Macro: ac_c_long_long_

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Synopsis

  `AC_C_LONG_LONG`

Version

  1.1.1.1 (2001/07/26) guidod @ ac-archive-0.5.39

Author

  Caolan McNamara <caolan@skynet.ie>

Description

  Provides a test for the existance of the long long int type and defines HAVE_LONG_LONG if it is found.

  change: add a comment for the ac_define <guidod>

M4 Source Code

      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
      ])