Quoting Emil Velikov (2018-12-13 08:05:56) > From: Emil Velikov <emil.veli...@collabora.com> > > Seemingly with LLVM7 and GCC 5.0, the former won't properly advertise > -std=c++11 and the latter will choke. > > dd this temporary workaround, otherwise we'll get errors like: > > In file included from /usr/include/c++/5/type_traits:35:0, > from /usr/lib/llvm-7/include/llvm/Support/type_traits.h:18, > from /usr/lib/llvm-7/include/llvm/ADT/Optional.h:22, > from /usr/lib/llvm-7/include/llvm/ADT/STLExtras.h:20, > from /usr/lib/llvm-7/include/llvm/ADT/StringRef.h:13, > from /usr/lib/llvm-7/include/llvm/Target/TargetMachine.h:17, > from ../../../src/amd/common/ac_llvm_helper.cpp:36: > /usr/include/c++/5/bits/c++0x_warning.h:32:2: error: #error This file > requires compiler and library support for the ISO C++ 2011 standard. This > support must be enabled with the -std=c++11 or -std=gnu++11 compiler options. > > Signed-off-by: Emil Velikov <emil.veli...@collabora.com> > --- > configure.ac | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/configure.ac b/configure.ac > index 5d3da4b7c48..e5e95f12732 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -2903,6 +2903,7 @@ if test "x$enable_llvm" = xyes; then > LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags` > LLVM_CFLAGS=$LLVM_CPPFLAGS # CPPFLAGS seem to be sufficient > LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"` > + LLVM_CXXFLAGS="$CXX11_CXXFLAGS $LLVM_CXXFLAGS" > > dnl Set LLVM_LIBS - This is done after the driver configuration so > dnl that drivers can add additional components to LLVM_COMPONENTS. > -- > 2.19.2 >
This is why in meson I just assume C++11 all the time... Reviewed-by: Dylan Baker <dy...@pnwbakers.com>
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