commit: b38b1cb18846745ecda156a6ecfe17e2d3e3c05e
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Mar 29 10:25:49 2025 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Mar 29 10:25:49 2025 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b38b1cb1
llvm-runtimes/libgcc: Add 21.0.0_pre20250329 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libgcc/Manifest | 1 +
.../libgcc/libgcc-21.0.0_pre20250329.ebuild | 172 +++++++++++++++++++++
2 files changed, 173 insertions(+)
diff --git a/llvm-runtimes/libgcc/Manifest b/llvm-runtimes/libgcc/Manifest
index 1bce17f0d314..13a023c19c8c 100644
--- a/llvm-runtimes/libgcc/Manifest
+++ b/llvm-runtimes/libgcc/Manifest
@@ -4,3 +4,4 @@ DIST
llvm-project-1c3a9a853ce68c3c539e7cab21380b9d8b18f426.tar.gz 229448743 BLAK
DIST llvm-project-1d133420dc512487e2be0e9d86755f2a7c3497a7.tar.gz 229268288
BLAKE2B
aca79bcca631deeab429a03cd2732d78d8ecf0c9615bce181445ed875436806609dc85a57d4f97109492833d620d060ea93fed450a4912c2d94597aeabf84974
SHA512
24ecadfccdf785bfbf27d5007afd2a4d5868493b2c5f48d6cf07c335bfbfef5cba4f12a639971e5f95877ae3b8c7b7fc0c210e404d21036af553de82a5059037
DIST llvm-project-20.1.1.src.tar.xz 147215020 BLAKE2B
d1774d060036b5340f765d68cc23cbd1e00730874cb3e65b7236303238d7922a7fa191b631c20c3bf17e54c933672a355d4424f2beea17cd25fcf9f5c4c625dd
SHA512
b851d3e24a2775f6e789720614a8192d72956f447a39d75e5160a8acf6bd3a3386fab2cca5590b7e020b65e408ccf32432f8dc03519fd4cf60b4b5674fe0547e
DIST llvm-project-20.1.1.src.tar.xz.sig 566 BLAKE2B
76c49401d9b8e283fc29586c32fc1b5205d76b3b83d0f99aa2ac09a63b058478e08588dcfbfc728110172b639eeaf04a884f4e6d707b94cad0dbf2d0dcb30a4f
SHA512
469b03f3ddbe56b074724375b09a45ee2730bee0ba4b25f64f93d93ef609c33d39136f051c216a74a35d98a70ffcd3d7507e38d19a20d5006c29a954ca32813b
+DIST llvm-project-21eeca3db0341fef4ab4a6464ffe38b2eba5810c.tar.gz 229546432
BLAKE2B
e783f08b93498b252741a07fd3aa3383ca93f66688f9bbdb2e11185c660dfff1020ab4a1ca803ab69ab28dc2fd8b5c3855f45c0b77851b8e6edeb0dc5bf6cbd4
SHA512
54420956b36f3bccabea2171a4103ca20d6b136e1d1f7f217e0ec735be4542bbd840ef228c55f3e9103ad2f9fb41393e611d5aaa1521d01fdd163b770b80ba0b
diff --git a/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250329.ebuild
b/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250329.ebuild
new file mode 100644
index 000000000000..2c2ae9d40376
--- /dev/null
+++ b/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250329.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"
+}
