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|
#! /bin/sh
case $PERL_CONFIG_SH in
'')
if test -f config.sh; then TOP=.;
elif test -f ../config.sh; then TOP=..;
elif test -f ../../config.sh; then TOP=../..;
elif test -f ../../../config.sh; then TOP=../../..;
elif test -f ../../../../config.sh; then TOP=../../../..;
else
echo "Can't find config.sh."; exit 1
fi
. $TOP/config.sh
;;
esac
: This forces SH files to create target in same directory as SH file.
: This is so that make depend always knows where to find SH derivatives.
case "$0" in
*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
esac
echo "Extracting makedepend_file (with variable substitutions)"
rm -f makedepend_file
$spitshell >makedepend_file <<!GROK!THIS!
$startsh
# makedepend_file.SH
#
MAKE=$make
trnl='$trnl'
!GROK!THIS!
$spitshell >>makedepend_file <<'!NO!SUBS!'
file=$1
shift
outfile=$1
shift
case $PERL_CONFIG_SH in
'')
if test -f config.sh; then TOP=.;
elif test -f ../config.sh; then TOP=..;
elif test -f ../../config.sh; then TOP=../..;
elif test -f ../../../config.sh; then TOP=../../..;
elif test -f ../../../../config.sh; then TOP=../../../..;
else
echo "Can't find config.sh."; exit 1
fi
. $TOP/config.sh
;;
esac
# Avoid localized gcc messages
case "$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
# an older one lying about in /usr/local/bin.
PATH=".$path_sep..$path_sep$PATH"
export PATH
case "$osname" in
amigaos) cat=/bin/cat ;; # must be absolute
esac
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= ;;
esac
$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 '}' | $grep -v ":" ) >UU/$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
$cppstdin $finc -I. $cppflags $cppminus <UU/$file.c |
$sed \
-e '/^#.*<stdin>/d' \
-e '/^#.*"-"/d' \
-e '/^#.*git_version\.h/d' \
-e 's#\.[0-9][0-9]*\.c#'"$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 | $uniq >>$outfile
else
$cppstdin $finc -I. $cppflags $cppminus <UU/$file.c >$$.cout 2>$$.cerr
$sed \
-e '1d' \
-e '/^#.*<stdin>/d' \
-e '/^#.*<builtin>/d' \
-e '/^#.*<built-in>/d' \
-e '/^#.*<command line>/d' \
-e '/^#.*<command-line>/d' \
-e '/^#.*"-"/d' \
-e '/^#.*"\/.*\/"/d' \
-e '/: file path prefix .* never used$/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 | $uniq >>$outfile
rm $$.cout
rm $$.cerr
fi
$echo "$filebase\$(OBJ_EXT): $@" >>$outfile
!NO!SUBS!
$eunicefix makedepend_file
chmod +x makedepend_file
|
