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# no-c++.m4 serial 1
dnl Copyright (C) 2006, 2009-2017 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 C source files that cannot be compiled by a C++ compiler.
# Set NO_CXX to the C++ compiler flags needed to request C mode instead of
# C++ mode.
# So far only g++ is supported.
AC_DEFUN([gt_NO_CXX],
[
NO_CXX=
AC_EGREP_CPP([Is g++], [
#if defined __GNUC__ && defined __cplusplus
Is g++
#endif
],
[NO_CXX="-x c"])
AC_SUBST([NO_CXX])
])
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