On Thu, 7 Nov 2013, at 13:51, Jed Brown wrote: > Svetlana Tkachenko <svetlana.tkache...@fastmail.fm> writes: > > > On Thu, 7 Nov 2013, at 12:56, Jed Brown wrote: > >> Svetlana Tkachenko <svetlana.tkache...@fastmail.fm> writes: > >> > >> > ~/dev/test/petsc $ mv solver.f solver.F > >> > ~/dev/test/petsc $ make > >> > gfortran -c -fPIC -Wall -Wno-unused-variable -g -fopenmp > >> > -I/home/<username>/petsc/include > >> > -I/home/<username>/petsc/linux-amd64/include > >> > -I/home/<username>/petsc/include/mpiuni -o solver.o solver.F > >> > solver.F:8.46: > >> > > >> > if (ierr .ne. 0) call MPI_Abort(PETSC_COMM_WORLD,ierr,ierr > >> > 1 > >> > Error: Missing ')' in statement at or before (1) > >> > >> You indented so far that the expanded macro spilled over the > >> 72-character line length needed to fit on a punch card in the 1950s. If > >> you would like to modernize your Fortran dialect beyond the constraints > >> of punch cards, you could consider naming your file .F90 or adding the > >> option -ffree-form, perhaps also with -ffree-line-length-none. > >> Email had 1 attachment: > >> + Attachment2 > >> 1k (application/pgp-signature) > > > > Thank you for the advice. > > I've named both files .F90 and now that's what it's got. > > > > ~/dev/test/petsc $ ls > > makefile myexample.F90 solver.F90 > > ~/dev/test/petsc $ make > > gfortran -c -fPIC -Wall -Wno-unused-variable -g -fopenmp > > -I/home/<username>/petsc/include > > -I/home/<username>/petsc/linux-amd64/include > > -I/home/<username>/petsc/include/mpiuni -o myexample.o myexample.F90 > > gfortran -c -fPIC -Wall -Wno-unused-variable -g -fopenmp > > -I/home/<username>/petsc/include > > -I/home/<username>/petsc/linux-amd64/include > > -I/home/<username>/petsc/include/mpiuni -o solver.o solver.F90 > > gcc -fopenmp -fopenmp -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing > > -Wno-unknown-pragmas -g3 -fno-inline -O0 -fopenmp -o myexample myexample.o > > solver.o -Wl,-rpath,/home/<username>/petsc/linux-amd64/lib > > -L/home/<username>/petsc/linux-amd64/lib -lpetsc > > -Wl,-rpath,/home/<username>/petsc/linux-amd64/lib -lflapack -lfblas -lX11 > > -lpthread -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/4.4.7 > > -L/usr/lib/gcc/x86_64-redhat-linux/4.4.7 -lgfortran -lm -lm -lstdc++ > > -lstdc++ -ldl -lgcc_s -ldl > > /usr/lib/gcc/x86_64-redhat-linux/4.4.7/../../../../lib64/crt1.o: In > > function `_start': > > (.text+0x20): undefined reference to `main' > > What do you expect? Your file only contains a subroutine, no "program".
What do you mean? (I don't think the program name has to be 'main'.). ~/dev/test/petsc $ cat myexample.F90 program myexample call solver end ~/dev/test/petsc $