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| author | Robin Barker <RMBarker@cpan.org> | 2000-09-14 19:07:38 +0100 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2000-09-14 17:45:35 +0000 |
| commit | d2560b705d852dbc96fd94b95faaa076758b7a8c (patch) | |
| tree | 801efa93c2b2e08931c3a2f8355b8fb9d8c62395 /Porting/pumpkin.pod | |
| parent | 183a2d84c1f59ccc4c14106315b4806f773a1203 (diff) | |
| download | perl-d2560b705d852dbc96fd94b95faaa076758b7a8c.tar.gz | |
continued -Wformat support
Message-Id: <200009141707.SAA13276@tempest.npl.co.uk>
p4raw-id: //depot/perl@7081
Diffstat (limited to 'Porting/pumpkin.pod')
| -rw-r--r-- | Porting/pumpkin.pod | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Porting/pumpkin.pod b/Porting/pumpkin.pod index 99776b50d2..d7610595f0 100644 --- a/Porting/pumpkin.pod +++ b/Porting/pumpkin.pod @@ -701,6 +701,34 @@ supports dynamic loading, you can also test static loading with You can also hand-tweak your config.h to try out different #ifdef branches. +=head2 Other tests + +=over 4 + +=item CHECK_FORMAT + +To test the correct use of printf-style arguments, C<Configure> with +S<-Dccflags='-DCHECK_FORMAT -Wformat'> and run C<make>. The compiler +will produce warning of incorrect use of format arguments. CHECK_FORMAT +changes perl-defined formats to common formats, so DO NOT USE the executable +produced by this process. + +A more accurate approach is the following commands: + + sh Configure -des -Dccflags=-Wformat ... + make miniperl # without -DCHECK_FORMAT + perl -i.orig -pwe 's/-Wformat/-DCHECK_FORMAT $&/' config.sh + sh Configure -S + make >& make.log # build from correct miniperl + make clean + make miniperl >& mini.log # build miniperl with -DCHECK_FORMAT + perl -nwe 'print if /^\S+:/ and not /^make\b/' mini.log make.log + make clean + +(-Wformat support by Robin Barker.) + +=back + =head1 Running Purify Purify is a commercial tool that is helpful in identifying memory |