pod/perlipc.pod patch

[perl5.git] / makedepend.SH

diff --git a/makedepend.SH b/makedepend.SH
index 35a5d7e..89f650d 100755 (executable)
--- a/makedepend.SH
+++ b/makedepend.SH
@@ -1,3 +1,4 @@
+#! /bin/sh
 case $CONFIG in
 '')
        if test -f config.sh; then TOP=.;
@@ -16,14 +17,16 @@ esac
 case "$0" in
 */*) cd `expr X$0 : 'X\(.*\)/'` ;;
 esac
+
 echo "Extracting makedepend (with variable substitutions)"
 rm -f makedepend
 $spitshell >makedepend <<!GROK!THIS!
 $startsh
-!GROK!THIS!
-$spitshell >>makedepend <<'!NO!SUBS!'
 # makedepend.SH
 #
+MAKE=$make
+!GROK!THIS!
+$spitshell >>makedepend <<'!NO!SUBS!'
 
 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh \$0; kill \$\$)
 
@@ -41,23 +44,34 @@ case $CONFIG in
        ;;
 esac
 
-PATH="$PATH:."
+# We need .. when we are in the x2p directory if we are using the
+# cppstdin wrapper script.
+# Put .. and . first so that we pick up the present cppstdin, not
+# an older one lying about in /usr/local/bin.
+PATH=".:..:$PATH"
 export PATH
 
 $cat /dev/null >.deptmp
 $rm -f *.c.c c/*.c.c
 if test -f Makefile; then
-    cp Makefile makefile
+    rm -f $firstmakefile
+    cp Makefile $firstmakefile
+    # On QNX, 'cp' preserves timestamp, so $firstmakefile appears
+    # to be out of date.  I don't know if OS/2 has touch, so do this:
+    case "$osname" in
+    os2) ;;
+    *) $touch $firstmakefile ;;
+    esac
 fi
-mf=makefile
+mf=$firstmakefile
 if test -f $mf; then
     defrule=`<$mf sed -n               \
-       -e '/^\.c\.o:.*;/{'             \
+       -e '/^\.c\$(OBJ_EXT):.*;/{'     \
        -e    's/\$\*\.c//'             \
        -e    's/^[^;]*;[        ]*//p' \
        -e    q                         \
        -e '}'                          \
-       -e '/^\.c\.o: *$/{'             \
+       -e '/^\.c\$(OBJ_EXT): *$/{'     \
        -e    N                         \
        -e    's/\$\*\.c//'             \
        -e    's/^.*\n[  ]*//p'         \
@@ -73,7 +87,7 @@ esac
 : might be identical
 $test -d UU || mkdir UU
 
-make clist || ($echo "Searching for .c files..."; \
+$MAKE clist || ($echo "Searching for .c files..."; \
        $echo *.c | $tr ' ' '\012' | $egrep -v '\*' >.clist)
 for file in `$cat .clist`; do
 # for file in `cat /dev/null`; do
@@ -85,7 +99,7 @@ for file in `$cat .clist`; do
     */*) finc="-I`echo $file | sed 's#/[^/]*$##`" ;;
     *)   finc= ;;
     esac
-    $echo "Finding dependencies for $filebase.o."
+    $echo "Finding dependencies for $filebase$obj_ext."
     ( $echo "#line 1 \"$file\""; \
       $sed -n <$file \
        -e "/^${filebase}_init(/q" \
@@ -101,8 +115,8 @@ for file in `$cat .clist`; do
        -e 's#\.[0-9][0-9]*\.c#'"$file.c#" \
        -e 's/^[         ]*#[    ]*line/#/' \
        -e '/^# *[0-9][0-9]* *[".\/]/!d' \
-       -e 's/^.*"\(.*\)".*$/'$filebase'.o: \1/' \
-       -e 's/^# *[0-9][0-9]* \(.*\)$/'$filebase'.o: \1/' \
+       -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
@@ -110,30 +124,43 @@ done
 
 $sed <$mf >$mf.new -e '1,/^# AUTOMATICALLY/!d'
 
-make shlist || ($echo "Searching for .SH files..."; \
+$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 \; \
-           /bin/sh $file >> .deptmp
+           $sh $file >> .deptmp
     done
     $echo "Updating $mf..."
     $echo "# If this runs make out of memory, delete /usr/include lines." \
        >> $mf.new
-    $sed 's|^\(.*\.o:\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" .deptmp \
+    $sed 's|^\(.*\$(OBJ_EXT):\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" .deptmp \
        >>$mf.new
 else
-    make hlist || ($echo "Searching for .h files..."; \
+    $MAKE hlist || ($echo "Searching for .h files..."; \
        $echo *.h | $tr ' ' '\012' | $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..."
     <.clist $sed -n                                                    \
        -e '/\//{'                                                      \
-       -e   's|^\(.*\)/\(.*\)\.c|\2.o: \1/\2.c; '"$defrule \1/\2.c|p"  \
+       -e   's|^\(.*\)/\(.*\)\.c|\2\$(OBJ_EXT): \1/\2.c; '"$defrule \1/\2.c|p" \
        -e   d                                                          \
        -e '}'                                                          \
-       -e 's|^\(.*\)\.c|\1.o: \1.c|p' >> $mf.new
+       -e 's|^\(.*\)\.c|\1\$(OBJ_EXT): \1.c|p' >> $mf.new
     <.hlist $sed -n 's|\(.*/\)\(.*\)|s= \2= \1\2=|p' >.hsed
     <.deptmp $sed -n 's|c:#include "\(.*\)".*$|o: \1|p' | \
        $sed 's|^[^;]*/||' | \
@@ -142,11 +169,12 @@ else
        $sed -f .hsed >> $mf.new
     for file in `$cat .shlist`; do
        $echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \
-           /bin/sh $file >> $mf.new
+           $sh $file >> $mf.new
     done
 fi
 $rm -f $mf.old
 $cp $mf $mf.old
+$rm -f $mf
 $cp $mf.new $mf
 $rm $mf.new
 $echo "# WARNING: Put nothing here or make depend will gobble it up!" >> $mf