dev-util/gperf: Sync with Gentoo

It's from Gentoo commit ef010d11cc42876bedb1ac51427e1700ab5492e0.

sdk_container/src/third_party/portage-stable/dev-util/gperf/files/gperf-3.1-strncmp-decl-mismatch.patch

@@ -0,0 +1,28 @@
+https://bugs.gentoo.org/869134
+
+From 09844ce4ca3d5975469640cea9c5414d5c0baa44 Mon Sep 17 00:00:00 2001
+From: Bruno Haible <bruno@clisp.org>
+Date: Thu, 8 Sep 2022 04:45:03 +0200
+Subject: [PATCH] Fix a warning regarding strncmp.
+
+Reported by Sam James in <https://savannah.gnu.org/bugs/?63031>.
+
+* lib/getopt.c (strncmp): Declare with a prototype.
+--- a/lib/getopt.c
++++ b/lib/getopt.c
+@@ -194,7 +194,6 @@ static char *posixly_correct;
+    whose names are inconsistent.  */
+ 
+ extern char *getenv ();
+-extern int strncmp ();
+ 
+ static char *
+ my_index (const char *str, int chr)
+@@ -209,6 +208,7 @@ my_index (const char *str, int chr)
+ }
+ 
+ extern int strcmp (const char *, const char *);
++extern int strncmp (const char *, const char *, size_t);
+ extern size_t strlen (const char *);
+ 
+ #endif /* not __GNU_LIBRARY__ */

sdk_container/src/third_party/portage-stable/dev-util/gperf/gperf-3.1-r1.ebuild

@@ -0,0 +1,24 @@
+# Copyright 1999-2022 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/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-strncmp-decl-mismatch.patch
+)
+
+src_prepare() {
+	sed -i \
+		-e "/^CPPFLAGS /s:=:+=:" \
+		*/Makefile.in || die #444078
+
+	default
+}

sdk_container/src/third_party/portage-stable/dev-util/gperf/gperf-3.1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -9,7 +9,7 @@ SRC_URI="mirror://gnu/gperf/${P}.tar.gz"
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~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 ~x86-winnt"
+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 ~x86-winnt"
 
 src_prepare() {
 	sed -i \