Re: error: conflicting types for ‘strsignal’... et al, while installing in Ubuntu

Pablo Barrio pbarrio@die.upm.es
Fri Dec 2 17:50:00 GMT 2011


In config.log:

-----------------

configure:8845: checking for strsignal
configure:8845: result: yes
...
configure:10068: checking whether strsignal is declared
configure:10100: result: yes
...
ac_cv_func_strsignal=yes
...
gcc_cv_have_decl_strsignal=yes

------------------

So... the strsignal test didn't fail. In auto-host.h, included by config.h:

/* Define to 1 if you have the `strsignal' function. */
#ifndef USED_FOR_TARGET
#define HAVE_STRSIGNAL 1
#endif

I've tried to edit auto-host.h to see if HAVE_STRSIGNAL was defined at preprocessing, but the file seems to be autogenerated so my modifications are lost.

Any ideas?
Thanks ahead,
Pablo

On 02/12/2011, at 16:09, Ian Lance Taylor wrote:

> Pablo Barrio <pbarrio@die.upm.es> writes:
> 
>> In file included from ../../gcc-v4.6.1/gcc/c-lang.c:24:0:
>> ../../gcc-v4.6.1/gcc/system.h:462:20: error: conflicting types for ‘strsignal’
>> /usr/include/string.h:566:14: note: previous declaration of ‘strsignal’ was here
> 
> Look in gcc/config.h.  I predict that HAVE_STRSIGNAL is not defined,
> although your system does have strsignal.  Look in gcc/config.log and
> try to find out why the test for strsignal failed.
> 
> Ian



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