diff options
Diffstat (limited to '')
-rwxr-xr-x | taskcluster/scripts/misc/wr-macos-cross-build-setup.sh | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh b/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh new file mode 100755 index 0000000000..bfed36012c --- /dev/null +++ b/taskcluster/scripts/misc/wr-macos-cross-build-setup.sh @@ -0,0 +1,60 @@ +#!/bin/bash +set -x -e -v + +export TARGET_TRIPLE="x86_64-apple-darwin" + +MACOS_SYSROOT="${MOZ_FETCHES_DIR}/MacOSX14.2.sdk" +CLANGDIR="${MOZ_FETCHES_DIR}/clang" + +# Deploy the wrench dependencies +mv ${MOZ_FETCHES_DIR}/wrench-deps/{vendor,.cargo} "${GECKO_PATH}/gfx/wr/" + +# Building wrench with the `headless` feature also builds the osmesa-src crate, +# which includes building C++ code. We have to do a bunch of shenanigans +# to make this cross-compile properly. + +pushd "${MOZ_FETCHES_DIR}/clang/bin" + +# Add a pkg-config cross-compile wrapper. Without this, the configure script +# will use pkg-config from the host, which will find host libraries that are +# not what we want. This script stolen from +# https://autotools.io/pkgconfig/cross-compiling.html +cat > ${TARGET_TRIPLE}-pkg-config <<END_PKGCONFIG_WRAPPER +#!/bin/sh +export PKG_CONFIG_DIR= +export PKG_CONFIG_LIBDIR=${MACOS_SYSROOT}/usr/lib/pkgconfig:${MACOS_SYSROOT}/usr/share/pkgconfig +export PKG_CONFIG_SYSROOT_DIR=${MACOS_SYSROOT} +exec pkg-config "\$@" +END_PKGCONFIG_WRAPPER +chmod +x "${TARGET_TRIPLE}-pkg-config" +popd + +[ -d "${MOZ_FETCHES_DIR}/clang-mac/clang" ] && cat > ${MOZ_FETCHES_DIR}/clang-mac/clang/bin/llvm-config <<EOF_LLVM_CONFIG +#!/bin/sh +${MOZ_FETCHES_DIR}/clang/bin/llvm-config "\$@" | sed 's,${MOZ_FETCHES_DIR}/clang,${MOZ_FETCHES_DIR}/clang-mac/clang,g;s,-lLLVM-[0-9]\+,-lLLVM,g' +EOF_LLVM_CONFIG + +export PATH="${MOZ_FETCHES_DIR}/rustc/bin:${MOZ_FETCHES_DIR}/clang/bin:${MOZ_FETCHES_DIR}/wrench-deps/meson:${PATH}" + +# Tell the configure script where to find zlib, because otherwise it tries +# to use pkg-config to find it, which fails (no .pc file in the macos SDK). +export ZLIB_CFLAGS="-I${MACOS_SYSROOT}/usr/include" +export ZLIB_LIBS="-L${MACOS_SYSROOT}/usr/lib -lz" + +# Set up compiler and flags for cross-compile. Careful to only export the +# target-specific CFLAGS/CXXFLAGS variables, to not break any host builds. +export CC="${CLANGDIR}/bin/clang" +TARGET_CFLAGS="-fuse-ld=lld -target ${TARGET_TRIPLE} -mmacosx-version-min=10.12 --rtlib=compiler-rt --sysroot ${MACOS_SYSROOT} -Qunused-arguments" +export CFLAGS_${TARGET_TRIPLE//-/_}="${TARGET_CFLAGS}" +export CXX="${CLANGDIR}/bin/clang++" +TARGET_CXXFLAGS="-fuse-ld=lld -target ${TARGET_TRIPLE} -mmacosx-version-min=10.12 --rtlib=compiler-rt --sysroot ${MACOS_SYSROOT} -stdlib=libc++ -Qunused-arguments" +export CXXFLAGS_${TARGET_TRIPLE//-/_}="${TARGET_CXXFLAGS}" +export AR="${CLANGDIR}/bin/llvm-ar" + +# See documentation in cargo-linker for why we need this. TL;DR is that passing +# the right arguments to the linker when invoked by cargo is nigh impossible +# without this. +export MOZ_CARGO_WRAP_LD="${CC}" +export MOZ_CARGO_WRAP_LD_CXX="${CXX}" +export MOZ_CARGO_WRAP_LDFLAGS="${TARGET_CFLAGS}" +export CARGO_TARGET_X86_64_APPLE_DARWIN_LINKER="${GECKO_PATH}/build/cargo-linker" |