# $Id$

AC_DEFUN([ACX_LIBHSM],[
	AC_ARG_WITH(libhsm, 
        	AC_HELP_STRING([--with-libhsm=PATH],[Specify prefix of path of libhsm]),
        	[
			LIBHSM_PATH="$withval"
		],[
			LIBHSM_PATH="/usr/local"
		])

	AC_MSG_CHECKING(what are the libhsm includes)
	LIBHSM_INCLUDES="-I$LIBHSM_PATH/include"
	AC_MSG_RESULT($LIBHSM_INCLUDES)

	AC_MSG_CHECKING(what are the libhsm libs)
	LIBHSM_LIBS="-L$LIBHSM_PATH/lib -lhsm"
	AC_MSG_RESULT($LIBHSM_INCLUDES)

	tmp_CPPFLAGS=$CPPFLAGS
	tmp_LIBS=$LIBS

	CPPFLAGS="$CPPFLAGS $XML2_INCLUDES $LIBHSM_INCLUDES"
	LIBS="$LIBS -L$LIBHSM_PATH/lib"

	BUILD_LIBHSM=""
	
	ACX_ABS_SRCDIR # defines ac_sub_srcdir as an absolute path
	
	# dnl ok we don't have an installed library, use the source
	# (makefile will figure it out)
	if test ! -f $ac_sub_srcdir/../../libhsm/src/libhsm.h; then
		if test ! -f $ac_sub_srcdir/../libhsm/src/libhsm.h; then
			AC_CHECK_HEADERS(libhsm.h, [
				AC_CHECK_LIB(hsm,hsm_create_context,, [
					AC_MSG_ERROR([libhsm not found on system, and libhsm source not present, use --with-libhsm=path.])
				])
			], [
				AC_MSG_ERROR([libhsm headers not found in source tree or on system])
			])
		else
			LIBHSM_INCLUDES="$LIBHSM_INCLUDE -I$ac_sub_srcdir/../libhsm/src"
			LIBHSM_LIBS="$LIBHSM_LIBS -L../../libhsm/src/.libs"
			BUILD_LIBHSM="../../libhsm/src/libhsm.la"
		fi
	else
		LIBHSM_INCLUDES="$LIBHSM_INCLUDE -I$ac_sub_srcdir/../../libhsm/src"
		LIBHSM_LIBS="$LIBHSM_LIBS -L../../libhsm/src/.libs"
		BUILD_LIBHSM="../../libhsm/src/.libs/libhsm.la"
	fi

	CPPFLAGS=$tmp_CPPFLAGS
	LIBS=$tmp_LIBS

	AC_SUBST(BUILD_LIBHSM)
	AC_SUBST(LIBHSM_INCLUDES)
	AC_SUBST(LIBHSM_LIBS)
])