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Toolchain: Upgrade to GCC 12.1.0
This release brings support for various C++23 constructs like `if consteval` and multidimensional subscript operators. Vectorization is now enabled for O2 too, and `-ftrivial-auto-var-init` has been added which can help us find and prevent security issues coming from uninitialized variables. Toolchain/Patches/gcc.patch is now significanly smaller as some unused, autoconf-generated code has been removed.
This commit is contained in:
Daniel Bertalan
Andreas Kling
parent
fd3e3d5e28
commit
6cf260c7af
Notes:
sideshowbarker
2024-07-17 11:59:51 +09:00
Author: https://github.com/BertalanD Commit: https://github.com/SerenityOS/serenity/commit/6cf260c7af Pull-request: https://github.com/SerenityOS/serenity/pull/13954 Reviewed-by: https://github.com/ADKaster Reviewed-by: https://github.com/EWouters Reviewed-by: https://github.com/timschumi ✅
4 changed files with 98 additions and 6311 deletions
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@ -17,7 +17,7 @@ if(NOT CMAKE_SYSTEM_NAME STREQUAL "SerenityOS")
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endif()
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# Check for toolchain mismatch, user might need to rebuild toolchain
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set(GCC_VERSION "11.2.0")
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set(GCC_VERSION "12.1.0")
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set(LLVM_VERSION "14.0.1")
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set(EXPECTED_COMPILER_VERSION "${GCC_VERSION}")
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@ -85,8 +85,8 @@ GDB_BASE_URL="https://ftp.gnu.org/gnu/gdb"
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# Note: If you bump the gcc version, you also have to update the matching
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# GCC_VERSION variable in the project's root CMakeLists.txt
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GCC_VERSION="11.2.0"
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GCC_MD5SUM="dc6886bd44bb49e2d3d662aed9729278"
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GCC_VERSION="12.1.0"
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GCC_MD5SUM="7854cdccc3a7988aa37fb0d0038b8096"
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GCC_NAME="gcc-$GCC_VERSION"
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GCC_PKG="${GCC_NAME}.tar.gz"
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GCC_BASE_URL="https://ftp.gnu.org/gnu/gcc"
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@ -271,13 +271,11 @@ pushd "$DIR/Tarballs"
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git init > /dev/null
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git add . > /dev/null
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git commit -am "BASE" > /dev/null
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git am "$DIR"/Patches/gcc-support-mold-linker.patch > /dev/null
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git apply "$DIR"/Patches/gcc.patch > /dev/null
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else
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patch -p1 < "$DIR/Patches/gcc-support-mold-linker.patch" > /dev/null
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patch -p1 < "$DIR/Patches/gcc.patch" > /dev/null
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fi
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$MD5SUM "$DIR/Patches/gcc.patch" "$DIR/Patches/gcc-support-mold-linker.patch" > .patch.applied
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$MD5SUM "$DIR/Patches/gcc.patch" > .patch.applied
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popd
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if [ "$SYSTEM_NAME" = "Darwin" ]; then
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@ -323,7 +321,7 @@ pushd "$DIR/Build/$ARCH"
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--with-mpfr="$(brew --prefix mpfr)" \
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--disable-nls \
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${TRY_USE_LOCAL_TOOLCHAIN:+"--quiet"} || exit 1
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else
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else
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buildstep "gdb/configure" "$DIR"/Tarballs/$GDB_NAME/configure --prefix="$PREFIX" \
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--target="$TARGET" \
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--with-sysroot="$SYSROOT" \
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@ -332,7 +330,6 @@ pushd "$DIR/Build/$ARCH"
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${TRY_USE_LOCAL_TOOLCHAIN:+"--quiet"} || exit 1
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fi
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echo "XXX build gdb"
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buildstep "gdb/build" "$MAKE" -j "$MAKEJOBS" || exit 1
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buildstep "gdb/install" "$MAKE" install || exit 1
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@ -364,7 +361,7 @@ pushd "$DIR/Build/$ARCH"
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buildstep "binutils/install" "$MAKE" install || exit 1
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popd
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echo "XXX serenity libc, libm and libpthread headers"
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echo "XXX serenity libc, libdl, libm and libpthread headers"
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mkdir -p "$BUILD"
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pushd "$BUILD"
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mkdir -p Root/usr/include/
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@ -374,6 +371,7 @@ pushd "$DIR/Build/$ARCH"
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"$SRC_ROOT"/Kernel/API \
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"$SRC_ROOT"/Kernel/Arch \
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"$SRC_ROOT"/Userland/Libraries/LibC \
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"$SRC_ROOT"/Userland/Libraries/LibDl \
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"$SRC_ROOT"/Userland/Libraries/LibM \
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"$SRC_ROOT"/Userland/Libraries/LibPthread \
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-name '*.h' -print)
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@ -381,6 +379,7 @@ pushd "$DIR/Build/$ARCH"
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target=$(echo "$header" | sed \
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-e "s@$SRC_ROOT/AK/@AK/@" \
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-e "s@$SRC_ROOT/Userland/Libraries/LibC@@" \
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-e "s@$SRC_ROOT/Userland/Libraries/LibDl@@" \
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-e "s@$SRC_ROOT/Userland/Libraries/LibM@@" \
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-e "s@$SRC_ROOT/Userland/Libraries/LibPthread@@" \
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-e "s@$SRC_ROOT/Kernel/@Kernel/@")
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@ -406,7 +405,6 @@ pushd "$DIR/Build/$ARCH"
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--target="$TARGET" \
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--with-sysroot="$SYSROOT" \
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--disable-nls \
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--with-newlib \
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--enable-shared \
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--enable-languages=c,c++ \
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--enable-default-pie \
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@ -1,129 +0,0 @@
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From 37f6a0c24bb07efb29a2222d984e4d793c165aef Mon Sep 17 00:00:00 2001
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From: Martin Liska <mliska@suse.cz>
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Date: Tue, 21 Dec 2021 17:43:55 +0100
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Subject: [PATCH] Support ld.mold linker.
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gcc/ChangeLog:
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* collect2.c (main): Add ld.mold.
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* common.opt: Add -fuse-ld=mold.
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* doc/invoke.texi: Document it.
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* gcc.c (driver_handle_option): Handle -fuse-ld=mold.
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* opts.c (common_handle_option): Likewise.
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---
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gcc/collect2.c | 10 +++++++---
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gcc/common.opt | 4 ++++
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gcc/doc/invoke.texi | 4 ++++
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gcc/gcc.c | 4 ++++
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gcc/opts.c | 1 +
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5 files changed, 20 insertions(+), 3 deletions(-)
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diff --git a/gcc/collect2.c b/gcc/collect2.c
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index 0c8af2987..6bb5cf9a4 100644
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--- a/gcc/collect2.c
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+++ b/gcc/collect2.c
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@@ -785,6 +785,7 @@ main (int argc, char **argv)
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USE_GOLD_LD,
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USE_BFD_LD,
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USE_LLD_LD,
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+ USE_MOLD_LD,
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USE_LD_MAX
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} selected_linker = USE_DEFAULT_LD;
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static const char *const ld_suffixes[USE_LD_MAX] =
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@@ -793,7 +794,8 @@ main (int argc, char **argv)
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PLUGIN_LD_SUFFIX,
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"ld.gold",
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"ld.bfd",
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- "ld.lld"
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+ "ld.lld",
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+ "ld.mold"
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};
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static const char *const real_ld_suffix = "real-ld";
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static const char *const collect_ld_suffix = "collect-ld";
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@@ -970,6 +972,8 @@ main (int argc, char **argv)
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selected_linker = USE_GOLD_LD;
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else if (strcmp (argv[i], "-fuse-ld=lld") == 0)
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selected_linker = USE_LLD_LD;
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+ else if (strcmp (argv[i], "-fuse-ld=mold") == 0)
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+ selected_linker = USE_MOLD_LD;
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else if (strncmp (argv[i], "-o", 2) == 0)
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{
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/* Parse the output filename if it's given so that we can make
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@@ -1082,7 +1086,7 @@ main (int argc, char **argv)
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ld_file_name = 0;
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#ifdef DEFAULT_LINKER
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if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD ||
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- selected_linker == USE_LLD_LD)
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+ selected_linker == USE_LLD_LD || selected_linker == USE_MOLD_LD)
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{
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char *linker_name;
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# ifdef HOST_EXECUTABLE_SUFFIX
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@@ -1317,7 +1321,7 @@ main (int argc, char **argv)
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else if (!use_collect_ld
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&& strncmp (arg, "-fuse-ld=", 9) == 0)
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{
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- /* Do not pass -fuse-ld={bfd|gold|lld} to the linker. */
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+ /* Do not pass -fuse-ld={bfd|gold|lld|mold} to the linker. */
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ld1--;
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ld2--;
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}
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diff --git a/gcc/common.opt b/gcc/common.opt
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index 6fab7c3ca..8617124f9 100644
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--- a/gcc/common.opt
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+++ b/gcc/common.opt
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@@ -2967,6 +2967,10 @@ fuse-ld=lld
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Common Driver Negative(fuse-ld=lld)
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Use the lld LLVM linker instead of the default linker.
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+fuse-ld=mold
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+Common Driver Negative(fuse-ld=mold)
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+Use the Modern linker (MOLD) linker instead of the default linker.
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+
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fuse-linker-plugin
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Common Undocumented Var(flag_use_linker_plugin)
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diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
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index 7f13ffb79..31932cf2c 100644
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--- a/gcc/doc/invoke.texi
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+++ b/gcc/doc/invoke.texi
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@@ -15601,6 +15601,10 @@ Use the @command{gold} linker instead of the default linker.
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@opindex fuse-ld=lld
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Use the LLVM @command{lld} linker instead of the default linker.
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+@item -fuse-ld=mold
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+@opindex fuse-ld=mold
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+Use the Modern Linker (@command{mold}) instead of the default linker.
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+
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@cindex Libraries
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@item -l@var{library}
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@itemx -l @var{library}
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diff --git a/gcc/gcc.c b/gcc/gcc.c
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index 4d790f9dd..ce6366946 100644
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--- a/gcc/gcc.c
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+++ b/gcc/gcc.c
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@@ -4189,6 +4189,10 @@ driver_handle_option (struct gcc_options *opts,
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use_ld = ".gold";
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break;
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+ case OPT_fuse_ld_mold:
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+ use_ld = ".mold";
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+ break;
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+
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case OPT_fcompare_debug_second:
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compare_debug_second = 1;
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break;
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diff --git a/gcc/opts.c b/gcc/opts.c
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index 24bb64198..9192ca757 100644
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--- a/gcc/opts.c
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+++ b/gcc/opts.c
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@@ -2875,6 +2875,7 @@ common_handle_option (struct gcc_options *opts,
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case OPT_fuse_ld_bfd:
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case OPT_fuse_ld_gold:
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case OPT_fuse_ld_lld:
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+ case OPT_fuse_ld_mold:
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case OPT_fuse_linker_plugin:
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/* No-op. Used by the driver and passed to us because it starts with f.*/
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break;
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--
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2.34.1
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