How to disable "cc1plus: warnings being treated as errors"

Kris Kennaway kris at
Thu Aug 28 13:24:31 UTC 2008

Anton Shterenlikht wrote:
> On Thu, Aug 28, 2008 at 02:51:57PM +0200, Kris Kennaway wrote:
>> Anton Shterenlikht wrote:
>>> I'm trying to build a port and get stopped on a warning
>>> because
>>> 	"cc1plus: warnings being treated as errors"
>>> Even though it is probably there for a reason, I'd like
>>> to try to continue with the build. But I cannot see
>>> what c++ switch prevents warnings from being treated as
>>> errors.
>>> Please advise
>>> many thanks
>> It is -Werror.
> seems to have no effect here:
> # g++42 -o nsCookieService.o -c -fvisibility=hidden -DMOZILLA_INTERNAL_API
> -I../../../dist/include/xpcom -I../../../dist/include/string
> -I../../../dist/include/pref -I../../../dist/include/storage
> -I../../../dist/include -I../../../dist/include/necko
> -I/usr/local/include/nspr -I/usr/include -I../../../dist/sdk/include
> -I/usr/local/include -fPIC -I/usr/local/include -I/usr/local/include
> -fno-rtti -fno-exceptions -Wall -Wconversion -Wpointer-arith
> -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor
> -Wcast-align -Wno-long-long -Werror -O -pipe -mcpu=ev6 -mieee -O2
>                             ^^^^^^^
> -fno-strict-aliasing -fno-strict-aliasing -fshort-wchar -pipe -DNDEBUG
> -DTRIMMED -O -Werror -I/usr/local/include -I/usr/local/include
> -DMOZILLA_CLIENT -include ../../../mozilla-config.h nsCookieService.cpp
> cc1plus: warnings being treated as errors
>          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> or is it being overwritten by other -W options?

No, -Werror is the *cause* of that condition.  See the info(1) page.


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