dev-lang/ada-bootstrap: install gcc-config-style symlinks

Needed for the logic in toolchain.eclass to match what we do for
sys-devel/gcc.

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 203 insertions, 0 deletions

diff --git a/dev-lang/ada-bootstrap/ada-bootstrap-0_p2021-r1.ebuild b/dev-lang/ada-bootstrap/ada-bootstrap-0_p2021-r1.ebuild
new file mode 100644
index 000000000000..a254049ff182
--- /dev/null
+++ b/dev-lang/ada-bootstrap/ada-bootstrap-0_p2021-r1.ebuild
@@ -0,0 +1,203 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MYP=gcc-10-${PV##*_p}-20210519-19A74-src
+GNATDIR=gnat-${PV##*_p}-20210519-19A70-src
+INTFDIR=gcc-interface-10-${PV##*_p}-20210519-19A75-src
+BTSTRP_X86=gnat-gpl-2014-x86-linux-bin
+BTSTRP_AMD64=gnat-gpl-2014-x86_64-linux-bin
+BASE_URI=https://community.download.adacore.com/v1
+
+inherit flag-o-matic toolchain-funcs
+
+DESCRIPTION="GNAT Ada Compiler - GPL version"
+HOMEPAGE="http://libre.adacore.com/"
+SRC_URI="
+	${BASE_URI}/005d2b2eff627177986d2517eb31e1959bec6f3a?filename=${GNATDIR}.tar.gz
+		-> ${GNATDIR}.tar.gz
+	${BASE_URI}/44cd393be0b468cc253bf2cf9cf7804c993e7b5b?filename=${MYP}.tar.gz
+		-> ${MYP}.tar.gz
+	${BASE_URI}/8ace7d06e469d36d726cc8badb0ed78411e727f3?filename=${INTFDIR}.tar.gz
+		-> ${INTFDIR}.tar.gz
+	amd64? (
+		${BASE_URI}/6eb6eef6bb897e4c743a519bfebe0b1d6fc409c6?filename=${BTSTRP_AMD64}.tar.gz&rand=1193
+		-> ${BTSTRP_AMD64}.tar.gz
+	)
+	x86? (
+		${BASE_URI}/c5e9e6fdff5cb77ed90cf8c62536653e27c0bed6?filename=${BTSTRP_X86}.tar.gz&rand=436
+		-> ${BTSTRP_X86}.tar.gz
+	)
+"
+S="${WORKDIR}"/${MYP}
+
+LICENSE="GPL-2 GPL-3"
+SLOT="0" # TODO: slot based on GCC version used
+KEYWORDS="-* ~amd64 ~x86"
+RESTRICT="test"
+
+BDEPEND="
+	app-alternatives/yacc
+	sys-devel/binutils:*
+	>=sys-devel/flex-2.5.4
+"
+DEPEND="
+	>=dev-libs/gmp-4.3.2:=
+	>=dev-libs/mpfr-2.4.2:=
+	>=dev-libs/mpc-0.8.1:=
+	sys-libs/zlib
+	virtual/libiconv
+"
+RDEPEND="${DEPEND}"
+
+pkg_pretend() {
+	if tc-is-clang; then
+		die "${P} does not build with clang. It is bootstrapped."
+	fi
+}
+
+src_prepare() {
+	local bundledchost
+	case ${ARCH} in
+		amd64)
+			BTSTRP=${BTSTRP_AMD64}
+			bundledchost="x86_64"
+			;;
+		x86)
+			BTSTRP=${BTSTRP_X86}
+			bundledchost="i686"
+			;;
+		*)
+			die "Unknown \${ARCH}=${ARCH}!"
+			;;
+	esac
+
+	local cleanup
+	for cleanup in as ld ; do
+		rm "${WORKDIR}"/${BTSTRP}/libexec/gcc/${bundledchost}-pc-linux-gnu/4.7.4/${cleanup} || die
+
+		ln -s "${BROOT}"/usr/bin/${CHOST}-${cleanup} \
+			"${WORKDIR}"/${BTSTRP}/libexec/gcc/${bundledchost}-pc-linux-gnu/4.7.4/${cleanup} || die
+	done
+
+	export GCC="${WORKDIR}"/${BTSTRP}/bin/gcc
+
+	gnatbase=$(basename ${GCC})
+	gnatpath=$(dirname ${GCC})
+	GNATMAKE=${gnatbase/gcc/gnatmake}
+	if [[ ${gnatpath} != "." ]] ; then
+		GNATMAKE="${gnatpath}/${GNATMAKE}"
+	fi
+
+	export CC=${GCC}
+	export CXX="${gnatbase/gcc/g++}"
+	export GNATBIND="${gnatbase/gcc/gnatbind}"
+	export GNATLINK="${gnatbase/gcc/gnatlink}"
+	export GNATLS="${gnatbase/gcc/gnatls}"
+	if [[ ${gnatpath} != "." ]] ; then
+		CXX="${gnatpath}/${CXX}"
+		GNATBIND="${gnatpath}/${GNATBIND}"
+		GNATLINK="${gnatpath}/${GNATLINK}"
+		GNATLS="${gnatpath}/${GNATLS}"
+	fi
+
+	mkdir bin || die
+	local tool
+	for tool in gnat{make,bind,link,ls} ; do
+		ln -s $(type -P ${tool^^}) bin/${tool} || die
+		ln -s $(type -P ${tool^^}) bin/${bundledchost}-pc-linux-gnu-${tool} || die
+	done
+	ln -s $(type -P ${GCC}) bin/gcc || die
+	ln -s $(type -P ${GCC}) bin/${bundledchost}-pc-linux-gnu-gcc || die
+	ln -s $(type -P ${CXX}) bin/g++ || die
+	ln -s $(type -P ${CXX}) bin/${bundledchost}-pc-linux-gnu-g++ || die
+
+	cd .. || die
+	mv ${GNATDIR}/src/ada ${MYP}/gcc/ || die
+	mv ${INTFDIR} ${MYP}/gcc/ada/gcc-interface || die
+	eapply "${FILESDIR}"/${P}-gentoo.patch
+	cd - || die
+
+	sed -i \
+		-e 's:-fcf-protection":":' \
+		libiberty/configure \
+		lto-plugin/configure || die
+	sed -i \
+		-e 's:$(P) ::g' \
+		gcc/ada/gcc-interface/Makefile.in \
+		|| die "sed failed"
+	default
+}
+
+src_configure() {
+	local adabdir=/usr/lib/${PN}
+	local prefix=${EPREFIX}${adabdir}
+	local -x PATH=${PWD}/bin:${PATH}
+
+	# This version is GCC 4.7.4 with a bolted-on newer GNAT; be very
+	# conservative, we just want it to build for bootstrapping proper
+	# sys-devel/gcc[ada]. We don't need it to be fast.
+	strip-flags
+	strip-unsupported-flags
+	filter-lto
+	append-flags -O2
+	append-flags -fno-strict-aliasing
+
+	local conf=(
+		--{doc,info,man}dir=/.skip # let the real gcc handle docs
+		MAKEINFO=: #922230
+		--prefix="${prefix}"
+		--disable-bootstrap
+		--disable-cc1
+		--disable-cet
+		--disable-gcov #843989
+		--disable-gomp
+		--disable-nls # filename collisions
+		--disable-libcc1
+		--disable-libquadmath
+		--disable-libsanitizer
+		--disable-libssp
+		--disable-libvtv
+		--disable-shared
+		--disable-werror
+		--enable-languages=ada
+		--with-gcc-major-version-only
+		--with-system-zlib
+		--without-isl
+		--without-zstd
+		--disable-multilib
+	)
+
+	# libstdc++ may misdetect sys/sdt.h on systemtap-enabled system and fail
+	# (not passed in conf_gcc above given it is lost in sub-configure calls)
+	local -x glibcxx_cv_sys_sdt_h=no
+
+	mkdir "${WORKDIR}"/build || die
+	cd "${WORKDIR}"/build
+	ECONF_SOURCE="${S}" econf "${conf[@]}"
+}
+
+src_compile() {
+	emake -C "${WORKDIR}"/build MAKEINFO=: V=1
+}
+
+src_install() {
+	# -j1 to match bug #906155, other packages may be fragile too
+	emake -C "${WORKDIR}"/build -j1 MAKEINFO=: V=1 DESTDIR="${D}" install
+
+	# Make `gcc-config`-style symlinks
+	local tool
+	cd "${ED}"/usr/lib/ada-bootstrap/bin || die
+	for tool in gnat{,bind,chop,clean,kr,link,ls,make,name,prep} ; do
+		ln -s ${tool} ${CBUILD}-${tool} || die
+		ln -s ${tool} ${CBUILD}-${tool}-10 || die
+	done
+
+	# Delete libdep.a, which has a colliding name and is useless for bpf,
+	# which does not make use of cross-library dependencies: the libdep.a
+	# for the native binutils will do.
+	rm -f "${ED}"/${adabdir}/lib/bfd-plugins/libdep.a || die
+}
+
+# TODO: pkg_postinst warning/log?