AS_IF([test "$GCC" = "yes"],
[AS_IF([test "$ac_cv_cxx_compile_cxx0x_native" = "yes"],[],
[AS_IF([test "$ac_cv_cxx_compile_cxx0x_gxx" = "yes"],
- [CXXFLAGS="-std=gnu++0x ${CXXFLAGS}"],
- [CXXFLAGS="-std=gnu++98"])
+ [CXX_STANDARD="-std=gnu++0x"],
+ [CXX_STANDARD="-std=gnu++98"])
])
])
+ AM_CXXFLAGS="${CXX_STANDARD} ${AM_CXXFLAGS}"
+
+ save_CXXFLAGS="${CXXFLAGS}"
+ CXXFLAGS="${CXXFLAGS} ${CXX_STANDARD}"
AC_CXX_HEADER_STDCXX_98
+ CXXFLAGS="${save_CXXFLAGS}"
+
+ AC_SUBST([CXX_STANDARD])
])