[pkgsrc/trunk]: pkgsrc/doc/guide/files Expand section on CPP defines, thanks ...

[hubertf <hubertf%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/f189a8f3829d
branches:  trunk
changeset: 501440:f189a8f3829d
user:      hubertf <hubertf%pkgsrc.org@localhost>
date:      Sun Oct 23 00:41:54 2005 +0000

description:
Expand section on CPP defines, thanks to salo.

XXX can anyone rebuild this stuff, and commit to htdocs?

diffstat:

 doc/guide/files/fixes.xml |  14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diffs (28 lines):

diff -r 4d237401e911 -r f189a8f3829d doc/guide/files/fixes.xml
--- a/doc/guide/files/fixes.xml Sat Oct 22 23:25:46 2005 +0000
+++ b/doc/guide/files/fixes.xml Sun Oct 23 00:41:54 2005 +0000
@@ -1,4 +1,4 @@
-<!-- $NetBSD: fixes.xml,v 1.30 2005/09/14 16:46:13 reed Exp $ -->
+<!-- $NetBSD: fixes.xml,v 1.31 2005/10/23 00:41:54 hubertf Exp $ -->
 
 <chapter id="fixes"> <?dbhtml filename="fixes.html"?>
   <title>Notes on fixes for packages</title>
@@ -791,6 +791,18 @@
         should only apply to features of &os; that are not present in other
         4.4-lite-derived BSDs.</para>
     </sect2>
+
+    <sect2 id="cpp-list">
+      <title>Getting a list of CPP defines</title>
+
+      <para>
+       When your system uses the GNU C Compiler, you can get a list
+       of symbols that are defined by default, e.g. to identify 
+       the platform, with the following command:
+      </para>
+
+      <programlisting> gcc -E -dM - < /dev/null </programlisting>
+    </sect2>
   </sect1>