Martin Storsjö
3b96433cdf
We normally don't install all tools (including llvm-config), or we might have stripped them out, but the system distro might have installed a copy of llvm-config (for a different unrelated installation of llvm). Some compiler-rt runtimes (such as xray and orc) use this for finding the main llvm headers. When building compiler-rt, we really don't want it to pick up any random version of llvm headers found on the system, but keep using the matching headers from the monorepo instead. Adding the include directory of a system provided set of llvm headers is especially fatal if that directory isn't a subdirectory containing only llvm headers, but contains other system headers too. In particular, on msys2, the include directory (pointed at by "llvm-config --includedir", and also set by including LLVMConfig.cmake which is pointed at by "llvm-config --cmakedir") is the main system include directory. Including this can also get headers for a system install of libc++ headers (for the clang64 msys2 distro) - and using libc++ headers with a second set of libc++ headers in the include path is fatal (due to include_next not finding the plain C header but finding a second libc++ header). Just try to make sure that we don't pick up any unintended headers.
109 lines
3.0 KiB
Bash
Executable File
109 lines
3.0 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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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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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 $0 [--build-sanitizers] dest
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exit 1
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fi
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mkdir -p "$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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NINJA=1
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BUILDCMD=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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*)
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;;
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esac
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BUILDCMD=make
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fi
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cd llvm-project/compiler-rt
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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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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="$PREFIX/bin/llvm-ranlib" \
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-DCMAKE_C_COMPILER_TARGET=$arch-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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-DLLVM_CONFIG_PATH="" \
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-DSANITIZER_CXX_ABI=libc++ \
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$SRC_DIR
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$BUILDCMD ${CORES+-j$CORES}
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$BUILDCMD install
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mkdir -p "$PREFIX/$arch-w64-mingw32/bin"
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if [ -n "$SANITIZERS" ]; then
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mv "$CLANG_RESOURCE_DIR/lib/windows/"*.dll "$PREFIX/$arch-w64-mingw32/bin"
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fi
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cd ..
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done
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