Mercurial > ecos
changeset 2924:56796f529a99
* include/cyg_type.h: Changed definition of macro
CYG_REFERENCE_OBJECT according to proposal of Bart Veer on
ecos-discuss mailing list.
| author | jld |
|---|---|
| date | Tue, 06 Oct 2009 12:34:55 +0000 |
| parents | a3997dc62092 |
| children | 7cbaadc92c67 |
| files | packages/infra/current/ChangeLog packages/infra/current/include/cyg_type.h |
| diffstat | 2 files changed, 15 insertions(+), 8 deletions(-) [+] |
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--- a/packages/infra/current/ChangeLog +++ b/packages/infra/current/ChangeLog @@ -1,3 +1,9 @@ +2009-10-06 Uwe Kindler <uwe_kindler@web.de> + + * include/cyg_type.h: Changed definition of macro + CYG_REFERENCE_OBJECT according to proposal of Bart Veer on + ecos-discuss mailing list. + 2009-02-14 Jonathan Larmour <jifl@eCosCentric.com> * tests/cxxsupp.cxx (cyg_start): Only test 'new' with ARM tools after
--- a/packages/infra/current/include/cyg_type.h +++ b/packages/infra/current/include/cyg_type.h @@ -196,15 +196,16 @@ typedef cyg_halbool bool; CYG_MACRO_END -// ------------------------------------------------------------------------- -// Reference a symbol without explicitly making use of it. Ensures that -// the object containing the symbol will be included when linking. +//---------------------------------------------------------------------------- +// The unused attribute stops the compiler warning about the variable +// not being used. +// The used attribute prevents the compiler from optimizing it away. -#define CYG_REFERENCE_OBJECT(__object__) \ - CYG_MACRO_START \ - static void *__cygvar_discard_me__ __attribute__ ((unused)) = \ - &(__object__); \ - CYG_MACRO_END +#define CYG_REFERENCE_OBJECT(__object__) \ + CYG_MACRO_START \ + static const void* __cygvar_discard_me__ \ + __attribute__ ((unused, used)) = (const void*)&(__object__); \ + CYG_MACRO_END // ------------------------------------------------------------------------- // Define basic types for using integers in memory and structures;