#!/bin/sh

#

# Generate dependencies from a list of source files

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

BUILDCC=$BUILDC

BUILDM=$BUILDC

BUILDASM="\\\$\\(LIBTOOL\\) --tag=CC --mode=compile \\\$\\(auxdir\\)/strip_fPIC.sh \\\$\\(NASM\\) \$src -o \\\$@"

# Check to make sure our environment variables are set

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

echo "SOURCES, INCLUDE, objects, 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

done

}

:>${output}.new

for src in $SOURCES

do echo "Generating dependencies for $src"

ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`

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

echo "$obj: $src \\" >>${output}.new

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

echo "" >>${output}.new

c) eval echo \\" $BUILDC\\" >>${output}.new;;

cc) eval echo \\" $BUILDCC\\" >>${output}.new;;

m) eval echo \\" $BUILDM\\" >>${output}.new;;

asm) eval echo \\" $BUILDASM\\" >>${output}.new;;

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

esac

echo "" >>${output}.new

done

mv ${output}.new ${output}