Martin Storsjö
7a86e4ce73
This is set via a cmake option when building libcxx, but libcxxabi uses the raw libcxx headers from its include directory before they are installed. This fixes cases of inconsistent classes seen while compiling libcxxabi and libcxx. With potential future patches to clang to adjust how classes are exported with dllexport, this change is needed to avoid conflicts.
241 lines
8.2 KiB
Bash
Executable File
241 lines
8.2 KiB
Bash
Executable File
#!/bin/sh
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set -e
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BUILD_STATIC=1
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BUILD_SHARED=1
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while [ $# -gt 0 ]; do
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if [ "$1" = "--disable-shared" ]; then
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BUILD_SHARED=
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elif [ "$1" = "--enable-shared" ]; then
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BUILD_SHARED=1
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elif [ "$1" = "--disable-static" ]; then
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BUILD_STATIC=
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elif [ "$1" = "--enable-static" ]; then
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BUILD_STATIC=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 $0 [--disable-shared] [--disable-static] dest
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exit 1
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fi
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mkdir -p "$PREFIX"
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PREFIX="$(cd "$PREFIX" && pwd)"
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export PATH=$PREFIX/bin:$PATH
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: ${CORES:=$(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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: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
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if [ ! -d libunwind ]; then
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git clone -b master https://github.com/llvm-mirror/libunwind.git
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CHECKOUT_LIBUNWIND=1
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fi
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if [ ! -d libcxxabi ]; then
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git clone -b master https://github.com/llvm-mirror/libcxxabi.git
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CHECKOUT_LIBCXXABI=1
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fi
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if [ ! -d libcxx ]; then
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git clone -b master https://github.com/llvm-mirror/libcxx.git
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CHECKOUT_LIBCXX=1
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fi
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if [ -n "$SYNC" ] || [ -n "$CHECKOUT_LIBUNWIND" ]; then
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cd libunwind
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[ -z "$SYNC" ] || git fetch
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git checkout 1f89d78bb488bc71cfdee8281fc0834e9fbe5dce
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cd ..
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fi
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if [ -n "$SYNC" ] || [ -n "$CHECKOUT_LIBCXXABI" ]; then
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cd libcxxabi
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[ -z "$SYNC" ] || git fetch
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git checkout 5f7425947f303be5ca9b1a6471471d92d209f498
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cd ..
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fi
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if [ -n "$SYNC" ] || [ -n "$CHECKOUT_LIBCXX" ]; then
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cd libcxx
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[ -z "$SYNC" ] || git fetch
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git checkout 8220dac54c22c42a5ec2a32a0ed50343a2ea4775
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cd ..
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fi
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LIBCXX=$(pwd)/libcxx
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MERGE_ARCHIVES=$(pwd)/merge-archives.sh
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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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build_all() {
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type="$1"
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if [ "$type" = "shared" ]; then
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SHARED=TRUE
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STATIC=FALSE
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else
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SHARED=FALSE
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STATIC=TRUE
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fi
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cd libunwind
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for arch in $ARCHS; do
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mkdir -p build-$arch-$type
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cd build-$arch-$type
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# If llvm-config and the llvm cmake files are available, -w gets added
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# to the compiler flags; manually add it here to avoid noisy warnings
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# that normally are suppressed.
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cmake \
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${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
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-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
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-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
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-DCMAKE_CROSSCOMPILING=TRUE \
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-DCMAKE_SYSTEM_NAME=Windows \
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-DCMAKE_C_COMPILER_WORKS=TRUE \
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-DCMAKE_CXX_COMPILER_WORKS=TRUE \
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-DCMAKE_AR=$PREFIX/bin/llvm-ar \
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-DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
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-DLLVM_NO_OLD_LIBSTDCXX=TRUE \
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-DCXX_SUPPORTS_CXX11=TRUE \
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-DLIBUNWIND_USE_COMPILER_RT=TRUE \
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-DLIBUNWIND_ENABLE_THREADS=TRUE \
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-DLIBUNWIND_ENABLE_SHARED=$SHARED \
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-DLIBUNWIND_ENABLE_STATIC=$STATIC \
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-DLIBUNWIND_ENABLE_CROSS_UNWINDING=FALSE \
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-DLIBUNWIND_STANDALONE_BUILD=TRUE \
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-DCMAKE_CXX_FLAGS="-nostdinc++ -I$LIBCXX/include -w" \
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-DCMAKE_C_FLAGS="-w" \
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-DCMAKE_SHARED_LINKER_FLAGS="-lpsapi" \
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..
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make -j$CORES
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make install
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if [ "$type" = "shared" ]; then
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mkdir -p $PREFIX/$arch-w64-mingw32/bin
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cp lib/libunwind.dll $PREFIX/$arch-w64-mingw32/bin
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else
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# Merge libpsapi.a into the static library libunwind.a, to
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# avoid having to specify -lpsapi when linking to it.
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$MERGE_ARCHIVES \
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$PREFIX/$arch-w64-mingw32/lib/libunwind.a \
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$PREFIX/$arch-w64-mingw32/lib/libpsapi.a
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fi
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cd ..
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done
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cd ..
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cd libcxxabi
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for arch in $ARCHS; do
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mkdir -p build-$arch-$type
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cd build-$arch-$type
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# If llvm-config and the llvm cmake files are available, -w gets added
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# to the compiler flags; manually add it here to avoid noisy warnings
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# that normally are suppressed.
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if [ "$type" = "shared" ]; then
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LIBCXXABI_VISIBILITY_FLAGS="-D_LIBCPP_BUILDING_LIBRARY -U_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS"
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else
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LIBCXXABI_VISIBILITY_FLAGS="-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS"
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fi
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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=$PREFIX/$arch-w64-mingw32 \
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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_CROSSCOMPILING=TRUE \
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-DCMAKE_SYSTEM_NAME=Windows \
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-DCMAKE_C_COMPILER_WORKS=TRUE \
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-DCMAKE_CXX_COMPILER_WORKS=TRUE \
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-DCMAKE_AR=$PREFIX/bin/llvm-ar \
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-DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
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-DLIBCXXABI_USE_COMPILER_RT=ON \
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-DLIBCXXABI_ENABLE_EXCEPTIONS=ON \
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-DLIBCXXABI_ENABLE_THREADS=ON \
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-DLIBCXXABI_TARGET_TRIPLE=$arch-w64-mingw32 \
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-DLIBCXXABI_ENABLE_SHARED=OFF \
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-DLIBCXXABI_LIBCXX_INCLUDES=../../libcxx/include \
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-DLIBCXXABI_LIBDIR_SUFFIX="" \
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-DLIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS=OFF \
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-DLLVM_NO_OLD_LIBSTDCXX=TRUE \
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-DCXX_SUPPORTS_CXX11=TRUE \
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-DCMAKE_CXX_FLAGS="$LIBCXXABI_VISIBILITY_FLAGS -D_LIBCPP_HAS_THREAD_API_WIN32 -D_LIBCPP_ABI_UNSTABLE -w" \
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..
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make -j$CORES
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cd ..
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done
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cd ..
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cd libcxx
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for arch in $ARCHS; do
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mkdir -p build-$arch-$type
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cd build-$arch-$type
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if [ "$type" = "shared" ]; then
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LIBCXX_VISIBILITY_FLAGS="-D_LIBCXXABI_BUILDING_LIBRARY"
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else
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LIBCXX_VISIBILITY_FLAGS="-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS"
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fi
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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=$PREFIX/$arch-w64-mingw32 \
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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_CROSSCOMPILING=TRUE \
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-DCMAKE_SYSTEM_NAME=Windows \
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-DCMAKE_C_COMPILER_WORKS=TRUE \
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-DCMAKE_CXX_COMPILER_WORKS=TRUE \
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-DCMAKE_AR=$PREFIX/bin/llvm-ar \
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-DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
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-DLIBCXX_USE_COMPILER_RT=ON \
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-DLIBCXX_INSTALL_HEADERS=ON \
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-DLIBCXX_ENABLE_EXCEPTIONS=ON \
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-DLIBCXX_ENABLE_THREADS=ON \
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-DLIBCXX_HAS_WIN32_THREAD_API=ON \
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-DLIBCXX_ENABLE_MONOTONIC_CLOCK=ON \
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-DLIBCXX_ENABLE_SHARED=$SHARED \
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-DLIBCXX_ENABLE_STATIC=$STATIC \
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-DLIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG=TRUE \
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-DLIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB=TRUE \
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-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \
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-DLIBCXX_ENABLE_FILESYSTEM=OFF \
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-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE \
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-DLIBCXX_ABI_UNSTABLE=TRUE \
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-DLIBCXX_CXX_ABI=libcxxabi \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS=../../libcxxabi/include \
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-DLIBCXX_CXX_ABI_LIBRARY_PATH=../../libcxxabi/build-$arch-$type/lib \
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-DLIBCXX_LIBDIR_SUFFIX="" \
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-DCMAKE_CXX_FLAGS="$LIBCXX_VISIBILITY_FLAGS" \
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-DCMAKE_SHARED_LINKER_FLAGS="-lunwind -Wl,--export-all-symbols" \
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-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=FALSE \
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..
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make -j$CORES
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make install
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if [ "$type" = "shared" ]; then
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$MERGE_ARCHIVES \
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$PREFIX/$arch-w64-mingw32/lib/libc++.dll.a \
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$PREFIX/$arch-w64-mingw32/lib/libunwind.dll.a
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cp lib/libc++.dll $PREFIX/$arch-w64-mingw32/bin
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else
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$MERGE_ARCHIVES \
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$PREFIX/$arch-w64-mingw32/lib/libc++.a \
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$PREFIX/$arch-w64-mingw32/lib/libunwind.a
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fi
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cd ..
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done
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cd ..
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}
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# Build shared first and static afterwards; the headers for static linking also
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# work when linking against the DLL, but not vice versa.
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[ -z "$BUILD_SHARED" ] || build_all shared
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[ -z "$BUILD_STATIC" ] || build_all static
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