[Ipopt] Static libraries produce a bunch of warnings

[Paul Smith]

Thanks, Stefan. Indeed, with the

-Wno-unused-parameter

flag, no warning is shown.

Paul


On Thu, Feb 24, 2011 at 10:15 AM, Stefan Vigerske
<stefan at math.hu-berlin.de> wrote:
> Hi,
>
> if you add -Wno-unused-parameter to the compiler flags, most of them should
> go away.
> In the COIN-OR build system, -W (== -Wextra) is not set, so you won't see
> them when using the Ipopt makefiles.
> The warnings you see do not seem to indicate a bug. There is a way to fix
> them in the code, but it would mean quite some effort.
>
> Stefan
>
> Am 24.02.2011 00:55, schrieb Paul Smith:
>>
>> Dear All,
>>
>> I have compiled Ipopt with the option --enable-static, and when I use
>> the Ipopt static libraries to use Ipopt from inside a C++ program, I
>> get a bunch of warnings. (Please, find below some of these warnings.)
>> Can these warnings be avoided? My code is the one that comes with the
>> cpp_example in the Ipopt distribution, and the binary that I get after
>> compiling this example works fine.
>>
>> Thanks in advance,
>>
>> Paul
>>
>> -------------------------------------------------
>>
>> $ make
>> g++ -c -pipe -g -Wall -W -D_REENTRANT
>> -I/usr/lib64/qt4/mkspecs/linux-g++ -I. -I/usr/include
>> -I/home/psmith/ipopt/include/coin
>> -I/home/psmith/ipopt/include/coin/ThirdParty -I. -o MyNLP.o MyNLP.cpp
>> In file included from /home/psmith/ipopt/include/coin/IpTNLP.hpp:13:0,
>>                  from MyNLP.hpp:12,
>>                  from MyNLP.cpp:9:
>> /home/psmith/ipopt/include/coin/IpReferenced.hpp:205:8: warning:
>> unused parameter 'referencer'
>> In file included from /home/psmith/ipopt/include/coin/IpTNLP.hpp:13:0,
>>                  from MyNLP.hpp:12,
>>                  from MyNLP.cpp:9:
>> /home/psmith/ipopt/include/coin/IpReferenced.hpp:218:8: warning:
>> unused parameter 'referencer'
>> In file included from MyNLP.hpp:12:0,
>>                  from MyNLP.cpp:9:
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'n'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'var_string_md'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'var_integer_md'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'var_numeric_md'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'm'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'con_string_md'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'con_integer_md'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:90:18: warning: unused
>> parameter 'con_numeric_md'
>> In file included from MyNLP.hpp:12:0,
>>                  from MyNLP.cpp:9:
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'obj_scaling'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'use_x_scaling'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'n'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'x_scaling'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'use_g_scaling'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'm'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:119:18: warning: unused
>> parameter 'g_scaling'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:132:18: warning: unused
>> parameter 'n'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:132:18: warning: unused
>> parameter 'var_types'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:140:18: warning: unused
>> parameter 'm'
>> /home/psmith/ipopt/include/coin/IpTNLP.hpp:140:18: warning: unused
>> parameter 'const_types'
>> In file included from MyNLP.hpp:12:0,
>> [...]
>>
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>
>