[bug#43761] [PATCH v2] gnu: gmsh: Update to 4.6.0.

[zimoun <zimon.toutoune@gmail.com>]

Gmsh bundled METIS 5 released with Apache License 2.0 since upstream commit
eaff7f6477fe876991615cfa4b5832bd5f12994b.

* gnu/packages/maths.scm (gmsh): Update to 4.6.0.
(origin): Remove snippet about METIS.
(propagated-inputs): Replace 'opencascade-oce' by 'opencascade-occt'.
---
 gnu/packages/maths.scm | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index ce393cba80..853de2b098 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2156,7 +2156,7 @@ This is the certified version of the Open Cascade Technology (OCCT) library.")
 (define-public gmsh
   (package
     (name "gmsh")
-    (version "2.16.0")
+    (version "4.6.0")
     (source
      (origin
       (method git-fetch)
@@ -2168,13 +2168,8 @@ This is the certified version of the Open Cascade Technology (OCCT) library.")
                                         version)))))
       (file-name (git-file-name name version))
       (sha256
-       (base32 "08rq4jajwmlpivnm9yifz2jhaivnz065lnk0h2zv773nwl9wf162"))
-      (modules '((guix build utils)))
-      (snippet
-       ;; Remove non-free METIS code
-       '(begin
-          (delete-file-recursively "contrib/Metis")
-          #t))))
+       (base32 "0m0pjxcy1bnr7a20i11lh0ih159pphq9wsvfjr3sfx4y3lginz5y"))
+      (modules '((guix build utils)))))
     (build-system cmake-build-system)
     (propagated-inputs
      `(("fltk" ,fltk)
@@ -2184,15 +2179,14 @@ This is the certified version of the Open Cascade Technology (OCCT) library.")
        ("lapack" ,lapack)
        ("mesa" ,mesa)
        ("glu" ,glu)
-       ("opencascade-oce" ,opencascade-oce)
+       ("opencascade-occt" ,opencascade-occt)
        ("libx11" ,libx11)
        ("libxext" ,libxext)))
     (inputs
      `(("fontconfig" ,fontconfig)
        ("libxft" ,libxft)))
     (arguments
-     `(#:configure-flags `("-DENABLE_METIS:BOOL=OFF"
-                           "-DENABLE_BUILD_SHARED:BOOL=ON"
+     `(#:configure-flags `("-DENABLE_BUILD_SHARED:BOOL=ON"
                            "-DENABLE_BUILD_DYNAMIC:BOOL=ON")))
     (home-page "http://gmsh.info/")
     (synopsis "3D finite element grid generator")
-- 
2.28.0