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dnl @synopsis AX_CREATE_STDINT_H [( HEADER-TO-GENERATE [, HEDERS-TO-CHECK])]
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dnl the "ISO C9X: 7.18 Integer types <stdint.h>" section requires the
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dnl existence of an include file <stdint.h> that defines a set of
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dnl typedefs, especially uint8_t,int32_t,uintptr_t. Many older
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dnl installations will not provide this file, but some will have the
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dnl very same definitions in <inttypes.h>. In other enviroments we can
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dnl use the inet-types in <sys/types.h> which would define the typedefs
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dnl int8_t and u_int8_t respectivly.
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dnl This macros will create a local "_stdint.h" or the headerfile given
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dnl as an argument. In many cases that file will just "#include
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dnl <stdint.h>" or "#include <inttypes.h>", while in other environments
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dnl it will provide the set of basic 'stdint's definitions/typedefs:
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dnl int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,intptr_t,uintptr_t
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dnl int_least32_t.. int_fast32_t.. intmax_t
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dnl which may or may not rely on the definitions of other files, or
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dnl using the AC_CHECK_SIZEOF macro to determine the actual sizeof each
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dnl if your header files require the stdint-types you will want to
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dnl create an installable file mylib-int.h that all your other
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dnl installable header may include. So if you have a library package
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dnl named "mylib", just use
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dnl AX_CREATE_STDINT_H(mylib-int.h)
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dnl in configure.ac and go to install that very header file in
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dnl Makefile.am along with the other headers (mylib.h) - and the
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dnl mylib-specific headers can simply use "#include <mylib-int.h>" to
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dnl obtain the stdint-types.
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dnl Remember, if the system already had a valid <stdint.h>, the
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dnl generated file will include it directly. No need for fuzzy
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dnl HAVE_STDINT_H things...
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dnl @author Guido Draheim <guidod@gmx.de>
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dnl @version 2003-12-07
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dnl @license GPLWithACException
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##### http://autoconf-archive.cryp.to/ax_create_stdint_h.html
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# AX_CREATE_STDINT_H [( HEADER-TO-GENERATE [, HEDERS-TO-CHECK])]
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# the "ISO C9X: 7.18 Integer types <stdint.h>" section requires the
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# existence of an include file <stdint.h> that defines a set of
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# typedefs, especially uint8_t,int32_t,uintptr_t. Many older
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# installations will not provide this file, but some will have the
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# very same definitions in <inttypes.h>. In other enviroments we can
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# use the inet-types in <sys/types.h> which would define the typedefs
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# int8_t and u_int8_t respectivly.
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# This macros will create a local "_stdint.h" or the headerfile given
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# as an argument. In many cases that file will just "#include
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# <stdint.h>" or "#include <inttypes.h>", while in other environments
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# it will provide the set of basic 'stdint's definitions/typedefs:
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# int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,intptr_t,uintptr_t
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# int_least32_t.. int_fast32_t.. intmax_t
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# which may or may not rely on the definitions of other files, or
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# using the AC_CHECK_SIZEOF macro to determine the actual sizeof each
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# if your header files require the stdint-types you will want to
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# create an installable file mylib-int.h that all your other
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# installable header may include. So if you have a library package
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# named "mylib", just use
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# AX_CREATE_STDINT_H(mylib-int.h)
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# in configure.ac and go to install that very header file in
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# Makefile.am along with the other headers (mylib.h) - and the
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# mylib-specific headers can simply use "#include <mylib-int.h>" to
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# obtain the stdint-types.
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# Remember, if the system already had a valid <stdint.h>, the
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# generated file will include it directly. No need for fuzzy
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# HAVE_STDINT_H things... (oops, GCC 4.2.x has deliberatly disabled
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# its stdint.h for non-c99 compilation and the c99-mode is not the
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# default. Therefore this macro will not use the compiler's stdint.h
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# - please complain to the GCC developers).
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# Copyright (c) 2006 Guido U. Draheim <guidod@gmx.de>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# As a special exception, the respective Autoconf Macro's copyright
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# owner gives unlimited permission to copy, distribute and modify the
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# configure scripts that are the output of Autoconf when processing
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# the Macro. You need not follow the terms of the GNU General Public
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# License when using or distributing such scripts, even though
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# portions of the text of the Macro appear in them. The GNU General
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# Public License (GPL) does govern all other use of the material that
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# constitutes the Autoconf Macro.
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# This special exception to the GPL applies to versions of the
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# Autoconf Macro released by the Autoconf Macro Archive. When you
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# make and distribute a modified version of the Autoconf Macro, you
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# may extend this special exception to the GPL to apply to your
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# modified version as well.
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AC_DEFUN([AX_CHECK_DATA_MODEL],[
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AC_CHECK_SIZEOF(char)
added
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m4/ax_create_stdint_h.m4
