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#!/bin/sh
set -e
BUILD_STATIC=1
BUILD_SHARED=1
while [ $# -gt 0 ]; do
if [ "$1" = "--disable-shared" ]; then
BUILD_SHARED=
elif [ "$1" = "--enable-shared" ]; then
BUILD_SHARED=1
elif [ "$1" = "--disable-static" ]; then
BUILD_STATIC=
elif [ "$1" = "--enable-static" ]; then
BUILD_STATIC=1
else
PREFIX="$1"
fi
shift
done
if [ -z "$PREFIX" ]; then
echo $0 [--disable-shared] [--disable-static] dest
exit 1
fi
mkdir -p "$PREFIX"
PREFIX="$(cd "$PREFIX" && pwd)"
export PATH=$PREFIX/bin:$PATH
: ${CORES:=$(nproc 2>/dev/null)}
: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
: ${CORES:=4}
: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
if [ ! -d llvm-project/libunwind ] || [ -n "$SYNC" ]; then
CHECKOUT_ONLY=1 ./build-llvm.sh
fi
cd llvm-project
LIBCXX=$(pwd)/libcxx
case $(uname) in
MINGW*)
CMAKE_GENERATOR="MSYS Makefiles"
;;
*)
;;
esac
build_all() {
type="$1"
if [ "$type" = "shared" ]; then
SHARED=TRUE
STATIC=FALSE
else
SHARED=FALSE
STATIC=TRUE
fi
cd libunwind
for arch in $ARCHS; do
mkdir -p build-$arch-$type
cd build-$arch-$type
# CXX_SUPPORTS_CXX11 is not strictly necessary here. But if building
# with a stripped llvm install, and the system happens to have an older
# llvm-config in /usr/bin, it can end up including older cmake files,
# and then CXX_SUPPORTS_CXX11 needs to be set.
cmake \
${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-DCMAKE_CROSSCOMPILING=TRUE \
-DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_C_COMPILER_WORKS=TRUE \
-DCMAKE_CXX_COMPILER_WORKS=TRUE \
-DLLVM_COMPILER_CHECKED=TRUE \
-DCMAKE_AR=$PREFIX/bin/llvm-ar \
-DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
-DCXX_SUPPORTS_CXX11=TRUE \
-DCXX_SUPPORTS_CXX_STD=TRUE \
-DLIBUNWIND_USE_COMPILER_RT=TRUE \
-DLIBUNWIND_ENABLE_THREADS=TRUE \
-DLIBUNWIND_ENABLE_SHARED=$SHARED \
-DLIBUNWIND_ENABLE_STATIC=$STATIC \
-DLIBUNWIND_ENABLE_CROSS_UNWINDING=FALSE \
-DCMAKE_CXX_FLAGS="-Wno-dll-attribute-on-redeclaration" \
-DCMAKE_C_FLAGS="-Wno-dll-attribute-on-redeclaration" \
-DCMAKE_SHARED_LINKER_FLAGS="-lpsapi" \
..
make -j$CORES
make install
if [ "$type" = "shared" ]; then
mkdir -p $PREFIX/$arch-w64-mingw32/bin
cp lib/libunwind.dll $PREFIX/$arch-w64-mingw32/bin
else
# Merge libpsapi.a into the static library libunwind.a, to
# avoid having to specify -lpsapi when linking to it.
llvm-ar qcsL \
$PREFIX/$arch-w64-mingw32/lib/libunwind.a \
$PREFIX/$arch-w64-mingw32/lib/libpsapi.a
fi
cd ..
done
cd ..
cd libcxxabi
for arch in $ARCHS; do
mkdir -p build-$arch-$type
cd build-$arch-$type
if [ "$type" = "shared" ]; then
LIBCXXABI_VISIBILITY_FLAGS="-D_LIBCPP_BUILDING_LIBRARY= -U_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS"
else
LIBCXXABI_VISIBILITY_FLAGS="-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS"
fi
cmake \
${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-DCMAKE_CROSSCOMPILING=TRUE \
-DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_C_COMPILER_WORKS=TRUE \
-DCMAKE_CXX_COMPILER_WORKS=TRUE \
-DLLVM_COMPILER_CHECKED=TRUE \
-DCMAKE_AR=$PREFIX/bin/llvm-ar \
-DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
-DLIBCXXABI_USE_COMPILER_RT=ON \
-DLIBCXXABI_ENABLE_EXCEPTIONS=ON \
-DLIBCXXABI_ENABLE_THREADS=ON \
-DLIBCXXABI_TARGET_TRIPLE=$arch-w64-mingw32 \
-DLIBCXXABI_ENABLE_SHARED=OFF \
-DLIBCXXABI_LIBCXX_INCLUDES=../../libcxx/include \
-DLIBCXXABI_LIBDIR_SUFFIX="" \
-DLIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS=OFF \
-DCXX_SUPPORTS_CXX_STD=TRUE \
-DCMAKE_CXX_FLAGS="$LIBCXXABI_VISIBILITY_FLAGS -D_LIBCPP_HAS_THREAD_API_WIN32" \
..
make -j$CORES
cd ..
done
cd ..
cd libcxx
for arch in $ARCHS; do
mkdir -p build-$arch-$type
cd build-$arch-$type
if [ "$type" = "shared" ]; then
LIBCXX_VISIBILITY_FLAGS="-D_LIBCXXABI_BUILDING_LIBRARY"
else
LIBCXX_VISIBILITY_FLAGS="-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS"
fi
cmake \
${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-DCMAKE_CROSSCOMPILING=TRUE \
-DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_C_COMPILER_WORKS=TRUE \
-DCMAKE_CXX_COMPILER_WORKS=TRUE \
-DLLVM_COMPILER_CHECKED=TRUE \
-DCMAKE_AR=$PREFIX/bin/llvm-ar \
-DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
-DLIBCXX_USE_COMPILER_RT=ON \
-DLIBCXX_INSTALL_HEADERS=ON \
-DLIBCXX_ENABLE_EXCEPTIONS=ON \
-DLIBCXX_ENABLE_THREADS=ON \
-DLIBCXX_HAS_WIN32_THREAD_API=ON \
-DLIBCXX_ENABLE_MONOTONIC_CLOCK=ON \
-DLIBCXX_ENABLE_SHARED=$SHARED \
-DLIBCXX_ENABLE_STATIC=$STATIC \
-DLIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG=TRUE \
-DLIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB=TRUE \
-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \
-DLIBCXX_ENABLE_FILESYSTEM=OFF \
-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE \
-DLIBCXX_CXX_ABI=libcxxabi \
-DLIBCXX_CXX_ABI_INCLUDE_PATHS=../../libcxxabi/include \
-DLIBCXX_CXX_ABI_LIBRARY_PATH=../../libcxxabi/build-$arch-$type/lib \
-DLIBCXX_LIBDIR_SUFFIX="" \
-DLIBCXX_INCLUDE_TESTS=FALSE \
-DCMAKE_CXX_FLAGS="$LIBCXX_VISIBILITY_FLAGS" \
-DCMAKE_SHARED_LINKER_FLAGS="-lunwind" \
-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=FALSE \
..
make -j$CORES
make install
if [ "$type" = "shared" ]; then
llvm-ar qcsL \
$PREFIX/$arch-w64-mingw32/lib/libc++.dll.a \
$PREFIX/$arch-w64-mingw32/lib/libunwind.dll.a
cp lib/libc++.dll $PREFIX/$arch-w64-mingw32/bin
else
llvm-ar qcsL \
$PREFIX/$arch-w64-mingw32/lib/libc++.a \
$PREFIX/$arch-w64-mingw32/lib/libunwind.a
fi
cd ..
done
cd ..
}
# Build shared first and static afterwards; the headers for static linking also
# work when linking against the DLL, but not vice versa.
[ -z "$BUILD_SHARED" ] || build_all shared
[ -z "$BUILD_STATIC" ] || build_all static
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