wr-macos-cross-build-setup.sh (2985B)
1 #!/bin/bash 2 set -x -e -v 3 4 export TARGET_TRIPLE="x86_64-apple-darwin" 5 6 MACOS_SYSROOT=$(ls -d $MOZ_FETCHES_DIR/MacOSX*.sdk) 7 CLANGDIR="${MOZ_FETCHES_DIR}/clang" 8 9 # Deploy the wrench dependencies 10 mv ${MOZ_FETCHES_DIR}/wrench-deps/{vendor,.cargo} "${GECKO_PATH}/gfx/wr/" 11 12 # Building wrench with the `headless` feature also builds the osmesa-src crate, 13 # which includes building C++ code. We have to do a bunch of shenanigans 14 # to make this cross-compile properly. 15 16 pushd "${MOZ_FETCHES_DIR}/clang/bin" 17 18 # Add a pkg-config cross-compile wrapper. Without this, the configure script 19 # will use pkg-config from the host, which will find host libraries that are 20 # not what we want. This script stolen from 21 # https://autotools.io/pkgconfig/cross-compiling.html 22 cat > ${TARGET_TRIPLE}-pkg-config <<END_PKGCONFIG_WRAPPER 23 #!/bin/sh 24 export PKG_CONFIG_DIR= 25 export PKG_CONFIG_LIBDIR=${MACOS_SYSROOT}/usr/lib/pkgconfig:${MACOS_SYSROOT}/usr/share/pkgconfig 26 export PKG_CONFIG_SYSROOT_DIR=${MACOS_SYSROOT} 27 exec pkg-config "\$@" 28 END_PKGCONFIG_WRAPPER 29 chmod +x "${TARGET_TRIPLE}-pkg-config" 30 popd 31 32 [ -d "${MOZ_FETCHES_DIR}/clang-mac/clang" ] && cat > ${MOZ_FETCHES_DIR}/clang-mac/clang/bin/llvm-config <<EOF_LLVM_CONFIG 33 #!/bin/sh 34 ${MOZ_FETCHES_DIR}/clang/bin/llvm-config "\$@" | sed 's,${MOZ_FETCHES_DIR}/clang,${MOZ_FETCHES_DIR}/clang-mac/clang,g;s,-lLLVM-[0-9]\+,-lLLVM,g' 35 EOF_LLVM_CONFIG 36 37 export PATH="${MOZ_FETCHES_DIR}/rustc/bin:${MOZ_FETCHES_DIR}/clang/bin:${MOZ_FETCHES_DIR}/wrench-deps/meson:${PATH}" 38 39 # Tell the configure script where to find zlib, because otherwise it tries 40 # to use pkg-config to find it, which fails (no .pc file in the macos SDK). 41 export ZLIB_CFLAGS="-I${MACOS_SYSROOT}/usr/include" 42 export ZLIB_LIBS="-L${MACOS_SYSROOT}/usr/lib -lz" 43 44 # Set up compiler and flags for cross-compile. Careful to only export the 45 # target-specific CFLAGS/CXXFLAGS variables, to not break any host builds. 46 export CC="${CLANGDIR}/bin/clang" 47 TARGET_CFLAGS="-fuse-ld=lld -target ${TARGET_TRIPLE} -mmacosx-version-min=10.15 --rtlib=compiler-rt --sysroot ${MACOS_SYSROOT} -Qunused-arguments" 48 export CFLAGS_${TARGET_TRIPLE//-/_}="${TARGET_CFLAGS}" 49 export CXX="${CLANGDIR}/bin/clang++" 50 TARGET_CXXFLAGS="-fuse-ld=lld -target ${TARGET_TRIPLE} -mmacosx-version-min=10.15 --rtlib=compiler-rt --sysroot ${MACOS_SYSROOT} -stdlib=libc++ -Qunused-arguments" 51 export CXXFLAGS_${TARGET_TRIPLE//-/_}="${TARGET_CXXFLAGS}" 52 export AR="${CLANGDIR}/bin/llvm-ar" 53 54 # See documentation in cargo-linker for why we need this. TL;DR is that passing 55 # the right arguments to the linker when invoked by cargo is nigh impossible 56 # without this. 57 export MOZ_CARGO_WRAP_LD="${CC}" 58 export MOZ_CARGO_WRAP_LD_CXX="${CXX}" 59 export MOZ_CARGO_WRAP_LDFLAGS="${TARGET_CFLAGS}" 60 export CARGO_TARGET_X86_64_APPLE_DARWIN_LINKER="${GECKO_PATH}/build/cargo-linker" 61 62 # Ensure that any dependencies which use bindgen pass the correct 63 # sysroot. Specificlly, this is needed to compile mozangle. 64 export BINDGEN_EXTRA_CLANG_ARGS="--sysroot ${MACOS_SYSROOT}"