Re: trimming excess errors from -Werror

[Tim Prince <n8tm at aol dot com>]

dannysmith@clear.net.nz wrote:
> > cc1plus: warnings being treated as errors
> >
> > /cygdrive/e/gnu/gcc-4.3-20070511/libstdc++-v3/testsuite/17_int
> > ro/headers/all_c++200x_compatibility.cc:1:
> > error: -ffunction-sections may affect debugging on some targets
>
> This is actually a useful warning, since  -ffunction-sections not only
> affects debugging but also adds unnecessary size to executables on
> PE-COFF targets (and others where ld does not support --gc-sections).
> One way to avoid is to add --enable-cxx-flags='-fno-function-sections
> -fno-data-sections' to configure
>
> Danny  
Another way is to add this warning to the list of warnings which will be 
accepted by dejagnu.