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|
#!/bin/sh
#
# Generate dependencies from a list of source files
# Check to make sure our environment variables are set
if test x"$INCLUDE" = x -o x"$SOURCES" = x -o x"$output" = x; then
echo "SOURCES, INCLUDE, and output needs to be set"
exit 1
fi
cache_prefix=".#$$"
generate_var()
{
echo $1 | sed -e 's|^.*/||' -e 's|\.|_|g'
}
search_deps()
{
base=`echo $1 | sed 's|/[^/]*$||'`
grep '#include "' <$1 | sed -e 's|.*"\([^"]*\)".*|\1|' | \
while read file
do cache=${cache_prefix}_`generate_var $file`
if test -f $cache; then
: # We already ahve this cached
else
: >$cache
for path in $base `echo $INCLUDE | sed 's|-I||g'`
do dep="$path/$file"
if test -f "$dep"; then
echo " $dep \\" >>$cache
search_deps $dep >>$cache
break
fi
done
fi
cat $cache
done
}
:>${output}.new
for src in $SOURCES
do echo "Generating dependencies for $src"
ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.lo|g"`
echo "\$(objects)/$obj: $src \\" >>${output}.new
# No search to be done with Windows resource files
if test x"$ext" != x"rc"; then
search_deps $src | sort | uniq >>${output}.new
fi
case $ext in
c) cat >>${output}.new <<__EOF__
\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
__EOF__
;;
cc) cat >>${output}.new <<__EOF__
\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
__EOF__
;;
m) cat >>${output}.new <<__EOF__
\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
__EOF__
;;
asm) cat >>${output}.new <<__EOF__
\$(LIBTOOL) --tag=CC --mode=compile \$(auxdir)/strip_fPIC.sh \$(NASM) -I\$(srcdir)/src/hermes/ $src -o \$@
__EOF__
;;
S) cat >>${output}.new <<__EOF__
\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@
__EOF__
;;
rc) cat >>${output}.new <<__EOF__
\$(LIBTOOL) --tag=RC --mode=compile \$(WINDRES) $src -o \$@
__EOF__
;;
*) echo "Unknown file extension: $ext";;
esac
echo "" >>${output}.new
done
mv ${output}.new ${output}
rm -f ${cache_prefix}*
|
