dnl @synopsis AC_C_LONG_LONG dnl dnl Provides a test for the existance of the long long int type and dnl defines HAVE_LONG_LONG if it is found. dnl dnl @version $Id: ac_c_long_long_.m4,v 1.1.1.1 2001/07/26 00:46 ac-archive-0.5.39 $ dnl @author Caolan McNamara dnl dnl change: add a comment for the ac_define AC_DEFUN([AC_C_LONG_LONG_], [AC_CACHE_CHECK(for long long int, ac_cv_c_long_long, [if test "$GCC" = yes; then ac_cv_c_long_long=yes else AC_TRY_COMPILE(,[long long int i;], ac_cv_c_long_long=yes, ac_cv_c_long_long=no) fi]) if test $ac_cv_c_long_long = yes; then AC_DEFINE(HAVE_LONG_LONG, 1, [compiler understands long long]) fi ])