Found this while testing the C++ conversion for vec.[ch] on the
cxx-conversion branch. We do not build the build/*.o files with g++,
so I was getting lots of syntax errors while compiling build/vec.o.
2012-05-31 Diego Novillo <dnovillo@google.com>
* configure.ac (CXX_FOR_BUILD): Define and substitute.
(BUILD_CXXFLAGS): Define and substitute.
* Makefile.in (BUILD_CXXFLAGS): Define.
(CXX_FOR_BUILD): Define.
(COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
(LINKER_FOR_BUILD): Likewise.
(BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
(BUILD_LINKERFLAGS): Likewise.
* configure: Regenerate.
From-SVN: r188069
