diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2013-04-24 21:33:30 +0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2013-04-24 21:33:30 +0400 |
| commit | 21470a3ca9458b76a97d52bd1150c5012ac5a890 (patch) | |
| tree | 1eb2711002b7e30987f1917b810efbd08d25fe3b /winsup/doc/faq-programming.xml | |
| parent | 895ece012481194592198bf18a1b70790e784685 (diff) | |
* faq-programming.xml (faq.programming.64bitporting): Mention the
-Wformat and -Wall gcc options.
Diffstat (limited to 'winsup/doc/faq-programming.xml')
| -rw-r--r-- | winsup/doc/faq-programming.xml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/winsup/doc/faq-programming.xml b/winsup/doc/faq-programming.xml index c46e05f18..8a1bb962b 100644 --- a/winsup/doc/faq-programming.xml +++ b/winsup/doc/faq-programming.xml @@ -115,7 +115,11 @@ datatypes when the AMD64 CPU was new.</para> printf ("%d %ld\n", l, i); </screen> -may not print what you think it should. +may not print what you think it should. Enable the gcc options -Wformat or +-Wall, which warn about type mismatches in printf/scanf functions. + +<note>Using -Wall (optionally with -Werror to drive the point home) makes a +lot of sense in general, not only when porting code to a new platform.</note> </para></listitem> <listitem><para> |