dev-util/gperf: Sync with Gentoo

It's from Gentoo commit b977ded145274778cec27e8492f44bc1c50407cf.

sdk_container/src/third_party/portage-stable/dev-util/gperf/Manifest

@@ -1 +1,3 @@
 DIST gperf-3.1.tar.gz 1215925 BLAKE2B bc4c54ade3f7dce484714d77cb5759dcc02b7a607d7b1aff6bdbcd06ee4c83e9449038a7217d5f25bcbef058ba56e1fce9383b9599de005154e5a9b566ac9c69 SHA512 855ebce5ff36753238a44f14c95be7afdc3990b085960345ca2caf1a2db884f7db74d406ce9eec2f4a52abb8a063d4ed000a36b317c9a353ef4e25e2cca9a3f4
+DIST gperf-3.2-c++.patch.xz 2096 BLAKE2B acaf0d685434afe6eb5dc2cabc507b2ebff182af65d7297a4526af547280ab49ea030edca79500414420d590e4ba1493ad061a9018a48421243276228636164b SHA512 dd405440790fd30f4cf36f1be735900fc7b6850e5477f74482d24bd7c1ce9dbe3f795158c44901cff407e51bcba669be3798efa853ca182b796be5ff77db34d4
+DIST gperf-3.2.tar.gz 1268603 BLAKE2B 6c90d665ff6b7f07862668b250ce06c5df386e6c746398ecb7d40912ed1ca820455addb9ecd17650925b6ef7cd2ff00b8ed9174e55da16a410f84d87b244e8f8 SHA512 97addf85e5b6f801f0f7084ec065d0d4a24a07f3fb6e60e2bc57b0f8813bd5db1bb4bed4f51fb96d0a8b278ffde1dfd0e42302cae911a619b95cc3cc46254fb3

sdk_container/src/third_party/portage-stable/dev-util/gperf/files/gperf-3.2-tests.patch

@@ -0,0 +1,46 @@
+https://git.savannah.gnu.org/gitweb/?p=gperf.git;a=commit;h=1a8e476f99335ad5a553f24f1956a084fc6adc10
+
+From 1a8e476f99335ad5a553f24f1956a084fc6adc10 Mon Sep 17 00:00:00 2001
+From: Bruno Haible <bruno@clisp.org>
+Date: Wed, 9 Apr 2025 13:10:17 +0200
+Subject: [PATCH] Fix "make check" failure with an ISO C 23 conforming C
+ compiler.
+
+Prompted by
+<https://lists.gnu.org/archive/html/bug-gperf/2025-04/msg00002.html>.
+
+* tests/smtp.gperf (my_case_strcmp, main): Convert from K&R C syntax
+to ISO C 90 syntax.
+---
+ ChangeLog        | 8 ++++++++
+ tests/smtp.gperf | 8 ++------
+ 2 files changed, 10 insertions(+), 6 deletions(-)
+
+diff --git a/tests/smtp.gperf b/tests/smtp.gperf
+index da6ec7d..a5c448d 100644
+--- a/tests/smtp.gperf
++++ b/tests/smtp.gperf
+@@ -124,9 +124,7 @@ Xref
+ #include <ctype.h>
+ 
+ static int
+-my_case_strcmp (s1, s2)
+-     register const char *s1;
+-     register const char *s2;
++my_case_strcmp (const char *s1, const char *s2)
+ {
+   for (;;)
+     {
+@@ -143,9 +141,7 @@ my_case_strcmp (s1, s2)
+ }
+ 
+ int
+-main (argc, argv)
+-     int argc;
+-     char *argv[];
++main (int argc, char *argv[])
+ {
+   int i, j, k, n, exitcode;
+   size_t len;
+-- 
+2.17.1

sdk_container/src/third_party/portage-stable/dev-util/gperf/gperf-3.2-r1.ebuild

@@ -0,0 +1,30 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="A perfect hash function generator"
+HOMEPAGE="https://www.gnu.org/software/gperf/"
+SRC_URI="mirror://gnu/gperf/${P}.tar.gz"
+SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${P}-c++.patch.xz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+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"
+
+PATCHES=(
+	"${WORKDIR}"/${P}-c++.patch
+	"${FILESDIR}"/${P}-tests.patch
+)
+
+src_prepare() {
+	default
+
+	sed -i \
+		-e "/^CPPFLAGS /s:=:+=:" \
+		*/Makefile.in || die #444078
+}
+
+src_configure() {
+	econf --cache-file="${S}"/config.cache
+}

sdk_container/src/third_party/portage-stable/dev-util/gperf/gperf-3.2.ebuild

@@ -0,0 +1,24 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="A perfect hash function generator"
+HOMEPAGE="https://www.gnu.org/software/gperf/"
+SRC_URI="mirror://gnu/gperf/${P}.tar.gz"
+
+LICENSE="GPL-3+"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+
+src_prepare() {
+	default
+
+	sed -i \
+		-e "/^CPPFLAGS /s:=:+=:" \
+		*/Makefile.in || die #444078
+}
+
+src_configure() {
+	econf --cache-file="${S}"/config.cache
+}