Dear Heinrich, Thank you for your early response. I just checked the paths and the version and it is 4.54, which is the one I am actually using.
The same goes for the path to /src/cglib, It points to the 4.54. Is there anything else that might be happening? Thanks > On Jun 17, 2014, at 11:50 PM, "Heinrich Schuchardt" <[email protected]> > wrote: > > Hello Jose, > > The errors you report look like you are linking to an old version of GLPK > which does not contain the library function you want to use, > > You could check the output of glp_version. > > You can influence the library loadpath on OS X by exporting DYLD_LIBRARY_PATH. > > > Best regards > > Heinrich Schuchardt > > http://www.xypron.de > > > > Jose L Walteros <[email protected]> schrieb: >> >> Hi all, >> >> I tried to send this before and I think it didn't work. I am sorry if you >> receive it again. >> >> I have been working on a code for a while that uses the conflict graph >> libraries of GLPK. The code compiles perfectly in a Linux machine. However, >> when I try to compile it on a MacOS X (via the console) I get some linking >> errors. >> >> To give you an idea of my problem, I attached bellow a makefile and two >> trivial applications: main1.cpp is an application that reads clique4.lp, >> generates the conflict graph, and prints the number of vertices of such >> graph. As I mentioned, the code compiles perfectly in Linux using the same >> makefile (after updating the corresponding paths). In MacOS X, I get the >> following error: >> >> ----------------------------------------- >> Undefined symbols for architecture x86_64: >> "__glp_cfg_build_graph", referenced from: >> _main in main1-5183c5.o >> ld: symbol(s) not found for architecture x86_64 >> clang: error: linker command failed with exit code 1 (use -v to see >> invocation) >> make: *** [main1] Error 1 >> ----------------------------------------- >> >> To make sure there was no issues with the installation of GLPK or the path >> to the libraries, I created main2.cpp, which is an applications that simply >> reads and solves clique4.lp. Contrary to the previous case, main2.cpp >> compiles and runs perfectly. >> >> I have tried many things, but I haven't been able to make it work. I hope >> you guys can help. >> >> Regards, >> >> Attachments: >> >> ----------------------------------------- >> main1.cpp >> ----------------------------------------- >> #include <iostream> >> extern "C" { >> #include <glpk.h> >> #include "cfg.h" >> #include "env.h" >> #include "prob.h" >> } >> >> int main(int argc, const char * argv[]) >> { >> glp_prob *P; >> CFG *G; >> int nV, v, u, degree; >> >> P = glp_create_prob(); >> glp_read_lp(P, NULL, "./clique4.lp"); >> G = cfg_build_graph(P); >> >> nV = G->nv; >> >> std::cout<<"# vertices: "<<nV<<std::endl; >> >> int *ref = G->ref; >> int *neg = G->neg; >> int *pos = G->pos; >> >> for (v = 1; v <= nV; v++){ >> std::cout<<"vertex "<<v<<" --> variable "<<ref[v]<<"\n"; >> std::cout<<" pos "<<pos[ref[v]]<<" neg "<<neg[ref[v]]<<"\n"; >> } >> >> return 0; >> } >> ----------------------------------------- >> main2.cpp >> ----------------------------------------- >> >> #include <iostream> >> extern "C" { >> #include <glpk.h> >> } >> >> int main(int argc, const char * argv[]) >> { >> glp_prob *P; >> >> P = glp_create_prob(); >> glp_read_lp(P, NULL, "./clique4.lp"); >> glp_simplex(P, NULL); >> >> return 0; >> } >> ----------------------------------------- >> Makefile >> ----------------------------------------- >> >> CPP = g++ >> ARGS = -m64 -g >> GLPKPATH = /Users/jwalteros/Applications/GLPK/glpk-4.54 >> GLPKLIBPATH = /usr/local >> GLPK = $(GLPKLIBPATH)/include/ >> GLPKSRC = $(GLPKPATH)/src/ >> GLPKCGLIB = $(GLPKPATH)/src/cglib/ >> GLPKENV = $(GLPKPATH)/src/env/ >> GLPKMISC = $(GLPKPATH)/src/misc/ >> LIBGLPK = $(GLPKLIBPATH)/lib/ >> >> all: main1 main2 >> >> main1: >> $(CPP) $(ARGS) -o main1 main1.cpp -I$(GLPK) -I$(GLPKSRC) -I$(GLPKCGLIB) >> \ >> -I$(GLPKENV) -I$(GLPKENV) -I$(GLPKMISC) -L$(LIBGLPK) -lglpk >> >> main2: >> $(CPP) $(ARGS) -o main2 main2.cpp -I$(GLPK) -L$(LIBGLPK) -lglpk >> >> ----------------------------------------- >> _______________________________________________ Help-glpk mailing list >> [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
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