m4/ax_check_openmp.m4

   1 # Check if $CC supports openmp.
   2 AC_DEFUN([AX_CHECK_OPENMP], [
   3         AC_SUBST(HAVE_OPENMP)
   4         HAVE_OPENMP=no
   5         AC_MSG_CHECKING([for OpenMP support by $CC])
   6         echo | $CC -x c - -fsyntax-only -fopenmp -Werror >/dev/null 2>/dev/null
   7         if test $? -eq 0; then
   8                 HAVE_OPENMP=yes
   9         fi
  10 ])