Re: gnulib bugs on OSX & C++

[Jarno Rajahalme]

Maybe the attachment was too long for the list, let me know if I need to send 
it again.

  Jarno

On Apr 15, 2010, at 12:57 PM, Jarno Rajahalme wrote:

> Bruno,
> 
> These warnings only show with -O, so this is related to optimization. I saw 
> the comment in the definition of the macros relating to not using const to 
> get rid of these warnings when optimizing, but that does not seem to work as 
> expected.
> 
> I have included the preprocessed output (main.cpp).
> 
> Compiled with:
> g++-mp-4.4 -DHAVE_CONFIG_H -I.. -I../lib -O1 -E -dD -c -o main.cpp main.cc
> 
>  Jarno
> 
> <main.cpp>
> 
> On Apr 10, 2010, at 2:42 AM, ext Bruno Haible wrote:
> 
>> Jarno Rajahalme wrote:
>>> main.cc:9: warning: call to 'strndup' declared with attribute warning: The 
>>> symbol ::strndup refers to the system function. Use gnulib::strndup instead.
>>> main.cc:12: warning: call to 'close' declared with attribute warning: The 
>>> symbol ::close refers to the system function. Use gnulib::close instead.
>> 
>> I don't understand the origin of these warnings. _GL_CXXALIAS_SYS is defined
>> in a way as to avoid these warnings. Can you show the relevant preprocessed
>> output?
>> $ g++-mp-4.4 -DHAVE_CONFIG_H -I. -I..  -I../lib -g -O2 main.cc -E | grep 
>> strndup
>> $ g++-mp-4.4 -DHAVE_CONFIG_H -I. -I..  -I../lib -g -O2 main.cc -E | grep 
>> close
>> 
>> Bruno
>