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Update c99status.html for extended identifiers changes
- From: Joseph Myers <joseph at codesourcery dot com>
- To: <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 6 Nov 2014 21:31:46 +0000
- Subject: Update c99status.html for extended identifiers changes
- Authentication-results: sourceware.org; auth=none
I've applied this patch to update c99status.html for the recent changes
regarding extended identifiers. The remaining known C99/C11 conformance
issues (beyond ordinary bugs) are all floating-point issues (mostly but
not entirely Annex F/G).
Index: c99status.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/c99status.html,v
retrieving revision 1.62
diff -u -r1.62 c99status.html
--- c99status.html 27 Oct 2013 15:41:51 -0000 1.62
+++ c99status.html 6 Nov 2014 21:18:36 -0000
@@ -8,9 +8,9 @@
<h1>Status of C99 features in GCC</h1>
<p>C99 is substantially completely supported as of GCC 4.5
-(with <code>-std=c99 -pedantic-errors</code> used), modulo bugs,
-extended identifiers (supported except for corner cases
-when <code>-fextended-identifiers</code> is used), and floating-point
+(with <code>-std=c99 -pedantic-errors</code> used;
+<code>-fextended-identifiers</code> also needed to enable extended
+identifiers before GCC 5), modulo bugs and floating-point
issues (mainly but not entirely relating to optional C99 features from
Annexes F and G). The following table gives more details of the C99
support in different GCC versions.</p>
@@ -30,7 +30,8 @@
if additional compiler features could be useful in conjunction with
it. It is assumed that GCC is used with <code>-std=c99
-pedantic-errors</code> (for versions 3.0 and later), as well
-as <code>-fextended-identifiers</code> in the case of that feature.
+as <code>-fextended-identifiers</code> in the case of that feature
+before GCC 5.
Where library cooperation is required, it is assumed that a recent
version of the GNU C Library is in use, and support with other C
libraries may be less good. Where the version listed is before GCC
@@ -138,8 +139,9 @@
<tr><td><em>extended identifiers</em></td>
<td>GCC 4.1</td>
- <td>Requires <code>-fextended-identifiers</code> and some corner
- cases may be broken.</td>
+ <td>Some corner cases were fixed in GCC 5;
+ <code>-fextended-identifiers</code> was needed to enable this
+ feature before that version.</td>
</tr>
<tr><td><em>hexadecimal floating-point constants and
--
Joseph S. Myers
joseph@codesourcery.com