hep: Add hepmc2.

* guix-science/packages/hep.scm (hepmc2): New variable.

1 files changed, 25 insertions, 0 deletions

diff --git a/guix-science/packages/hep.scm b/guix-science/packages/hep.scm
index c071d93..a19ce2b 100644
--- a/guix-science/packages/hep.scm
+++ b/guix-science/packages/hep.scm
@@ -257,6 +257,31 @@ anti-k_t algorithm.")
      "This package provides a library of 3rd-party add-ons to FastJet.")
     (license license:gpl2)))
 
+(define-public hepmc2
+  (package
+    (name "hepmc2")
+    (version "2.06.11")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://gitlab.cern.ch/hepmc/HepMC.git")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1kh25nxi1mp83cz0hdvm50n4844yv5vhgi9pwn5nww0axlrz9ziq"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:configure-flags
+      #~(list "-Dmomentum:STRING=GEV" "-Dlength:STRING=MM")))
+    (home-page "https://hepmc.web.cern.ch/hepmc/")
+    (synopsis "Event record library for High Energy Physics")
+    (description
+     "The HepMC package is an object oriented C++ event record for High Energy
+Physics Monte Carlo generators and simulation.")
+    (license license:lgpl2.1+)))
+
 (define-public hepmc3
   (package
     (name "hepmc3")