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| author | Rob Landley <rob@landley.net> | 2007-02-03 14:10:00 -0500 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2007-02-03 14:10:00 -0500 |
| commit | fd1c5ba0cbbd31c4713d9283c4fa5c3265ad2296 (patch) | |
| tree | 48f65558e2c9d76fa397e066c14a5642accee992 /lib/portability.h | |
| parent | 5a60e26fe8de2648689ff8c5659085b99f5891a0 (diff) | |
| download | toybox-fd1c5ba0cbbd31c4713d9283c4fa5c3265ad2296.tar.gz | |
Teach build to build only the toys/*.c selected in .config, and teach
CFG_TOYSH_DEBUG to shut up the spurious "gcc can't tell that this is never
actually used uninitialized because gcc is stupid" warnings.
Diffstat (limited to 'lib/portability.h')
| -rw-r--r-- | lib/portability.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/portability.h b/lib/portability.h index 5aa4a0bf..9f3f1b78 100644 --- a/lib/portability.h +++ b/lib/portability.h @@ -25,3 +25,15 @@ #define SWAP_LE32(x) (x) #define SWAP_LE64(x) (x) #endif + +// Some versions of gcc produce spurious "may be uninitialized" warnings in +// cases where it provably can't happen. Unfortunately, although this warning +// is calculated and produced separately from the "is definitely used +// uninitialized" warnings, there's no way to turn off the broken spurious "may +// be" warnings without also turning off the non-broken "is" warnings. + +#if CFG_TOYBOX_DEBUG +#define GCC_BUG =0 +#else +#define GCC_BUG +#endif |