Norbert Lange
47355937ad
add an option --host-clang which will skip building llvm, and instead provide symlinks and wrappers for clang and llvm tools. Currently the clang version is detected, but it does not affect the llvm version that will be downloaded and used.
141 lines
4.5 KiB
Bash
Executable File
141 lines
4.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2018 Martin Storsjo
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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set -e
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SRC_DIR=../lib/builtins
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BUILD_SUFFIX=
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BUILD_BUILTINS=TRUE
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ENABLE_CFGUARD=1
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CFGUARD_CFLAGS="-mguard=cf"
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while [ $# -gt 0 ]; do
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if [ "$1" = "--build-sanitizers" ]; then
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SRC_DIR=..
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BUILD_SUFFIX=-sanitizers
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SANITIZERS=1
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BUILD_BUILTINS=FALSE
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# Override the default cfguard options here; this unfortunately
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# also overrides the user option if --enable-cfguard is passed
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# before --build-sanitizers (although that combination isn't
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# really intended/supported anyway).
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CFGUARD_CFLAGS=
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ENABLE_CFGUARD=
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elif [ "$1" = "--enable-cfguard" ]; then
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CFGUARD_CFLAGS="-mguard=cf"
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ENABLE_CFGUARD=1
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elif [ "$1" = "--disable-cfguard" ]; then
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CFGUARD_CFLAGS=
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ENABLE_CFGUARD=
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else
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PREFIX="$1"
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fi
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shift
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done
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if [ -z "$PREFIX" ]; then
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echo "$0 [--build-sanitizers] [--enable-cfguard|--disable-cfguard] dest"
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exit 1
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fi
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if [ -n "$SANITIZERS" ] && [ -n "$ENABLE_CFGUARD" ]; then
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echo "warning: Sanitizers may not work correctly with Control Flow Guard enabled." 1>&2
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fi
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mkdir -p "$PREFIX"
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PREFIX="$(cd "$PREFIX" && pwd)"
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export PATH="$PREFIX/bin:$PATH"
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: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
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ANY_ARCH=$(echo $ARCHS | awk '{print $1}')
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CLANG_RESOURCE_DIR="$("$PREFIX/bin/$ANY_ARCH-w64-mingw32-clang" --print-resource-dir)"
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if [ ! -d llvm-project/compiler-rt ] || [ -n "$SYNC" ]; then
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CHECKOUT_ONLY=1 ./build-llvm.sh
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fi
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if command -v ninja >/dev/null; then
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CMAKE_GENERATOR="Ninja"
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else
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: ${CORES:=$(nproc 2>/dev/null)}
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: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
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: ${CORES:=4}
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case $(uname) in
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MINGW*)
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CMAKE_GENERATOR="MSYS Makefiles"
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;;
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esac
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fi
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cd llvm-project/compiler-rt
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# Use a staging directory in case parts of the resource dir are immutable
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WORKDIR=$(mktemp -d); trap "rm -rf $WORKDIR" 0
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for arch in $ARCHS; do
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if [ -n "$SANITIZERS" ]; then
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case $arch in
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i686|x86_64)
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# Sanitizers on windows only support x86.
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;;
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*)
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continue
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;;
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esac
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fi
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[ -z "$CLEAN" ] || rm -rf build-$arch$BUILD_SUFFIX
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mkdir -p build-$arch$BUILD_SUFFIX
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cd build-$arch$BUILD_SUFFIX
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[ -n "$NO_RECONF" ] || rm -rf CMake*
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cmake \
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${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX="$CLANG_RESOURCE_DIR" \
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-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
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-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
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-DCMAKE_SYSTEM_NAME=Windows \
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-DCMAKE_AR="$PREFIX/bin/llvm-ar" \
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-DCMAKE_RANLIB="$PREFIX/bin/llvm-ranlib" \
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-DCMAKE_C_COMPILER_WORKS=1 \
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-DCMAKE_CXX_COMPILER_WORKS=1 \
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-DCMAKE_C_COMPILER_TARGET=$arch-w64-windows-gnu \
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=TRUE \
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-DCOMPILER_RT_USE_BUILTINS_LIBRARY=TRUE \
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-DCOMPILER_RT_BUILD_BUILTINS=$BUILD_BUILTINS \
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-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=FALSE \
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-DLLVM_CONFIG_PATH="" \
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-DCMAKE_FIND_ROOT_PATH=$PREFIX/$arch-w64-mingw32 \
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-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY \
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-DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY \
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-DSANITIZER_CXX_ABI=libc++ \
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-DCMAKE_C_FLAGS_INIT="$CFGUARD_CFLAGS" \
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-DCMAKE_CXX_FLAGS_INIT="$CFGUARD_CFLAGS" \
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$SRC_DIR
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cmake --build . ${CORES:+-j${CORES}}
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cmake --install . --prefix "${WORKDIR}/install"
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mkdir -p "$PREFIX/$arch-w64-mingw32/bin"
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if [ -n "$SANITIZERS" ]; then
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mv "${WORKDIR}/install/lib/windows/"*.dll "$PREFIX/$arch-w64-mingw32/bin"
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fi
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cd ..
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done
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if [ -h "$CLANG_RESOURCE_DIR/include" ]; then
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# symlink to system headers - skip copy
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rm -rf ${WORKDIR}/install/include
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fi
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cp -r ${WORKDIR}/install/. $CLANG_RESOURCE_DIR
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