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annotate m4/inttypes_h.m4 @ 40196:e63f5d3edab5

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relocatable-prog: Update documentation. * doc/relocatable-maint.texi (Supporting Relocation): Update to match the recent changes.
author Bruno Haible <bruno@clisp.org>
date Sun, 24 Feb 2019 01:49:15 +0100
parents b06060465f09
children
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d53740f6f336 Modernize AC_TRY_COMPILE invocations.
Bruno Haible <bruno@clisp.org>
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1 # inttypes_h.m4 serial 10
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b06060465f09 maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
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2 dnl Copyright (C) 1997-2004, 2006, 2008-2019 Free Software Foundation, Inc.
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adff74659d81 Use an all-permissive copyright notice, recommended by RMS.
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3 dnl This file is free software; the Free Software Foundation
adff74659d81 Use an all-permissive copyright notice, recommended by RMS.
Bruno Haible <bruno@clisp.org>
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4 dnl gives unlimited permission to copy and/or distribute it,
adff74659d81 Use an all-permissive copyright notice, recommended by RMS.
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5 dnl with or without modifications, as long as this notice is preserved.
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7c1a6b73f48e An autoconf macro for its associated module.
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6
7c1a6b73f48e An autoconf macro for its associated module.
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7 dnl From Paul Eggert.
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8
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9 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
7c1a6b73f48e An autoconf macro for its associated module.
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10 # doesn't clash with <sys/types.h>, and declares uintmax_t.
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11
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Jim Meyering <jim@meyering.net>
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12 AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
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13 [
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14 AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
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15 [AC_COMPILE_IFELSE(
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16 [AC_LANG_PROGRAM(
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17 [[
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18 #include <sys/types.h>
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19 #include <inttypes.h>
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20 ]],
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21 [[uintmax_t i = (uintmax_t) -1; return !i;]])],
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22 [gl_cv_header_inttypes_h=yes],
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23 [gl_cv_header_inttypes_h=no])])
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24 if test $gl_cv_header_inttypes_h = yes; then
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25 AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
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26 [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
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27 and declares uintmax_t. ])
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28 fi
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29 ])