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- # ===========================================================================
- # https://www.gnu.org/software/autoconf-archive/ax_c_long_long.html
- # ===========================================================================
- #
- # SYNOPSIS
- #
- # AX_C_LONG_LONG
- #
- # DESCRIPTION
- #
- # Provides a test for the existence of the long long int type and defines
- # HAVE_LONG_LONG if it is found.
- #
- # LICENSE
- #
- # Copyright (c) 2008 Caolan McNamara <caolan@skynet.ie>
- #
- # Copying and distribution of this file, with or without modification, are
- # permitted in any medium without royalty provided the copyright notice
- # and this notice are preserved. This file is offered as-is, without any
- # warranty.
-
- #serial 6
-
- AU_ALIAS([AC_C_LONG_LONG], [AX_C_LONG_LONG])
- AC_DEFUN([AX_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
- ])
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