Re: Warnings About Signedness
Re: Warnings About Signedness
- Subject: Re: Warnings About Signedness
- From: Lance Drake <email@hidden>
- Date: Fri, 8 Jul 2005 15:23:10 -0600
OK - I poked around in the Build settings but saw only 'Pointer
Sign Comparison' which did nothing to abate the tide of
warnings. Hence the question: How to tell the compiler to,
please, not complain about signedness?
My current guess is, a lot of people don't see all these checkboxes
for single warnings working because they still have the "-Wmost"
flag in their "additional compiler flags". How's about -Wmost in
your project?
Markus
Hi Markus,
Thanks very much for that suggestion. After giving it a try, it
appeared to not be the root cause. An example of the compile command
line is:
...
setenv MACOSX_DEPLOYMENT_TARGET 10.4
/usr/bin/gcc-4.0
-x objective-c
-arch ppc
-pipe
-Wno-trigraphs
-fpascal-strings
-fasm-blocks
-g
-O0
-Wunused-function
-Wunused-variable
-Wunused-value
-Wshadow
-Wno-four-char-constants
-fmessage-length=0
-mtune=G4
-fvisibility=hidden
-I/Volumes/dev/Projects/Test_Project/build_D/Test_Tiger.build/
Development/Test.build/Test.hmap
-Wno-four-char-constants
-Wno-unknown-pragmas
-F/Volumes/dev/Projects/Test_Project/build_D/Development -F/Developer/
SDKs/MacOSX10.4u.sdk/System/Library/PrivateFrameworks
-F/Developer/SDKs/MacOSX10.4.0.sdk/System/Library/Frameworks
-I/Volumes/dev/Projects/Test_Project/build_D/Development/include
-IPrefixFiles
-I/Volumes/dev/Projects/Test_Project/build_D/Test_Tiger.build/
Development/Test.build/DerivedSources
-isysroot /Developer/SDKs/MacOSX10.4u.sdk
-c /Projects/Test_Project/DataRender/DataRender.m
-o /Volumes/dev/Projects/Test_Project/build_D/Test_Tiger.build/
Development/Test.build/Objects-normal/ppc/DataRender.o
...
Then lots more stuff appears along the lines of: /Projects/
Test_Project/../Common/MediaUtils/DataRender.c:315: warning: pointer
targets in passing argument 1 of 'strlen' differ in signedness
If I pull out the gcc4 docs, there's probably be found some way to
suppress those warnings. I was thinking it might be easy. OK - so,
I'll just dig deeper.
Thanks VERY much,
Lance Drake
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