diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index a4f0503aa3e1..c56e6f3652dc 100644 --- a/configure.ac +++ b/configure.ac @@ -6244,8 +6244,8 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_LANG_POP([C++]) CXXFLAGS=$save_CXXFLAGS AC_MSG_RESULT([$cxx11_constexpr]) -if test "$cxx11_constexpr" = yes; then - AC_DEFINE([HAVE_CXX11_CONSTEXPR]) +if test "$cxx11_constexpr" = no; then + AC_MSG_ERROR([Your $CXX does not support 'constexpr'. This is no longer supported.]) fi AC_MSG_CHECKING([whether $CXX supports C++14 constexpr]) |