bug#16268: LT__UNUSED in libltdl/ltdl.c and compiler warning

[Gary V. Vaughan]

On Dec 27, 2013, at 7:34 PM, Dilyan Palauzov <address@hidden> wrote:
> 
> Hello,
> 
> my GCC 4.8.3 20131226 (prerelease) produces the warning in libltdl/ltdl.c, 
> when compiled with -Wall -Wextra:
> 
>  CC       libltdl/libltdl_libltdlc_la-ltdl.lo
> libltdl/ltdl.c: In function ‘load_deplibs’:
> libltdl/ltdl.c:818:53: warning: unused parameter ‘deplibs’ 
> [-Wunused-parameter]
> load_deplibs (lt_dlhandle handle, char * LT__UNUSED deplibs)
>                                                     ^
> which warning is fixed with the patch below.
> 
> By the way the warning disappears, in all these cases:
> load_deplibs (lt_dlhandle handle, LT__UNUSED char * deplibs)
> load_deplibs (lt_dlhandle handle, char LT__UNUSED * deplibs)
> load_deplibs (lt_dlhandle handle, char * deplibs LT__UNUSED)
> 
> Reading 
> http://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html#Attribute-Syntax I do 
> not see how LT__UNUSED between * and deplibs shall be wrong, but the compiler 
> emits the warnings.

ACK.  Fixed in current master.

Thanks for the report.

Cheers,
-- 
Gary V. Vaughan (gary AT gnu DOT org)