sys-libs/gdbm: Sync with Gentoo

It's from Gentoo commit 2f0c92570ad92ea2969b7e07f7d4870f8b7f750f.

sdk_container/src/third_party/portage-stable/sys-libs/gdbm/Manifest

@@ -1,2 +1,4 @@
 DIST gdbm-1.24.tar.gz 1195931 BLAKE2B 79f49adbb455c2e1b91f3450037b71165fa8de82650d6402e0e22ee1f4d278fdb0bd78100659bf416e2409b432e1f8d32ecbae523980413f7148b80ee06c9f4b SHA512 401ff8c707079f21da1ac1d6f4714a87f224b6f41943078487dc891be49f51fd1ac7a32fd599aae0fad185f2c6ba7432616d328fd6aaab068eb54db9562ff7fa
 DIST gdbm-1.24.tar.gz.sig 95 BLAKE2B 3a66c2a256d9601db57df20feb5d72d1e94d23b7a92e3099f121549c8aa2c57b05a3021d88f97291819378462a68664af958de4c9de65887d2cca6642d172bc3 SHA512 a54595e0fd23724f5e30c2ff1b9656dbb6da3b448f4ab6a2579a523c11bae53e47d3843327a1e4499b312ab947ac73b5a9aa6e78fe5e932c55a1be0cdab4e63d
+DIST gdbm-1.25.tar.gz 1224180 BLAKE2B 6abf5f77823dda7ebcaa775d58f7a311c8f73c7521fe223398b5cb4b4831ad177cfd87fd42f2b24ca2fc5984af7d51abcc5e509ceb6aab2746a52aecb550654b SHA512 1785598665d7323eed052a55708903c6abaeafcfb66a9ceb69293f57c3fdbf49cd8a821ef23715a40bf7030d0067d1340d12279ed07afe040f912e53078e47f5
+DIST gdbm-1.25.tar.gz.sig 566 BLAKE2B 7740ca7be87eb3f33ff2fd330e35dd900786d9d6a589d466202a121e0e943d3037a75daf584f0b8c99cf10ffac388b1de732c19e43af62bb8da969980c7f65b7 SHA512 0abf5198f0e5ca9678d7741181724389be2289263d2a91c07a979c03f976e7cc494f39a5fbc4d8dbb8acacba463accf28ba0eba4907f1bfe2bac0ab2f4f5eede

sdk_container/src/third_party/portage-stable/sys-libs/gdbm/files/gdbm-1.25-musl.patch

@@ -0,0 +1,22 @@
+https://bugs.gentoo.org/951911
+https://puszcza.gnu.org.ua/bugs/index.php?649
+https://git.gnu.org.ua/gdbm.git/commit/?id=39ef0347f78ef691c9ad815360198f577043ce4c
+
+From 39ef0347f78ef691c9ad815360198f577043ce4c Mon Sep 17 00:00:00 2001
+From: Sergey Poznyakoff <gray@gnu.org>
+Date: Mon, 24 Mar 2025 07:56:00 +0200
+Subject: Add missing include
+
+* tools/gdbmapp.h: Include sys/types.h
+--- a/tools/gdbmapp.h
++++ b/tools/gdbmapp.h
+@@ -16,6 +16,7 @@
+ 
+ #include <stdlib.h>
+ #include <stdarg.h>
++#include <sys/types.h>
+ #include "gettext.h"
+ #ifdef HAVE_LOCALE_H
+ # include <locale.h>
+-- 
+cgit v1.2.3

sdk_container/src/third_party/portage-stable/sys-libs/gdbm/gdbm-1.25.ebuild

@@ -0,0 +1,68 @@
+# 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/gdbm.asc
+inherit libtool multilib-minimal multiprocessing verify-sig
+
+DESCRIPTION="Standard GNU database libraries"
+HOMEPAGE="https://www.gnu.org/software/gdbm/"
+SRC_URI="
+	mirror://gnu/gdbm/${P}.tar.gz
+	verify-sig? ( mirror://gnu/gdbm/${P}.tar.gz.sig )
+"
+
+LICENSE="GPL-3"
+SLOT="0/6" # libgdbm.so version
+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"
+IUSE="+berkdb nls +readline static-libs test"
+RESTRICT="!test? ( test )"
+
+DEPEND="readline? ( sys-libs/readline:=[${MULTILIB_USEDEP}] )"
+RDEPEND="${DEPEND}"
+BDEPEND="
+	test? ( dev-util/dejagnu )
+	verify-sig? ( >=sec-keys/openpgp-keys-gdbm-20250323 )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-musl.patch
+)
+
+src_prepare() {
+	default
+
+	# gdbm ships with very old libtool files, regen to avoid
+	# errors when cross-compiling.
+	elibtoolize
+}
+
+multilib_src_configure() {
+	# gdbm doesn't appear to use either of these libraries
+	export ac_cv_lib_dbm_main=no ac_cv_lib_ndbm_main=no
+
+	local myeconfargs=(
+		--includedir="${EPREFIX}"/usr/include/gdbm
+		$(use_enable berkdb libgdbm-compat)
+		$(use_enable nls)
+		$(use_enable static-libs static)
+		$(use_with readline)
+	)
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_test() {
+	emake -Onone check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	if ! use static-libs ; then
+		find "${ED}" -name '*.la' -delete || die
+	fi
+
+	mv "${ED}"/usr/include/gdbm/gdbm.h "${ED}"/usr/include/ || die
+}