# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/gnat.eclass,v 1.11 2005/12/15 12:06:30 george Exp $
#
# Author: David Holm <dholm@gentoo.org>
#
# This eclass contains some common settings for gnat based ada stuff
# It also strips some flags to bring C[XX]FLAGS in cpmpliance with gcc-2.8.1


inherit flag-o-matic

EXPORT_FUNCTIONS pkg_setup

DEPEND="dev-lang/gnat"

DESCRIPTION="Based on the ${ECLASS} eclass"

gnat_filter_flags() {
	case ${SLOT} in
		"3.15" | "0")
			filter-mfpmath sse 387
			filter-flags -mmmx -msse -mfpmath -frename-registers \
				-fprefetch-loop-arrays -falign-functions=4 -falign-jumps=4 \
				-falign-loops=4 -msse2 -frerun-loop-opt -maltivec -mabi=altivec \
				-fsigned-char -fno-strict-aliasing -pipe

			export ADACFLAGS=${ADACFLAGS//-Os/-O2}
			export ADACFLAGS=${ADACFLAGS//pentium-mmx/i586}
			export ADACFLAGS=${ADACFLAGS//pentium[234]/i686}
			export ADACFLAGS=${ADACFLAGS//k6-[23]/k6}
			export ADACFLAGS=${ADACFLAGS//athlon-tbird/i686}
			export ADACFLAGS=${ADACFLAGS//athlon-4/i686}
			export ADACFLAGS=${ADACFLAGS//athlon-[xm]p/i686}
			#the following two break on amd64, but 3.15 does not run there anyway
			export ADACFLAGS=${ADACFLAGS//athlon64/i686}
			export ADACFLAGS=${ADACFLAGS//athlon/i686}
			;;
		"3.4x")
			#all the flags above are in gcc-3.4.x, so should be Ok in general
			#will add/expand upon any reports..
			;;
	esac
}

gnat_pkg_setup() {
	export ADAC=${ADAC:-gnatgcc}
	export ADAMAKE=${ADAMAKE:-gnatmake}
	export ADABIND=${ADABIND:-gnatbind}

	gnat_filter_flags
	export ADACFLAGS=${ADACFLAGS:-${CFLAGS}}
	export ADAMAKEFLAGS=${ADAMAKEFLAGS:-"-cargs ${ADACFLAGS} -margs"}
	export ADABINDFLAGS=${ADABINDFLAGS:-""}
}