commit: d000495e8d0ed4d6cc6fdfaff6c38e36c1456d69
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat May 10 13:01:04 2025 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat May 10 13:01:04 2025 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d000495e
llvm-runtimes/libgcc: Add 21.0.0_pre20250510 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libgcc/Manifest | 1 +
.../libgcc/libgcc-21.0.0_pre20250510.ebuild | 172 +++++++++++++++++++++
2 files changed, 173 insertions(+)
diff --git a/llvm-runtimes/libgcc/Manifest b/llvm-runtimes/libgcc/Manifest
index e9c79d71cb83..1e3cae8a4390 100644
--- a/llvm-runtimes/libgcc/Manifest
+++ b/llvm-runtimes/libgcc/Manifest
@@ -7,3 +7,4 @@ DIST llvm-project-20.1.4.src.tar.xz.sig 566 BLAKE2B
1f0f057dedf938190554ca1a51d9
DIST llvm-project-ac8fc09688e10e983b99224b5dc5cbbeeedb1879.tar.gz 231567089
BLAKE2B
f7878f114c908b21d179854bc693716b34b963612c6b5172789a37cd21fa316720d4e9498bc7679058db3e822ed240bfdafd85bfd00154914d747d0c0ed1cb48
SHA512
4c39db8b22fa087ca96c3b4541ec77ba8a826a126b4e93b0650e59b3622b22b329f60fa3780dd4572fdece409fd5833eda473046d7547f6ee3ac8aadb8f2fc34
DIST llvm-project-b9e32749d273a957e60170d6e7ef205fd1fb1834.tar.gz 232146799
BLAKE2B
f7c02bf1e6b9958114f07827ff00264774a7ad54b51c6867d7e66d7c9a94a36fb84f371d7d30c2f094a0d539b565fb651786ed9e0641f2bea8d982073f1a8ac0
SHA512
2d81ead79c606e00549d5205584f1bd272e4d7adf4b376fdba19e7fb719710e80b00b22ee3500ab2b990178fa044ca9fcf45bd2063e62e6a217b11775bb3b163
DIST llvm-project-d1e38eab95b07b422194427474521623916bbf29.tar.gz 232705423
BLAKE2B
bf5200c2223d8cdf7c34c84876d8cfeb9429cb6535ced226b1bf9ab468b6401fe3da8759f0fc1ab3112927304c5f74db29b18be60fa961ce99471caa2c6a1f33
SHA512
8fae137725ad4eb0f5bab73895c65b34d1e36ea039c9fb3978c908ecc6023094d84919b97dc405b86e2dd32f585d87b29cee02293c8156d10a8371b516ca5e7a
+DIST llvm-project-fcb4bda9dcfcdb64d8b069e8416c75d7a1a62e52.tar.gz 233149231
BLAKE2B
95a7a012a1e747afcf83ace3785c8ef6a3e10f6075e59eb1c5b077cc9edae244b648f341bc0ac6a45b2afc8f7ffe130a90a741a04465523f30f8322566386703
SHA512
b46f0c90a1c56750cada24183ca382b267a2d2faa0db7d77a8bdd4e94e6303e57d565cf85447b3c0e0efdd3750efef1e10e8ce6f1fe8f1ae10ee31d25ddf3fb7
diff --git a/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250510.ebuild
b/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250510.ebuild
new file mode 100644
index 000000000000..2c2ae9d40376
--- /dev/null
+++ b/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250510.ebuild
@@ -0,0 +1,172 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+
+inherit cmake crossdev flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Compiler runtime library for clang, compatible with libgcc_s"
+HOMEPAGE="https://llvm.org/";
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="debug test"
+
+DEPEND="
+ ~llvm-runtimes/libunwind-${PV}[static-libs]
+"
+RDEPEND="
+ ${DEPEND}
+ !sys-devel/gcc
+"
+BDEPEND="
+ llvm-core/clang:${LLVM_MAJOR}
+ test? (
+ $(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+ =llvm-core/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+ )
+ !test? (
+ ${PYTHON_DEPS}
+ )
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake llvm-libgcc )
+LLVM_TEST_COMPONENTS=( llvm/include/llvm/TargetParser )
+llvm.org_set_globals
+
+python_check_deps() {
+ use test || return 0
+ python_has_version ">=dev-python/lit-15[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+ if target_is_not_host || tc-is-cross-compiler ; then
+ # strips vars like CFLAGS="-march=x86_64-v3" for non-x86
architectures
+ CHOST=${CTARGET} strip-unsupported-flags
+ # overrides host docs otherwise
+ DOCS=()
+ fi
+ python-any-r1_pkg_setup
+}
+
+src_configure() {
+ # We need to build a separate copy of compiler-rt, because we need to
disable the
+ # COMPILER_RT_BUILTINS_HIDE_SYMBOLS option - compatibility with libgcc
requires
+ # visibility of all symbols.
+
+ llvm_prepend_path "${LLVM_MAJOR}"
+
+ # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+ use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+ export CC=${CTARGET}-clang CXX=${CTARGET}-clang++
+ strip-unsupported-flags
+
+ local mycmakeargs=(
+
-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+
+ -DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+ -DCOMPILER_RT_BUILD_CRT=OFF
+ -DCOMPILER_RT_BUILD_CTX_PROFILE=OFF
+ -DCOMPILER_RT_BUILD_LIBFUZZER=OFF
+ -DCOMPILER_RT_BUILD_MEMPROF=OFF
+ -DCOMPILER_RT_BUILD_ORC=OFF
+ -DCOMPILER_RT_BUILD_PROFILE=OFF
+ -DCOMPILER_RT_BUILD_SANITIZERS=OFF
+ -DCOMPILER_RT_BUILD_XRAY=OFF
+
+ -DCOMPILER_RT_BUILTINS_HIDE_SYMBOLS=OFF
+
+ -DPython3_EXECUTABLE="${PYTHON}"
+ )
+
+ # disable building non-native runtimes since we don't do multilib
+ if use amd64; then
+ mycmakeargs+=(
+ -DCAN_TARGET_i386=OFF
+ )
+ fi
+
+ if use test; then
+ mycmakeargs+=(
+ -DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+ -DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+
-DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang"
+
-DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++"
+ )
+ fi
+
+ cmake_src_configure
+}
+
+# Usage: deps
+gen_ldscript() {
+ local output_format
+ output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 |
sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
+ [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT (
${output_format} )"
+
+ cat <<-END_LDSCRIPT
+/* GNU ld script
+ Include missing dependencies
+*/
+${output_format}
+GROUP ( $@ )
+END_LDSCRIPT
+}
+
+src_compile() {
+ cmake_src_compile
+
+ local rtlib=$(
+ "${CC}" -rtlib=compiler-rt -resource-dir="${BUILD_DIR}" \
+ -print-libgcc-file-name || die
+ )
+
+ # Use the llvm-libgcc's version script to produce libgcc.{a,so}, which
+ # combines compiler-rt and libunwind into a libgcc replacement.
+ #
+ # What we do here is similar to what upstream does[0], with the
following
+ # differences:
+ #
+ # * We build the local copy of compiler-rt manually, to have a full
control
+ # over CMake options.
+ # * Upstream links the locally built copy of libunwind statically. We
link the
+ # system-wide libunwind dynamically.
+ #
+ # [0]
https://github.com/llvm/llvm-project/blob/llvmorg-19.1.7/llvm-libgcc/CMakeLists.txt#L102-L120
+ "${CC}" -E -xc \
+ "${WORKDIR}/llvm-libgcc/gcc_s.ver.in" \
+ -o gcc_s.ver || die
+ "${CC}" -nostdlib \
+ ${LDFLAGS} \
+ -Wl,--version-script,gcc_s.ver \
+ -Wl,--undefined-version \
+ -Wl,--whole-archive \
+ "${rtlib}" \
+ -Wl,-soname,libgcc_s.so.1.0 \
+ -lc -lunwind -shared \
+ -o libgcc_s.so.1.0 || die
+ # Generate libgcc_s.so ldscript for inclusion of libunwind as a
+ # dependency so that `clang -lgcc_s` works out of the box.
+ gen_ldscript libgcc_s.so.1.0 libunwind.so.1.0 > libgcc_s.so || die
+ cp "${rtlib}" libgcc.a || die
+}
+
+src_test() {
+ # respect TMPDIR!
+ local -x LIT_PRESERVES_TMP=1
+
+ cmake_build check-builtins
+}
+
+src_install() {
+ local libdir=$(get_libdir)
+ dolib.so libgcc_s.so.1.0 libgcc_s.so
+ dolib.a libgcc.a
+ dosym libgcc_s.so.1.0 "/usr/${libdir}/libgcc_s.so.1"
+ dosym libunwind.a "/usr/${libdir}/libgcc_eh.a"
+}
