dnl Copyright (C) 1993-2008, 2017 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

dnl From Bruno Haible, Marcus Daniels, Sam Steingold.

AC_PREREQ([2.61])

AC_DEFUN([CL_CC_NEED_DEEMA],
[
  AC_REQUIRE([AC_PROG_CPP])
  AC_CACHE_CHECK([whether CPP likes empty macro arguments], [cl_cv_prog_cc_ema],
    [AC_PREPROC_IFELSE(
       [AC_LANG_SOURCE([
          #define divide(x,y,q_zuw,r_zuw) (r_zuw(x)-(q_zuw(x)/(y))*(y))
          foo(x,y) int x,y; { int q; divide(x,y,q=,); return q; }])],
       [cl_cv_prog_cc_ema=yes],
       [cl_cv_prog_cc_ema=no])
    ])
  if test $cl_cv_prog_cc_ema = yes; then
    CC_NEED_DEEMA=false
  else
    CC_NEED_DEEMA=true
  fi
  AC_SUBST([CC_NEED_DEEMA])
])
