Martin Storsjö
8bfc9a18c6
If we try to do that, clang would end up calling <triplet>-gcc with the same arguments. In our setup, this recursively ends up calling clang again, ending up with infinite recursion.
69 lines
1.7 KiB
Bash
Executable File
69 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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DIR="$(cd "$(dirname "$0")" && pwd)"
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BASENAME="$(basename "$0")"
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TARGET="${BASENAME%-*}"
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EXE="${BASENAME##*-}"
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DEFAULT_TARGET=x86_64-w64-mingw32
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if [ "$TARGET" = "$BASENAME" ]; then
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TARGET=$DEFAULT_TARGET
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fi
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ARCH="${TARGET%%-*}"
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# Check if trying to compile Ada; if we try to do this, invoking clang
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# would end up invoking <triplet>-gcc with the same arguments, which ends
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# up in an infinite recursion.
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case "$*" in
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*-x\ ada*)
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echo "Ada is not supported" >&2
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exit 1
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;;
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*)
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;;
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esac
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# Allow setting e.g. CCACHE=1 to wrap all building in ccache.
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if [ -n "$CCACHE" ]; then
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CCACHE=ccache
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fi
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# If changing this wrapper, change clang-target-wrapper.c accordingly.
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CLANG="$DIR/clang"
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FLAGS=""
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case $EXE in
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clang++|g++|c++)
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FLAGS="$FLAGS --driver-mode=g++"
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;;
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esac
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case $ARCH in
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i686)
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# Dwarf is the default for i686, but libunwind sometimes fails to
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# to unwind correctly on i686. The issue can be reproduced with
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# test/exception-locale.cpp. The issue might be related to
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# DW_CFA_GNU_args_size, since it goes away if building
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# libunwind/libcxxabi/libcxx and the test example with
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# -mstack-alignment=16 -mstackrealign. (libunwind SVN r337312 fixed
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# some handling relating to this dwarf opcode, which made
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# test/hello-exception.cpp work properly, but apparently there are
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# still issues with it).
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FLAGS="$FLAGS -fsjlj-exceptions"
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;;
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x86_64)
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# SEH is the default here.
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;;
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armv7)
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# Dwarf is the default here.
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;;
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aarch64)
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# Dwarf is the default here.
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;;
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esac
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FLAGS="$FLAGS -target $TARGET"
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FLAGS="$FLAGS -rtlib=compiler-rt"
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FLAGS="$FLAGS -stdlib=libc++"
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FLAGS="$FLAGS -fuse-ld=lld"
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FLAGS="$FLAGS -fuse-cxa-atexit"
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FLAGS="$FLAGS -Qunused-arguments"
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$CCACHE $CLANG $FLAGS "$@"
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