#!/bin/sh
# This script is part of Bakefile (http://www.bakefile.org) autoconf
# script. It is used to track C/C++ files dependencies in portable way.
#
# Permission is given to use this file in any way.
DEPSMODE=gcc
DEPSDIR=.deps
DEPSFLAG="-MMD"
mkdir -p $DEPSDIR
if test $DEPSMODE = gcc ; then
$* ${DEPSFLAG}
status=$?
# determine location of created files:
while test $# -gt 0; do
case "$1" in
-o )
shift
objfile=$1
;;
-* )
;;
* )
srcfile=$1
;;
esac
shift
done
depfile=`basename $srcfile | sed -e 's/\..*$/.d/g'`
depobjname=`echo $depfile |sed -e 's/\.d/.o/g'`
# if the compiler failed, we're done:
if test ${status} != 0 ; then
rm -f $depfile
exit ${status}
fi
# move created file to the location we want it in:
if test -f $depfile ; then
sed -e "s,$depobjname:,$objfile:,g" $depfile >${DEPSDIR}/${objfile}.d
rm -f $depfile
else
# "g++ -MMD -o fooobj.o foosrc.cpp" produces fooobj.d
depfile=`basename $objfile | sed -e 's/\..*$/.d/g'`
if test ! -f $depfile ; then
# "cxx -MD -o fooobj.o foosrc.cpp" creates fooobj.o.d (Compaq C++)
depfile="$objfile.d"
fi
if test -f $depfile ; then
sed -e "/^$objfile/!s,$depobjname:,$objfile:,g" $depfile >${DEPSDIR}/${objfile}.d
rm -f $depfile
fi
fi
exit 0
elif test $DEPSMODE = mwcc ; then
$* || exit $?
# Run mwcc again with -MM and redirect into the dep file we want
# NOTE: We can't use shift here because we need $* to be valid
prevarg=
for arg in $* ; do
if test "$prevarg" = "-o"; then
objfile=$arg
else
case "$arg" in
-* )
;;
* )
srcfile=$arg
;;
esac
fi
prevarg="$arg"
done
$* $DEPSFLAG >${DEPSDIR}/${objfile}.d
exit 0
elif test $DEPSMODE = unixcc; then
$* || exit $?
# Run compiler again with deps flag and redirect into the dep file.
# It doesn't work if the '-o FILE' option is used, but without it the
# dependency file will contain the wrong name for the object. So it is
# removed from the command line, and the dep file is fixed with sed.
cmd=""
while test $# -gt 0; do
case "$1" in
-o )
shift
objfile=$1
;;
* )
eval arg$#=\$1
cmd="$cmd \$arg$#"
;;
esac
shift
done
eval "$cmd $DEPSFLAG" | sed "s|.*:|$objfile:|" >${DEPSDIR}/${objfile}.d
exit 0
else
$*
exit $?
fi