| 1 | # strtoumax.m4 serial 6
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| 2 | dnl Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_FUNC_STRTOUMAX],
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| 8 | [
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| 9 | dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
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| 10 | AC_REQUIRE([AC_PROG_CPP])
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| 11 | AC_REQUIRE([AC_PROG_EGREP])
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| 12 |
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| 13 | AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
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| 14 | jm_cv_func_strtoumax_macro,
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| 15 | [AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
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| 16 | #ifdef strtoumax
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| 17 | inttypes_h_defines_strtoumax
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| 18 | #endif],
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| 19 | jm_cv_func_strtoumax_macro=yes,
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| 20 | jm_cv_func_strtoumax_macro=no)])
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| 21 |
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| 22 | if test "$jm_cv_func_strtoumax_macro" != yes; then
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| 23 | AC_REPLACE_FUNCS(strtoumax)
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| 24 | if test $ac_cv_func_strtoumax = no; then
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| 25 | gl_PREREQ_STRTOUMAX
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| 26 | fi
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| 27 | fi
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| 28 | ])
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| 29 |
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| 30 | # Prerequisites of lib/strtoumax.c.
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| 31 | AC_DEFUN([gl_PREREQ_STRTOUMAX], [
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| 32 | AC_CHECK_DECLS(strtoull)
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| 33 | AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
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| 34 | ])
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