Files
llvm-mingw/wrappers/clang-target-wrapper.sh
T
Martin Storsjö ce282cdf5d Use --driver-mode=g++ instead of invoking clang++
This avoids needing the clang++ symlink. On platforms without symlinks
(i.e. windows), clang.exe and clang++.exe are two separate but identical
executables. This allows getting rid of the latter, saving size.
2018-05-07 09:49:34 +03:00

37 lines
1.0 KiB
Bash
Executable File

#!/usr/bin/env bash
DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
TARGET="$(basename $0 | sed 's/-[^-]*$//')"
EXE=$(basename $0 | sed 's/.*-\([^-]*\)/\1/')
case $EXE in
clang++|g++)
DRIVER_MODE=--driver-mode=g++
;;
esac
ARCH=$(echo $TARGET | sed 's/-.*//')
case $ARCH in
i686)
# Dwarf is the default for i686, but currently there's an issue
# in libunwind with unwinding clang generated dwarf opcodes on 32 bit
# x86, pending resolution at https://reviews.llvm.org/D38680.
ARCH_FLAGS=-fsjlj-exceptions
;;
x86_64)
# Explicitly request dwarf on x86_64; SEH is the default there but
# libcxxabi lacks support for it.
ARCH_FLAGS=-fdwarf-exceptions
;;
armv7)
# Dwarf is the default here.
ARCH_FLAGS=
;;
aarch64)
# Dwarf is the default here.
ARCH_FLAGS=
;;
esac
# Allow setting e.g. CCACHE=1 to wrap all building in ccache.
if [ -n "$CCACHE" ]; then
CCACHE=ccache
fi
$CCACHE $DIR/clang $DRIVER_MODE -target $TARGET -rtlib=compiler-rt -stdlib=libc++ -fuse-ld=lld $ARCH_FLAGS -Qunused-arguments "$@"