* gnu/packages/ocaml.scm (ocaml)[version]: Update to 4.02.1.
[source]: Use 'version-major+minor'. Use .xz tarball.
[home-page]: Update URI.
[license]: gpl2 -> lgpl2.0.
[inputs]: Add libx11, gcc:lib, and zlib. Remove perl.
[native-inputs]: New field, with perl and pkg-config.
[arguments]: In #:modules, remove (srfi srfi-1), add (web server). Use
'modify-phases'. Enable parallel build. Add 'patch-/bin/sh-references' and
'prepare-socket-test' phases. Rename 'check-after-install' phase to
'check'. Use 'with-directory-excursion' in 'check' phase. Remove unused
keyword arguments from custom phases.
69b8f08cbd