X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/dfe9444ca7881e716e9e8feaf20b55da491363ca..e3f5895267dc3c7c3d00a8a63089f587b76db399:/makedepend.SH diff --git a/makedepend.SH b/makedepend.SH index dceca0b..600288f 100755 --- a/makedepend.SH +++ b/makedepend.SH @@ -1,5 +1,5 @@ #! /bin/sh -case $CONFIG in +case $PERL_CONFIG_SH in '') if test -f config.sh; then TOP=.; elif test -f ../config.sh; then TOP=..; @@ -25,18 +25,26 @@ $startsh # makedepend.SH # MAKE=$make +trnl='$trnl' !GROK!THIS! $spitshell >>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 \$\$) -case $CONFIG in +case $PERL_CONFIG_SH in '') if test -f config.sh; then TOP=.; elif test -f ../config.sh; then TOP=..; @@ -50,6 +58,11 @@ case $CONFIG in ;; esac +# Avoid localized gcc messages +case "$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 @@ -57,6 +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 @@ -94,71 +111,132 @@ esac $test -d UU || mkdir UU $MAKE clist || ($echo "Searching for .c files..."; \ - $echo *.c | $tr ' ' '\012' | $egrep -v '\*' >.clist) + $echo *.c | $tr ' ' $trnl | $egrep -v '\*' >.clist) for file in `$cat .clist`; do # for file in `cat /dev/null`; do + 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 - $cppstdin $finc -I/usr/local/include -I. $cppflags $cppminus /d' \ - -e '/^#.*"-"/d' \ - -e 's#\.[0-9][0-9]*\.c#'"$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|' | \ - $uniq | $sort | $uniq >> .deptmp + + # We're not sure why this was there; the #endif is extraneous on modern z/OS + #if [ "$osname" = os390 -a "$file" = perly.c ]; then + # $echo '#endif' >>UU/$file.c + #fi + + if [ "$osname" = os390 ]; then + $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' \ + -e 's/^.*"\(.*\)".*$/'$filebase'\$(OBJ_EXT): \1/' \ + -e 's/^# *[0-9][0-9]* \(.*\)$/'$filebase'\$(OBJ_EXT): \1/' \ + -e 's|: \./|: |' \ + -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 .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 ' ' '\012' | $egrep -v '\*' >.shlist) - -# Now extract the dependencies on makedepend.SH and Makefile.SH -# (they should reside in the main Makefile): -mv .shlist .shlist.old -$egrep -v '^makedepend\.SH' <.shlist.old >.shlist -mv .shlist .shlist.old -$egrep -v '^Makefile\.SH' <.shlist.old >.shlist -mv .shlist .shlist.old -$egrep -v '^perl_exp\.SH' <.shlist.old >.shlist -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 ' ' '\012' | $egrep -v '\*' >.hlist) + $echo *.h | $tr ' ' $trnl | $egrep -v '\*' >.hlist) $echo "You don't seem to have a proper C preprocessor. Using grep instead." $egrep '^#include ' `cat .clist` `cat .hlist` >.deptmp $echo "Updating $mf..." @@ -174,10 +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 @@ -185,14 +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