sys-apps/diffutils: Sync with Gentoo

It's from Gentoo commit 73ef85b71ec2ad54dca85bca7730fb2acafba1e3.

sdk_container/src/third_party/portage-stable/sys-apps/diffutils/diffutils-3.8.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2022 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -17,7 +17,7 @@ SRC_URI="mirror://gnu/diffutils/${P}.tar.xz
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 IUSE="nls static"
 
 BDEPEND="nls? ( sys-devel/gettext )

sdk_container/src/third_party/portage-stable/sys-apps/diffutils/diffutils-3.9-r1.ebuild

@@ -0,0 +1,65 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/diffutils.asc
+inherit flag-o-matic verify-sig
+
+DESCRIPTION="Tools to make diffs and compare files"
+HOMEPAGE="https://www.gnu.org/software/diffutils/"
+
+if [[ ${PV} == *_p* ]] ; then
+	# Subscribe to the 'platform-testers' ML to find these.
+	# Useful to test on our especially more niche arches and report issues upstream.
+	MY_COMMIT="43-2d50"
+	MY_P=${PN}-$(ver_cut 1-2).${MY_COMMIT}
+	SRC_URI="https://meyering.net/diff/${MY_P}.tar.xz"
+	SRC_URI+=" verify-sig? ( https://meyering.net/diff/${MY_P}.tar.xz.sig )"
+	S="${WORKDIR}"/${MY_P}
+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 ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+fi
+
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="nls static"
+
+BDEPEND="
+	nls? ( sys-devel/gettext )
+	verify-sig? ( sec-keys/openpgp-keys-diffutils )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-make-4.4-test-color.patch
+	"${FILESDIR}"/${P}-diff-D-option-regression.patch
+)
+
+src_prepare() {
+	default
+
+	# Needed because of ${P}-diff-D-option-regression.patch
+	touch man/diff.1 || die
+}
+
+src_configure() {
+	use static && append-ldflags -static
+
+	# Disable automagic dependency over libsigsegv; see bug #312351.
+	export ac_cv_libsigsegv=no
+
+	# required for >=glibc-2.26, bug #653914
+	use elibc_glibc && export gl_cv_func_getopt_gnu=yes
+
+	local myeconfargs=(
+		# Interferes with F_S (sets F_S=2)
+		--disable-gcc-warnings
+		--with-packager="Gentoo"
+		--with-packager-version="${PVR}"
+		--with-packager-bug-reports="https://bugs.gentoo.org/"
+		$(use_enable nls)
+	)
+	econf "${myeconfargs[@]}"
+}

sdk_container/src/third_party/portage-stable/sys-apps/diffutils/diffutils-3.9.ebuild

@@ -20,7 +20,7 @@ if [[ ${PV} == *_p* ]] ; then
 else
 	SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
 	SRC_URI+=" verify-sig? ( mirror://gnu/${PN}/${P}.tar.xz.sig )"
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 fi
 
 LICENSE="GPL-2"

sdk_container/src/third_party/portage-stable/sys-apps/diffutils/files/diffutils-3.9-diff-D-option-regression.patch

@@ -0,0 +1,27 @@
+https://debbugs.gnu.org/cgi/bugreport.cgi?bug=61193
+https://git.savannah.gnu.org/cgit/groff.git/commit/?id=10274fb69e517b2c4b10fcd0ba3347e5bd0eefd7
+https://git.savannah.gnu.org/cgit/diffutils.git/commit/?id=ba08fbbb0ca5da455bf695236c57bc50e7faed50
+
+From ba08fbbb0ca5da455bf695236c57bc50e7faed50 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Fri, 10 Feb 2023 15:33:40 -0800
+Subject: diff: fix bug where -D does not work
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Problem reported by Robert Webb (bug#61193).
+* src/diff.c (main): Omit stray ‘sizeof’.
+* tests/ifdef: New test.
+* tests/Makefile.am (TESTS): Add it.
+--- a/src/diff.c
++++ b/src/diff.c
+@@ -416,7 +416,7 @@ main (int argc, char **argv)
+ 	    char *base = b;
+ 	    int changes = 0;
+ 
+-	    for (i = 0; i < sizeof sizeof C_ifdef_group_formats; i++)
++	    for (i = 0; i < sizeof C_ifdef_group_formats; i++)
+ 	      {
+ 		char ch = C_ifdef_group_formats[i];
+ 		switch (ch)