dev-libs/libgcrypt: pass -Wl,--undefined-version for other linkers if supported

Revbump as it's a library.

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 175 insertions, 0 deletions

diff --git a/dev-libs/libgcrypt/libgcrypt-1.10.3-r1.ebuild b/dev-libs/libgcrypt/libgcrypt-1.10.3-r1.ebuild
new file mode 100644
index 000000000000..58bb08a334e1
--- /dev/null
+++ b/dev-libs/libgcrypt/libgcrypt-1.10.3-r1.ebuild
@@ -0,0 +1,175 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/gnupg.asc
+inherit autotools flag-o-matic linux-info multilib-minimal toolchain-funcs verify-sig
+
+DESCRIPTION="General purpose crypto library based on the code used in GnuPG"
+HOMEPAGE="https://www.gnupg.org/"
+SRC_URI="mirror://gnupg/${PN}/${P}.tar.bz2"
+SRC_URI+=" verify-sig? ( mirror://gnupg/${PN}/${P}.tar.bz2.sig )"
+
+LICENSE="LGPL-2.1 MIT"
+SLOT="0/20" # subslot = soname major version
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="+asm cpu_flags_arm_neon cpu_flags_arm_aes cpu_flags_arm_sha1 cpu_flags_arm_sha2 cpu_flags_ppc_altivec cpu_flags_ppc_vsx2 cpu_flags_ppc_vsx3 cpu_flags_x86_aes cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_padlock cpu_flags_x86_sha cpu_flags_x86_sse4_1 doc +getentropy static-libs"
+
+# Build system only has --disable-arm-crypto-support right now
+# If changing this, update src_configure logic too.
+# ARM CPUs seem to, right now, support all-or-nothing for crypto extensions,
+# but this looks like it might change in future. This is just a safety check
+# in case people somehow do have a CPU which only supports some. They must
+# for now disable them all if that's the case.
+REQUIRED_USE="
+	cpu_flags_arm_aes? ( cpu_flags_arm_sha1 cpu_flags_arm_sha2 )
+	cpu_flags_arm_sha1? ( cpu_flags_arm_aes cpu_flags_arm_sha2 )
+	cpu_flags_arm_sha2? ( cpu_flags_arm_aes cpu_flags_arm_sha1 )
+	cpu_flags_ppc_vsx3? ( cpu_flags_ppc_altivec cpu_flags_ppc_vsx2 )
+	cpu_flags_ppc_vsx2? ( cpu_flags_ppc_altivec )
+"
+
+RDEPEND="
+	>=dev-libs/libgpg-error-1.25[${MULTILIB_USEDEP}]
+	getentropy? (
+		kernel_linux? (
+			elibc_glibc? ( >=sys-libs/glibc-2.25 )
+			elibc_musl? ( >=sys-libs/musl-1.1.20 )
+		)
+	)
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	doc? ( virtual/texi2dvi )
+	verify-sig? ( sec-keys/openpgp-keys-gnupg )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-multilib-syspath.patch
+	"${FILESDIR}"/${PN}-powerpc-darwin.patch
+	"${FILESDIR}"/${PN}-1.9.4-no-fgrep-libgcrypt-config.patch
+)
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/libgcrypt-config
+)
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} == buildonly ]]; then
+		return
+	fi
+	if use kernel_linux && use getentropy; then
+		unset KV_FULL
+		get_running_version
+		if [[ -n ${KV_FULL} ]] && kernel_is -lt 3 17; then
+			eerror "The getentropy function requires the getrandom syscall."
+			eerror "This was introduced in Linux 3.17."
+			eerror "Your system is currently running Linux ${KV_FULL}."
+			eerror "Disable the 'getentropy' USE flag or upgrade your kernel."
+			die "Kernel is too old for getentropy"
+		fi
+	fi
+}
+
+pkg_setup() {
+	:
+}
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+multilib_src_configure() {
+	if [[ ${CHOST} == *86*-solaris* ]] ; then
+		# ASM code uses GNU ELF syntax, divide in particular, we need to
+		# allow this via ASFLAGS, since we don't have a flag-o-matic
+		# function for that, we'll have to abuse cflags for this
+		append-cflags -Wa,--divide
+	fi
+
+	if [[ ${CHOST} == powerpc* ]] ; then
+		# ./configure does a lot of automagic, prevent that
+		# generic ppc32+ppc64 altivec
+		use cpu_flags_ppc_altivec || local -x gcry_cv_cc_ppc_altivec=no
+		use cpu_flags_ppc_altivec || local -x gcry_cv_cc_ppc_altivec_cflags=no
+		# power8 vector extension, aka arch 2.07 ISA, also checked below via ppc-crypto-support
+		use cpu_flags_ppc_vsx2 || local -x gcry_cv_gcc_inline_asm_ppc_altivec=no
+		# power9 vector extension, aka arch 3.00 ISA
+		use cpu_flags_ppc_vsx3 || local -x gcry_cv_gcc_inline_asm_ppc_arch_3_00=no
+	fi
+
+	# Workaround for GCC < 11.3 bug
+	# https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commitdiff;h=0b399721ce9709ae25f9d2050360c5ab2115ae29
+	# https://dev.gnupg.org/T5581
+	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102124
+	if use arm64 && tc-is-gcc && (($(gcc-major-version) == 11)) &&
+		(($(gcc-minor-version) <= 2)) && (($(gcc-micro-version) == 0)) ; then
+		append-flags -fno-tree-loop-vectorize
+	fi
+
+	append-ldflags $(test-flags-CCLD -Wl,--undefined-version)
+
+	local myeconfargs=(
+		CC_FOR_BUILD="$(tc-getBUILD_CC)"
+
+		--enable-noexecstack
+		$(use_enable cpu_flags_arm_neon neon-support)
+		# See REQUIRED_USE comment above
+		$(use_enable cpu_flags_arm_aes arm-crypto-support)
+		$(use_enable cpu_flags_ppc_vsx2 ppc-crypto-support)
+		$(use_enable cpu_flags_x86_aes aesni-support)
+		$(use_enable cpu_flags_x86_avx avx-support)
+		$(use_enable cpu_flags_x86_avx2 avx2-support)
+		$(use_enable cpu_flags_x86_padlock padlock-support)
+		$(use_enable cpu_flags_x86_sha shaext-support)
+		$(use_enable cpu_flags_x86_sse4_1 sse41-support)
+		# required for sys-power/suspend[crypt], bug 751568
+		$(use_enable static-libs static)
+
+		# disabled due to various applications requiring privileges
+		# after libgcrypt drops them (bug #468616)
+		--without-capabilities
+
+		# http://trac.videolan.org/vlc/ticket/620
+		$([[ ${CHOST} == *86*-darwin* ]] && echo "--disable-asm")
+
+		$(use asm || echo "--disable-asm")
+
+		GPG_ERROR_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpg-error-config"
+	)
+
+	if use kernel_linux; then
+		# --enable-random=getentropy requires getentropy/getrandom.
+		# --enable-random=linux enables legacy code that tries getrandom
+		# and falls back to reading /dev/random.
+		myeconfargs+=( --enable-random=$(usex getentropy getentropy linux) )
+	fi
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}" \
+		$("${S}/configure" --help | grep -o -- '--without-.*-prefix')
+}
+
+multilib_src_compile() {
+	default
+	multilib_is_native_abi && use doc && VARTEXFONTS="${T}/fonts" emake -C doc gcrypt.pdf
+}
+
+multilib_src_test() {
+	# t-secmem and t-sexp need mlock which requires extra privileges; nspawn
+	# at least disallows that by default.
+	local -x GCRYPT_IN_ASAN_TEST=1
+
+	default
+}
+
+multilib_src_install() {
+	emake DESTDIR="${D}" install
+	multilib_is_native_abi && use doc && dodoc doc/gcrypt.pdf
+}
+
+multilib_src_install_all() {
+	default
+	find "${ED}" -type f -name '*.la' -delete || die
+}