Mercurial > octave
diff configure.ac @ 23664:af611609c6a4
configure: ensure that the C++ compiler supports C++11
* configure.ac: Ensure that AC_PROG_CXX detects that the compiler fully
supports C++11, exit with an error if not.
| author | Mike Miller <mtmiller@octave.org> |
|---|---|
| date | Tue, 20 Jun 2017 18:02:54 -0700 |
| parents | 9da88b901984 |
| children | 94a4ba7b0d94 |
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--- a/configure.ac Tue Jun 20 18:28:23 2017 -0400 +++ b/configure.ac Tue Jun 20 18:02:54 2017 -0700 @@ -398,6 +398,14 @@ AC_PROG_CPP AC_PROG_GCC_TRADITIONAL +## Ensure that the C++ compiler fully supports C++11. +dnl Test must occur after calling AC_PROG_CXX, which tests for language features +dnl and sets the shell variable ac_cv_prog_cxx_cxx11 appropriately. + +if test x"$ac_cv_prog_cxx_cxx11" = xno; then + AC_MSG_ERROR([a compiler that fully supports C++11 is required to build Octave]) +fi + ## Save and restore CFLAGS and CXXFLAGS globally. These variables ## are for users, so we shouldn't be touching them. Instead, we should ## set the corresponding AM_ flags (currently by way of the XTRA_ variables).