diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/config.sh')
| -rw-r--r-- | compiler/rustc_codegen_gcc/config.sh | 77 |
1 files changed, 55 insertions, 22 deletions
diff --git a/compiler/rustc_codegen_gcc/config.sh b/compiler/rustc_codegen_gcc/config.sh index 166e83901..7ae2175d4 100644 --- a/compiler/rustc_codegen_gcc/config.sh +++ b/compiler/rustc_codegen_gcc/config.sh @@ -4,49 +4,82 @@ export CARGO_INCREMENTAL=0 if [ -f ./gcc_path ]; then export GCC_PATH=$(cat gcc_path) +elif (( $use_system_gcc == 1 )); then + echo 'Using system GCC' else echo 'Please put the path to your custom build of libgccjit in the file `gcc_path`, see Readme.md for details' exit 1 fi +if [[ -z "$RUSTC" ]]; then + export RUSTC="rustc" +fi + unamestr=`uname` if [[ "$unamestr" == 'Linux' ]]; then - dylib_ext='so' + dylib_ext='so' elif [[ "$unamestr" == 'Darwin' ]]; then - dylib_ext='dylib' + dylib_ext='dylib' else - echo "Unsupported os" - exit 1 + echo "Unsupported os" + exit 1 fi -HOST_TRIPLE=$(rustc -vV | grep host | cut -d: -f2 | tr -d " ") -TARGET_TRIPLE=$HOST_TRIPLE -#TARGET_TRIPLE="m68k-unknown-linux-gnu" +HOST_TRIPLE=$($RUSTC -vV | grep host | cut -d: -f2 | tr -d " ") +# TODO: remove $OVERWRITE_TARGET_TRIPLE when config.sh is removed. +TARGET_TRIPLE="${OVERWRITE_TARGET_TRIPLE:-$HOST_TRIPLE}" linker='' RUN_WRAPPER='' if [[ "$HOST_TRIPLE" != "$TARGET_TRIPLE" ]]; then - if [[ "$TARGET_TRIPLE" == "m68k-unknown-linux-gnu" ]]; then - TARGET_TRIPLE="mips-unknown-linux-gnu" - linker='-Clinker=m68k-linux-gcc' - elif [[ "$TARGET_TRIPLE" == "aarch64-unknown-linux-gnu" ]]; then - # We are cross-compiling for aarch64. Use the correct linker and run tests in qemu. - linker='-Clinker=aarch64-linux-gnu-gcc' - RUN_WRAPPER='qemu-aarch64 -L /usr/aarch64-linux-gnu' - else - echo "Unknown non-native platform" - fi + RUN_WRAPPER=run_in_vm + if [[ "$TARGET_TRIPLE" == "m68k-unknown-linux-gnu" ]]; then + linker='-Clinker=m68k-unknown-linux-gnu-gcc' + elif [[ "$TARGET_TRIPLE" == "aarch64-unknown-linux-gnu" ]]; then + # We are cross-compiling for aarch64. Use the correct linker and run tests in qemu. + linker='-Clinker=aarch64-linux-gnu-gcc' + else + echo "Unknown non-native platform" + fi fi -export RUSTFLAGS="$CG_RUSTFLAGS $linker -Csymbol-mangling-version=v0 -Cdebuginfo=2 -Clto=off -Zcodegen-backend=$(pwd)/target/${CHANNEL:-debug}/librustc_codegen_gcc.$dylib_ext --sysroot $(pwd)/build_sysroot/sysroot $TEST_FLAGS" +# Since we don't support ThinLTO, disable LTO completely when not trying to do LTO. +# TODO(antoyo): remove when we can handle ThinLTO. +disable_lto_flags='' +if [[ ! -v FAT_LTO ]]; then + disable_lto_flags='-Clto=off' +fi + +if [[ -z "$BUILTIN_BACKEND" ]]; then + export RUSTFLAGS="$CG_RUSTFLAGS $linker -Csymbol-mangling-version=v0 -Cdebuginfo=2 $disable_lto_flags -Zcodegen-backend=$(pwd)/target/${CHANNEL:-debug}/librustc_codegen_gcc.$dylib_ext --sysroot $(pwd)/build_sysroot/sysroot $TEST_FLAGS" +else + export RUSTFLAGS="$CG_RUSTFLAGS $linker -Csymbol-mangling-version=v0 -Cdebuginfo=2 $disable_lto_flags -Zcodegen-backend=gcc $TEST_FLAGS -Cpanic=abort" + + if [[ ! -z "$RUSTC_SYSROOT" ]]; then + export RUSTFLAGS="$RUSTFLAGS --sysroot $RUSTC_SYSROOT" + fi +fi # FIXME(antoyo): remove once the atomic shim is gone -if [[ `uname` == 'Darwin' ]]; then - export RUSTFLAGS="$RUSTFLAGS -Clink-arg=-undefined -Clink-arg=dynamic_lookup" +if [[ unamestr == 'Darwin' ]]; then + export RUSTFLAGS="$RUSTFLAGS -Clink-arg=-undefined -Clink-arg=dynamic_lookup" fi -RUSTC="rustc $RUSTFLAGS -L crate=target/out --out-dir target/out" +if [[ -z "$cargo_target_dir" ]]; then + RUST_CMD="$RUSTC $RUSTFLAGS -L crate=target/out --out-dir target/out" + cargo_target_dir="target/out" +else + RUST_CMD="$RUSTC $RUSTFLAGS -L crate=$cargo_target_dir --out-dir $cargo_target_dir" +fi export RUSTC_LOG=warn # display metadata load errors -export LD_LIBRARY_PATH="$(pwd)/target/out:$(pwd)/build_sysroot/sysroot/lib/rustlib/$TARGET_TRIPLE/lib:$GCC_PATH" +export LD_LIBRARY_PATH="$(pwd)/target/out:$(pwd)/build_sysroot/sysroot/lib/rustlib/$TARGET_TRIPLE/lib" +if [[ ! -z "$:$GCC_PATH" ]]; then + export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$GCC_PATH" +fi + export DYLD_LIBRARY_PATH=$LD_LIBRARY_PATH +# NOTE: To avoid the -fno-inline errors, use /opt/gcc/bin/gcc instead of cc. +# To do so, add a symlink for cc to /opt/gcc/bin/gcc in our PATH. +# Another option would be to add the following Rust flag: -Clinker=/opt/gcc/bin/gcc +export PATH="/opt/gcc/bin:/opt/m68k-unknown-linux-gnu/bin:$PATH" |