41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
#serial 6
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dnl From Paul Eggert.
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AC_PREREQ(2.52)
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# Define intmax_t to long or long long if <inttypes.h> doesn't define.
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AC_DEFUN([gl_AC_TYPE_INTMAX_T],
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[
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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
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# if <inttypes.h> doesn't define.
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AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
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[
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AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
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AC_CHECK_TYPE(uintmax_t, ,
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[test $ac_cv_type_unsigned_long_long = yes \
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&& ac_type='unsigned long long' \
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|| ac_type='unsigned long'
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AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
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[Define to widest unsigned type if <inttypes.h> doesn't define.])])
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])
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