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dnl Copyright (C) 2002-2005, 2008-2010 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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dnl From Bruno Haible. |
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dnl Test whether the system has the 'intmax_t' type, but don't attempt to |
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dnl find a replacement if it is lacking. |
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AC_DEFUN([gt_TYPE_INTMAX_T], |
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[ |
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AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) |
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AC_REQUIRE([gl_AC_HEADER_STDINT_H]) |
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AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t], |
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[AC_TRY_COMPILE([ |
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], [intmax_t x = -1; |
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return !x;], |
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[gt_cv_c_intmax_t=yes], |
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[gt_cv_c_intmax_t=no])]) |
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if test $gt_cv_c_intmax_t = yes; then |
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AC_DEFINE([HAVE_INTMAX_T], [1], |
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[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) |
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fi |
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]) |
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