As per discussion on -dev list. Also revbumped to updated VDB.
Acked-by: hasufell <hasufell@gentoo.org>
Package-Manager: portage-2.2.20.1
--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+inherit gnatbuild
+
+DESCRIPTION="GNAT Ada Compiler - gcc version"
+HOMEPAGE="https://gcc.gnu.org/"
+LICENSE="GMGPL"
+
+IUSE="doc lto" # doc and lto from gnatbuild.eclass
+
+# 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-${SLOT}-amd64.tar.bz2 )
+ x86? ( https://dev.gentoo.org/~george/src/gnatboot-${SLOT}-i686.tar.bz2 )
+ ppc? ( https://dev.gentoo.org/~george/src/gnatboot-4.1-ppc.tar.bz2 )"
+# sparc? ( mirror://gentoo/gnatboot-${BOOT_SLOT}-sparc.tar.bz2 )
+
+KEYWORDS="~amd64 ~ppc ~x86"
+
+# starting with 4.3.0 gnat needs these libs
+RDEPEND=">=dev-libs/mpfr-2.3.1:*
+ >=dev-libs/gmp-4.2.2:*
+ >=sys-libs/zlib-1.1.4
+ >=sys-libs/ncurses-5.2-r2:0"
+
+DEPEND="${RDEPEND}
+ <sys-apps/texinfo-5.1
+ >=sys-devel/bison-1.875
+ >=sys-libs/glibc-2.8
+ >=sys-devel/binutils-2.15.94"
+
+#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
+
+ # newly added zlib dir is processed by configure even with
+ # --with-systtem-zlib passed, causing toruble on multilib
+ rm -rf "${S}"/zlib
+
+ #fixup some hardwired flags
+ cd "${S}"/gcc/ada
+
+ # universal gcc -> gnatgcc substitution occasionally produces lines too long
+ # and then build halts on the style check.
+ #
+ # The sed in makegpr.adb is actually not for the line length but rather to
+ # "undo" the fixing, Last3 is matching just that - the last three characters
+ # of the compiler name.
+ sed -i -e 's:(Last3 = "gnatgcc"):(Last3 = "gcc"):' makegpr.adb &&
+ sed -i -e 's:and Nam is "gnatgcc":and Nam is "gcc":' osint.ads ||
+ die "reversing [gnat]gcc substitution in comments failed"
+}
+
+src_compile() {
+ # looks like gnatlib_and_tools and gnatlib_shared have become part of
+ # bootstrap
+ gnatbuild_src_compile configure make-tools bootstrap
+}
--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+inherit gnatbuild
+
+DESCRIPTION="GNAT Ada Compiler - gcc version"
+HOMEPAGE="https://gcc.gnu.org/"
+LICENSE="GMGPL"
+
+IUSE=""
+
+BOOT_SLOT="4.3"
+
+# 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-${SLOT}-amd64.tar.bz2 )
+ sparc? ( https://dev.gentoo.org/~george/src/gnatboot-${SLOT}-sparc.tar.bz2 )
+ x86? ( https://dev.gentoo.org/~george/src/gnatboot-${SLOT}-i686.tar.bz2 )"
+# ppc? ( mirror://gentoo/gnatboot-${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="${RDEPEND}
+ <sys-apps/texinfo-5.1
+ >=sys-devel/bison-1.875
+ >=sys-libs/glibc-2.8
+ >=sys-devel/binutils-2.20"
+
+#QA_EXECSTACK="${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 "${S}"/gcc/ada
+
+ # universal gcc -> gnatgcc substitution occasionally produces lines too long
+ # and then build halts on the style check.
+ #
+ sed -i -e 's:and Nam is "gnatgcc":and Nam is "gcc":' osint.ads ||
+ die "reversing [gnat]gcc substitution in comments failed"
+
+ # gcc pretty much ignores --with-system-zlib. At least it still descends
+ # into zlib and does configure and build there (gcc bug@7125?). For whatever
+ # reason this conflicts with multilib in gcc-4.4..
+ sed -i -e "s:libgui zlib:libgui:" "${S}"/configure
+}
+
+src_compile() {
+ # looks like gnatlib_and_tools and gnatlib_shared have become part of
+ # bootstrap
+ gnatbuild_src_compile configure make-tools bootstrap
+}
--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+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
+}
--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+inherit gnatbuild
+
+DESCRIPTION="GNAT Ada Compiler - gcc version"
+HOMEPAGE="https://gcc.gnu.org/"
+LICENSE="GMGPL"
+
+IUSE="doc lto openmp"
+
+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-3.1.2
+ >=dev-libs/gmp-5.1.3
+ >=dev-libs/mpc-1.0.1
+ >=sys-libs/zlib-1.2
+ >=sys-libs/ncurses-5.7:0"
+
+DEPEND="${RDEPEND}
+ doc? ( >=sys-apps/texinfo-5 )
+ >=sys-devel/bison-1.875
+ >=sys-libs/glibc-2.8
+ >=sys-devel/binutils-2.20"
+
+src_unpack() {
+ gnatbuild_src_unpack
+
+ #fixup some hardwired flags
+ cd "${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() {
+ # looks like gnatlib_and_tools and gnatlib_shared have become part of
+ # bootstrap
+ gnatbuild_src_compile configure make-tools bootstrap
+}