view m4/no-c++.m4 @ 13274:d87472cc6eec

gnulib-common.m4: make glibc write diagnostics to stderr, not /dev/tty * m4/gnulib-common.m4 (gl_COMMON_BODY): Set LIBC_FATAL_STDERR_. Prompted by an exchange with Gilles Espinasse.
author Jim Meyering <jim@meyering.net>
date Tue, 27 Apr 2010 08:57:31 +0200
parents c2cbabec01dd
children 97fc9a21a8fb
line wrap: on
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# no-c++.m4 serial 1
dnl Copyright (C) 2006, 2009, 2010 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])
])