exists set pipe d_pipe eval $inlibc : see if this is a pwd system echo " " xxx=`./findhdr pwd.h` if $test "$xxx"; then i_pwd="$define" echo " found." >&4 $cppstdin $cppflags $cppminus < $xxx >$$.h if $contains 'pw_quota' $$.h >/dev/null 2>&1; then d_pwquota="$define" else d_pwquota="$undef" fi if $contains 'pw_age' $$.h >/dev/null 2>&1; then d_pwage="$define" else d_pwage="$undef" fi if $contains 'pw_change' $$.h >/dev/null 2>&1; then d_pwchange="$define" else d_pwchange="$undef" fi if $contains 'pw_class' $$.h >/dev/null 2>&1; then d_pwclass="$define" else d_pwclass="$undef" fi if $contains 'pw_expire' $$.h >/dev/null 2>&1; then d_pwexpire="$define" else d_pwexpire="$undef" fi if $contains 'pw_comment' $$.h >/dev/null 2>&1; then d_pwcomment="$define" else d_pwcomment="$undef" fi $rm -f $$.h else i_pwd="$undef" d_pwquota="$undef" d_pwage="$undef" d_pwchange="$undef" d_pwclass="$undef" d_pwexpire="$undef" d_pwcomment="$undef" echo " NOT found." >&4 fi : see if readdir and friends exist set readdir d_readdir eval $inlibc set seekdir d_seekdir eval $inlibc set telldir d_telldir eval $inlibc set rewinddir d_rewinddir eval $inlibc : see if readlink exists set readlink d_readlink eval $inlibc : see if rename exists set rename d_rename eval $inlibc : see if rmdir exists set rmdir d_rmdir eval $inlibc : can bcopy handle overlapping blocks? val="$undef" case "$d_bcopy" in "$define") echo " " echo "Checking to see if your bcopy() can do overlapping copies..." >&4 $cat >foo.c <<'EOCP' main() { char buf[128], abc[128]; char *b; int len; int off; int align; bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36); for (align = 7; align >= 0; align--) { for (len = 36; len; len--) { b = buf+align; bcopy(abc, b, len); for (off = 1; off <= len; off++) { bcopy(b, b+off, len); bcopy(b+off, b, len); if (bcmp(b, abc, len)) exit(1); } } } exit(0); } EOCP if $cc foo.c -o safebcpy $ccflags $ldflags $libs >/dev/null 2>&1 ; then if ./safebcpy 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." fi else echo "(I can't compile the test program, so we'll assume not...)" fi ;; esac $rm -f foo.* safebcpy core set d_safebcpy eval $setvar : can memcpy handle overlapping blocks? val="$undef" case "$d_memcpy" in "$define") echo " " echo "Checking to see if your memcpy() can do overlapping copies..." >&4 $cat >foo.c <<'EOCP' main() { char buf[128], abc[128]; char *b; int len; int off; int align; memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36); for (align = 7; align >= 0; align--) { for (len = 36; len; len--) { b = buf+align; memcpy(abc, b, len); for (off = 1; off <= len; off++) { memcpy(b, b+off, len); memcpy(b+off, b, len); if (memcmp(b, abc, len)) exit(1); } } } exit(0); } EOCP if $cc foo.c -o safemcpy $ccflags $ldflags $libs >/dev/null 2>&1 ; then if ./safemcpy 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." fi else echo "(I can't compile the test program, so we'll assume not...)" fi ;; esac $rm -f foo.* safemcpy core set d_safemcpy eval $setvar : see if select exists set select d_select eval $inlibc : see if semctl exists set semctl d_semctl eval $inlibc : see if semget exists set semget d_semget eval $inlibc : see if semop exists set semop d_semop eval $inlibc : see how much of the 'sem*(2)' library is present. h_sem=true echo " " case "$d_semctl$d_semget$d_semop" in *"$undef"*) h_sem=false;; esac : we could also check for sys/ipc.h ... if $h_sem && $test `./findhdr sys/sem.h`; then echo "You have the full sem*(2) library." >&4 val="$define" else echo "You don't have the full sem*(2) library." >&4 val="$undef" fi set d_sem eval $setvar : see if setegid exists set setegid d_setegid eval $inlibc : see if seteuid exists set seteuid d_seteuid eval $inlibc : see if setlinebuf exists set setlinebuf d_setlinebuf eval $inlibc : see if setlocale exists set setlocale d_setlocale eval $inlibc : see if setpgid exists set setpgid d_setpgid eval $inlibc : see if setpgrp2 exists set setpgrp2 d_setpgrp2 eval $inlibc : see if setpriority exists set setpriority d_setprior eval $inlibc : see if setregid exists set setregid d_setregid eval $inlibc set setresgid d_setresgid eval $inlibc : see if setreuid exists set setreuid d_setreuid eval $inlibc set setresuid d_setresuid eval $inlibc : see if setrgid exists set setrgid d_setrgid eval $inlibc : see if setruid exists set setruid d_setruid eval $inlibc : see if setsid exists set setsid d_setsid eval $inlibc : see if shmctl exists set shmctl d_shmctl eval $inlibc : see if shmget exists set shmget d_shmget eval $inlibc : see if shmat exists set shmat d_shmat eval $inlibc : see what shmat returns case "$d_shmat" in "$define") $cat >shmat.c <<'END' #include void *shmat(); END if $cc $ccflags -c shmat.c >/dev/null 2>&1; then shmattype='void *' else shmattype='char *' fi echo "and it returns ($shmattype)." >&4 : see if a prototype for shmat is available $cppstdin $cppflags $cppminus < $usrinc/sys/shm.h > shmat.c 2>/dev/null if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then val="$define" else val="$undef" fi $rm -f shmat.[co] ;; *) val="$undef" ;; esac set d_shmatprototype eval $setvar : see if shmdt exists set shmdt d_shmdt eval $inlibc : see how much of the 'shm*(2)' library is present. h_shm=true echo " " case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in *"$undef"*) h_shm=false;; esac : we could also check for sys/ipc.h ... if $h_shm && $test `./findhdr sys/shm.h`; then echo "You have the full shm*(2) library." >&4 val="$define" else echo "You don't have the full shm*(2) library." >&4 val="$undef" fi set d_shm eval $setvar socketlib='' sockethdr='' : see whether socket exists echo " " $echo $n "Hmm... $c" >&4 if set socket val -f d_socket; eval $csym; $val; then echo "Looks like you have Berkeley networking support." >&4 d_socket="$define" if set setsockopt val -f; eval $csym; $val; then d_oldsock="$undef" else echo "...but it uses the old 4.1c interface, rather than 4.2" >&4 d_oldsock="$define" fi else if $contains socklib libc.list >/dev/null 2>&1; then echo "Looks like you have Berkeley networking support." >&4 d_socket="$define" : we will have to assume that it supports the 4.2 BSD interface d_oldsock="$undef" else echo "You don't have Berkeley networking in libc.a..." >&4 if test -f /usr/lib/libnet.a; then ( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) || \ ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list if $contains socket libc.list >/dev/null 2>&1; then echo "...but the Wollongong group seems to have hacked it in." >&4 socketlib="-lnet" sockethdr="-I/usr/netinclude" d_socket="$define" if $contains setsockopt libc.list >/dev/null 2>&1; then d_oldsock="$undef" else echo "...using the old 4.1c interface, rather than 4.2" >&4 d_oldsock="$define" fi else echo "or even in libnet.a, which is peculiar." >&4 d_socket="$undef" d_oldsock="$undef" fi else echo "or anywhere else I see." >&4 d_socket="$undef" d_oldsock="$undef" fi fi fi : see if socketpair exists set socketpair d_sockpair eval $inlibc : see if stat knows about block sizes echo " " xxx=`./findhdr sys/stat.h` if $contains 'st_blocks;' "$xxx" >/dev/null 2>&1 ; then if $contains 'st_blksize;' "$xxx" >/dev/null 2>&1 ; then echo "Your stat() knows about block sizes." >&4 val="$define" else echo "Your stat() doesn't know about block sizes." >&4 val="$undef" fi else echo "Your stat() doesn't know about block sizes." >&4 val="$undef" fi set d_statblks eval $setvar : see if strcoll exists set strcoll d_strcoll eval $inlibc : check for structure copying echo " " echo "Checking to see if your C compiler can copy structs..." >&4 $cat >try.c <<'EOCP' main() { struct blurfl { int dyick; } foo, bar; foo = bar; } EOCP if $cc -c try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it can." else val="$undef" echo "Nope, it can't." fi set d_strctcpy eval $setvar $rm -f try.* : see if strerror and/or sys_errlist[] exist echo " " if set strerror val -f d_strerror; eval $csym; $val; then echo 'strerror() found.' >&4 d_strerror="$define" d_strerrm='strerror(e)' if set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "(You also have sys_errlist[], so we could roll our own strerror.)" d_syserrlst="$define" else echo "(Since you don't have sys_errlist[], sterror() is welcome.)" d_syserrlst="$undef" fi elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \ $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then echo 'strerror() found in string header.' >&4 d_strerror="$define" d_strerrm='strerror(e)' if set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)" d_syserrlst="$define" else echo "(You don't appear to have any sys_errlist[], how can this be?)" d_syserrlst="$undef" fi elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4 d_strerror="$undef" d_syserrlst="$define" d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])' else echo 'strerror() and sys_errlist[] NOT found.' >&4 d_strerror="$undef" d_syserrlst="$undef" d_strerrm='"unknown"' fi : see if strxfrm exists set strxfrm d_strxfrm eval $inlibc : see if symlink exists set symlink d_symlink eval $inlibc : see if syscall exists set syscall d_syscall eval $inlibc : see if sysconf exists set sysconf d_sysconf eval $inlibc : see if system exists set system d_system eval $inlibc : see if tcgetpgrp exists set tcgetpgrp d_tcgetpgrp eval $inlibc : see if tcsetpgrp exists set tcsetpgrp d_tcsetpgrp eval $inlibc : define an is-a-typedef? function typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@; case "$inclist" in "") inclist="sys/types.h";; esac; eval "varval=\$$var"; case "$varval" in "") $rm -f temp.c; for inc in $inclist; do echo "#include <$inc>" >>temp.c; done; $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null; if $contains $type temp.E >/dev/null 2>&1; then eval "$var=$type"; else eval "$var=$def"; fi; $rm -f temp.?;; *) eval "$var=$varval";; esac' : see if this is a sys/times.h system set sys/times.h i_systimes eval $inhdr : see if times exists echo " " if set times val -f d_times; eval $csym; $val; then echo 'times() found.' >&4 d_times="$define" inc='' case "$i_systimes" in "$define") inc='sys/times.h';; esac set clock_t clocktype long stdio.h sys/types.h $inc eval $typedef dflt="$clocktype" echo " " rp="What type is returned by times() on this sytem?" . ./myread clocktype="$ans" else echo 'times() NOT found, hope that will do.' >&4 d_times="$undef" clocktype='int' fi : see if truncate exists set truncate d_truncate eval $inlibc : see if tzname[] exists echo " " if set tzname val -a d_tzname; eval $csym; $val; then val="$define" echo 'tzname[] found.' >&4 else val="$undef" echo 'tzname[] NOT found.' >&4 fi set d_tzname eval $setvar : see if umask exists set umask d_umask eval $inlibc : see if we have to deal with yellow pages, now NIS. if $test -d /usr/etc/yp || $test -d /etc/yp; then if $test -f /usr/etc/nibindd; then echo " " echo "I'm fairly confident you're on a NeXT." echo " " rp='Do you get the hosts file via NetInfo?' dflt=y case "$hostcat" in nidump*) ;; '') ;; *) dflt=n;; esac . ./myread case "$ans" in y*) hostcat='nidump hosts .';; *) ;; esac fi case "$hostcat" in nidump*) ;; *) case "$hostcat" in *ypcat*) dflt=y;; '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then dflt=y else dflt=n fi;; *) dflt=n;; esac echo " " rp='Are you getting the hosts file via yellow pages?' . ./myread case "$ans" in y*) hostcat='ypcat hosts';; *) hostcat='cat /etc/hosts';; esac ;; esac fi : now get the host name echo " " echo "Figuring out host name..." >&4 case "$myhostname" in '') cont=true echo 'Maybe "hostname" will work...' if tans=`sh -c hostname 2>&1` ; then myhostname=$tans phostname=hostname cont='' fi ;; *) cont='';; esac if $test "$cont"; then if ./xenix; then echo 'Oh, dear. Maybe "/etc/systemid" is the key...' if tans=`cat /etc/systemid 2>&1` ; then myhostname=$tans phostname='cat /etc/systemid' echo "Whadyaknow. Xenix always was a bit strange..." cont='' fi elif $test -r /etc/systemid; then echo "(What is a non-Xenix system doing with /etc/systemid?)" fi fi if $test "$cont"; then echo 'No, maybe "uuname -l" will work...' if tans=`sh -c 'uuname -l' 2>&1` ; then myhostname=$tans phostname='uuname -l' else echo 'Strange. Maybe "uname -n" will work...' if tans=`sh -c 'uname -n' 2>&1` ; then myhostname=$tans phostname='uname -n' else echo 'Oh well, maybe I can mine it out of whoami.h...' if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'` phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h" else case "$myhostname" in '') echo "Does this machine have an identity crisis or something?" phostname='';; *) echo "Well, you said $myhostname before..." phostname='echo $myhostname';; esac fi fi fi fi : you do not want to know about this set $myhostname myhostname=$1 : verify guess if $test "$myhostname" ; then dflt=y rp='Your host name appears to be "'$myhostname'".'" Right?" . ./myread case "$ans" in y*) ;; *) myhostname='';; esac fi : bad guess or no guess while $test "X$myhostname" = X ; do dflt='' rp="Please type the (one word) name of your host:" . ./myread myhostname="$ans" done : translate upper to lower if necessary case "$myhostname" in *[A-Z]*) echo "(Normalizing case in your host name)" myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'` ;; esac : a little sanity check here case "$phostname" in '') ;; *) case `$phostname | ./tr '[A-Z]' '[a-z]'` in $myhostname$mydomain|$myhostname) ;; *) case "$phostname" in sed*) echo "(That doesn't agree with your whoami.h file, by the way.)" ;; *) echo "(That doesn't agree with your $phostname command, by the way.)" ;; esac ;; esac ;; esac : see how we will look up host name echo " " if false; then : dummy stub to allow use of elif elif set uname val -f d_uname; eval $csym; $val; then if ./xenix; then $cat <<'EOM' uname() was found, but you're running xenix, and older versions of xenix have a broken uname(). If you don't really know whether your xenix is old enough to have a broken system call, use the default answer. EOM dflt=y case "$d_uname" in "$define") dflt=n;; esac rp='Is your uname() broken?' . ./myread case "$ans" in n*) d_uname="$define"; call=uname;; esac else echo 'uname() found.' >&4 d_uname="$define" call=uname fi fi case "$d_gethname" in '') d_gethname="$undef";; esac case "$d_uname" in '') d_uname="$undef";; esac case "$d_phostname" in '') d_phostname="$undef";; esac : backward compatibility for d_hvfork if test X$d_hvfork != X; then d_vfork="$d_hvfork" d_hvfork='' fi : see if there is a vfork val='' set vfork val eval $inlibc : Ok, but do we want to use it. vfork is reportedly unreliable in : perl on Solaris 2.x, and probably elsewhere. case "$val" in $define) echo " " case "$usevfork" in false) dflt='n';; *) dflt='y';; esac rp="Some systems have problems with vfork(). Do you want to use it?" . ./myread case "$ans" in y|Y) ;; *) echo "Ok, we won't use vfork()." val="$undef" ;; esac ;; esac set d_vfork eval $setvar case "$d_vfork" in $define) usevfork='true';; *) usevfork='false';; esac : see if this is an sysdir system set sys/dir.h i_sysdir eval $inhdr : see if this is an sysndir system set sys/ndir.h i_sysndir eval $inhdr : see if closedir exists set closedir d_closedir eval $inlibc case "$d_closedir" in "$define") echo " " echo "Checking whether closedir() returns a status..." >&4 cat > closedir.c < #if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */ #include #endif #else #ifdef I_SYS_NDIR #include #else #ifdef I_SYS_DIR #ifdef hp9000s500 #include /* may be wrong in the future */ #else #include #endif #endif #endif #endif int main() { return closedir(opendir(".")); } EOM if $cc $ccflags $ldflags -o closedir closedir.c $libs > /dev/null 2>&1; then if ./closedir > /dev/null 2>&1 ; then echo "Yes, it does." val="$undef" else echo "No, it doesn't." val="$define" fi else echo "(I can't seem to compile the test program--assuming it doesn't)" val="$define" fi ;; *) val="$undef"; ;; esac set d_void_closedir eval $setvar $rm -f closedir* : check for volatile keyword echo " " echo 'Checking to see if your C compiler knows about "volatile"...' >&4 $cat >try.c <<'EOCP' main() { typedef struct _goo_struct goo_struct; goo_struct * volatile goo = ((goo_struct *)0); struct _goo_struct { long long_int; int reg_int; char char_var; }; typedef unsigned short foo_t; char *volatile foo; volatile int bar; volatile foo_t blech; foo = foo; } EOCP if $cc -c $ccflags try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it does." else val="$undef" echo "Nope, it doesn't." fi set d_volatile eval $setvar $rm -f try.* : see if there is a wait4 set wait4 d_wait4 eval $inlibc : see if waitpid exists set waitpid d_waitpid eval $inlibc : see if wcstombs exists set wcstombs d_wcstombs eval $inlibc : see if wctomb exists set wctomb d_wctomb eval $inlibc : preserve RCS keywords in files with variable substitution, grrr Date='$Date' Id='$Id' Log='$Log' RCSfile='$RCSfile' Revision='$Revision' : check for alignment requirements echo " " case "$alignbytes" in '') echo "Checking alignment constraints..." >&4 $cat >try.c <<'EOCP' struct foobar { char foo; double bar; } try; main() { printf("%d\n", (char *)&try.bar - (char *)&try.foo); } EOCP if $cc $ccflags try.c -o try >/dev/null 2>&1; then dflt=`./try` else dflt='8' echo"(I can't seem to compile the test program...)" fi ;; *) dflt="$alignbytes" ;; esac rp="Doubles must be aligned on a how-many-byte boundary?" . ./myread alignbytes="$ans" $rm -f try.c try : determine where public executables go echo " " set dflt bin bin eval $prefixit fn=d~ rp='Pathname where the public executables will reside?' . ./getfile if $test "X$ansexp" != "X$binexp"; then installbin='' fi bin="$ans" binexp="$ansexp" if $afs; then $cat <try.c <<'EOCP' #include main() { int i; union { unsigned long l; char c[sizeof(long)]; } u; if (sizeof(long) > 4) u.l = (0x08070605L << 32) | 0x04030201L; else u.l = 0x04030201L; for (i = 0; i < sizeof(long); i++) printf("%c", u.c[i]+'0'); printf("\n"); } EOCP if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then dflt=`./try` case "$dflt" in ????|????????) echo "(The test program ran ok.)";; *) echo "(The test program didn't run right for some reason.)";; esac else dflt='4321' cat <<'EOM' (I can't seem to compile the test program. Guessing big-endian...) EOM fi ;; *) echo " " dflt="$byteorder" ;; esac rp="What is the order of bytes in a long?" . ./myread byteorder="$ans" $rm -f try.c try : how do we catenate cpp tokens here? echo " " echo "Checking to see how your cpp does stuff like catenate tokens..." >&4 $cat >cpp_stuff.c <<'EOCP' #define RCAT(a,b)a/**/b #define ACAT(a,b)a ## b RCAT(Rei,ser) ACAT(Cir,cus) EOCP $cppstdin $cppflags $cppminus cpp_stuff.out 2>&1 if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then echo "Oh! Smells like ANSI's been here." echo "We can catify or stringify, separately or together!" cpp_stuff=42 elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then echo "Ah, yes! The good old days!" echo "However, in the good old days we don't know how to stringify and" echo "catify at the same time." cpp_stuff=1 else $cat >&4 <&4 cat >try.c <<'EOCP' #include #include u_int32_t hash_cb (ptr, size) const void * ptr ; size_t size ; { } HASHINFO info ; main() { info.hash = hash_cb ; } EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then db_hashtype='int' else db_hashtype='u_int32_t' fi else echo "I can't seem to compile the test program." >&4 db_hashtype=int fi $rm -f try.[co] echo "Your version of Berkeley DB uses $db_hashtype for hash." ;; *) db_hashtype=int ;; esac case "$i_db" in define) : Check the return type needed for prefix echo "Checking return type needed for prefix for Berkeley DB ..." >&4 cat >try.c <<'EOCP' #include #include size_t prefix_cb (key1, key2) const DBT * key1 ; const DBT * key2 ; { } BTREEINFO info ; main() { info.prefix = prefix_cb ; } EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then db_prefixtype='int' else db_prefixtype='size_t' fi else echo "I can't seem to compile the test program." >&4 db_prefixtype='int' fi $rm -f try.[co] echo "Your version of Berkeley DB uses $db_prefixtype for prefix." ;; *) db_prefixtype='int' ;; esac : check for void type echo " " echo "Checking to see how well your C compiler groks the void type..." >&4 echo " " $cat >&4 <try.c <<'EOCP' #if TRY & 1 void main() { #else main() { #endif extern void moo(); /* function returning void */ void (*goo)(); /* ptr to func returning void */ #if TRY & 8 void *hue; /* generic ptr */ #endif #if TRY & 2 void (*foo[10])(); #endif #if TRY & 4 if(goo == moo) { exit(0); } #endif exit(0); } EOCP if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then voidflags=$defvoidused echo "It appears to support void to the level $package wants ($defvoidused)." if $contains warning .out >/dev/null 2>&1; then echo "However, you might get some warnings that look like this:" $cat .out fi else echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4 if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then echo "It supports 1..." if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then echo "It also supports 2..." if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then voidflags=7 echo "And it supports 4 but not 8 definitely." else echo "It doesn't support 4..." if $cc -c -DTRY=11 try.c >/dev/null 2>&1 ; then voidflags=11 echo "But it supports 8." else voidflags=3 echo "Neither does it support 8." fi fi else echo "It does not support 2..." if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then voidflags=13 echo "But it supports 4 and 8." else if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then voidflags=5 echo "And it supports 4 but has not heard about 8." else echo "However it supports 8 but not 4." fi fi fi else echo "There is no support at all for void." voidflags=0 fi fi esac dflt="$voidflags"; rp="Your void support flags add up to what?" . ./myread voidflags="$ans" $rm -f try.* .out : see if dbm.h is available set dbm.h t_dbm eval $inhdr case "$t_dbm" in $define) : see if dbmclose exists set dbmclose d_dbmclose eval $inlibc case "$d_dbmclose" in $undef) t_dbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_dbm" set i_dbm eval $setvar : see if ndbm.h is available set ndbm.h t_ndbm eval $inhdr case "$t_ndbm" in $define) : see if dbm_open exists set dbm_open d_dbm_open eval $inlibc case "$d_dbm_open" in $undef) t_ndbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_ndbm" set i_ndbm eval $setvar : see if gdbm.h is available set gdbm.h t_gdbm eval $inhdr case "$t_gdbm" in $define) : see if gdbm_open exists set gdbm_open d_gdbm_open eval $inlibc case "$d_gdbm_open" in $undef) t_gdbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_gdbm" set i_gdbm eval $setvar echo " " echo "Looking for extensions..." >&4 cd ../ext : If we are using the old config.sh, known_extensions may contain : old or inaccurate or duplicate values. known_extensions='' : We do not use find because it might not be available. : We do not just use MANIFEST because the user may have dropped : some additional extensions into the source tree and expect them : to be built. for xxx in * ; do if $test -f $xxx/$xxx.xs; then known_extensions="$known_extensions $xxx" else if $test -d $xxx; then cd $xxx for yyy in * ; do if $test -f $yyy/$yyy.xs; then known_extensions="$known_extensions $xxx/$yyy" fi done cd .. fi fi done set X $known_extensions shift known_extensions="$*" cd ../UU : Now see which are supported on this system. avail_ext='' for xxx in $known_extensions ; do case "$xxx" in DB_File) case "$i_db" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; GDBM_File) case "$i_gdbm" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; NDBM_File) case "$i_ndbm" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; ODBM_File) case "$i_dbm" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; POSIX) case "$useposix" in true|define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Socket) case "$d_socket" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac done set X $avail_ext shift avail_ext="$*" case $usedl in $define) $cat </dev/null` unsigned short case $1 in unsigned) dflt="$1 $2" ;; *) dflt="$1" ;; esac ;; *) dflt="$gidtype";; esac echo " " rp="What is the type for group ids returned by getgid()?" . ./myread gidtype="$ans" : see if getgroups exists set getgroups d_getgrps eval $inlibc : Find type of 2nd arg to getgroups echo " " case "$d_getgrps" in 'define') case "$groupstype" in '') dflt="$gidtype" ;; *) dflt="$groupstype" ;; esac $cat <&4 if $test -r ../patchlevel.h;then patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h` else patchlevel=0 fi echo "(You have $package $baserev PL$patchlevel.)" : Cruising for prototypes echo " " echo "Checking out function prototypes..." >&4 $cat >prototype.c <<'EOCP' main(int argc, char *argv[]) { exit(0);} EOCP if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then echo "Your C compiler appears to support function prototypes." val="$define" else echo "Your C compiler doesn't seem to understand function prototypes." val="$undef" fi set prototype eval $setvar $rm -f prototype* : check for size of random number generator echo " " case "$randbits" in '') echo "Checking to see how many bits your rand function produces..." >&4 $cat >try.c <<'EOCP' #include main() { register int i; register unsigned long tmp; register unsigned long max = 0L; for (i = 1000; i; i--) { tmp = (unsigned long)rand(); if (tmp > max) max = tmp; } for (i = 0; max; i++) max /= 2; printf("%d\n",i); } EOCP if $cc try.c -o try >/dev/null 2>&1 ; then dflt=`try` else dflt='?' echo "(I can't seem to compile the test program...)" fi ;; *) dflt="$randbits" ;; esac rp='How many bits does your rand() function produce?' . ./myread randbits="$ans" $rm -f try.c try : see if ar generates random libraries by itself echo " " echo "Checking how to generate random libraries on your machine..." >&4 echo 'int bar1() { return bar2(); }' > bar1.c echo 'int bar2() { return 2; }' > bar2.c $cat > foo.c <<'EOP' main() { printf("%d\n", bar1()); exit(0); } EOP $cc $ccflags -c bar1.c >/dev/null 2>&1 $cc $ccflags -c bar2.c >/dev/null 2>&1 $cc $ccflags -c foo.c >/dev/null 2>&1 ar rc bar.a bar2.o bar1.o >/dev/null 2>&1 if $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 && ./foobar >/dev/null 2>&1; then echo "ar appears to generate random libraries itself." orderlib=false ranlib=":" elif ar ts bar.a >/dev/null 2>&1 && $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 && ./foobar >/dev/null 2>&1; then echo "a table of contents needs to be added with 'ar ts'." orderlib=false ranlib="ar ts" else case "$ranlib" in :) ranlib='';; '') ranlib=`./loc ranlib X /usr/bin /bin /usr/local/bin` $test -f $ranlib || ranlib='' ;; esac if $test -n "$ranlib"; then echo "your system has '$ranlib'; we'll use that." orderlib=false else echo "your system doesn't seem to support random libraries" echo "so we'll use lorder and tsort to order the libraries." orderlib=true ranlib=":" fi fi $rm -f foo* bar* : determine where public executable scripts go set scriptdir scriptdir eval $prefixit case "$scriptdir" in '') dflt="$bin" : guess some guesses $test -d /usr/share/scripts && dflt=/usr/share/scripts $test -d /usr/share/bin && dflt=/usr/share/bin $test -d /usr/local/script && dflt=/usr/local/script $test -d $prefixexp/script && dflt=$prefixexp/script set dflt eval $prefixup ;; *) dflt="$scriptdir" ;; esac $cat <, or both." >&4 $echo $n "I'm now running the test program...$c" $cat >try.c <<'EOCP' #include #ifdef I_TIME #include #endif #ifdef I_SYSTIME #ifdef SYSTIMEKERNEL #define KERNEL #endif #include #endif #ifdef I_SYSSELECT #include #endif main() { struct tm foo; #ifdef S_TIMEVAL struct timeval bar; #endif #ifdef S_TIMEZONE struct timezone tzp; #endif if (foo.tm_sec == foo.tm_sec) exit(0); #ifdef S_TIMEVAL if (bar.tv_sec == bar.tv_sec) exit(0); #endif exit(1); } EOCP flags='' s_timezone='' sysselect='' for s_timeval in '-DS_TIMEVAL' ''; do for i_systimek in '' '-DSYSTIMEKERNEL'; do for i_time in '' '-DI_TIME'; do for i_systime in '-DI_SYSTIME' ''; do case "$flags" in '') $echo $n ".$c" if $cc $ccflags \ $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone \ try.c -o try >/dev/null 2>&1 ; then set X $i_time $i_systime $i_systimek $sysselect $s_timeval shift flags="$*" echo " " $echo $n "Succeeded with $flags$c" fi ;; esac done done done done timeincl='' echo " " case "$flags" in *SYSTIMEKERNEL*) i_systimek="$define" timeincl=`./findhdr sys/time.h` echo "We'll include with KERNEL defined." >&4;; *) i_systimek="$undef";; esac case "$flags" in *I_TIME*) i_time="$define" timeincl=`./findhdr time.h`" $timeincl" echo "We'll include ." >&4;; *) i_time="$undef";; esac case "$flags" in *I_SYSTIME*) i_systime="$define" timeincl=`./findhdr sys/time.h`" $timeincl" echo "We'll include ." >&4;; *) i_systime="$undef";; esac $rm -f try.c try : check for fd_set items $cat <fd_set.c < #ifdef HAS_SOCKET #include /* Might include */ #endif #ifdef I_SYS_TIME #include #else #ifdef I_SYS_SELECT #include #endif #endif main() { fd_set fds; #ifdef TRYBITS if(fds.fds_bits); #endif #if defined(FD_SET) && defined(FD_CLR) && defined(FD_ISSET) && defined(FD_ZERO) exit(0); #else exit(1); #endif } EOCP if $cc $ccflags -DTRYBITS fd_set.c -o fd_set >fd_set.out 2>&1 ; then d_fds_bits="$define" d_fd_set="$define" echo "Well, your system knows about the normal fd_set typedef..." >&4 if ./fd_set; then echo "and you have the normal fd_set macros (just as I'd expect)." >&4 d_fd_macros="$define" else $cat >&4 <<'EOM' but not the normal fd_set macros! Gaaack! I'll have to cover for you. EOM d_fd_macros="$undef" fi else $cat <<'EOM' Hmm, your compiler has some difficulty with fd_set. Checking further... EOM if $cc $ccflags fd_set.c -o fd_set >fd_set.out 2>&1 ; then d_fds_bits="$undef" d_fd_set="$define" echo "Well, your system has some sort of fd_set available..." >&4 if ./fd_set; then echo "and you have the normal fd_set macros." >&4 d_fd_macros="$define" else $cat <<'EOM' but not the normal fd_set macros! Gross! More work for me... EOM d_fd_macros="$undef" fi else echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4 d_fd_set="$undef" d_fds_bits="$undef" d_fd_macros="$undef" fi fi $rm -f fd_set* : check for type of arguments to select. This will only really : work if the system supports prototypes and provides one for : select. case "$d_select" in $define) : Make initial guess case "$selecttype" in ''|' ') case "$d_fd_set" in $define) xxx='fd_set *' ;; *) xxx='int *' ;; esac ;; *) xxx="$selecttype" ;; esac : backup guess case "$xxx" in 'fd_set *') yyy='int *' ;; 'int *') yyy='fd_set *' ;; esac $cat <try.c < #ifdef HAS_SOCKET #include /* Might include */ #endif #ifdef I_SYS_TIME #include #else #ifdef I_SYS_SELECT #include #endif #endif main() { int width; Select_fd_set_t readfds; Select_fd_set_t writefds; Select_fd_set_t exceptfds; struct timeval timeout; select(width, readfds, writefds, exceptfds, &timeout); exit(0); } EOCP if $cc $ccflags -c -DSelect_fd_set_t="$xxx" try.c >/dev/null 2>&1 ; then selecttype="$xxx" echo "Your system uses $xxx for the arguments to select." >&4 elif $cc $ccflags -c -DSelect_fd_set_t="$yyy" try.c >/dev/null 2>&1 ; then selecttype="$yyy" echo "Your system uses $yyy for the arguments to select." >&4 else rp='What is the type for the 2nd, 3rd, and 4th arguments to select?' dflt="$xxx" . ./myread selecttype="$ans" fi $rm -f try.[co] ;; *) selecttype = 'int *' ;; esac : generate list of signal names echo " " case "$sig_name" in '') echo "Generating a list of signal names..." >&4 xxx=`./findhdr signal.h`" "`./findhdr sys/signal.h`" "`./findhdr linux/signal.h` set X `cat $xxx 2>&1 | $awk ' $1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $3 ~ /^[1-9][0-9]*$/ { sig[$3] = substr($2,4,20) if (max < $3 && $3 < 60) { max = $3 } } END { for (i = 1; i <= max; i++) { if (sig[i] == "") printf "%d", i else printf "%s", sig[i] if (i < max) printf " " } printf "\n" } '` shift case $# in 0) echo 'kill -l' >/tmp/foo$$ set X `csh -f 70) { printf "\n" linelen = length(name) } printf "%s", name } }' echo " " : see what type is used for size_t set size_t sizetype 'unsigned int' stdio.h sys/types.h eval $typedef dflt="$sizetype" echo " " rp="What type is used for the length parameter for string functions?" . ./myread sizetype="$ans" : see what type is used for signed size_t set ssize_t ssizetype int stdio.h sys/types.h eval $typedef dflt="$ssizetype" $cat > ssize.c < #include #define Size_t $sizetype #define SSize_t $dflt main() { if (sizeof(Size_t) == sizeof(SSize_t)) printf("$dflt\n"); else if (sizeof(Size_t) == sizeof(int)) printf("int\n"); else printf("long\n"); } EOM echo " " if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 ; then ssizetype=`./ssize` echo "I'll be using $ssizetype for functions returning a byte count." >&4 else echo "(I can't compile the test program--please enlighten me!)" $cat </dev/null 2>&1 ; then echo "Your stdio uses unsigned chars." >&4 stdchar="unsigned char" else echo "Your stdio uses signed chars." >&4 stdchar="char" fi : see if time exists echo " " if set time val -f d_time; eval $csym; $val; then echo 'time() found.' >&4 val="$define" set time_t timetype long stdio.h sys/types.h eval $typedef dflt="$timetype" echo " " rp="What type is returned by time() on this sytem?" . ./myread timetype="$ans" else echo 'time() not found, hope that will do.' >&4 val="$undef" timetype='int'; fi set d_time eval $setvar : see what type uids are declared as in the kernel set uid_t uidtype xxx stdio.h sys/types.h eval $typedef case "$uidtype" in xxx) xxx=`./findhdr sys/user.h` set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short case $1 in unsigned) dflt="$1 $2" ;; *) dflt="$1" ;; esac ;; *) dflt="$uidtype";; esac echo " " rp="What is the type for user ids returned by getuid()?" . ./myread uidtype="$ans" : see if this is a sys/file.h system val='' set sys/file.h val eval $inhdr : do we need to #include ? case "$val" in "$define") echo " " if $h_sysfile; then val="$define" echo "We'll be including ." >&4 else val="$undef" echo "We won't be including ." >&4 fi ;; *) h_sysfile=false ;; esac set i_sysfile eval $setvar : see if fcntl.h is there val='' set fcntl.h val eval $inhdr : see if we can include fcntl.h case "$val" in "$define") echo " " if $h_fcntl; then val="$define" echo "We'll be including ." >&4 else val="$undef" if $h_sysfile; then echo "We don't need to include if we include ." >&4 else echo "We won't be including ." >&4 fi fi ;; *) h_fcntl=false val="$undef" ;; esac set i_fcntl eval $setvar : see if this is an grp system set grp.h i_grp eval $inhdr : see if this is a math.h system set math.h i_math eval $inhdr : see if memory.h is available. val='' set memory.h val eval $inhdr : See if it conflicts with string.h case "$val" in $define) case "$strings" in '') ;; *) $cppstdin $cppflags $cppminus < $strings > mem.h if $contains 'memcpy' mem.h >/dev/null 2>&1; then echo " " echo "We won't be including ." val="$undef" fi $rm -f mem.h ;; esac esac set i_memory eval $setvar : see if net/errno.h is available val='' set net/errno.h val eval $inhdr : Unfortunately, it causes problems on some systems. Arrgh. case "$val" in $define) cat > try.c <<'EOM' #include #include #include int func() { return ENOTSOCK; } EOM if $cc $ccflags -c try.c >/dev/null 2>&1; then echo "We'll be including ." >&4 else echo "We won't be including ." >&4 val="$undef" fi $rm -f try.* try ;; esac set i_neterrno eval $setvar : get C preprocessor symbols handy echo " " $echo $n "Hmm... $c" echo $al | $tr ' ' '\012' >Cppsym.know $cat <Cppsym $startsh case "\$1" in -l) list=true shift ;; esac unknown='' case "\$list\$#" in 1|2) for sym do if $contains "^\$1$" Cppsym.true >/dev/null 2>&1; then exit 0 elif $contains "^\$1$" Cppsym.know >/dev/null 2>&1; then : else unknown="\$unknown \$sym" fi done set X \$unknown shift ;; esac case \$# in 0) exit 1;; esac echo \$* | $tr ' ' '\012' | $sed -e 's/\(.*\)/\\ #ifdef \1\\ exit 0; _ _ _ _\1\\ \1\\ #endif\\ /' >Cppsym\$\$ echo "exit 1; _ _ _" >>Cppsym\$\$ $cppstdin $cppminus Cppsym2\$\$ case "\$list" in true) $awk 'NF > 5 {print substr(\$6,2,100)}' Cppsym.true : now check the C compiler for additional symbols $cat >ccsym <tmp.c <&1\` do case "\$i" in -D*) echo "\$i" | $sed 's/^-D//';; -A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';; esac done $rm -f try.c EOS chmod +x ccsym $eunicefix ccsym ./ccsym | $sort | $uniq >ccsym.raw $awk '/\=/ { print $0; next } { print $0"=1" }' ccsym.raw >ccsym.list $awk '{ print $0"=1" }' Cppsym.true >ccsym.true $comm -13 ccsym.true ccsym.list >ccsym.own $comm -12 ccsym.true ccsym.list >ccsym.com $comm -23 ccsym.true ccsym.list >ccsym.cpp also='' symbols='symbols' if $test -z ccsym.raw; then echo "Your C compiler doesn't seem to define any symbol!" >&4 echo " " echo "However, your C preprocessor defines the following ones:" $cat Cppsym.true else if $test -s ccsym.com; then echo "Your C compiler and pre-processor define these symbols:" $sed -e 's/\(.*\)=.*/\1/' ccsym.com also='also ' symbols='ones' $test "$silent" || sleep 1 fi if $test -s ccsym.cpp; then $test "$also" && echo " " echo "Your C pre-processor ${also}defines the following $symbols:" $sed -e 's/\(.*\)=.*/\1/' ccsym.cpp also='further ' $test "$silent" || sleep 1 fi if $test -s ccsym.own; then $test "$also" && echo " " echo "Your C compiler ${also}defines the following cpp variables:" $sed -e 's/\(.*\)=1/\1/' ccsym.own $sed -e 's/\(.*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true $test "$silent" || sleep 1 fi fi $rm -f ccsym* : see if this is a termio system val="$undef" val2="$undef" val3="$undef" if $test `./findhdr termios.h`; then set tcsetattr i_termios eval $inlibc val3="$i_termios" fi echo " " case "$val3" in "$define") echo "You have POSIX termios.h... good!" >&4;; *) if ./Cppsym pyr; then case "`/bin/universe`" in ucb) if $test `./findhdr sgtty.h`; then val2="$define" echo " found." >&4 else echo "System is pyramid with BSD universe." echo " not found--you could have problems." >&4 fi;; *) if $test `./findhdr termio.h`; then val="$define" echo " found." >&4 else echo "System is pyramid with USG universe." echo " not found--you could have problems." >&4 fi;; esac elif ./usg; then if $test `./findhdr termio.h`; then echo " found." >&4 val="$define" elif $test `./findhdr sgtty.h`; then echo " found." >&4 val2="$define" else echo "Neither nor found--you could have problems." >&4 fi else if $test `./findhdr sgtty.h`; then echo " found." >&4 val2="$define" elif $test `./findhdr termio.h`; then echo " found." >&4 val="$define" else echo "Neither nor found--you could have problems." >&4 fi fi;; esac set i_termio; eval $setvar val=$val2; set i_sgtty; eval $setvar val=$val3; set i_termios; eval $setvar : see if stdarg is available echo " " if $test `./findhdr stdarg.h`; then echo " found." >&4 valstd="$define" else echo " NOT found." >&4 valstd="$undef" fi : see if varags is available echo " " if $test `./findhdr varargs.h`; then echo " found." >&4 else echo " NOT found, but that's ok (I hope)." >&4 fi : set up the varargs testing programs $cat > varargs.c < #endif #ifdef I_VARARGS #include #endif #ifdef I_STDARG int f(char *p, ...) #else int f(va_alist) va_dcl #endif { va_list ap; #ifndef I_STDARG char *p; #endif #ifdef I_STDARG va_start(ap,p); #else va_start(ap); p = va_arg(ap, char *); #endif va_end(ap); } EOP $cat > varargs </dev/null 2>&1; then echo "true" else echo "false" fi $rm -f varargs.o EOP chmod +x varargs : now check which varargs header should be included echo " " i_varhdr='' case "$valstd" in "$define") if `./varargs I_STDARG`; then val='stdarg.h' elif `./varargs I_VARARGS`; then val='varargs.h' fi ;; *) if `./varargs I_VARARGS`; then val='varargs.h' fi ;; esac case "$val" in '') echo "I could not find the definition for va_dcl... You have problems..." >&4 val="$undef"; set i_stdarg; eval $setvar val="$undef"; set i_varargs; eval $setvar ;; *) set i_varhdr eval $setvar case "$i_varhdr" in stdarg.h) val="$define"; set i_stdarg; eval $setvar val="$undef"; set i_varargs; eval $setvar ;; varargs.h) val="$undef"; set i_stdarg; eval $setvar val="$define"; set i_varargs; eval $setvar ;; esac echo "We'll include <$i_varhdr> to get va_dcl definition." >&4;; esac $rm -f varargs* : see if stddef is available set stddef.h i_stddef eval $inhdr : see if ioctl defs are in sgtty, termio, sys/filio or sys/ioctl set sys/filio.h i_sysfilio eval $inhdr echo " " if $test `./findhdr sys/ioctl.h`; then val="$define" echo ' found.' >&4 else val="$undef" if $test $i_sysfilio = "$define"; then echo ' NOT found.' >&4 else $test $i_sgtty = "$define" && xxx="sgtty.h" $test $i_termio = "$define" && xxx="termio.h" $test $i_termios = "$define" && xxx="termios.h" echo "No found, assuming ioctl args are defined in <$xxx>." >&4 fi fi set i_sysioctl eval $setvar : see if this is a sys/param system set sys/param.h i_sysparam eval $inhdr : see if sys/stat.h is available set sys/stat.h i_sysstat eval $inhdr : see if sys/types.h has to be included set sys/types.h i_systypes eval $inhdr : see if this is a unistd.h system set unistd.h i_unistd eval $inhdr : see if this is an utime system set utime.h i_utime eval $inhdr : see if this is a vfork system case "$d_vfork" in "$define") set vfork.h i_vfork eval $inhdr ;; *) i_vfork="$undef" ;; esac : end of configuration questions echo " " echo "End of configuration questions." echo " " : back to where it started if test -d ../UU; then cd .. fi : configuration may be patched via a 'config.over' file if $test -f config.over; then echo " " dflt=y rp='I see a config.over file. Do you wish to load it?' . UU/myread case "$ans" in n*) echo "OK, I'll ignore it.";; *) . ./config.over echo "Configuration override changes have been loaded." ;; esac fi : in case they want portability, strip down executable paths case "$d_portable" in "$define") echo " " echo "Stripping down executable paths..." >&4 for file in $loclist $trylist; do eval $file="\$file" done ;; esac : create config.sh file echo " " echo "Creating config.sh..." >&4 $spitshell <config.sh $startsh # # This file was produced by running the Configure script. It holds all the # definitions figured out by Configure. Should you modify one of these values, # do not forget to propagate your changes by running "Configure -der". You may # instead choose to run each of the .SH files by yourself, or "Configure -S". # # Configuration time: $cf_time # Configured by: $cf_by # Target system: $myuname Author='$Author' Date='$Date' Header='$Header' Id='$Id' Locker='$Locker' Log='$Log' Mcc='$Mcc' RCSfile='$RCSfile' Revision='$Revision' Source='$Source' State='$State' afs='$afs' alignbytes='$alignbytes' aphostname='$aphostname' archlib='$archlib' archlibexp='$archlibexp' archname='$archname' awk='$awk' baserev='$baserev' bash='$bash' bin='$bin' binexp='$binexp' bison='$bison' byacc='$byacc' byteorder='$byteorder' c='$c' castflags='$castflags' cat='$cat' cc='$cc' cccdlflags='$cccdlflags' ccdlflags='$ccdlflags' ccflags='$ccflags' cf_by='$cf_by' cf_time='$cf_time' chgrp='$chgrp' chmod='$chmod' chown='$chown' clocktype='$clocktype' comm='$comm' compress='$compress' contains='$contains' cp='$cp' cpio='$cpio' cpp='$cpp' cpp_stuff='$cpp_stuff' cppflags='$cppflags' cpplast='$cpplast' cppminus='$cppminus' cpprun='$cpprun' cppstdin='$cppstdin' cryptlib='$cryptlib' csh='$csh' d_Gconvert='$d_Gconvert' d_access='$d_access' d_alarm='$d_alarm' d_archlib='$d_archlib' d_attribut='$d_attribut' d_bcmp='$d_bcmp' d_bcopy='$d_bcopy' d_bsd='$d_bsd' d_bsdpgrp='$d_bsdpgrp' d_byacc='$d_byacc' d_bzero='$d_bzero' d_casti32='$d_casti32' d_castneg='$d_castneg' d_charvspr='$d_charvspr' d_chown='$d_chown' d_chroot='$d_chroot' d_chsize='$d_chsize' d_closedir='$d_closedir' d_const='$d_const' d_crypt='$d_crypt' d_csh='$d_csh' d_cuserid='$d_cuserid' d_dbl_dig='$d_dbl_dig' d_difftime='$d_difftime' d_dirnamlen='$d_dirnamlen' d_dlerror='$d_dlerror' d_dlopen='$d_dlopen' d_dlsymun='$d_dlsymun' d_dosuid='$d_dosuid' d_drem='$d_drem' d_dup2='$d_dup2' d_eunice='$d_eunice' d_fchmod='$d_fchmod' d_fchown='$d_fchown' d_fcntl='$d_fcntl' d_fd_macros='$d_fd_macros' d_fd_set='$d_fd_set' d_fds_bits='$d_fds_bits' d_fgetpos='$d_fgetpos' d_flexfnam='$d_flexfnam' d_flock='$d_flock' d_fmod='$d_fmod' d_fork='$d_fork' d_fpathconf='$d_fpathconf' d_fsetpos='$d_fsetpos' d_getgrps='$d_getgrps' d_gethent='$d_gethent' d_gethname='$d_gethname' d_getlogin='$d_getlogin' d_getpgrp2='$d_getpgrp2' d_getpgrp='$d_getpgrp' d_getppid='$d_getppid' d_getprior='$d_getprior' d_htonl='$d_htonl' d_index='$d_index' d_isascii='$d_isascii' d_killpg='$d_killpg' d_link='$d_link' d_linuxstd='$d_linuxstd' d_locconv='$d_locconv' d_lockf='$d_lockf' d_lstat='$d_lstat' d_mblen='$d_mblen' d_mbstowcs='$d_mbstowcs' d_mbtowc='$d_mbtowc' d_memcmp='$d_memcmp' d_memcpy='$d_memcpy' d_memmove='$d_memmove' d_memset='$d_memset' d_mkdir='$d_mkdir' d_mkfifo='$d_mkfifo' d_mktime='$d_mktime' d_msg='$d_msg' d_msgctl='$d_msgctl' d_msgget='$d_msgget' d_msgrcv='$d_msgrcv' d_msgsnd='$d_msgsnd' d_mymalloc='$d_mymalloc' d_nice='$d_nice' d_oldsock='$d_oldsock' d_open3='$d_open3' d_pathconf='$d_pathconf' d_pause='$d_pause' d_phostname='$d_phostname' d_pipe='$d_pipe' d_portable='$d_portable' d_pwage='$d_pwage' d_pwchange='$d_pwchange' d_pwclass='$d_pwclass' d_pwcomment='$d_pwcomment' d_pwexpire='$d_pwexpire' d_pwquota='$d_pwquota' d_readdir='$d_readdir' d_readlink='$d_readlink' d_rename='$d_rename' d_rewinddir='$d_rewinddir' d_rmdir='$d_rmdir' d_safebcpy='$d_safebcpy' d_safemcpy='$d_safemcpy' d_seekdir='$d_seekdir' d_select='$d_select' d_sem='$d_sem' d_semctl='$d_semctl' d_semget='$d_semget' d_semop='$d_semop' d_setegid='$d_setegid' d_seteuid='$d_seteuid' d_setlinebuf='$d_setlinebuf' d_setlocale='$d_setlocale' d_setpgid='$d_setpgid' d_setpgrp2='$d_setpgrp2' d_setpgrp='$d_setpgrp' d_setprior='$d_setprior' d_setregid='$d_setregid' d_setresgid='$d_setresgid' d_setresuid='$d_setresuid' d_setreuid='$d_setreuid' d_setrgid='$d_setrgid' d_setruid='$d_setruid' d_setsid='$d_setsid' d_shm='$d_shm' d_shmat='$d_shmat' d_shmatprototype='$d_shmatprototype' d_shmctl='$d_shmctl' d_shmdt='$d_shmdt' d_shmget='$d_shmget' d_shrplib='$d_shrplib' d_socket='$d_socket' d_sockpair='$d_sockpair' d_statblks='$d_statblks' d_stdstdio='$d_stdstdio' d_strchr='$d_strchr' d_strcoll='$d_strcoll' d_strctcpy='$d_strctcpy' d_strerrm='$d_strerrm' d_strerror='$d_strerror' d_strxfrm='$d_strxfrm' d_suidsafe='$d_suidsafe' d_symlink='$d_symlink' d_syscall='$d_syscall' d_sysconf='$d_sysconf' d_sysernlst='$d_sysernlst' d_syserrlst='$d_syserrlst' d_system='$d_system' d_tcgetpgrp='$d_tcgetpgrp' d_tcsetpgrp='$d_tcsetpgrp' d_telldir='$d_telldir' d_time='$d_time' d_times='$d_times' d_truncate='$d_truncate' d_tzname='$d_tzname' d_umask='$d_umask' d_uname='$d_uname' d_vfork='$d_vfork' d_void_closedir='$d_void_closedir' d_voidsig='$d_voidsig' d_voidtty='$d_voidtty' d_volatile='$d_volatile' d_vprintf='$d_vprintf' d_wait4='$d_wait4' d_waitpid='$d_waitpid' d_wcstombs='$d_wcstombs' d_wctomb='$d_wctomb' d_xenix='$d_xenix' date='$date' db_hashtype='$db_hashtype' db_prefixtype='$db_prefixtype' defvoidused='$defvoidused' direntrytype='$direntrytype' dlext='$dlext' dlsrc='$dlsrc' dynamic_ext='$dynamic_ext' echo='$echo' egrep='$egrep' emacs='$emacs' eunicefix='$eunicefix' expr='$expr' extensions='$extensions' find='$find' flex='$flex' fpostype='$fpostype' freetype='$freetype' full_csh='$full_csh' full_sed='$full_sed' gcc='$gcc' gccversion='$gccversion' gidtype='$gidtype' glibpth='$glibpth' grep='$grep' groupcat='$groupcat' groupstype='$groupstype' h_fcntl='$h_fcntl' h_sysfile='$h_sysfile' hint='$hint' hostcat='$hostcat' huge='$huge' i_bsdioctl='$i_bsdioctl' i_db='$i_db' i_dbm='$i_dbm' i_dirent='$i_dirent' i_dld='$i_dld' i_dlfcn='$i_dlfcn' i_fcntl='$i_fcntl' i_float='$i_float' i_gdbm='$i_gdbm' i_grp='$i_grp' i_limits='$i_limits' i_malloc='$i_malloc' i_math='$i_math' i_memory='$i_memory' i_ndbm='$i_ndbm' i_neterrno='$i_neterrno' i_niin='$i_niin' i_pwd='$i_pwd' i_sgtty='$i_sgtty' i_stdarg='$i_stdarg' i_stddef='$i_stddef' i_stdlib='$i_stdlib' i_string='$i_string' i_sysdir='$i_sysdir' i_sysfile='$i_sysfile' i_sysfilio='$i_sysfilio' i_sysin='$i_sysin' i_sysioctl='$i_sysioctl' i_sysndir='$i_sysndir' i_sysparam='$i_sysparam' i_sysselct='$i_sysselct' i_syssockio='$i_syssockio' i_sysstat='$i_sysstat' i_systime='$i_systime' i_systimek='$i_systimek' i_systimes='$i_systimes' i_systypes='$i_systypes' i_termio='$i_termio' i_termios='$i_termios' i_time='$i_time' i_unistd='$i_unistd' i_utime='$i_utime' i_varargs='$i_varargs' i_varhdr='$i_varhdr' i_vfork='$i_vfork' incpath='$incpath' inews='$inews' installarchlib='$installarchlib' installbin='$installbin' installmansrc='$installmansrc' installprivlib='$installprivlib' installscript='$installscript' intsize='$intsize' known_extensions='$known_extensions' ksh='$ksh' large='$large' lddlflags='$lddlflags' ldflags='$ldflags' less='$less' libc='$libc' libpth='$libpth' libs='$libs' libswanted='$libswanted' line='$line' lint='$lint' lkflags='$lkflags' ln='$ln' lns='$lns' lp='$lp' lpr='$lpr' ls='$ls' lseektype='$lseektype' mail='$mail' mailx='$mailx' make='$make' mallocobj='$mallocobj' mallocsrc='$mallocsrc' malloctype='$malloctype' manext='$manext' mansrc='$mansrc' mansrcexp='$mansrcexp' medium='$medium' mips='$mips' mips_type='$mips_type' mkdir='$mkdir' models='$models' modetype='$modetype' more='$more' mv='$mv' myarchname='$myarchname' mydomain='$mydomain' myhostname='$myhostname' myuname='$myuname' n='$n' nm_opt='$nm_opt' nroff='$nroff' optimize='$optimize' orderlib='$orderlib' osname='$osname' osvers='$osvers' package='$package' passcat='$passcat' patchlevel='$patchlevel' perl='$perl' pg='$pg' phostname='$phostname' plibpth='$plibpth' pmake='$pmake' pr='$pr' prefix='$prefix' prefixexp='$prefixexp' privlib='$privlib' privlibexp='$privlibexp' prototype='$prototype' randbits='$randbits' ranlib='$ranlib' rm='$rm' rmail='$rmail' runnm='$runnm' scriptdir='$scriptdir' scriptdirexp='$scriptdirexp' sed='$sed' selecttype='$selecttype' sendmail='$sendmail' sh='$sh' shar='$shar' sharpbang='$sharpbang' shmattype='$shmattype' shrpdir='$shrpdir' shsharp='$shsharp' sig_name='$sig_name' signal_t='$signal_t' sizetype='$sizetype' sleep='$sleep' smail='$smail' small='$small' so='$so' sockethdr='$sockethdr' socketlib='$socketlib' sort='$sort' spackage='$spackage' spitshell='$spitshell' split='$split' ssizetype='$ssizetype' startsh='$startsh' static_ext='$static_ext' stdchar='$stdchar' strings='$strings' submit='$submit' sysman='$sysman' tail='$tail' tar='$tar' tbl='$tbl' test='$test' timeincl='$timeincl' timetype='$timetype' touch='$touch' tr='$tr' troff='$troff' uidtype='$uidtype' uname='$uname' uniq='$uniq' usedl='$usedl' usemymalloc='$usemymalloc' usenm='$usenm' useposix='$useposix' usevfork='$usevfork' usrinc='$usrinc' uuname='$uuname' vi='$vi' voidflags='$voidflags' xlibpth='$xlibpth' zcat='$zcat' EOT : add special variables $test -f patchlevel.h && \ awk '/^#define/ {printf "%s=%s\n",$2,$3}' patchlevel.h >>config.sh echo "CONFIG=true" >>config.sh : propagate old symbols if $test -f UU/config.sh; then UU/oldconfig.sh sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\ sort | uniq -u >UU/oldsyms set X `cat UU/oldsyms` shift case $# in 0) ;; *) cat <>config.sh for sym in `cat UU/oldsyms`; do echo " Propagating $hint variable "'$'"$sym..." eval 'tmp="$'"${sym}"'"' echo "$tmp" | \ sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh done ;; esac fi : Finish up by extracting the .SH files case "$alldone" in exit) $rm -rf UU echo "Done." exit 0 ;; cont) ;; '') dflt='' nostick=true $cat <&4 -c "$ans";; esac ;; esac : if this fails, just run all the .SH files by hand . ./config.sh echo " " exec 1>&4 . ./UU/extract if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then dflt=y case "$silent" in true) ;; *) $cat < makedepend.out &" It can take a while, so you might not want to run it right now. EOM ;; esac rp="Run make depend now?" . UU/myread case "$ans" in y*) make depend && echo "Now you must run a make." ;; *) echo "You must run 'make depend' then 'make'." ;; esac elif test -f [Mm]akefile; then echo " " echo "Now you must run a make." else echo "Done." fi $rm -f kit*isdone ark*isdone $rm -rf UU : End of Configure