[wip] Update to GCC 14.1.0

build.sh

@@ -18,6 +18,9 @@ declare -r mpc_directory='/tmp/mpc-1.3.1'
 declare -r binutils_tarball='/tmp/binutils.tar.xz'
 declare -r binutils_directory='/tmp/binutils-2.42'
 
+declare -r llvm_tarball='/tmp/llvm.tar.gz'
+declare -r llvm_directory='/tmp/llvm-project-llvmorg-18.1.5'
+
 declare gcc_directory=''
 
 function setup_gcc_source() {
@@ -134,6 +137,11 @@ if ! [ -f "${binutils_tarball}" ]; then
 	patch --directory="${binutils_directory}" --strip='1' --input="${workdir}/patches/0001-Revert-gold-Use-char16_t-char32_t-instead-of-uint16_.patch"
 fi
 
+if ! [ -f "${llvm_tarball}" ]; then
+	wget --no-verbose 'https://github.com/llvm/llvm-project/archive/refs/tags/llvmorg-18.1.5.tar.gz' --output-document="${llvm_tarball}"
+	tar --directory="$(dirname "${llvm_directory}")" --extract --file="${llvm_tarball}"
+fi
+
 declare -r toolchain_directory="/tmp/atar"
 
 [ -d "${gmp_directory}/build" ] || mkdir "${gmp_directory}/build"
@@ -189,6 +197,21 @@ rm --force --recursive ./*
 make all --jobs
 make install
 
+[ -d "${llvm_directory}/build" ] || mkdir "${llvm_directory}/build"
+
+cd "${llvm_directory}/build"
+rm --force --recursive ./*
+
+cmake \
+    -DCMAKE_BUILD_TYPE='MinSizeRel' \
+    -DCMAKE_CXX_FLAGS='-static-libgcc -static-libstdc++ -Wl,-s' \
+    -DLLVM_ENABLE_PROJECTS='lld' \
+    -DCMAKE_INSTALL_PREFIX="${toolchain_directory}" \
+	"${llvm_directory}"
+
+make all --jobs="${max_jobs}"
+make install
+
 sed -i 's/#include <stdint.h>/#include <stdint.h>\n#include <stdio.h>/g' "${toolchain_directory}/include/mpc.h"
 
 [ -d "${binutils_directory}/build" ] || mkdir "${binutils_directory}/build"
@@ -242,15 +265,21 @@ for target in "${targets[@]}"; do
 	cd "${binutils_directory}/build"
 	rm --force --recursive ./*
 
+	declare extra_binutils_flags=''
+
+	if [ "${target}" = 'armv7' ] || [ "${target}" = 'arm64' ]; then
+		extra_binutils_flags+=' --disable-ld --disable-gold --disable-lto'
+	else
+		extra_binutils_flags+=' --enable-ld --enable-gold --enable-lto'
+	fi
+
 	../configure \
 		--target="${triplet}" \
 		--prefix="${toolchain_directory}" \
-		--enable-gold \
-		--enable-ld \
-		--enable-lto \
 		--disable-gprofng \
 		--with-static-standard-libraries \
 		--with-sysroot="${toolchain_directory}/${triplet}" \
+		${extra_binutils_flags} \
 		${cross_compile_flags} \
 		CFLAGS="${optflags}" \
 		CXXFLAGS="${optflags}" \
@@ -310,7 +339,7 @@ for target in "${targets[@]}"; do
 		--enable-linker-build-id \
 		--enable-link-serialization='1' \
 		--enable-plugin \
-		--enable-lto \
+		--disable-lto \
 		--enable-shared \
 		--enable-threads='posix' \
 		--enable-languages='c,c++' \