Martin Storsjö
972b3b2725
When rebuilding in an already built directory, cmake does use the cache file, containing what variables were set to previously. When changing build configuration (building with a different prefix, or changing build configurations) this can often result in failed cmake runs. Wipe the cache (and the rest of the cmake temp files) by default. This makes sure that the full cmake configuration is run each time when running the build scripts, just like it does the first time. (This doesn't remove the build artifacts; if nothing of significance has changed, ninja would still reuse old built files.) By setting the env variable NO_RECONF, this behaviour can be skipped, rerunning cmake without wiping the cache inbetween. (For cases where the user knows that the configuration hasn't changed since the last build, this can speed up the cmake execution time a bit.)
126 lines
3.6 KiB
Bash
Executable File
126 lines
3.6 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=
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CFGUARD_CFLAGS=
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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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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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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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[ -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_TARGET=$arch-windows-gnu \
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=TRUE \
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-DCOMPILER_RT_USE_BUILTINS_LIBRARY=TRUE \
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-DCOMPILER_RT_BUILD_BUILTINS=$BUILD_BUILTINS \
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-DLLVM_CONFIG_PATH="" \
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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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$SRC_DIR
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$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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