Re: [roboptim-user] Compiling ipopt-plugin on windows

[Thomas M. <tho...@gm...>]

On Mon, Apr 12, 2010 at 10:19 AM, Thomas Moulard
<tho...@gm...> wrote:
> On Tue, Apr 6, 2010 at 6:00 PM, Keith François <fra...@gm...> wrote:
>> Hello Thomas
>
> Hi Francois, sorry I have been busy last week. I forgot to answer your mail.
>
>> As I have explained to you earlier, we encoutered some issues during the
>> installation of roboptim-ipopt-plugin on windows
>> For now, I have tested two solutions (both of them work):
>>
>> The first one is based on the pre-compiled version of ipopt that can be
>> downloaded from the ipopt repository on the Internet.
>> Using it, compiling the plugin is not straightforward and requires two
>> modifications:
>>
>> Since the symbol corresponding to the constructor of IpoptApplication that
>> is used in the constructor of IpoptSolver is not exported, the linkage
>> fails.
>> The alternative consists in using the IpoptApplicationFactory instead.
>> Although it modifies the arguments passed to the constructor : (true, false)
>> instead of (false, false), this can be corrected afterwards by destroying
>> the journal created.
>>
>> Using the macro "HAVE_CONFIG_H" for the project and for all the project
>> depending on roboptim (in order to avoid the inclusion of a config file that
>> does not exist in the pre-compiled version of the library).
>>
>> The second solution is based on a ad-hoc compilation of the ipopt sources
>> and is more burdensome.
>> I won't go to much into details, but basically it consists in converting the
>> libraries blas, lapack and hm in static libraries (without using the f2c
>> compiler but instead the g77 compiler of mingw), and compiling ipopt as a
>> static library as much.
>> Then these four libraries can be linked by roboptim-core-ipopt-plugin, but
>> also by all the programs that use roboptim-core-ipopt-plugin.
>>
>>
>> As a result, and if you are ok with it, I propose to use the first solution,
>> so as to be more user friendly.
>
> Yes, installing Ipopt is already quite difficult so first solution seems more
> acceptable.
>
>> Besides, I'd like to make the inheritance of compilation flags (as the macro
>> HAVE_CONFIG_H) of roboptim easier by installing the corresponding property
>> sheet in the folder $(ROBOPTIM_INSTALL_DIR)/share/msvc
>> Does it suit you?
>
> Ok for me.
>
> By the way, the problems you are reporting seems to be real Ipopt bugs.
> Did you report them to the Ipopt mailing-list?

Patches set sent by Francois has been successfully pushed to master yesterday.
Problem solved. Thanks Francois!
-- 
Thomas Moulard
http://www.linkedin.com/in/moulard