dev-build/libtool: Sync with Gentoo

It's from Gentoo commit 6e800f1450f65e2c213a672796515d1135adcac3.

sdk_container/src/third_party/portage-stable/dev-build/libtool/Manifest

@@ -1,2 +1,3 @@
 DIST libtool-2.4.7.tar.xz 1016040 BLAKE2B 5e022586337637dd634bd40578ad944bec6e3b8de41f95d55777b90cc88cbc4badb3d76cbf0e638166ece1ea7de828e83590e1e6bac30c1e4b1c254a11a742f2 SHA512 47f4c6de40927254ff9ba452612c0702aea6f4edc7e797f0966c8c6bf0340d533598976cdba17f0bdc64545572e71cd319bbb587aa5f47cd2e7c1d96f873a3da
 DIST libtool-2.5.3.tar.xz 1050076 BLAKE2B e7bc3421d2273851f894583b879c897239bddaef00dc335176f00ce971d3c77e4d4304ae3b1d1b97d4b6b1b4fd9859ddc0eb5dcadac2e0de959b68cae973f726 SHA512 7a2b86716b2cbefcd45bda7f65af81fcb0aaa3dce96b09f417d6b94721a4dd9e72a9552862783d998ddf785e509315bb49f65c464dbc949d58e36f0960cf9b1b
+DIST libtool-2.5.4.tar.xz 1056924 BLAKE2B 47de3c49a690d44d7ddd5e3b5e4090c91dc5fbb9c40fc4a3963e150fb7329326ee3e21b8c149974726171c4b0380028e0efc7a369c4f04357eea46f69852e1cc SHA512 eed207094bcc444f4bfbb13710e395e062e3f1d312ca8b186ab0cbd22dc92ddef176a0b3ecd43e02676e37bd9e328791c59a38ef15846d4eae15da4f20315724

sdk_container/src/third_party/portage-stable/dev-build/libtool/libtool-2.5.4.ebuild

@@ -0,0 +1,150 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Please bump with dev-libs/libltdl.
+
+# bug #225559
+LIBTOOLIZE="true"
+WANT_LIBTOOL="none"
+inherit autotools flag-o-matic prefix multiprocessing
+
+if [[ ${PV} == *9999 ]] ; then
+	EGIT_REPO_URI="https://git.savannah.gnu.org/git/libtool.git"
+	inherit git-r3
+elif false && ! [[ $(( $(ver_cut 2) % 2 )) -eq 0 ]] ; then
+	SRC_URI="https://alpha.gnu.org/gnu/${PN}/${P}.tar.xz"
+else
+	SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+fi
+
+DESCRIPTION="A shared library tool for developers"
+HOMEPAGE="https://www.gnu.org/software/libtool/"
+
+LICENSE="GPL-2"
+SLOT="2"
+IUSE="vanilla"
+
+RDEPEND="
+	sys-devel/gnuconfig
+	>=dev-build/autoconf-2.69:*
+	>=dev-build/automake-1.13:*
+"
+DEPEND="${RDEPEND}"
+[[ ${PV} == *9999 ]] && BDEPEND="sys-apps/help2man"
+
+# Note that we have more patches in https://gitweb.gentoo.org/proj/elt-patches.git/
+# for package builds. The patches here are just those which are definitely fine
+# for the system-wide libtool installation as well.
+PATCHES=(
+	# bug #109105
+	"${FILESDIR}"/${PN}-2.4.3-use-linux-version-in-fbsd.patch
+	# bug #581314
+	"${FILESDIR}"/${PN}-2.4.6-ppc64le.patch
+
+	"${FILESDIR}"/${PN}-2.2.6a-darwin-module-bundle.patch
+	"${FILESDIR}"/${PN}-2.4.6-darwin-use-linux-version.patch
+)
+
+src_prepare() {
+	if [[ ${PV} == *9999 ]] ; then
+		eapply "${FILESDIR}"/${PN}-2.4.6-pthread.patch # bug #650876
+		./bootstrap || die
+	else
+		PATCHES+=(
+			"${FILESDIR}"/${PN}-2.4.6-pthread_bootstrapped.patch # bug #650876
+		)
+	fi
+
+	# WARNING: File build-aux/ltmain.sh is read-only; trying to patch anyway
+	chmod +w build-aux/ltmain.sh || die
+
+	if use vanilla ; then
+		eapply_user
+		return 0
+	else
+		default
+	fi
+
+	if use prefix ; then
+		# seems that libtool has to know about EPREFIX a little bit
+		# better, since it fails to find prefix paths to search libs
+		# from, resulting in some packages building static only, since
+		# libtool is fooled into thinking that libraries are unavailable
+		# (argh...). This could also be fixed by making the gcc wrapper
+		# return the correct result for -print-search-dirs (doesn't
+		# include prefix dirs ...).
+		eapply "${FILESDIR}"/${PN}-2.2.10-eprefix.patch
+		eprefixify m4/libtool.m4
+	fi
+
+	pushd libltdl >/dev/null || die
+	AT_NOELIBTOOLIZE=yes eautoreconf
+	popd >/dev/null || die
+	AT_NOELIBTOOLIZE=yes eautoreconf
+
+	# Make sure timestamps don't trigger a rebuild of man pages. #556512
+	if [[ ${PV} != *9999 ]] ; then
+		touch doc/*.1 || die
+		export HELP2MAN=true
+	fi
+}
+
+src_configure() {
+	# the libtool script uses bash code in it and at configure time, tries
+	# to find a bash shell.  if /bin/sh is bash, it uses that.  this can
+	# cause problems for people who switch /bin/sh on the fly to other
+	# shells, so just force libtool to use /bin/bash all the time.
+	# Do not bother hardcoding the full path to sed.
+	# Just rely on $PATH. bug #574550
+	export CONFIG_SHELL="${EPREFIX}"/bin/bash
+	export ac_cv_path_SED="sed"
+	export ac_cv_path_EGREP="grep -E"
+	export ac_cv_path_EGREP_TRADITIONAL="grep -E"
+	export ac_cv_path_FGREP="grep -F"
+	export ac_cv_path_GREP="grep"
+	export ac_cv_path_lt_DD="dd"
+
+	local myeconfargs=(
+		# Split into dev-libs/libltdl
+		--disable-ltdl-install
+
+		# Tests break otherwise (when porting to EAPI 8)
+		# https://lists.gnu.org/archive/html/bug-libtool/2014-10/msg00013.html
+		--enable-static
+	)
+
+	[[ ${CHOST} == *-darwin* ]] && myeconfargs+=( "--program-prefix=g" )
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+src_test() {
+	(
+		# The testsuite is sensitive to warnings, expects static
+		# archives to really be archives (not compiler IR), etc.
+		strip-flags
+		filter-flags -fno-semantic-interposition
+		filter-flags '-Wstrict-aliasing=*' '-Werror=*'
+		filter-lto
+
+		emake -Onone check \
+			CFLAGS="${CFLAGS}" \
+			CXXFLAGS="${CXXFLAGS}" \
+			FFLAGS="${FFLAGS}" \
+			FCFLAGS="${FCFLAGS}" \
+			LDFLAGS="${LDFLAGS}" \
+			TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
+	)
+}
+
+src_install() {
+	default
+
+	local x
+	while read -d $'\0' -r x ; do
+		ln -sf "${EPREFIX}"/usr/share/gnuconfig/${x##*/} "${x}" || die
+	done < <(find "${ED}" '(' -name config.guess -o -name config.sub ')' -print0)
+}