X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/a02608dec28d4e964c218e69ee3e39c623232d8d..2caa20791b32874d40ecc8315c64b5c2ede9e55d:/makedepend.SH diff --git a/makedepend.SH b/makedepend.SH index ec21795..600288f 100755 --- a/makedepend.SH +++ b/makedepend.SH @@ -18,10 +18,6 @@ case "$0" in */*) cd `expr X$0 : 'X\(.*\)/'` ;; esac -case "$osname" in -amigaos) cat=/bin/cat ;; # must be absolute -esac - echo "Extracting makedepend (with variable substitutions)" rm -f makedepend $spitshell >makedepend <>makedepend <<'!NO!SUBS!' +if test -d .depending; then + echo "$0: Already running, exiting." + exit 0 +fi + +mkdir .depending + # This script should be called with # sh ./makedepend MAKE=$(MAKE) case "$1" in - MAKE=*) eval $1 ;; + MAKE=*) eval $1; shift ;; esac export PATH || (echo "OOPS, this isn't sh. Desperation time. I will feed myself to sh."; sh \$0; kill \$\$) @@ -55,6 +58,11 @@ case $PERL_CONFIG_SH in ;; esac +# Avoid localized gcc messages +case "$ccname" in + gcc) LC_ALL=C ; export LC_ALL ;; +esac + # We need .. when we are in the x2p directory if we are using the # cppstdin wrapper script. # Put .. and . first so that we pick up the present cppstdin, not @@ -62,6 +70,10 @@ esac PATH=".$path_sep..$path_sep$PATH" export PATH +case "$osname" in +amigaos) cat=/bin/cat ;; # must be absolute +esac + $cat /dev/null >.deptmp $rm -f *.c.c c/*.c.c if test -f Makefile; then @@ -71,7 +83,6 @@ if test -f Makefile; then # to be out of date. I don't know if OS/2 has touch, so do this: case "$osname" in os2) ;; - netbsd) ;; *) $touch $firstmakefile ;; esac fi @@ -103,49 +114,80 @@ $MAKE clist || ($echo "Searching for .c files..."; \ $echo *.c | $tr ' ' $trnl | $egrep -v '\*' >.clist) for file in `$cat .clist`; do # for file in `cat /dev/null`; do - if [ "$osname" = uwin ]; then - uwinfix="-e s,\\\\\\\\,/,g -e s,\\([a-zA-Z]\\):/,/\\1/,g" - else - if [ "$osname" = os2 ]; then - uwinfix="-e s,\\\\\\\\,/,g" - else - if [ "$archname" = cygwin ]; then - uwinfix="-e s,\\\\\\\\,/,g" - else - if [ "$osname" = posix-bc ]; then - uwinfix="-e s/\\*POSIX(\\(.*\\))/\\1/" - else - uwinfix= - fi - fi - fi - fi + case "$osname" in + uwin) uwinfix="-e s,\\\\\\\\,/,g -e s,\\([a-zA-Z]\\):/,/\\1/,g" ;; + os2) uwinfix="-e s,\\\\\\\\,/,g" ;; + cygwin) uwinfix="-e s,\\\\\\\\,/,g" ;; + posix-bc) uwinfix="-e s/\\*POSIX(\\(.*\\))/\\1/" ;; + vos) uwinfix="-e s/\#/\\\#/" ;; + *) uwinfix="" ;; + esac case "$file" in *.c) filebase=`basename $file .c` ;; *.y) filebase=`basename $file .y` ;; esac case "$file" in - */*) finc="-I`echo $file | sed 's#/[^/]*$##`" ;; + */*) finc="-I`echo $file | sed 's#/[^/]*$##'`" ;; *) finc= ;; esac - $echo "Finding dependencies for $filebase$_o." - ( $echo "#line 1 \"$file\""; \ - $sed -n <$file \ - -e "/^${filebase}_init(/q" \ - -e '/^#line/d' \ - -e '/^#/{' \ - -e 's|/\*.*$||' \ - -e 's|\\$||' \ - -e p \ + $echo "Finding dependencies for $filebase$_o" + # Below, we strip out all but preprocessor directives. + # We have to take care of situations like + # #if defined(FOO) BAR /* comment line 1 + # more comment lines */ + # If we just delete text starting from the '/*' to the end of line, we will + # screw up cases like + # #if defined(FOO) /* comment */ \ + # && defined(BAR) /* comment */ \ + # && defined(BAZ) /* comment */ \ + # etc. + # Also, in lines like + # #defined FOO(a,b) a/**/b + # the comment may be important and so needs to be retained. + # This code processes the single-line comments first; it assumes there is + # at most one straightforward comment per continued preprocessor line, + # replacing each non-empty comment (and its surrounding white space) by a + # single space. (sed only has a greedy '*' quantifier, so this doesn't + # work right if there are multiple comments per line, and strings can look + # like comments to it; both are unlikely in a preprocessor statement.) Any + # continuation line is joined, and the process repeated on the enlarged + # line as long as there are continuations. At the end, if there are any + # comments remaining, they are either completely empty or are like the + # first situation. The latter are just deleted by first deleting to the + # end of line (including preceding white space) things that start with '/*' + # and the next char isn't a '*'; then things that start with '/**', but the + # next char isn't a '/'. (Subsequent lines of the comment are irrelevant + # and get dropped.) At the end, we unjoin very long lines to avoid + # preprocessor limitations + ( $echo "#line 2 \"$file\""; \ + $sed -n <$file \ + -e "/^${filebase}_init(/q" \ + -e ': tstcont' \ + -e '/^[ ]*#/s|[ ]*/\*..*\*/[ ]*| |' \ + -e '/\\$/{' \ + -e 'N' \ + -e 'b tstcont' \ + -e '}' \ + -e 's/\\\n//g' \ + -e '/^#line/d' \ + -e '/^[ ]*#/{' \ + -e 's|[ ]*/\*[^*].*$||' \ + -e 's|[ ]*/\*\*[^/].*$||' \ + -e 's/.\{255\}/&\\\n/g' \ + -e p \ -e '}' ) >UU/$file.c + + # We're not sure why this was there; the #endif is extraneous on modern z/OS + #if [ "$osname" = os390 -a "$file" = perly.c ]; then + # $echo '#endif' >>UU/$file.c + #fi + if [ "$osname" = os390 ]; then - if [ "$file" = perly.c ]; then - $echo '#endif' >>UU/$file.c - fi $cppstdin $finc -I. $cppflags $cppminus /d' \ -e '/^#.*"-"/d' \ + -e '/^#.*git_version\.h/d' \ -e 's#\.[0-9][0-9]*\.c#'"$file.c#" \ -e 's/^[ ]*#[ ]*line/#/' \ -e '/^# *[0-9][0-9]* *[".\/]/!d' \ @@ -155,53 +197,43 @@ for file in `$cat .clist`; do -e 's|\.c\.c|.c|' $uwinfix | \ $uniq | $sort | $uniq >> .deptmp else - $cppstdin $finc -I. $cppflags $cppminus .cout 2>.cerr $sed \ -e '1d' \ -e '/^#.*/d' \ + -e '/^#.*/d' \ + -e '/^#.*/d' \ + -e '/^#.*/d' \ + -e '/^#.*/d' \ -e '/^#.*"-"/d' \ + -e '/^#.*"\/.*\/"/d' \ + -e '/: file path prefix .* never used$/d' \ + -e '/^#.*git_version\.h/d' \ -e 's#\.[0-9][0-9]*\.c#'"$file.c#" \ -e 's/^[ ]*#[ ]*line/#/' \ -e '/^# *[0-9][0-9]* *[".\/]/!d' \ -e 's/^.*"\(.*\)".*$/'$filebase'\$(OBJ_EXT): \1/' \ -e 's/^# *[0-9][0-9]* \(.*\)$/'$filebase'\$(OBJ_EXT): \1/' \ -e 's|: \./|: |' \ - -e 's|\.c\.c|.c|' $uwinfix | \ + -e 's|\.c\.c|.c|' $uwinfix .cout .cerr| \ $uniq | $sort | $uniq >> .deptmp fi + echo "$filebase\$(OBJ_EXT): $@" >> .deptmp done $sed <$mf >$mf.new -e '1,/^# AUTOMATICALLY/!d' -$MAKE shlist || ($echo "Searching for .SH files..."; \ - $echo *.SH | $tr ' ' $trnl | $egrep -v '\*' >.shlist) - -# Now extract the dependencies on makedepend.SH and Makefile.SH -# (they should reside in the main Makefile): -rm -f .shlist.old -mv .shlist .shlist.old -$egrep -v '^makedepend\.SH' <.shlist.old >.shlist -rm -f .shlist.old -mv .shlist .shlist.old -$egrep -v '^Makefile\.SH' <.shlist.old >.shlist -rm -f .shlist.old -mv .shlist .shlist.old -$egrep -v '^perl_exp\.SH' <.shlist.old >.shlist -rm -f .shlist.old -mv .shlist .shlist.old -$egrep -v '^config_h\.SH' <.shlist.old >.shlist -rm .shlist.old - if $test -s .deptmp; then - for file in `cat .shlist`; do - $echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \ - $sh $file >> .deptmp - done $echo "Updating $mf..." $echo "# If this runs make out of memory, delete /usr/include lines." \ >> $mf.new - $sed 's|^\(.*\$(OBJ_EXT):\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" .deptmp \ - >>$mf.new + if [ "$osname" = vos ]; then + $sed 's|\.incl\.c|.h|' .deptmp >.deptmp.vos + mv -f .deptmp.vos .deptmp + fi + $sed -e 's|^\(.*\$(OBJ_EXT):\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" \ + -e 'h; s/mini\(perlmain\)/\1/p; g' \ + .deptmp >>$mf.new else $MAKE hlist || ($echo "Searching for .h files..."; \ $echo *.h | $tr ' ' $trnl | $egrep -v '\*' >.hlist) @@ -220,10 +252,6 @@ else $sed -f .hsed >> $mf.new <.deptmp $sed -n 's|h:#include "\(.*\)".*$|h: \1|p' | \ $sed -f .hsed >> $mf.new - for file in `$cat .shlist`; do - $echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \ - $sh $file >> $mf.new - done fi $rm -f $mf.old $cp $mf $mf.old @@ -231,14 +259,9 @@ $rm -f $mf $cp $mf.new $mf $rm $mf.new $echo "# WARNING: Put nothing here or make depend will gobble it up!" >> $mf -$rm -rf .deptmp UU .shlist .clist .hlist .hsed +$rm -rf .deptmp UU .clist .hlist .hsed .cout .cerr +rmdir .depending !NO!SUBS! $eunicefix makedepend chmod +x makedepend -case `pwd` in -*SH) - $rm -f ../makedepend - ln makedepend ../makedepend - ;; -esac