Hi, I am trying to install overture with petsc on macos, so far overture and cg compilation goes fine, but I haven't been able to interface petsc with cgins. This is the error that I am getting when turning on petsc in cgins /sw/bin/g++-4 -fpic -fno-common -I/usr/include/c++/4.0.0/backward -g -w -I./src -I/Users/joegi/cfd/overture/v23/cg.v23/common/src -I/Users/joegi/cfd/overture/v23/cg.v23/common/shared -I/Users/joegi/cfd/overture/v23/cg.v23/common/moving/src -I/Users/joegi/cfd/overture/v23/cg.v23/common/chemistry -I/Users/joegi/cfd/overture/v23/cg.v23/common/dataBase -I/Users/joegi/cfd/overture/v23/cg.v23/src -I/Users/joegi/cfd/overture/v23/Overture.v23/include -I/Users/joegi/cfd/overture/v23/A++P++-0.7.9d/A++/install/include -I/sw/include -I/Users/joegi/cfd/overture/v23/petsc-2.3.2/include -I/Users/joegi/cfd/overture/v23/petsc-2.3.2/bmake/darwin -DOVERTURE_USE_PETSC -I/Users/joegi/cfd/overture/v23/petsc-2.3.2/include/mpiuni -I/usr/X11R6/include -o bin/cgins ./obj/cginsMain.o ./obj/buildEquationSolvers.o ./obj/PETScEquationSolver.o ./obj/MultigridEquationSolver.o -L`pwd`/../ins/lib -lCgins -L`pwd`/../common/lib -lCgCommon -L/Users/joegi/cfd/overture/v23/Overture.v23/lib -lOverture -lOverture_static -L/sw/lib -lhdf5 -ljpeg -lz /Users/joegi/cfd/overture/v23/petsc-2.3.2/lib/darwin -L/Users/joegi/cfd/overture/v23/petsc-2.3.2/lib/darwin -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetsc -lmpiuni -L/Users/joegi/cfd/overture/v23/A++P++-0.7.9d/A++/install/lib -lApp -lApp_static -llapack -lblas -Wl-framework,Accelerate -L/usr/X11R6/lib -lGL -lGLU -L/sw/lib -lXm -L/usr/X11R6/lib -lXpm -lXp -lXt -lXmu -lXi -lXext -lX11 -L/System/Library/Perl/5.8.8/darwin-thread-multi-2level/CORE -lperl -ldl -lm -lutil -lc ld: in /Users/joegi/cfd/overture/v23/petsc-2.3.2/lib/darwin, can't map file, errno=22 collect2: ld returned 1 exit status make: *** [bin/cgins] Error 1 at this point I ran out of ideas, any help will be appreciate . Cheers, Joel