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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit gnatbuild
DESCRIPTION="GNAT Ada Compiler - gcc version"
HOMEPAGE="https://gcc.gnu.org/"
LICENSE="GMGPL"
IUSE="doc"
BOOT_SLOT="4.4"
# SLOT is set in gnatbuild.eclass, depends only on PV (basically SLOT=GCCBRANCH)
# so the URI's are static.
SRC_URI="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${PV}/gcc-core-${PV}.tar.bz2
ftp://gcc.gnu.org/pub/gcc/releases/gcc-${PV}/gcc-ada-${PV}.tar.bz2
amd64? ( https://dev.gentoo.org/~george/src/gnatboot-${BOOT_SLOT}-amd64.tar.bz2 )
sparc? ( https://dev.gentoo.org/~george/src/gnatboot-${BOOT_SLOT}-sparc.tar.bz2 )
x86? ( https://dev.gentoo.org/~george/src/gnatboot-${BOOT_SLOT}-i686.tar.bz2 )"
# ppc? ( mirror://gentoo/gnatboot-${BOOT_SLOT}-ppc.tar.bz2 )
KEYWORDS="~amd64 ~x86"
# starting with 4.3.0 gnat needs these libs
RDEPEND=">=dev-libs/mpfr-3.0.1
>=dev-libs/gmp-5.0
>=sys-libs/zlib-1.2
>=sys-libs/ncurses-5.7:0"
DEPEND="${RDEPEND}
doc? ( sys-apps/texinfo )
>=sys-devel/bison-1.875
>=sys-libs/glibc-2.8
>=sys-devel/binutils-2.20"
#QA_EXECSTACK="${BINPATH:1}/gnatls ${BINPATH:1}/gnatbind ${BINPATH:1}/gnatmake
# ${LIBEXECPATH:1}/gnat1 ${LIBPATH:1}/adalib/libgnat-${SLOT}.so"
src_unpack() {
gnatbuild_src_unpack
#fixup some hardwired flags
cd "${S}"/gcc/ada
# universal gcc -> gnatgcc substitution occasionally produces lines too long
# and then build halts on the style check.
#
sed -i -e 's:gnatgcc:gcc:' osint.ads switch.ads ||
die "reversing [gnat]gcc substitution in comments failed"
# gcc pretty much ignores --with-system-zlib. At least it still descends
# into zlib and does configure and build there (gcc bug@7125?). For whatever
# reason this conflicts with multilib in gcc-4.4..
sed -i -e "s:libgui zlib:libgui:" "${S}"/configure
}
src_compile() {
# work-around for downgrading texinfo. See bug #483192
if use doc ; then
if has_version ">=sys-apps/texinfo-5.1" ; then
ewarn "Disabling info docs. Please downgrade texinfo to less than 5.x or"
ewarn "use ${PN}-4.6 instead (as upstream has only patched 4.6 and higher)."
epatch "${FILESDIR}"/${P}-tex-version-workaround.patch
fi
else
elog "Disabling info docs."
epatch "${FILESDIR}"/${P}-tex-version-workaround.patch
fi
# looks like gnatlib_and_tools and gnatlib_shared have become part of
# bootstrap
gnatbuild_src_compile configure make-tools bootstrap
}
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