gnu: ocaml-piqilib: Update to 0.6.15.

* gnu/packages/ocaml.scm (ocaml-piqilib): Update to 0.6.15.
[source]: Remove patch.
[native-inputs]: Remove camlp4.
[propagated-inputs]: Replace ulex with sedlex.
* gnu/packages/patches/ocaml-piqilib-Update-base64.patch: Remove file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -1195,7 +1195,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/ocaml-dose3-Fix-for-ocaml-4.06.patch	\
   %D%/packages/patches/ocaml-dose3-dont-make-printconf.patch	\
   %D%/packages/patches/ocaml-dose3-Install-mli-cmx-etc.patch	\
-  %D%/packages/patches/ocaml-piqilib-Update-base64.patch	\
   %D%/packages/patches/omake-fix-non-determinism.patch	\
   %D%/packages/patches/ola-readdir-r.patch			\
   %D%/packages/patches/openbabel-fix-crash-on-nwchem-output.patch	\

gnu/packages/ocaml.scm

@@ -2821,7 +2821,7 @@ Format module of the OCaml standard library.")
 (define-public ocaml-piqilib
   (package
     (name "ocaml-piqilib")
-    (version "0.6.14")
+    (version "0.6.15")
     (source
      (origin
        (method git-fetch)
@@ -2830,9 +2830,7 @@ Format module of the OCaml standard library.")
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "0lyqllmfsxmwlg7qidy92kvxi9n39lvachmydcyi81f8p07ykd2d"))
-       (patches
-         (search-patches "ocaml-piqilib-Update-base64.patch"))))
+        (base32 "0v04hs85xv6d4ysqxyv1dik34dx49yab9shpi4x7iv19qlzl7csb"))))
     (build-system ocaml-build-system)
     (arguments
      `(#:phases
@@ -2868,13 +2866,12 @@ Format module of the OCaml standard library.")
                       (string-append stubs "/dllpiqilib_stubs.so"))
              #t))))))
     (native-inputs
-     `(("which" ,which)
-       ("camlp4" ,camlp4)))
+     `(("which" ,which)))
     (propagated-inputs
-     `(("xmlm" ,ocaml-xmlm)
-       ("ulex" ,ocaml-ulex)
-       ("easy-format" ,ocaml-easy-format)
-       ("base64" ,ocaml-base64)))
+     `(("ocaml-xmlm" ,ocaml-xmlm)
+       ("ocaml-sedlex" ,ocaml-sedlex)
+       ("ocaml-easy-format" ,ocaml-easy-format)
+       ("ocaml-base64" ,ocaml-base64)))
     (home-page "http://piqi.org")
     (synopsis "Data serialization and conversion library")
     (description "Piqilib is the common library used by the piqi command-line

gnu/packages/patches/ocaml-piqilib-Update-base64.patch

@@ -1,46 +0,0 @@
-From 98abdbff3d5316a75f27d6a76fe09317d56f2a38 Mon Sep 17 00:00:00 2001
-From: Vincent Bernardoff <vb@luminar.eu.org>
-Date: Sun, 10 Feb 2019 14:47:07 +0100
-Subject: [PATCH] Fix compilation with newer base64 versions
-
----
- opam                   | 2 +-
- piqilib/piqi_base64.ml | 9 ++++-----
- 2 files changed, 5 insertions(+), 6 deletions(-)
-
-diff --git a/opam b/opam
-index 3a9128e..bb5a53f 100644
---- a/opam
-+++ b/opam
-@@ -26,6 +26,6 @@ depends: [
-   "easy-format"
-   "ulex"
-   "xmlm"
--  "base64" {>="2.0.0"}
-+  "base64" {>="3.1.0"}
- ]
- dev-repo: "git://github.com/alavrik/piqi"
-diff --git a/piqilib/piqi_base64.ml b/piqilib/piqi_base64.ml
-index c5a6ae7..a98346e 100644
---- a/piqilib/piqi_base64.ml
-+++ b/piqilib/piqi_base64.ml
-@@ -18,12 +18,11 @@
- (* TODO: add more base64 validation; the base64 library doesn't do any
-  * validation *)
- let decode x =
--  try
--    B64.decode x
--  with _ ->
--    invalid_arg "Piqi_base64.decode"
-+  match Base64.decode x with
-+  | Error _ -> invalid_arg "Piqi_base64.decode"
-+  | Ok v -> v
- 
- 
- let encode x =
--  B64.encode x
-+  Base64.encode_exn x
- 
--- 
-2.21.0
-