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-rwxr-xr-xtaskcluster/scripts/misc/build-clang-mingw.sh254
1 files changed, 254 insertions, 0 deletions
diff --git a/taskcluster/scripts/misc/build-clang-mingw.sh b/taskcluster/scripts/misc/build-clang-mingw.sh
new file mode 100755
index 0000000000..2e8543b38e
--- /dev/null
+++ b/taskcluster/scripts/misc/build-clang-mingw.sh
@@ -0,0 +1,254 @@
+#!/bin/bash
+set -x -e -v
+
+# This script is for building a mingw-clang toolchain for use on Linux.
+
+if [[ $# -eq 0 ]]; then
+ echo "Provide either x86 or x64 to specify a toolchain."
+ exit 1;
+elif [ "$1" == "x86" ]; then
+ machine="i686"
+ compiler_rt_machine="i386"
+ crt_flags="--enable-lib32 --disable-lib64"
+ WRAPPER_FLAGS=""
+elif [ "$1" == "x64" ]; then
+ machine="x86_64"
+ compiler_rt_machine="x86_64"
+ crt_flags="--disable-lib32 --enable-lib64"
+ WRAPPER_FLAGS=""
+else
+ echo "Provide either x86 or x64 to specify a toolchain."
+ exit 1;
+fi
+
+TOOLCHAIN_DIR=$MOZ_FETCHES_DIR/llvm-project
+INSTALL_DIR=$MOZ_FETCHES_DIR/clang
+CROSS_PREFIX_DIR=$INSTALL_DIR/$machine-w64-mingw32
+
+make_flags="-j$(nproc)"
+
+if [ -d "$MOZ_FETCHES_DIR/binutils/bin" ]; then
+ export PATH="$MOZ_FETCHES_DIR/binutils/bin:$PATH"
+fi
+
+# This is default value of _WIN32_WINNT. Gecko configure script explicitly sets this,
+# so this is not used to build Gecko itself. We default to 0x601, which is Windows 7.
+default_win32_winnt=0x601
+
+cd $GECKO_PATH
+
+patch_file2="$(pwd)/taskcluster/scripts/misc/mingw-dwrite_3.patch"
+patch_file3="$(pwd)/taskcluster/scripts/misc/mingw-unknown.patch"
+patch_file4="$(pwd)/taskcluster/scripts/misc/mingw-enum.patch"
+patch_file5="$(pwd)/taskcluster/scripts/misc/mingw-widl.patch"
+patch_file6="$(pwd)/taskcluster/scripts/misc/mingw-dispatchqueue.patch"
+patch_file10="$(pwd)/taskcluster/scripts/misc/mingw-ts_sd.patch"
+patch_file11="$(pwd)/taskcluster/scripts/misc/mingw-composition.patch"
+
+prepare() {
+ pushd $MOZ_FETCHES_DIR/mingw-w64
+ patch -p1 <$patch_file2
+ patch -p1 <$patch_file3
+ patch -p1 <$patch_file4
+ patch -p1 <$patch_file5
+ patch -p1 <$patch_file6
+ patch -p1 <$patch_file10
+ patch -p1 <$patch_file11
+ popd
+}
+
+install_wrappers() {
+ pushd $INSTALL_DIR/bin
+
+ compiler_flags="--sysroot \$DIR/../$machine-w64-mingw32 -rtlib=compiler-rt -stdlib=libc++ -fuse-ld=lld $WRAPPER_FLAGS -fuse-cxa-atexit -Qunused-arguments"
+
+ cat <<EOF >$machine-w64-mingw32-clang
+#!/bin/sh
+DIR="\$(cd "\$(dirname "\$0")" && pwd)"
+\$DIR/clang -target $machine-w64-mingw32 $compiler_flags "\$@"
+EOF
+ chmod +x $machine-w64-mingw32-clang
+
+ cat <<EOF >$machine-w64-mingw32-clang++
+#!/bin/sh
+DIR="\$(cd "\$(dirname "\$0")" && pwd)"
+\$DIR/clang -target $machine-w64-mingw32 --driver-mode=g++ $compiler_flags "\$@"
+EOF
+ chmod +x $machine-w64-mingw32-clang++
+
+ CC="$machine-w64-mingw32-clang"
+ CXX="$machine-w64-mingw32-clang++"
+
+ popd
+}
+
+build_mingw() {
+ mkdir mingw-w64-headers
+ pushd mingw-w64-headers
+ $MOZ_FETCHES_DIR/mingw-w64/mingw-w64-headers/configure \
+ --host=$machine-w64-mingw32 \
+ --enable-sdk=all \
+ --enable-idl \
+ --with-default-msvcrt=ucrt \
+ --with-default-win32-winnt=$default_win32_winnt \
+ --prefix=$CROSS_PREFIX_DIR
+ make $make_flags install
+ popd
+
+ mkdir mingw-w64-crt
+ pushd mingw-w64-crt
+ $MOZ_FETCHES_DIR/mingw-w64/mingw-w64-crt/configure \
+ --host=$machine-w64-mingw32 \
+ $crt_flags \
+ --with-default-msvcrt=ucrt \
+ CC="$CC" \
+ AR=llvm-ar \
+ RANLIB=llvm-ranlib \
+ DLLTOOL=llvm-dlltool \
+ --prefix=$CROSS_PREFIX_DIR
+ make $make_flags
+ make $make_flags install
+ popd
+
+ mkdir widl
+ pushd widl
+ $MOZ_FETCHES_DIR/mingw-w64/mingw-w64-tools/widl/configure --target=$machine-w64-mingw32 --prefix=$INSTALL_DIR
+ make $make_flags
+ make $make_flags install
+ popd
+}
+
+build_compiler_rt() {
+ CLANG_VERSION=$(basename $(dirname $(dirname $(dirname $($CC --print-libgcc-file-name -rtlib=compiler-rt)))))
+ mkdir compiler-rt
+ pushd compiler-rt
+ cmake \
+ -DCMAKE_BUILD_TYPE=Release \
+ -DCMAKE_C_COMPILER=$CC \
+ -DCMAKE_SYSTEM_NAME=Windows \
+ -DCMAKE_AR=$INSTALL_DIR/bin/llvm-ar \
+ -DCMAKE_RANLIB=$INSTALL_DIR/bin/llvm-ranlib \
+ -DCMAKE_C_COMPILER_WORKS=1 \
+ -DCMAKE_C_COMPILER_TARGET=$compiler_rt_machine-windows-gnu \
+ -DCOMPILER_RT_DEFAULT_TARGET_ONLY=TRUE \
+ $TOOLCHAIN_DIR/compiler-rt/lib/builtins
+ make $make_flags
+ mkdir -p $INSTALL_DIR/lib/clang/$CLANG_VERSION/lib/windows
+ cp lib/windows/libclang_rt.builtins-$compiler_rt_machine.a $INSTALL_DIR/lib/clang/$CLANG_VERSION/lib/windows/
+ popd
+}
+
+build_runtimes() {
+ # Below, we specify -g -gcodeview to build static libraries with debug information.
+ # Because we're not distributing these builds, this is fine. If one were to distribute
+ # the builds, perhaps one would want to make those flags conditional or investigation
+ # other options.
+ DEBUG_FLAGS="-g -gcodeview"
+
+ # First configure libcxx
+ mkdir runtimes
+ pushd runtimes
+ cmake \
+ -DCMAKE_BUILD_TYPE=Release \
+ -DCMAKE_INSTALL_PREFIX=$CROSS_PREFIX_DIR \
+ -DCMAKE_C_COMPILER=$CC \
+ -DCMAKE_CXX_COMPILER=$CXX \
+ -DCMAKE_CROSSCOMPILING=TRUE \
+ -DCMAKE_SYSTEM_NAME=Windows \
+ -DCMAKE_C_COMPILER_WORKS=TRUE \
+ -DCMAKE_CXX_COMPILER_WORKS=TRUE \
+ -DLLVM_COMPILER_CHECKED=TRUE \
+ -DCMAKE_AR=$INSTALL_DIR/bin/llvm-ar \
+ -DCMAKE_RANLIB=$INSTALL_DIR/bin/llvm-ranlib \
+ -DCMAKE_CXX_FLAGS="${DEBUG_FLAGS} -D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS" \
+ -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 \
+ -DLIBCXXABI_USE_LLVM_UNWINDER=TRUE \
+ -DLIBCXXABI_ENABLE_STATIC_UNWINDER=TRUE \
+ -DLLVM_NO_OLD_LIBSTDCXX=TRUE \
+ -DLIBUNWIND_USE_COMPILER_RT=TRUE \
+ -DLIBUNWIND_ENABLE_THREADS=TRUE \
+ -DLIBUNWIND_ENABLE_SHARED=FALSE \
+ -DLIBUNWIND_ENABLE_CROSS_UNWINDING=FALSE \
+ -DLIBUNWIND_CXX_FLAGS="${DEBUG_FLAGS} -Wno-dll-attribute-on-redeclaration -nostdinc++ -DPSAPI_VERSION=2" \
+ -DLIBUNWIND_C_FLAGS="-Wno-dll-attribute-on-redeclaration" \
+ -DLIBCXXABI_USE_COMPILER_RT=ON \
+ -DLIBCXXABI_ENABLE_EXCEPTIONS=ON \
+ -DLIBCXXABI_ENABLE_THREADS=ON \
+ -DLIBCXXABI_TARGET_TRIPLE=$machine-w64-mingw32 \
+ -DLIBCXXABI_ENABLE_SHARED=OFF \
+ -DLIBCXXABI_CXX_FLAGS="${DEBUG_FLAGS} -D_LIBCPP_HAS_THREAD_API_WIN32" \
+ -DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx;libunwind" \
+ $TOOLCHAIN_DIR/runtimes
+
+ make $make_flags VERBOSE=1
+ make $make_flags install
+
+ popd
+}
+
+build_libssp() {
+ pushd $MOZ_FETCHES_DIR/gcc-source/
+
+ # Massage the environment for the build-libssp.sh script
+ mkdir -p ./$machine-w64-mingw32/lib
+ cp $MOZ_FETCHES_DIR/llvm-mingw/libssp-Makefile .
+ sed -i 's/set -e/set -x -e -v/' $MOZ_FETCHES_DIR/llvm-mingw/build-libssp.sh
+ sed -i 's/(CROSS)gcc/(CROSS)clang/' libssp-Makefile
+ sed -i 's/\$(CROSS)ar/llvm-ar/' libssp-Makefile
+ OLDPATH=$PATH
+ PATH=$INSTALL_DIR/bin:$PATH
+
+ # Run the script
+ TOOLCHAIN_ARCHS=$machine $MOZ_FETCHES_DIR/llvm-mingw/build-libssp.sh .
+
+ # Grab the artifacts, cleanup
+ cp $MOZ_FETCHES_DIR/gcc-source/$machine-w64-mingw32/lib/{libssp.a,libssp_nonshared.a} $INSTALL_DIR/$machine-w64-mingw32/lib/
+ unset TOOLCHAIN_ARCHS
+ PATH=$OLDPATH
+ popd
+}
+
+build_utils() {
+ pushd $INSTALL_DIR/bin/
+ for prog in ar nm objcopy ranlib readobj strip; do
+ ln -s llvm-$prog $machine-w64-mingw32-$prog
+ done
+ ./clang $MOZ_FETCHES_DIR/llvm-mingw/wrappers/windres-wrapper.c -O2 -Wl,-s -o $machine-w64-mingw32-windres
+ popd
+}
+
+export PATH=$INSTALL_DIR/bin:$PATH
+
+prepare
+
+mkdir $TOOLCHAIN_DIR/build
+pushd $TOOLCHAIN_DIR/build
+
+install_wrappers
+build_mingw
+build_compiler_rt
+build_runtimes
+build_libssp
+build_utils
+
+popd
+
+# Put a tarball in the artifacts dir
+mkdir -p $UPLOAD_DIR
+
+pushd $(dirname $INSTALL_DIR)
+tar caf clangmingw.tar.zst clang
+mv clangmingw.tar.zst $UPLOAD_DIR
+popd