or download this
Can't load '/usr/lib/perl5/vendor_perl/auto/Math/GSL/Errno/Errno.so'
+for module Math::GSL::Errno: libgsl.so.0: cannot open shared object f
+ile: No such file or directory at /usr/lib/perl5/DynaLoader.pm line 1
+93. at /usr/lib/perl5/vendor_perl/Math/GSL/Errno.pm line 11.
Compilation failed in require at /usr/lib/perl5/vendor_perl/Math/GSL/T
+est.pm line 7.
...
Compilation failed in require at /usr/lib/perl5/vendor_perl/Math/GSL.p
+m line 10.
BEGIN failed--compilation aborted at /usr/lib/perl5/vendor_perl/Math/G
+SL.pm line 10.
Compilation failed in require at ./test.pl line 10.