On 1 September 2017 at 15:29, Alessandro Vicini wrote: > > > Hullo everybody, > > I am using gfortran-6 under Suse sles11. The linking step for my program looks like the following: > > gcc-6 -static-libgcc -o myprogram.exe myprogram.o $(GRAPHIC_LIBS) -Wl,-Bstatic -lgfortran -lquadmath -lgomp -Wl,-Bdynamic -lm > > This works fine. > However, when I move under a Suse Sles12 system, I get the following error: > > /usr/x86_64-suse-linux/bin/ld: /usr/lib64/gcc/x86_64-suse-linux/7/libgomp.a(target.o): undefined reference to symbol 'dlclose@@GLIBC_2.2.5' > /lib64/libdl.so.2: error adding symbols: DSO missing from command line > collect2: error: ld returned 1 exit status > > Any hint about what could be the problem? Thank you. This isn't really a GCC question, but the problem is that dlclose is defined in libdl and you didn't add -ldl to the command-line.