Hi,

On Mon, 22 Jan 2007, Jeremie Le Hen wrote:
> % c++ -O2 -Wall -Wpointer-arith -Wno-sign-compare -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter -std=gnu99 -Werror   -Wabi -Wold-style-cast -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder  -Wno-deprecated -Wno-non-template-friend  -Woverloaded-virtual -Wno-pmf-conversions -Wsign-promo -Wsynth     -c    zthreadstub.cc
...
> % cc1plus: warning: command line option "-std=gnu99" is valid for C/ObjC but not for C++
...
> The fix is trivial and the patch is following:
[drop -std=gnu99 from CXXFLAGS]

Why do you think it's better to make the system headers drop a wrongly 
used option? Personally, I'd say you shouldn't use that option, as the 
error/warning says.

(other lists that may be relevant for are tech-toolchain@ and 
tech-userlevel@).


  - Hubert