sys-devel/mold: add 2.3.0, disable PCH

PCH is buggy and not worth it (especially for clean builds where we're not
installing any headers too...)

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

4 files changed, 113 insertions, 1 deletions

diff --git a/sys-devel/mold/Manifest b/sys-devel/mold/Manifest
index 9c33e11ccd3f..6cb0c98c07e3 100644
--- a/sys-devel/mold/Manifest
+++ b/sys-devel/mold/Manifest
@@ -2,3 +2,4 @@ DIST mold-1.11.0.tar.gz 8210923 BLAKE2B b3854a14a956dd568625fc28c96636e7cadf81b9
 DIST mold-2.0.0.tar.gz 9205927 BLAKE2B f80c72c58f4618a74390417fdf90f816810350baf1ac74d21294f5ffba7ee263807175be531c9db77209bd05a31ad11fd84d4aeb03fb057cefac7575f71612d6 SHA512 11c3d1e07fe4fcc28cff58b8e432526e4604aa55b49fa47c9495e439206fb9f6a1686b1c5bd2dc907ffd7fe62ac1c72317619fc8a5d7caaa5c327de585f16827
 DIST mold-2.1.0.tar.gz 9278811 BLAKE2B b31e13f92177553adf5069cf35c8c75c7bc28f0af4d1726cdc0c6abc1c9d3baaa5be512c3a8fb9bc3c3110096a79e1c6751c701171769595a2234fc1fa8c441a SHA512 f1c98d349b35b4042109d71f7db6eb8d7d089dc3241735bbd7b5402d513dcc85ca17904828779e5fc8234650fa9fb97f47c3a2f3e89cc2fb3cb9e9110439e5a2
 DIST mold-2.2.0.tar.gz 9956678 BLAKE2B 495772b5bfd238a6785676d277da87fe4f10b64513f8f0a4961893e4ae8954ad8bda3d09283de14594d7d056d6c1aeed5be591d6a64868a473eb45737d3b9340 SHA512 1692d1ff154335fdff91a4fafebb3514ed6742035c14e74ec7e552b90428a1cd5341baba9183158b44ae221fd19e86da55e7f04bde317b943a24d0afecb41002
+DIST mold-2.3.0.tar.gz 9958893 BLAKE2B 86235731953902a5cd8fdba8b41d456bd60bf53b96a9e1cc89bdf991a75367b95e5522887be8e9c28f3d777b143ef5d693ff50293188ef222fc45257ce990d24 SHA512 7953cff8f2e9f775f0890aedc5f38ef07aac16118310ee9e1a2a82be8abafa1aa05459a136181978c55763737c7ff47815afdd4423e8f96db8f0237fce13e6b4
diff --git a/sys-devel/mold/files/mold-2.3.0-no-pch.patch b/sys-devel/mold/files/mold-2.3.0-no-pch.patch
new file mode 100644
index 000000000000..e61b5df01f54
--- /dev/null
+++ b/sys-devel/mold/files/mold-2.3.0-no-pch.patch
@@ -0,0 +1,12 @@
+We generally disable PCH in Gentoo because of how buggy it is.
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -400,7 +400,7 @@ endif()
+ 
+ # Add frequently included header files for pre-compiling.
+ # target_precompile_headers is supported by CMake 3.16.0 or newer.
+-if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.16.0")
++if(FALSE)
+   if(MOLD_IS_SOLD)
+     target_precompile_headers(mold PRIVATE
+       "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_SOURCE_DIR}/elf/mold.h>"
diff --git a/sys-devel/mold/mold-2.3.0.ebuild b/sys-devel/mold/mold-2.3.0.ebuild
new file mode 100644
index 000000000000..f16aabe0758e
--- /dev/null
+++ b/sys-devel/mold/mold-2.3.0.ebuild
@@ -0,0 +1,94 @@
+# Copyright 2021-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake toolchain-funcs
+
+DESCRIPTION="A Modern Linker"
+HOMEPAGE="https://github.com/rui314/mold"
+if [[ ${PV} == 9999 ]] ; then
+	EGIT_REPO_URI="https://github.com/rui314/mold.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/rui314/mold/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64 ~loong ~riscv ~x86"
+fi
+
+# mold (MIT)
+#  - xxhash (BSD-2)
+LICENSE="MIT BSD-2"
+SLOT="0"
+
+RDEPEND="
+	app-arch/zstd:=
+	>=dev-cpp/tbb-2021.7.0-r1:=
+	dev-libs/blake3:=
+	sys-libs/zlib
+	!kernel_Darwin? (
+		>=dev-libs/mimalloc-2:=
+	)
+"
+DEPEND="${RDEPEND}"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.3.0-no-pch.patch
+)
+
+pkg_pretend() {
+	# Requires a c++20 compiler, see #831473
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		if tc-is-gcc && [[ $(gcc-major-version) -lt 10 ]]; then
+			die "${PN} needs at least gcc 10"
+		elif tc-is-clang && [[ $(clang-major-version) -lt 12 ]]; then
+			die "${PN} needs at least clang 12"
+		fi
+	fi
+}
+
+src_prepare() {
+	cmake_src_prepare
+
+	# Needs unpackaged dwarfdump
+	rm test/elf/{{dead,compress}-debug-sections,compressed-debug-info}.sh || die
+
+	# Heavy tests, need qemu
+	rm test/elf/gdb-index-{compress-output,dwarf{2,3,4,5}}.sh || die
+	rm test/elf/lto-{archive,dso,gcc,llvm,version-script}.sh || die
+
+	# Sandbox sadness
+	rm test/elf/run.sh || die
+	sed -i 's|`pwd`/mold-wrapper.so|"& ${LD_PRELOAD}"|' \
+		test/elf/mold-wrapper{,2}.sh || die
+
+	# static-pie tests require glibc built with static-pie support
+	if ! has_version -d 'sys-libs/glibc[static-pie(+)]'; then
+		rm test/elf/{,ifunc-}static-pie.sh || die
+	fi
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
+		-DMOLD_ENABLE_QEMU_TESTS=OFF
+		-DMOLD_LTO=OFF # Should be up to the user to decide this with CXXFLAGS.
+		-DMOLD_USE_SYSTEM_MIMALLOC=ON
+		-DMOLD_USE_SYSTEM_TBB=ON
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	dobin "${BUILD_DIR}"/${PN}
+
+	# https://bugs.gentoo.org/872773
+	insinto /usr/$(get_libdir)/mold
+	doins "${BUILD_DIR}"/${PN}-wrapper.so
+
+	dodoc docs/{design,execstack}.md
+	doman docs/${PN}.1
+
+	dosym ${PN} /usr/bin/ld.${PN}
+	dosym ${PN} /usr/bin/ld64.${PN}
+	dosym ../../../usr/bin/${PN} /usr/libexec/${PN}/ld
+}
diff --git a/sys-devel/mold/mold-9999.ebuild b/sys-devel/mold/mold-9999.ebuild
index 42cd25dd9155..f16aabe0758e 100644
--- a/sys-devel/mold/mold-9999.ebuild
+++ b/sys-devel/mold/mold-9999.ebuild
@@ -12,7 +12,7 @@ if [[ ${PV} == 9999 ]] ; then
 	inherit git-r3
 else
 	SRC_URI="https://github.com/rui314/mold/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
-	KEYWORDS="~amd64 ~loong"
+	KEYWORDS="~amd64 ~arm64 ~loong ~riscv ~x86"
 fi
 
 # mold (MIT)
@@ -31,6 +31,10 @@ RDEPEND="
 "
 DEPEND="${RDEPEND}"
 
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.3.0-no-pch.patch
+)
+
 pkg_pretend() {
 	# Requires a c++20 compiler, see #831473
 	if [[ ${MERGE_TYPE} != binary ]]; then
@@ -65,6 +69,7 @@ src_prepare() {
 
 src_configure() {
 	local mycmakeargs=(
+		-DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
 		-DMOLD_ENABLE_QEMU_TESTS=OFF
 		-DMOLD_LTO=OFF # Should be up to the user to decide this with CXXFLAGS.
 		-DMOLD_USE_SYSTEM_MIMALLOC=ON