macos-setup.sh - mozsearch

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# Sourced by toolchain scripts targeting macOS. Set MACOS_TARGET (an *-apple-darwin triple; defaults to

# the host on Darwin) first. Sets MACOS_SDK (also exported as SDKROOT), MACOSX_DEPLOYMENT_TARGET, MACOS_CFLAGS,

# MACOS_RUSTFLAGS, the MACOS_CC/CXX/AR/RANLIB/LD/LIPO tool paths, and puts the fetched clang first on PATH.

# MACOS_EXTRA_CFLAGS is the target-independent part of MACOS_CFLAGS, for cmake builds that already select

# the target and SDK through cmake variables.

if [ -z "$MACOS_TARGET" ]; then

    case "$(uname -s)-$(uname -m)" in

        Darwin-arm64) MACOS_TARGET=aarch64-apple-darwin ;;

        Darwin-x86_64) MACOS_TARGET=x86_64-apple-darwin ;;

    esac

fi

case "$MACOS_TARGET" in

    aarch64-apple-darwin) export MACOSX_DEPLOYMENT_TARGET=11.0 ;;

    x86_64-apple-darwin) export MACOSX_DEPLOYMENT_TARGET=10.15 ;;

*)

        echo "macos-setup.sh: unsupported target '$MACOS_TARGET'" >&2

        exit 1

;;

esac

MACOS_SDK=$(echo "$MOZ_FETCHES_DIR"/MacOSX*.sdk)

if [ ! -d "$MACOS_SDK" ]; then

    echo "macos-setup.sh: expected exactly one MacOSX*.sdk in $MOZ_FETCHES_DIR, found: $MACOS_SDK" >&2

    exit 1

fi

export SDKROOT=$MACOS_SDK

export PATH="$MOZ_FETCHES_DIR/clang/bin:$PATH"

MACOS_CC=$MOZ_FETCHES_DIR/clang/bin/clang

MACOS_CXX=$MOZ_FETCHES_DIR/clang/bin/clang++

MACOS_AR=$MOZ_FETCHES_DIR/clang/bin/llvm-ar

MACOS_RANLIB=$MOZ_FETCHES_DIR/clang/bin/llvm-ranlib

MACOS_LD=$MOZ_FETCHES_DIR/clang/bin/ld64.lld

MACOS_LIPO=$MOZ_FETCHES_DIR/clang/bin/llvm-lipo

MACOS_EXTRA_CFLAGS="-fuse-ld=lld -Qunused-arguments"

MACOS_CFLAGS="--target=$MACOS_TARGET -isysroot $MACOS_SDK -mmacosx-version-min=$MACOSX_DEPLOYMENT_TARGET $MACOS_EXTRA_CFLAGS"

MACOS_RUSTFLAGS="-C linker=$MACOS_CXX -C link-arg=-fuse-ld=lld -C link-arg=--target=$MACOS_TARGET"