# This script acts as a simple interface for building extensions.
# It primarily used by the perl Makefile:
#
# d_dummy $(dynamic_ext): miniperl preplibrary FORCE
#        ext/util/make_ext dynamic $@
#
# It may be deleted in a later release of perl so try to
# avoid using it for other purposes.

linktype=$1
extspec=$2

case $CONFIG 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 generated by Configure"; exit 1
    fi
    . $TOP/config.sh
    ;;
esac

if test "X$extspec" = X; then
	echo "make_ext: no extension specified"
	exit 1;
fi

# convert old style Name.a into ext/Name/Name.a format
case "$extspec" in
ext/*) ;;
*) extspec=`echo "$extspec" | sed -e 's:\(.*\)\.\(.*\):ext/\1/\1.\2:'`
esac

# get extension directory path, module name and depth
pname=`echo "$extspec" | sed -e 's:^ext/::' -e 's:/[^/]*$::'`
mname=`echo "$pname"   | sed -e 's!/!::!'`
depth=`echo "$pname"   | sed -e 's![^/][^/]*!..!g'`

if test ! -d "ext/$pname"; then
	echo "	Skipping $extspec (directory does not exist)"
	exit 0 # not an error ?
fi

# check link type and do any preliminaries
case "$linktype" in
static)  makeargs='CCCDLFLAGS=' ;;
dynamic) makeargs='' ;;
*)	echo "make_ext: unknown link type '$linktype'"; exit 1;;
'')	echo "make_ext: no link type specified (eg static or dynamic)"; exit 1;;
esac

echo ""
echo "	Making $mname ($linktype)"

cd ext/$pname

if test ! -f Makefile ; then
	test -f Makefile.PL && ../$depth/miniperl -I../$depth/lib Makefile.PL
fi
if test ! -f Makefile ; then
	test -f Makefile.SH && sh Makefile.SH
fi

make=${altmake-make}

$make config

$make $linktype $makeargs

exit $?