| 1 | #serial 6
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| 2 |
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| 3 | dnl From Paul Eggert.
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| 4 |
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| 5 | AC_PREREQ(2.52)
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| 6 |
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| 7 | # Define intmax_t to long or long long if <inttypes.h> doesn't define.
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| 8 |
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| 9 | AC_DEFUN([gl_AC_TYPE_INTMAX_T],
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| 10 | [
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| 11 | dnl For simplicity, we assume that a header file defines 'intmax_t' if and
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| 12 | dnl only if it defines 'uintmax_t'.
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| 13 | AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
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| 14 | AC_REQUIRE([gl_AC_HEADER_STDINT_H])
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| 15 | if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
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| 16 | AC_REQUIRE([gl_AC_TYPE_LONG_LONG])
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| 17 | test $ac_cv_type_long_long = yes \
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| 18 | && ac_type='long long' \
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| 19 | || ac_type='long'
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| 20 | AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
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| 21 | [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
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| 22 | else
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| 23 | AC_DEFINE(HAVE_INTMAX_T, 1,
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| 24 | [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
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| 25 | fi
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| 26 | ])
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| 27 |
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| 28 | # Define uintmax_t to unsigned long or unsigned long long
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| 29 | # if <inttypes.h> doesn't define.
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| 30 |
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| 31 | AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
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| 32 | [
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| 33 | AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
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| 34 | AC_CHECK_TYPE(uintmax_t, ,
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| 35 | [test $ac_cv_type_unsigned_long_long = yes \
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| 36 | && ac_type='unsigned long long' \
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| 37 | || ac_type='unsigned long'
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| 38 | AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
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| 39 | [Define to widest unsigned type if <inttypes.h> doesn't define.])])
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| 40 | ])
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