1a3c11f220
This lets us remove the awkward ". ./redoconf.rc" line from zillions of .od scripts, without paying the price of *always* including that whole file every time default.do.sh is used.
34 lines
838 B
Text
34 lines
838 B
Text
rc_include rc/CC.rc
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rc_helpmsg CXX "C++ compiler name (c++)"
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rc_helpmsg CXXFLAGS "Extra C++ compiler flags (eg. -O2 -g)"
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if [ -n "$CXX" ]; then
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set -- "$CXX"
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else
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# Note: $ARCH has already been set correctly by CC.rc
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set -- \
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"${ARCH}c++" "${ARCH}g++" \
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"${ARCH}clang++" "/usr/bin/${ARCH}clang++"-[0-9]*
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fi
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for d in "$@"; do
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[ -n "$d" ] || continue
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echo "Trying C++ compiler: '$d'" >&2
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if CC="" CXX="$d" LINK="$d" rc_compile cxx link 'class A {};'; then
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rc_replaceln CXX "$d"
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# If the project activates CXX.rc, then we
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# replace the C linker with C++. This causes
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# it to include -lstdc++, etc.
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# A future .rc could override this again.
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rc_replaceln LINK "$d"
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rc_replaceln HAVE_CXX 1
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rc_save
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exit 0
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fi
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done
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echo "Warning: Can't find a working C++ compiler." >&2
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rc_undo
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rc_replaceln CXX ""
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rc_save
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