commit:     82fe355d27bf3014ea44d508afa9eb86b116c688
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Feb 22 15:10:10 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Feb 22 15:19:17 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=82fe355d

llvm-runtimes/libgcc: Add 21.0.0_pre20250221 snapshot

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 llvm-runtimes/libgcc/Manifest                      |   1 +
 .../libgcc/libgcc-21.0.0_pre20250221.ebuild        | 172 +++++++++++++++++++++
 2 files changed, 173 insertions(+)

diff --git a/llvm-runtimes/libgcc/Manifest b/llvm-runtimes/libgcc/Manifest
index 34c45304addf..4b857ecd8e3b 100644
--- a/llvm-runtimes/libgcc/Manifest
+++ b/llvm-runtimes/libgcc/Manifest
@@ -3,4 +3,5 @@ DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 
4015140f4ba77de45039bdbdfbaf
 DIST llvm-project-20.1.0-rc2.src.tar.xz 147160684 BLAKE2B 
6adc1226f022272d78fb0ed361c190d369a2afc53bf868409fe8f4e092d5ffb9894c71870f072bb68162610782f48088468b4a49cdb1bc731d6689c791a5b5e3
 SHA512 
f303deaec8f25e1b122a7e85df192b6ea10c51472b78a3d14ad9d0b976a533cfbb9164aff0bc99e447e30938cf43363552c5493b4693e1f23291ea7a9b824bbb
 DIST llvm-project-20.1.0-rc2.src.tar.xz.sig 566 BLAKE2B 
aa91f7be228e51b0f2234bb5e0df173e3ddc90b6db4350a9008c2f8ba53220da6eef0c69778aecac3caecf918a0c54a0d910177ffe7643ad7fc5624a97262b7f
 SHA512 
e5563a8a79b5e9ef26d62dc6d4385c1c86d12a652b4b1e7fc9ce45a2ea66e5118112746a61b439823bf99d65aea82285eabf5e07714eec77e6e5cd02feab82ce
 DIST llvm-project-2cd8207b26ea4269630feba661f68554d7ae3c15.tar.gz 227261597 
BLAKE2B 
51ce992b651fcf08b7fd520420040803b59f1260947953325400c50bec576c418b162d8ae2d2307e70b885b1185c302a97409bcfe48cdb14b8e1384f4e2dfa9e
 SHA512 
a41749943508ea4a18b47c4e947917b5268544e64372c0c3347f9ab8172a2c229d8b1d813d1e842be1b98aedd624524857ed3bb23fe98ad5f36e7a71581abb4b
+DIST llvm-project-581599096e8a1a89ccd3e053a1209c69a9079083.tar.gz 227830555 
BLAKE2B 
28a04dd5ce96716d389fe049c4b877f55d6e5cad5c77d8867dd7e3a448213ef413e4f4d7d5f77b0702b26a8eb25f53e08d90e2a5a97eaa3f89245531d9f6626d
 SHA512 
d775aea9bf71d60673e966a689ff6b933afecab2c133a1f64a158551ba9db049221148eab5087bab0ce0ff917456b85fb4ea4d7284886326f54617d167a385a5
 DIST llvm-project-c30a7f459452d5766da244564bc1d5888346c364.tar.gz 227560986 
BLAKE2B 
c1c833aa6d488530826d96db81ca8be2fcf842ccf5b10a65ff18269fdfa32fa2742fb0a547eb315c2a9ee383e1b6b6cce4a78136e1740e04d322c79fb6a66a86
 SHA512 
0b68d3462e5eac89f50cff5e64603758ab74c701ff2de88c8569dd45b7e702b5d13b26c2745615c0c355d46d13765f47e4d43e61cde735240c6f386c0090becb

diff --git a/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250221.ebuild 
b/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250221.ebuild
new file mode 100644
index 000000000000..2c2ae9d40376
--- /dev/null
+++ b/llvm-runtimes/libgcc/libgcc-21.0.0_pre20250221.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"
+}

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