gnu: openexr: Update to 2.3.0.

* gnu/packages/graphics.scm (openexr): Update to 2.3.0.
[source](uri): Change to new download location.
[source](snippet): Remove workaround.
[source](patches): Remove.
* gnu/packages/patches/openexr-missing-samples.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -1000,7 +1000,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/ola-readdir-r.patch			\
   %D%/packages/patches/openbabel-fix-crash-on-nwchem-output.patch	\
   %D%/packages/patches/opencascade-oce-glibc-2.26.patch		\
-  %D%/packages/patches/openexr-missing-samples.patch		\
   %D%/packages/patches/openfoam-4.1-cleanup.patch			\
   %D%/packages/patches/openldap-CVE-2017-9287.patch		\
   %D%/packages/patches/openocd-nrf52.patch			\

gnu/packages/graphics.scm

@@ -320,29 +320,22 @@ graphics.")
 (define-public openexr
   (package
     (name "openexr")
-    (version "2.2.1")
+    (version "2.3.0")
     (source (origin
               (method url-fetch)
-              (uri (string-append "mirror://savannah/openexr/openexr-"
+              (uri (string-append "https://github.com/openexr/openexr/releases"
+                                  "/download/v" version "/openexr-"
                                   version ".tar.gz"))
               (sha256
                (base32
-                "1kdf2gqznsdinbd5vcmqnif442nyhdf9l7ckc51410qm2gv5m6lg"))
+                "19jywbs9qjvsbkvlvzayzi81s976k53wg53vw4xj66lcgylb6v7x"))
               (modules '((guix build utils)))
               (snippet
                '(begin
                   (substitute* (find-files "." "tmpDir\\.h")
                     (("\"/var/tmp/\"")
                      "\"/tmp/\""))
-
+                  #t))))
-                  ;; Install 'ImfStdIO.h'.  Reported at
-                  ;; <https://lists.nongnu.org/archive/html/openexr-devel/2016-06/msg00001.html>
-                  ;; and <https://github.com/openexr/openexr/pull/184>.
-                  (substitute* "IlmImf/Makefile.in"
-                    (("ImfIO\\.h")
-                     "ImfIO.h ImfStdIO.h"))
-                  #t))
-              (patches (search-patches "openexr-missing-samples.patch"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases

gnu/packages/patches/openexr-missing-samples.patch

@@ -1,23 +0,0 @@
-This patch comments out tests that rely on files that are missing
-from the source tarball.
-
---- openexr-2.2.0/IlmImfTest/testSampleImages.cpp	2015-02-25 16:19:21.565105625 +0100
-+++ openexr-2.2.0/IlmImfTest/testSampleImages.cpp	2015-02-25 16:21:46.394128206 +0100
-@@ -162,16 +162,6 @@ testSampleImages (const std::string&)
- 	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_b44.exr",
- 		       ILM_IMF_TEST_IMAGEDIR "comp_b44_piz.exr");
- 
--	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwaa_v1.exr",
--		       ILM_IMF_TEST_IMAGEDIR "comp_dwaa_piz.exr");
--	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwaa_v2.exr",
--		       ILM_IMF_TEST_IMAGEDIR "comp_dwaa_piz.exr");
--
--	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwab_v1.exr",
--		       ILM_IMF_TEST_IMAGEDIR "comp_dwab_piz.exr");
--	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwab_v2.exr",
--		       ILM_IMF_TEST_IMAGEDIR "comp_dwab_piz.exr");
--
- 
- 	cout << "ok\n" << endl;
-     }
-