#!/bin/sh

#

# Generate dependencies from a list of source files

# Check to make sure our environment variables are set

if test x"$SOURCES" = x -o x"$output" = x; then

echo "SOURCES, 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

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|'`

if test x"$ext" = x"rc"; then

obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.o|g"`

else

obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.lo|g"`

fi

echo "\$(objects)/$obj: $src \\" >>${output}.new

search_deps $src | sort | uniq >>${output}.new

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) $src -o \$@

__EOF__

;;

S) cat >>${output}.new <<__EOF__

\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src -o \$@

__EOF__

;;

rc) cat >>${output}.new <<__EOF__

\$(WINDRES) $src \$@

__EOF__

;;

*) echo "Unknown file extension: $ext";;

esac

echo "" >>${output}.new

done

mv ${output}.new ${output}

rm -f ${cache_prefix}*