On 09/26/2011 05:11 PM, Ian Lance Taylor wrote: > Andrew Haley <a...@redhat.com> writes: > >> On 09/19/2011 06:59 PM, Jon Grant wrote: >> >>> >>> I noticed that when compiling C files with GCC and using the -Werror >>> option, I see this additional output: >>> >>> cc1.exe: warnings being treated as errors >>> ./src/main.c: In function 'main': >>> ./src/main.c:41:15: error: unused variable 'hello' >>> >>> Is the "cc1" line output needed? >> >> Oh, sure. It's really helpful to see an explanation as to why the >> compilation stopped on an apparently legal C program. > > In the past, definitely, but today I'm going to argue that now that > -fdiagnostics-show-option is the default, we can reasonably remove that > line. Consider: > > foo.c: In function ‘foo’: > foo.c:1:18: error: unused variable ‘hello’ [-Werror=unused-variable] > cc1: all warnings being treated as errors > > The -Werror= tag output by -fdiagnostics-show-option provides all the > required information.
That's probably true. Andrew.
