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# moo.m4 serial 1 (gettext-0.17)
dnl Copyright (C) 2006, 2015-2016 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
])
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