AC_C_LONG_LONG
, 

2001年05月03日

Caolan McNamara <caolan@skynet.ie>

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cryp.to ac-archive's C Support (released)

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>

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
])