sys-devel/m4: Sync with Gentoo

It's from Gentoo commit cbf8f467f4d321163fe941fe7b5bc186c968ae40.

sdk_container/src/third_party/portage-stable/sys-devel/m4/Manifest

@@ -1,7 +1,5 @@
 DIST m4-1.4.19-test-198-sysval-r1.patch.gz 6292 BLAKE2B 62f52c8bb75e7b8f11e487906f1ce47069ea6d3095fd6532aa6b47bcd8109b7cd733fde26915d449a1cfc326f27f5ed83ba29a5a80687b8b9bdb73c8d87e96b8 SHA512 c3e7d4c1631e401c6b5477c22fd5de837188acf9d72551b116c665a927d1799b1fb249e90c9fb4f6f2f328ee84b2e4dd0bf54f684139997c19ee5b69a3e9284d
-DIST m4-1.4.19.60-6ebfc.tar.xz 2031984 BLAKE2B d6001b14a4f4bb5bb163463331b9e24469b6b48f690c88796b4d2ca57dc3c31046eb7ece0c2593941aa1b5a0e90e2aa0d85b000e135742286bf90cc7f5d09b57 SHA512 bcb801404ff8f4146e59e8baadae02f5dfac1ce3f860118122430e4facae098628e915d8ee9386abb3c133a0cc2b7c98170a57687c9d85aaa6f130b061b7810f
-DIST m4-1.4.19.60-6ebfc.tar.xz.sig 488 BLAKE2B 71f9c4aec3e981816eda83032474b4d9acccc628c79a5dd9a5e2a077e4f3f30fa6f59fb29ed7e0c1ae7148a4605584b65653eacaee7d06ba006fa2dcb7e425c1 SHA512 5e89d23c7879eb4970f05a6e8fb37eb1b17ece4204bb86cc16bcbb4f4705263725ac70b286c2454249a8a33728784a2434e498deccbbd367424ceef91a36b164
-DIST m4-1.4.19.65-bdd9.tar.xz 2038192 BLAKE2B 47a719ce90486ffa819b05173225ce3d7e6669be238bd8df5bb37f81dc30e95fc7a3c717940b97543f87b547b3db58607d9fe35c967609c04174f5204da93994 SHA512 f74ea0305e3ccde89633a7f6e4acd05ec4f68defc3d4aedea635f93f99555ceea1fed2bf3cca6386bcf7994e879e67f6f4c9a64b59636047b26e282e42e735c3
-DIST m4-1.4.19.65-bdd9.tar.xz.sig 488 BLAKE2B 281e3300b02fc92dd03bd38faa082f5394536dcebf7c87ec33b0b2bb5a94ebff1a2233c8aaeb23b17f436e2b40c90ee1d68e5a59d208306242688710f797c6d5 SHA512 c33bd351b73616fc3e7cd7292403af9f0001fedbd005a7cd115180005f3fffd0a58b37422b70c638302cf5c3a65bb723c3b916bc237be0f687b2a190b4162fe7
 DIST m4-1.4.19.tar.xz 1654908 BLAKE2B 08694485a49c542761fa9a7db4d7609f4dfb08a5c6b785b57f2e14cf1f696c2a1c788bb5eb934e8159a632b63ff071dfe42511d0109d7b1828f46d33c8bf416a SHA512 47f595845c89709727bda0b3fc78e3188ef78ec818965b395532e7041cabe9e49677ee4aca3d042930095a7f8df81de3da1026b23b6897be471f6cf13ddd512b
 DIST m4-1.4.19.tar.xz.sig 488 BLAKE2B 99e89b1ed0bf158d29a652392fb122e23227e895c75a8c63057ebe33f11b433ab205ae99a991578a89df8c3e723fc00669d8cdb290fbc86eaa6c704b112e4370 SHA512 d6ac9c6a54c57e9b53fb3e34a60d49df2f46a6e494da0a0c9ae8246b984e68a853b5d8c42677c1a0485c3f36b0bce10a481d3775c0edc1dbdfb27b43545bc31e
+DIST m4-1.4.20.tar.xz 2044756 BLAKE2B d8e6716dd4f35e17b866917f0697f980d7b6fbfa9aa92feb1234fdb49fb62107dc48405036a8ca97db73889d7638b90b69ea005352992b7bf45e8605127b318f SHA512 dc7b4f61452e564b095010029bf6ce4246e5a03959989cd76b09eb8012db7424c52819143020fab21a3471ff57ab026d3eccbd00dd3969819208980565a9fec0
+DIST m4-1.4.20.tar.xz.sig 488 BLAKE2B a202c6d8f7d65bf8f4936ec5d18bce768fe80ab485905cce051339fffdecbdd191f73b25675770648536ee24c2b161416e924b6acd30c1d8d00a425174f0a439 SHA512 bc75a64e47a87fe4073f26850a8344e82d15f156ac5b52cde1af701a0ba4e0d18f414323f86c868f114c4867b00c31ce205a9505343e588ad97825b05136c5eb

sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.19_p20250413.ebuild

@@ -1,92 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/m4.asc
-inherit verify-sig
-
-DESCRIPTION="GNU macro processor"
-HOMEPAGE="https://www.gnu.org/software/m4/m4.html"
-if [[ ${PV} == *_p* ]] ; then
-	# Note: could put this in devspace, but if it's gone, we don't want
-	# it in tree anyway. It's just for testing.
-	MY_SNAPSHOT="$(ver_cut 1-3).60-6ebfc"
-	SRC_URI="
-		https://alpha.gnu.org/gnu/${PN}/${PN}-${MY_SNAPSHOT}.tar.xz
-		https://people.redhat.com/eblake/${PN}/${PN}-${MY_SNAPSHOT}.tar.xz
-		verify-sig? (
-			https://alpha.gnu.org/gnu/${PN}/${PN}-${MY_SNAPSHOT}.tar.xz.sig
-			https://people.redhat.com/eblake/${PN}/${PN}-${MY_SNAPSHOT}.tar.xz.sig
-		)
-	"
-	S="${WORKDIR}"/${PN}-${MY_SNAPSHOT}
-else
-	SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
-	SRC_URI+=" verify-sig? ( mirror://gnu/${PN}/${P}.tar.xz.sig )"
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
-fi
-
-LICENSE="GPL-3+"
-SLOT="0"
-IUSE="examples nls"
-
-RDEPEND="
-	virtual/libiconv
-	nls? (
-		sys-devel/gettext
-		virtual/libintl
-	)
-"
-DEPEND="${RDEPEND}"
-# Remember: cannot dep on autoconf since it needs us
-BDEPEND="
-	app-arch/xz-utils
-	nls? ( sys-devel/gettext )
-	verify-sig? ( sec-keys/openpgp-keys-m4 )
-"
-
-src_prepare() {
-	default
-
-	# touch generated files after patching m4, to avoid activating maintainer
-	# mode
-	# remove when loong-fix-build.patch is no longer necessary
-	#touch ./aclocal.m4 ./lib/config.hin ./configure ./doc/stamp-vti || die
-	#find . -name Makefile.in -exec touch {} + || die
-}
-
-src_configure() {
-	local -a myeconfargs=(
-		--enable-changeword
-
-		--with-packager="Gentoo Linux"
-		--with-packager-version="${PVR}"
-		--with-packager-bug-reports="https://bugs.gentoo.org/"
-
-		$(usex nls '' '--disable-nls')
-
-		# Disable automagic dependency over libsigsegv; see bug #278026
-		ac_cv_libsigsegv=no
-	)
-
-	econf "${myeconfargs[@]}"
-}
-
-src_test() {
-	[[ -d /none ]] && die "m4 tests will fail with /none/" # bug #244396
-	emake check
-}
-
-src_install() {
-	default
-
-	# autoconf-2.60 for instance, first checks gm4, then m4.  If we don't have
-	# gm4, it might find gm4 from outside the prefix on for instance Darwin
-	use prefix && dosym m4 /usr/bin/gm4
-
-	if use examples ; then
-		dodoc -r examples
-		rm -f "${ED}"/usr/share/doc/${PF}/examples/Makefile*
-	fi
-}

sdk_container/src/third_party/portage-stable/sys-devel/m4/m4-1.4.20.ebuild

@@ -4,7 +4,7 @@
 EAPI=8
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/m4.asc
-inherit verify-sig
+inherit flag-o-matic verify-sig
 
 DESCRIPTION="GNU macro processor"
 HOMEPAGE="https://www.gnu.org/software/m4/m4.html"
@@ -57,6 +57,9 @@ src_prepare() {
 }
 
 src_configure() {
+	# see https://bugs.gentoo.org/955947
+	append-flags -Wno-error=format-security
+
 	local -a myeconfargs=(
 		--enable-changeword