-Werror now enabled by default

[Richard Earnshaw]

On 10/12/14 01:17, Joseph Myers wrote:
> I've committed the patch to enable -Werror by default.  I get a clean 
> build and test on x86_64 with GCC 4.9, but *this is expected to break the 
> build for some other configurations*.  If you see build breakage from 
> warnings, you should submit patches to fix or disable those warnings as 
> appropriate (or use -Wno-error if really necessary - only for warnings not 
> enabled by an option that can be used in diagnostic pragmas).
> 
> -Wno-error=undef is used until the build and test is clean for -Wundef on 
> at least one configuration.
> 

I'm seeing testsuite failures on AArch64:


tst-mbswcs1.c: In function ‘do_test’:
tst-mbswcs1.c:54:3: error: format ‘%Zd’ expects argument of type ‘signed
size_t’, but argument 2 has type ‘int’ [-Werror=format=]
   show (mbrtowc (&wc, (const char *) buf + 0, 1, &state), 1, 37);
   ^

etc.

R.