Martin Storsjö
c1f96ba002
If the libcxx headers already have been installed, adding -I$LIBCXX/include to the include path breaks some C standard headers. The libcxx installation provides e.g. stdlib.h, which does an #include_next <stdlib.h>. If the include path includes both $LIBCXX/include and the libcxx headers installed to the target sysroot, the #include_next will pick up the same header from the next include directory. And due to include guards, the second inclusion of the libcxx version of the header does nothing at all, instead of doing yet another #include_next for picking up the real version of the header. By adding -nostdinc++, we avoid the possibly installed version of these headers. This fixes rebuilding libunwind after libcxx has been built and installed.
143 lines
4.5 KiB
Bash
Executable File
143 lines
4.5 KiB
Bash
Executable File
#!/bin/sh
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set -e
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if [ $# -lt 1 ]; then
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echo $0 dest
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exit 1
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fi
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PREFIX="$1"
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export PATH=$PREFIX/bin:$PATH
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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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cd libunwind
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git checkout 2ddcf2461daa5d61c543474aed06b12a8b9ad816
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cd ..
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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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cd libcxxabi
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git checkout 05ba3281482304ae8de31123a594972a495da06d
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cd ..
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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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cd libcxx
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git checkout 16eb426933cdb1c54fd6fbba5fc06cc5a4ca52b3
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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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cd libunwind
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for arch in $ARCHS; do
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mkdir -p build-$arch
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cd build-$arch
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cmake \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX=$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=$PREFIX/bin/llvm-ranlib \
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-DLLVM_NO_OLD_LIBSTDCXX=TRUE \
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-DCXX_SUPPORTS_CXX11=TRUE \
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-DLIBUNWIND_USE_COMPILER_RT=TRUE \
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-DLIBUNWIND_ENABLE_THREADS=TRUE \
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-DLIBUNWIND_ENABLE_SHARED=FALSE \
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-DLIBUNWIND_ENABLE_CROSS_UNWINDING=FALSE \
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-DCMAKE_CXX_FLAGS="-nostdinc++ -I$LIBCXX/include" \
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..
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make -j$CORES
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make install
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# Merge libpsapi.a into the static library libunwind.a, to
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# avoid having to specify -lpsapi when linking to it.
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$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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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
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cd build-$arch
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cmake \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX=$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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-DLLVM_NO_OLD_LIBSTDCXX=TRUE \
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-DCXX_SUPPORTS_CXX11=TRUE \
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-DCMAKE_CXX_FLAGS="-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS" \
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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
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cd build-$arch
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cmake \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX=$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=$PREFIX/bin/llvm-ranlib \
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-DLIBCXX_USE_COMPILER_RT=ON \
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-DLIBCXX_INSTALL_HEADERS=ON \
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-DLIBCXX_ENABLE_EXCEPTIONS=ON \
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-DLIBCXX_ENABLE_THREADS=ON \
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-DLIBCXX_HAS_WIN32_THREAD_API=ON \
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-DLIBCXX_ENABLE_MONOTONIC_CLOCK=ON \
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-DLIBCXX_ENABLE_SHARED=OFF \
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-DLIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG=TRUE \
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-DLIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB=TRUE \
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-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \
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-DLIBCXX_ENABLE_FILESYSTEM=OFF \
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-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE \
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-DLIBCXX_CXX_ABI=libcxxabi \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS=../../libcxxabi/include \
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-DLIBCXX_CXX_ABI_LIBRARY_PATH=../../libcxxabi/build-$arch/lib \
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-DCMAKE_CXX_FLAGS="-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS" \
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..
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make -j$CORES
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make install
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$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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cd ..
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done
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cd ..
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ln -sf ../$(echo $ARCHS | awk '{print $1}')-w64-mingw32/include/c++ $PREFIX/include/c++
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