dev-libs/libksba: Sync with Gentoo

It's from Gentoo commit 0bf386e412822b87e81fbc4c31b11e4ef0ce30de.

Signed-off-by: Flatcar Buildbot <buildbot@flatcar-linux.org>

sdk_container/src/third_party/portage-stable/dev-libs/libksba/Manifest

@@ -1,2 +1,4 @@
 DIST libksba-1.6.7.tar.bz2 706437 BLAKE2B 95f51bc9a0a7ee14b91089aded3a420cf2f986a1599e39e36dc46fd0b71bef465af9c6576c19516d0aadae67399eca69ae0448239216ba486812884ebefa1ae7 SHA512 60cb9df9f502ca479818f45b78c4bc2b78f6f359be2b8da489ea98f8896a43ab2c20cf97526b79a3220fb32f1701e62a6481fe61e91e567186ecf4f33d8e64d3
 DIST libksba-1.6.7.tar.bz2.sig 119 BLAKE2B 74b3fd7682ae526c7430fe3792f873838c366ec0de1d80b699370a8cefdfdfc386f883b1d45df8df62e64d9de992f4bbfa7f74cfbb38419694f1a11ff1d3110a SHA512 97df523f0640f8fed0c3c7603218058021475d5b0e47a36610aa88312a6bb5f302e1e2016f5721a9077d0d27b35b28c7c96d9843866c957c965b2c580d3ee60b
+DIST libksba-1.6.8.tar.bz2 716917 BLAKE2B 13efba4f1f22de8e149049443ac1b68dea75c7526678f0a462c6922fb2f6de71c8c20d6c41b726e3083076f201576645b2f9181340fa2c49ca4de2ed1f6064fb SHA512 23522376b4ce89c9847d464723ba6052e410d2450dcd10e0da3f07e074c1169585823eea30a70aa572f4e8ec86121844476eeb90c8599dd21f22eab71333d5a8
+DIST libksba-1.6.8.tar.bz2.sig 147 BLAKE2B 354363b66c12e72d1a5dcc888d74a9ce13f0154038f809e459b8d073c67665ac4434ee1198cd5d6a3ff011325802da5b5eace9ca41878db4f333fdeb08a0b9a8 SHA512 ac5fadfc57219aa5b350d9e8572c0389f58e9a9730fc38bc7a967b5345e7b2f7d5575517a1080577046a4a0d8ad9bced37bfb17f267a3b9be9bc03a486819c06

sdk_container/src/third_party/portage-stable/dev-libs/libksba/libksba-1.6.8.ebuild

@@ -0,0 +1,63 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Maintainers should:
+# 1. Join the "Gentoo" project at https://dev.gnupg.org/project/view/27/
+# 2. Subscribe to release tasks like https://dev.gnupg.org/T6159
+# (find the one for the current release then subscribe to it +
+# any subsequent ones linked within so you're covered for a while.)
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/gnupg.asc
+# in-source builds are not supported: https://dev.gnupg.org/T6313#166339
+inherit toolchain-funcs out-of-source verify-sig libtool
+
+DESCRIPTION="X.509 and CMS (PKCS#7) library"
+HOMEPAGE="https://www.gnupg.org/related_software/libksba"
+SRC_URI="mirror://gnupg/${PN}/${P}.tar.bz2"
+SRC_URI+=" verify-sig? ( mirror://gnupg/${PN}/${P}.tar.bz2.sig )"
+
+LICENSE="LGPL-3+ GPL-2+ GPL-3"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~arm64-macos ~x64-macos ~x64-solaris"
+IUSE="static-libs"
+
+RDEPEND=">=dev-libs/libgpg-error-1.33"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	app-alternatives/yacc
+	verify-sig? ( sec-keys/openpgp-keys-gnupg )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.6.0-no-fgrep-ksba-config.patch
+)
+
+src_prepare() {
+	default
+
+	elibtoolize  # necessary on Solaris for shared lib support
+}
+
+my_src_configure() {
+	export CC_FOR_BUILD="$(tc-getBUILD_CC)"
+
+	local myeconfargs=(
+		--disable-valgrind-tests
+		$(use_enable static-libs static)
+
+		GPG_ERROR_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpg-error-config"
+		LIBGCRYPT_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-libgcrypt-config"
+		GPGRT_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpgrt-config"
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+my_src_install() {
+	default
+
+	# People need to use ksba-config for --cflags and --libs
+	find "${ED}" -type f -name '*.la' -delete || die
+}