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| author | Robin Barker <RMBarker@cpan.org> | 2005-01-11 15:48:49 +0000 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2005-01-11 17:04:24 +0000 |
| commit | 57f5baf2d376469520fedfc328fdf51d005eafe3 (patch) | |
| tree | c4be692ef5ebf757bdf6bb1fa4d40cd94690c4f4 /Porting/pumpkin.pod | |
| parent | 766f891612bf493b0430beb068ead367d70cdef6 (diff) | |
| download | perl-57f5baf2d376469520fedfc328fdf51d005eafe3.tar.gz | |
follow-up to 23767
Message-ID: <533D273D4014D411AB1D00062938C4D90849C56A@hotel.npl.co.uk>
p4raw-id: //depot/perl@23781
Diffstat (limited to 'Porting/pumpkin.pod')
| -rw-r--r-- | Porting/pumpkin.pod | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/Porting/pumpkin.pod b/Porting/pumpkin.pod index b2e2c2ef6e..ff1e5bd5f9 100644 --- a/Porting/pumpkin.pod +++ b/Porting/pumpkin.pod @@ -719,37 +719,32 @@ If you have gcc, you can test the correct use of printf-style arguments. Run C<Configure> with S<-Dccflags='-DCHECK_FORMAT -Wformat'> (and S<-Dcc=gcc>, if you are not on a system where C<cc> is C<gcc>) and run C<make>. The compiler will produce warnings 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. +incorrect use of format arguments. -A more accurate approach is the following commands: +As of change 23767, CHECK_FORMAT changes perl-defined formats +to obscure (but standard) formats, and then traps the obscure +format. The resulting perl executable operates properly but +you should not use the executable produced by this process. =over 4 =item * - -build miniperl with -DCHECK_FORMAT - - make clean - make miniperl OPTIMIZE=-DCHECK_FORMAT >& mini.log - -=item * - -build a clean miniperl, -and build everything else from that with -DCHECK_FORMAT + +A more accurate approach is the following commands: make clean - make miniperl make all OPTIMIZE='-DCHECK_FORMAT -Wformat' >& make.log - + perl -nwe 'print if /^\S+:/ and not /^make\b/' make.log + =item * -clean up, and print warnings from the log files +A more thorough approach to compiler warnings is make clean - perl -nwe 'print if /^\S+:/ and not /^make\b/' \ - mini.log make.log + make miniperl OPTIMIZE=-O\ -DCHECK_FORMAT >& make.log + make all OPTIMIZE=-O\ -DCHECK_FORMAT\ -Wall\ -Wno-unused\ + -Wno-uninitialized >>& make.log + perl -nwe 'print if /^\S+:/ and not /^make\b/' make.log =back |