| # moo.m4 serial 1 (gettext-0.17) |
| dnl Copyright (C) 2006-2007 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| # Support for Minimal Object-Oriented style programming. |
| |
| AC_DEFUN([gl_MOO], |
| [ |
| AC_REQUIRE([AC_C_INLINE]) |
| dnl Test for a C++ compiler at configure time, rather than at compile time, |
| dnl because when building Woe32 DLLs we need to build some compilation units |
| dnl in C++ mode and not others, and in this case we don't want to use C++ |
| dnl classes with constructors, member functions, and operators. |
| AC_CACHE_CHECK([whether the C compiler is actually a C++ compiler], |
| [gl_cv_c_cplusplus], |
| [AC_EGREP_CPP([Is c++], [ |
| #ifdef __cplusplus |
| Is c++ |
| #endif |
| ], |
| [gl_cv_c_cplusplus=yes], |
| [gl_cv_c_cplusplus=no])]) |
| if test $gl_cv_c_cplusplus = yes; then |
| AC_DEFINE([IS_CPLUSPLUS], 1, |
| [Define to 1 if the C compiler is actually a C++ compiler.]) |
| fi |
| ]) |
