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Re: AC_CHECK_TYPE search locations


From: Akim Demaille
Subject: Re: AC_CHECK_TYPE search locations
Date: 13 Mar 2002 11:05:58 +0100
User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp)

Paul, I'm applying this patch.  Feel free to change directly whatever
you want if something needs to be changed.

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * doc/autoconf.texi (Header Portability): New.
        Add information about stdint.h and inttypes.h from Paul Eggert.

Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.595
diff -u -u -r1.595 autoconf.texi
--- doc/autoconf.texi 13 Mar 2002 09:44:24 -0000 1.595
+++ doc/autoconf.texi 13 Mar 2002 09:58:00 -0000
@@ -254,6 +254,7 @@
 
 Header Files
 
+* Header Portability::          Collected knowledge on common headers
 * Particular Headers::          Special handling to find certain headers
 * Generic Headers::             How to find other headers
 
@@ -413,7 +414,7 @@
 * Changed Quotation::           Broken code which used to work
 * New Macros::                  Interaction with foreign macros
 * Hosts and Cross-Compilation::  Bugward compatibility kludges
-* AC_LIBOBJ vs. LIBOBJS::
+* AC_LIBOBJ vs. LIBOBJS::       LIBOBJS is a forbidden token
 
 Generating Test Suites with Autotest
 
@@ -4002,9 +4003,29 @@
 it, then you can use one of the general header-file check macros.
 
 @menu
+* Header Portability::          Collected knowledge on common headers
 * Particular Headers::          Special handling to find certain headers
 * Generic Headers::             How to find other headers
 @end menu
+
address@hidden Header Portability
address@hidden Portability of Headers
+
+This section tries to collect knowledge about common headers, and the
+problem they cause.  By definition, this list will always require
+additions.  Please help us keeping it as complete as possible.
+
address@hidden @asis
address@hidden @file{inttypes.h} vs. @file{stdint.h}
+Paul Eggert notes that: ISO C 1999 says that @file{inttypes.h} includes
address@hidden, so there's no need to include @file{stdint.h}
+separately in a standard environment.  Many implementations have
address@hidden but not @file{stdint.h} (e.g. Solaris 7), but I don't
+know of any implementation that has @file{stdint.h} but not
address@hidden  Nor do I know of any free software that includes
address@hidden; @file{stdint.h} seems to be a creation of the committee.
address@hidden table
+
 
 @node Particular Headers
 @subsection Particular Header Checks



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