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#!/bin/bash
set -x -e -v
# This script is for building clang for macOS targets on a Linux host,
# including native macOS Compiler-RT libraries.
cd $MOZ_FETCHES_DIR
# We have a native linux64 toolchain in $MOZ_FETCHES_DIR/clang
# We have a native aarch64 macos compiler-rt in $MOZ_FETCHES_DIR/aarch64/compiler-rt
# We have a native x86_64 macos compiler-rt in $MOZ_FETCHES_DIR/x86_64/compiler-rt
clang_lib=$(echo clang/lib/clang/*/lib)
mkdir -p $clang_lib/darwin
find {aarch64,x86_64}/compiler-rt/lib/darwin -type f -printf '%f\n' | sort -u | while read f; do
f=compiler-rt/lib/darwin/$f
if [ -f aarch64/$f -a -f x86_64/$f ]; then
# For compiler-rt files that exist on both ends, merge them
$MOZ_FETCHES_DIR/cctools/bin/lipo -create {aarch64,x86_64}/$f -output $clang_lib/darwin/${f##*/}
elif [ -f aarch64/$f ]; then
# For compiler-rt files that exist on either end, copy the existing one
cp aarch64/$f $clang_lib/darwin
else
cp x86_64/$f $clang_lib/darwin
fi
done
tar caf clang.tar.zst clang
mkdir -p $UPLOAD_DIR
mv clang.tar.zst $UPLOAD_DIR