In file hEarthOrbit.f:21

      write(iuo,'(" re = ",1g12.4,3x,
                1
Warning (100): Unexpected end of format string in format string at (1)
ld: warning: -macosx_version_min not specified, assuming 10.6
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(top.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(transfer.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(stop.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(coarray.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(main.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(array.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(unit.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(read.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(string.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(list_read.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(format.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(memory.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(error.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(fpu_set.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(fpu_trap.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(random.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(environ.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(write.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(iread.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(stream.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(unix_io.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(iwrite.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(fwrite.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(ff.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(atof.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(namelist.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(ftoa.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(safe-ctype.o)) was built for newer OSX version (10.11) than being linked (10.6)
ld: warning: object file (/opt/local/lib/g95/x86_64-apple-darwin15/4.2.4/libf95.a(mutex.o)) was built for newer OSX version (10.11) than being linked (10.6)