1# moo.m4 serial 1 (gettext-0.17) 2dnl Copyright (C) 2006 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7# Support for Minimal Object-Oriented style programming. 8 9AC_DEFUN([gl_MOO], 10[ 11 AC_REQUIRE([AC_C_INLINE]) 12 dnl Test for a C++ compiler at configure time, rather than at compile time, 13 dnl because when building Woe32 DLLs we need to build some compilation units 14 dnl in C++ mode and not others, and in this case we don't want to use C++ 15 dnl classes with constructors, member functions, and operators. 16 AC_CACHE_CHECK([whether the C compiler is actually a C++ compiler], 17 [gl_cv_c_cplusplus], 18 [AC_EGREP_CPP([Is c++], [ 19#ifdef __cplusplus 20 Is c++ 21#endif 22 ], 23 [gl_cv_c_cplusplus=yes], 24 [gl_cv_c_cplusplus=no])]) 25 if test $gl_cv_c_cplusplus = yes; then 26 AC_DEFINE([IS_CPLUSPLUS], 1, 27 [Define to 1 if the C compiler is actually a C++ compiler.]) 28 fi 29]) 30