Build libunwind and libcxx both as static and dynamic libraries

build-libcxx.sh

@@ -2,11 +2,23 @@
 
 set -e
 
-if [ $# -lt 1 ]; then
-    echo $0 dest
+BUILD_STATIC=1
+BUILD_SHARED=1
+
+while [ $# -gt 0 ]; do
+    if [ "$1" = "--disable-shared" ]; then
+        BUILD_SHARED=
+    elif [ "$1" = "--disable-static" ]; then
+        BUILD_STATIC=
+    else
+        PREFIX="$1"
+    fi
+    shift
+done
+if [ -z "$PREFIX" ]; then
+    echo $0 [--disable-shared] [--disable-static] dest
     exit 1
 fi
-PREFIX="$1"
 export PATH=$PREFIX/bin:$PATH
 
 : ${CORES:=4}
@@ -46,116 +58,159 @@ fi
 LIBCXX=$(pwd)/libcxx
 MERGE_ARCHIVES=$(pwd)/merge-archives.sh
 
-cd libunwind
-for arch in $ARCHS; do
-    mkdir -p build-$arch
-    cd build-$arch
-    # If llvm-config and the llvm cmake files are available, -w gets added
-    # to the compiler flags; manually add it here to avoid noisy warnings
-    # that normally are suppressed.
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
-        -DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-        -DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-        -DCMAKE_CROSSCOMPILING=TRUE \
-        -DCMAKE_SYSTEM_NAME=Windows \
-        -DCMAKE_C_COMPILER_WORKS=TRUE \
-        -DCMAKE_CXX_COMPILER_WORKS=TRUE \
-        -DCMAKE_AR=$PREFIX/bin/llvm-ar \
-        -DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
-        -DLLVM_NO_OLD_LIBSTDCXX=TRUE \
-        -DCXX_SUPPORTS_CXX11=TRUE \
-        -DLIBUNWIND_USE_COMPILER_RT=TRUE \
-        -DLIBUNWIND_ENABLE_THREADS=TRUE \
-        -DLIBUNWIND_ENABLE_SHARED=FALSE \
-        -DLIBUNWIND_ENABLE_CROSS_UNWINDING=FALSE \
-        -DLIBUNWIND_STANDALONE_BUILD=TRUE \
-        -DCMAKE_CXX_FLAGS="-nostdinc++ -I$LIBCXX/include -w" \
-        -DCMAKE_C_FLAGS="-w" \
-        ..
-    make -j$CORES
-    make install
-    # Merge libpsapi.a into the static library libunwind.a, to
-    # avoid having to specify -lpsapi when linking to it.
-    $MERGE_ARCHIVES \
-        $PREFIX/$arch-w64-mingw32/lib/libunwind.a \
-        $PREFIX/$arch-w64-mingw32/lib/libpsapi.a
-    cd ..
-done
-cd ..
+build_all() {
+    type="$1"
+    if [ "$type" = "shared" ]; then
+        SHARED=TRUE
+        STATIC=FALSE
+    else
+        SHARED=FALSE
+        STATIC=TRUE
+    fi
 
-cd libcxxabi
-for arch in $ARCHS; do
-    mkdir -p build-$arch
-    cd build-$arch
-    # If llvm-config and the llvm cmake files are available, -w gets added
-    # to the compiler flags; manually add it here to avoid noisy warnings
-    # that normally are suppressed.
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
-        -DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-        -DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-        -DCMAKE_CROSSCOMPILING=TRUE \
-        -DCMAKE_SYSTEM_NAME=Windows \
-        -DCMAKE_C_COMPILER_WORKS=TRUE \
-        -DCMAKE_CXX_COMPILER_WORKS=TRUE \
-        -DCMAKE_AR=$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_ENABLE_NEW_DELETE_DEFINITIONS=OFF \
-        -DLLVM_NO_OLD_LIBSTDCXX=TRUE \
-        -DCXX_SUPPORTS_CXX11=TRUE \
-        -DCMAKE_CXX_FLAGS="-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS -D_LIBCPP_HAS_THREAD_API_WIN32 -w" \
-        ..
-    make -j$CORES
+    cd libunwind
+    for arch in $ARCHS; do
+        mkdir -p build-$arch-$type
+        cd build-$arch-$type
+        # If llvm-config and the llvm cmake files are available, -w gets added
+        # to the compiler flags; manually add it here to avoid noisy warnings
+        # that normally are suppressed.
+        cmake \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
+            -DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
+            -DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
+            -DCMAKE_CROSSCOMPILING=TRUE \
+            -DCMAKE_SYSTEM_NAME=Windows \
+            -DCMAKE_C_COMPILER_WORKS=TRUE \
+            -DCMAKE_CXX_COMPILER_WORKS=TRUE \
+            -DCMAKE_AR=$PREFIX/bin/llvm-ar \
+            -DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
+            -DLLVM_NO_OLD_LIBSTDCXX=TRUE \
+            -DCXX_SUPPORTS_CXX11=TRUE \
+            -DLIBUNWIND_USE_COMPILER_RT=TRUE \
+            -DLIBUNWIND_ENABLE_THREADS=TRUE \
+            -DLIBUNWIND_ENABLE_SHARED=$SHARED \
+            -DLIBUNWIND_ENABLE_STATIC=$STATIC \
+            -DLIBUNWIND_ENABLE_CROSS_UNWINDING=FALSE \
+            -DLIBUNWIND_STANDALONE_BUILD=TRUE \
+            -DCMAKE_CXX_FLAGS="-nostdinc++ -I$LIBCXX/include -w" \
+            -DCMAKE_C_FLAGS="-w" \
+            -DCMAKE_SHARED_LINKER_FLAGS="-lpsapi" \
+            ..
+        make -j$CORES
+        make install
+        if [ "$type" = "shared" ]; then
+            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.
+            $MERGE_ARCHIVES \
+                $PREFIX/$arch-w64-mingw32/lib/libunwind.a \
+                $PREFIX/$arch-w64-mingw32/lib/libpsapi.a
+        fi
+        cd ..
+    done
     cd ..
-done
-cd ..
 
-cd libcxx
-for arch in $ARCHS; do
-    mkdir -p build-$arch
-    cd build-$arch
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DCMAKE_INSTALL_PREFIX=$PREFIX/$arch-w64-mingw32 \
-        -DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-        -DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-        -DCMAKE_CROSSCOMPILING=TRUE \
-        -DCMAKE_SYSTEM_NAME=Windows \
-        -DCMAKE_C_COMPILER_WORKS=TRUE \
-        -DCMAKE_CXX_COMPILER_WORKS=TRUE \
-        -DCMAKE_AR=$PREFIX/bin/llvm-ar \
-        -DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
-        -DLIBCXX_USE_COMPILER_RT=ON \
-        -DLIBCXX_INSTALL_HEADERS=ON \
-        -DLIBCXX_ENABLE_EXCEPTIONS=ON \
-        -DLIBCXX_ENABLE_THREADS=ON \
-        -DLIBCXX_HAS_WIN32_THREAD_API=ON \
-        -DLIBCXX_ENABLE_MONOTONIC_CLOCK=ON \
-        -DLIBCXX_ENABLE_SHARED=OFF \
-        -DLIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG=TRUE \
-        -DLIBCXX_HAVE_CXX_ATOMICS_WITHOUT_LIB=TRUE \
-        -DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \
-        -DLIBCXX_ENABLE_FILESYSTEM=OFF \
-        -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE \
-        -DLIBCXX_CXX_ABI=libcxxabi \
-        -DLIBCXX_CXX_ABI_INCLUDE_PATHS=../../libcxxabi/include \
-        -DLIBCXX_CXX_ABI_LIBRARY_PATH=../../libcxxabi/build-$arch/lib \
-        -DCMAKE_CXX_FLAGS="-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS" \
-        ..
-    make -j$CORES
-    make install
-    $MERGE_ARCHIVES \
-        $PREFIX/$arch-w64-mingw32/lib/libc++.a \
-        $PREFIX/$arch-w64-mingw32/lib/libunwind.a
+    cd libcxxabi
+    for arch in $ARCHS; do
+        mkdir -p build-$arch-$type
+        cd build-$arch-$type
+        # If llvm-config and the llvm cmake files are available, -w gets added
+        # to the compiler flags; manually add it here to avoid noisy warnings
+        # that normally are suppressed.
+        if [ "$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 \
+            -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 \
+            -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=$arch-w64-mingw32 \
+            -DLIBCXXABI_ENABLE_SHARED=OFF \
+            -DLIBCXXABI_LIBCXX_INCLUDES=../../libcxx/include \
+            -DLIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS=OFF \
+            -DLLVM_NO_OLD_LIBSTDCXX=TRUE \
+            -DCXX_SUPPORTS_CXX11=TRUE \
+            -DCMAKE_CXX_FLAGS="$LIBCXXABI_VISIBILITY_FLAGS -D_LIBCPP_HAS_THREAD_API_WIN32 -w" \
+            ..
+        make -j$CORES
+        cd ..
+    done
     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 \
+            -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 \
+            -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_ABI_UNSTABLE=TRUE \
+            -DLIBCXX_CXX_ABI=libcxxabi \
+            -DLIBCXX_CXX_ABI_INCLUDE_PATHS=../../libcxxabi/include \
+            -DLIBCXX_CXX_ABI_LIBRARY_PATH=../../libcxxabi/build-$arch-$type/lib \
+            -DCMAKE_CXX_FLAGS="$LIBCXX_VISIBILITY_FLAGS" \
+            -DCMAKE_SHARED_LINKER_FLAGS="-lunwind -Wl,--export-all-symbols" \
+            -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=FALSE \
+            ..
+        make -j$CORES
+        make install
+        if [ "$type" = "shared" ]; then
+            $MERGE_ARCHIVES \
+                $PREFIX/$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
+            $MERGE_ARCHIVES \
+                $PREFIX/$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