Mercurial > nand-ecoscentric
changeset 3177:c1987d8f692a
Add CYGBLD_ATTRIB_UNUSED. Part of [ Bugzilla 100504 ]
| author | grante |
|---|---|
| date | Tue, 06 Mar 2012 18:44:56 +0000 |
| parents | 44b61e2c19f7 |
| children | e8b153151417 |
| files | packages/infra/current/ChangeLog packages/infra/current/include/cyg_type.h |
| diffstat | 2 files changed, 13 insertions(+), 0 deletions(-) [+] |
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--- a/packages/infra/current/ChangeLog +++ b/packages/infra/current/ChangeLog @@ -1,4 +1,10 @@ 2012-03-06 Grant Edwards <grant.b.edwards@gmail.com> + + * include/cyg_type.h: Add CYGBLD_ATTRIB_UNUSED macro to be used to + eliminate compiler warnings about unused or set-but-not-referenced + varibles. Part of: [ Bugzilla 1001504 ] + +2012-03-06 * src/diag.cxx: Fix compiler warnings about variables that are set but never read. [ Bugzilla 1001503 ]
--- a/packages/infra/current/include/cyg_type.h +++ b/packages/infra/current/include/cyg_type.h @@ -452,6 +452,11 @@ typedef cyg_haladdrword CYG_ADDRWORD; # define CYGBLD_ATTRIB_STRFTIME_FORMAT(__format__, __args__) \ __attribute__((format (strftime, __format__, __args__))) +// Tell compiler not to warn us about an unused variable -- generally +// because it will be used when sources are build under certain +// circumstances (e.g. with debugging or asserts enabled. +# define CYGBLD_ATTRIB_UNUSED __attribute__((unused)) + // Tell the compiler not to throw away a variable or function. Only known // available on 3.3.2 or above. Old version's didn't throw them away, // but using the unused attribute should stop warnings. @@ -464,6 +469,8 @@ typedef cyg_haladdrword CYG_ADDRWORD; # endif #else // non-GNU +# define CYGBLD_ATTRIB_UNUSED /* nothing */ + # define CYGBLD_ATTRIB_CONSTRUCTOR # define CYGBLD_ATTRIB_NORET