commit:     13018c19395b7cbdb54ddbc0c4fefda0c077f536
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Wed Dec  4 22:56:37 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Wed Dec  4 22:58:32 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=13018c19

dev-libs/libgcrypt: fix hardcoded paths in libgcrypt-config

See https://forums.gentoo.org/viewtopic-t-1171999.html. Export cache
variables to rely on runtime PATH lookup instead.

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

 dev-libs/libgcrypt/libgcrypt-1.11.0-r2.ebuild | 187 ++++++++++++++++++++++++++
 1 file changed, 187 insertions(+)

diff --git a/dev-libs/libgcrypt/libgcrypt-1.11.0-r2.ebuild 
b/dev-libs/libgcrypt/libgcrypt-1.11.0-r2.ebuild
new file mode 100644
index 000000000000..4b77f2ee8add
--- /dev/null
+++ b/dev-libs/libgcrypt/libgcrypt-1.11.0-r2.ebuild
@@ -0,0 +1,187 @@
+# 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+ GPL-2+ MIT"
+SLOT="0/20" # subslot = soname major 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="+asm doc +getentropy static-libs"
+IUSE+=" cpu_flags_arm_neon cpu_flags_arm_aes cpu_flags_arm_sha1 
cpu_flags_arm_sha2 cpu_flags_arm_sve"
+IUSE+=" cpu_flags_ppc_altivec cpu_flags_ppc_vsx2 cpu_flags_ppc_vsx3"
+IUSE+=" cpu_flags_x86_aes cpu_flags_x86_avx cpu_flags_x86_avx2 
cpu_flags_x86_avx512f cpu_flags_x86_padlock cpu_flags_x86_sha 
cpu_flags_x86_sse4_1"
+
+# 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-1.49[${MULTILIB_USEDEP}]
+       getentropy? (
+               kernel_linux? (
+                       elibc_glibc? ( >=sys-libs/glibc-2.25 )
+                       elibc_musl? ( >=sys-libs/musl-1.1.20 )
+               )
+       )
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+       doc? ( virtual/texi2dvi )
+       verify-sig? ( sec-keys/openpgp-keys-gnupg )
+"
+
+PATCHES=(
+       "${FILESDIR}"/${PN}-multilib-syspath.patch
+       "${FILESDIR}"/${PN}-powerpc-darwin.patch
+       "${FILESDIR}"/${P}-s390x.patch
+       "${FILESDIR}"/${P}-o-flag-munging.patch
+       "${FILESDIR}"/${P}-arm.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
+}
+
+src_configure() {
+       # Sensitive to optimisation; parts of the codebase are built with
+       # -O0 already. Don't risk it with UB.
+       strip-flags
+
+       # Hardcodes the path to FGREP in libgcrypt-config
+       export ac_cv_path_SED="sed"
+       export ac_cv_path_EGREP="grep -E"
+       export ac_cv_path_EGREP_TRADITIONAL="grep -E"
+       export ac_cv_path_FGREP="grep -F"
+       export ac_cv_path_GREP="grep"
+
+       multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+       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_arm_sve sve-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_avx512f avx512-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
+
+               $(use asm || echo "--disable-asm")
+
+               GPG_ERROR_CONFIG="${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
+}

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