[Symphony] Symphony on C++ with Eclipse
Hugh Medal
hugh.medal at msstate.edu
Tue Dec 4 19:52:38 EST 2012
Thanks Ted. Everything appears to be working.
On Tue, Dec 4, 2012 at 9:35 AM, Ted Ralphs <ted at lehigh.edu> wrote:
> Linux has separate search paths for executables and shared libraries. The
> problem is that the directory where the COIN libraries live is not in your
> library search path. You need to either set the environment variable
> "LD_LIBRARY_PATH" to include the path to the directory where the COIN
> libraries are installed or install them into one of the system library
> paths, such as /usr/lib. Another option is to link with something like
>
> -Wl,--rpath -Wl,/home/me/Coin-Pkg/lib
>
>
> which embeds the path to the library in the executable. There is actually
> quite a bit of documentation describing how to link to COIN libraries here:
>
>
> https://projects.coin-or.org/BuildTools/wiki/user-examples#LinkingyourCodewithCOIN-ORLibraries
>
> This should give you everything you need.
>
> Cheers,
>
> Ted
>
>
> On Tue, Dec 4, 2012 at 6:57 AM, Hugh Medal <hugh.medal at msstate.edu> wrote:
>
>> Thanks Ted.
>>
>> That helped. I added all of the libraries listed by the pkg-config tool
>> to Eclipse. Now, my build is successful.
>>
>> However, when I try to run my class, I get this error:
>>
>> /home/hmedal/Documents/2_msu/research_manager/code/ide/eclipse/HughCPP/Debug/HughCPP:
>> error while loading shared libraries: libOsiSym.so.2: cannot open shared
>> object file: No such file or directory
>>
>> Do you have any ideas?
>>
>> Here is my class again:
>>
>> MySource.cpp
>>
>> #include "OsiSymSolverInterface.hpp"
>>
>> int main(int argc, char **argv)
>> {
>> OsiSymSolverInterface osi;
>> }
>>
>> Here is the list of libraries I am using:
>>
>> Building target: HughCPP
>> Invoking: GCC C++ Linker
>> g++ -L/opt/ibm/ILOG/CPLEX_Studio124/cplex/lib/x86_sles10_4.1/static_pic
>> -L/opt/ibm/ILOG/CPLEX_Studio124/concert/lib/x86_sles10_4.1/static_pic
>> -L/opt/SYMPHONY-5.4.4/lib -o "HughCPP" ./src/lagrangean/LRAlgorithm.o
>> ./src/lagrangean/LRAlgorithm_test.o
>> ./src/lagrangean/LagrangeanFormulation.o
>> ./src/lagrangean/LagrangeanFormulation_test.o ./src/knapsack/KnapsackDP.o
>> ./src/knapsack/KnapsackDP_test.o ./src/Lottery.o ./src/MegaLottery.o
>> ./src/MySource.o -lilocplex -lcplex -lconcert -lm -lpthread -lOsiSym
>> -lSym -lCgl -lOsiClp -lClp -lOsi -lCoinUtils -lbz2 -lz -llapack -lblas
>>
>> Also, I tried using the Makefile in <prefix>/SYMPHONY/Examples to build
>> my file (MySource.cpp). However, it gives this error:
>>
>> MySource.cpp:10:37: fatal error: OsiSymSolverInterface.hpp: No such file
>> or directory
>>
>> I don't see any references to <prefix>/include in the Makefile.
>>
>> Thanks,
>> Hugh
>>
>>
>>
>> On Sun, Dec 2, 2012 at 5:52 PM, Ted Ralphs <ted at lehigh.edu> wrote:
>>
>>> Hi Hugh,
>>>
>>> The problem is that you need to link more than just the SYMPHONY
>>> library. There is a separate library for the OSI interface, as well as
>>> libraries for a number of other dependent COIN projects. However, since you
>>> are in Linux, the fix is easy. The most straightforward way to build your
>>> own application is to just modify one of the files in the
>>> <prefix>/SYMPHONY/Examples directory. There is a Makefile there that will
>>> build an executable from any source file you provide. For example, simply
>>> typing "make milp" will build the main function in milp.c and link it to
>>> SYMPHONY. If you put MySource.cpp in the Examples directory and type "make
>>> MySource", it should build properly. Note, however, that if you are going
>>> to use the OSI interface, you will need to set "USE_OSI_INTERFACE" to TRUE.
>>>
>>> To give a little more detail in case you want to build you own makefile,
>>> you can use the automatically generated Makefile in
>>> <prefix>/SYMPHONY/Examples as a template. You will notice that the command
>>> line for linking gets the list of libraries using the "pkg-config" command.
>>> You can get the list of libraries explicitly using this command if you
>>> like. For example, here is the command to get the list of libraries that
>>> must be added when linking:
>>>
>>> PKG_CONFIG_PATH=<prefix>/lib/pkgconfig pkg-config --libs symphony
>>>
>>> You can also get a list of additional flags for building:
>>>
>>> PKG_CONFIG_PATH=<prefix>/lib/pkgconfig pkg-config --cflags symphony
>>>
>>> If you want to use the OSI interface, you need to replace "symphony"
>>> with "osi-sym" in the above command.
>>>
>>> Another alternative is that the output of the pkg-config command is also
>>> automatically installed in <prefix>/share/coin/doc/SYMPHONY/sym_addlibs.txt.
>>>
>>> This should get you going. Let me know if you have additional questions.
>>>
>>> Cheers,
>>>
>>> Ted
>>>
>>>
>>> On Sat, Dec 1, 2012 at 11:03 AM, Hugh Medal <hugh.medal at msstate.edu>wrote:
>>>
>>>> Thank you Ted.
>>>>
>>>> *Here is my info:*
>>>> OS: Linux (Ubuntu 12.04)
>>>> Compiler: g++ (version 4.6.3)
>>>> SYMPHONY version: 5.4.4
>>>> Eclipse version: 4.2.0; using CDT plugin
>>>>
>>>> *Steps I have taken:*
>>>> 1. Installed SYMPHONY 5.4.4 into my /opt directory (using ./configure,
>>>> make, make install; I ran make test and it was successful)
>>>> 2. Added the symphony include directories to Eclipse
>>>> - Project > Properties > C/C++ Compiler > Settings > GCC C++ Compiler
>>>> > Includes
>>>> - added /opt/SYMPHONY-5.4.4/include
>>>> and /opt/SYMPHONY-5.4.4/SYMPHONY/include to the "include paths" list
>>>> 3. Added the symphony lib directory to Eclipse
>>>> - Project > Properties > C/C++ Compiler > Settings > GCC C++ Linker
>>>> > Libraries
>>>> - added /opt/SYMPHONY-5.4.4/lib to the "Library search path" list
>>>> 3. Added the symphony Libraries Eclipse
>>>> - Project > Properties > C/C++ Compiler > Settings > GCC C++ Linker
>>>> > Libraries
>>>> - added "Sym" to the "Libraries" list (I am not sure if I need to add
>>>> an more libraries)
>>>> 4. Created a C++ project
>>>> 5. Created the following .cpp file
>>>>
>>>> #include "coin/OsiSymSolverInterface.hpp"
>>>>
>>>> int main(int argc, char **argv)
>>>> {
>>>> OsiSymSolverInterface osi;
>>>> }
>>>>
>>>> *Problems:*
>>>> When I build my project, I am getting this message (see errors in bold):
>>>>
>>>> make all
>>>> Building file: ../src/MySource.cpp
>>>> Invoking: GCC C++ Compiler
>>>> g++ -I/opt/ibm/ILOG/CPLEX_Studio124/cplex/include
>>>> -I/opt/ibm/ILOG/CPLEX_Studio124/concert/include
>>>> -I/opt/SYMPHONY-5.4.4/include -I/opt/SYMPHONY-5.4.4/SYMPHONY/include -O0
>>>> -g3 -Wall -c -fmessage-length=0 -m32 -O -fPIC -fno-strict-aliasing
>>>> -fexceptions -DNDEBUG -DIL_STD -MMD -MP -MF"src/MySource.d"
>>>> -MT"src/MySource.d" -o "src/MySource.o" -c "../src/MySource.cpp"
>>>> Finished building: ../src/MySource.cpp
>>>>
>>>> Building target: HughCPP
>>>> Invoking: GCC C++ Linker
>>>> g++ -L/opt/ibm/ILOG/CPLEX_Studio124/cplex/lib/x86_sles10_4.1/static_pic
>>>> -L/opt/ibm/ILOG/CPLEX_Studio124/concert/lib/x86_sles10_4.1/static_pic
>>>> -L/opt/SYMPHONY-5.4.4/lib -o "HughCPP" ./src/Lottery.o ./src/MegaLottery.o
>>>> ./src/MySource.o -lilocplex -lcplex -lconcert -lm -lpthread -lSym
>>>> ./src/MySource.o: In function `main':
>>>> */home/hmedal/Documents/2_msu/research_manager/code/ide/eclipse/HughCPP/Debug/../src/MySource.cpp:125:
>>>> undefined reference to `OsiSymSolverInterface::OsiSymSolverInterface()'
>>>> *
>>>> */home/hmedal/Documents/2_msu/research_manager/code/ide/eclipse/HughCPP/Debug/../src/MySource.cpp:125:
>>>> undefined reference to `OsiSymSolverInterface::~OsiSymSolverInterface()'
>>>> *
>>>> *collect2: ld returned 1 exit status*
>>>> *make: *** [HughCPP] Error 1*
>>>>
>>>>
>>>> On Fri, Nov 30, 2012 at 9:38 AM, Ted Ralphs <ted at lehigh.edu> wrote:
>>>>
>>>>> I use Eclipse and can probably help, but you'll have to give some more
>>>>> information, such as
>>>>>
>>>>> 1. OS
>>>>> 2. Compiler
>>>>> 3. SYMPHONY version
>>>>> 4. What problems you've encountered
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Ted
>>>>>
>>>>> On Thu, Nov 29, 2012 at 8:40 PM, Hugh Medal <hugh.medal at msstate.edu>wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Has anyone had success getting SYMPHONY to work with Eclipse CDT? I
>>>>>> tried some instructions for SMI (
>>>>>> https://projects.coin-or.org/BuildTools/wiki/pm-howdoi) but couldn't
>>>>>> get them to work.
>>>>>>
>>>>>> Thanks,
>>>>>> Hugh
>>>>>>
>>>>>> --
>>>>>> Hugh Medal
>>>>>> Assistant Professor
>>>>>> Industrial and Systems Engineering
>>>>>> Mississippi State University
>>>>>> Office: 260K McCain
>>>>>> Office: 662-325-3923
>>>>>> Cell Phone: 701-866-1179
>>>>>> Email: hmedal at i <hmedal at uark.edu>se.msstate.edu
>>>>>> Website: hm568.ise.msstate.edu
>>>>>> Twitter: hughmedal <https://twitter.com/#!/hughmedal>
>>>>>> Facebook: Hugh Medal <http://www.facebook.com/hugh.medal>
>>>>>> LinkedIn: Hugh Medal<http://www.linkedin.com/profile/view?id=65478854&authType=name&authToken=lX4B&pvs=pp>
>>>>>> Google+: Hugh Medal<https://plus.google.com/111704068836614551361/posts>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Symphony mailing list
>>>>>> Symphony at list.coin-or.org
>>>>>> http://list.coin-or.org/mailman/listinfo/symphony
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Dr. Ted Ralphs
>>>>> Associate Professor, Lehigh University
>>>>> (610) 628-1280
>>>>> ted 'at' lehigh 'dot' edu
>>>>> coral.ie.lehigh.edu/~ted
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Hugh Medal
>>>> Assistant Professor
>>>> Industrial and Systems Engineering
>>>> Mississippi State University
>>>> Office: 260K McCain
>>>> Office: 662-325-3923
>>>> Cell Phone: 701-866-1179
>>>> Email: hmedal at i <hmedal at uark.edu>se.msstate.edu
>>>> Website: hm568.ise.msstate.edu
>>>> Twitter: hughmedal <https://twitter.com/#!/hughmedal>
>>>> Facebook: Hugh Medal <http://www.facebook.com/hugh.medal>
>>>> LinkedIn: Hugh Medal<http://www.linkedin.com/profile/view?id=65478854&authType=name&authToken=lX4B&pvs=pp>
>>>> Google+: Hugh Medal<https://plus.google.com/111704068836614551361/posts>
>>>>
>>>>
>>>
>>>
>>> --
>>> Dr. Ted Ralphs
>>> Associate Professor, Lehigh University
>>> (610) 628-1280
>>> ted 'at' lehigh 'dot' edu
>>> coral.ie.lehigh.edu/~ted
>>>
>>>
>>
>>
>> --
>> Hugh Medal
>> Assistant Professor
>> Industrial and Systems Engineering
>> Mississippi State University
>> Office: 260K McCain
>> Office: 662-325-3923
>> Cell Phone: 701-866-1179
>> Email: hmedal at i <hmedal at uark.edu>se.msstate.edu
>> Website: hm568.ise.msstate.edu
>> Twitter: hughmedal <https://twitter.com/#!/hughmedal>
>> Facebook: Hugh Medal <http://www.facebook.com/hugh.medal>
>> LinkedIn: Hugh Medal<http://www.linkedin.com/profile/view?id=65478854&authType=name&authToken=lX4B&pvs=pp>
>> Google+: Hugh Medal <https://plus.google.com/111704068836614551361/posts>
>>
>>
>
>
> --
> Dr. Ted Ralphs
> Associate Professor, Lehigh University
> (610) 628-1280
> ted 'at' lehigh 'dot' edu
> coral.ie.lehigh.edu/~ted
>
>
--
Hugh Medal
Assistant Professor
Industrial and Systems Engineering
Mississippi State University
Office: 260K McCain
Office: 662-325-3923
Cell Phone: 701-866-1179
Email: hmedal at i <hmedal at uark.edu>se.msstate.edu
Website: hm568.ise.msstate.edu
Twitter: hughmedal <https://twitter.com/#!/hughmedal>
Facebook: Hugh Medal <http://www.facebook.com/hugh.medal>
LinkedIn: Hugh Medal<http://www.linkedin.com/profile/view?id=65478854&authType=name&authToken=lX4B&pvs=pp>
Google+: Hugh Medal <https://plus.google.com/111704068836614551361/posts>
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