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Viewing changes to m4/intmax_t.m4

  • Committer: Arnold D. Robbins
  • Date: 2010-07-16 11:47:02 UTC
  • Revision ID: git-v1:315bd501ca696bc3e3c938b4604d8dac7a6f512f
Tags: gawk-3.1.5
Move to gawk 3.1.5.

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m4/intmax_t.m4
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# Define intmax_t to long or long long if <inttypes.h> doesn't define.
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AC_DEFUN([jm_AC_TYPE_INTMAX_T],
 
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AC_DEFUN([gl_AC_TYPE_INTMAX_T],
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[
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  AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
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  AC_CHECK_TYPE(intmax_t, ,
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    [test $ac_cv_type_long_long = yes \
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       && ac_type='long long' \
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       || ac_type='long'
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     AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
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       [Define to widest signed type if <inttypes.h> doesn't define.])])
 
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  dnl For simplicity, we assume that a header file defines 'intmax_t' if and
 
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  dnl only if it defines 'uintmax_t'.
 
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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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  if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
 
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    AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
 
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    test $ac_cv_type_long_long = yes \
 
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      && ac_type='long long' \
 
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      || ac_type='long'
 
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    AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
 
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     [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
 
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  else
 
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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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# Define uintmax_t to unsigned long or unsigned long long