hep: Add fastjet.

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

1 files changed, 60 insertions, 0 deletions

diff --git a/guix-science/packages/hep.scm b/guix-science/packages/hep.scm
index bb9117f..5edade4 100644
--- a/guix-science/packages/hep.scm
+++ b/guix-science/packages/hep.scm
@@ -22,9 +22,11 @@
   #:use-module (gnu packages python-xyz)
   #:use-module (gnu packages serialization)
   #:use-module (gnu packages statistics)
+  #:use-module (gnu packages swig)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system pyproject)
+  #:use-module (guix download)
   #:use-module (guix gexp)
   #:use-module (guix git)
   #:use-module (guix git-download)
@@ -77,6 +79,64 @@ package.")
 
 (define-public clhep clhep-2.4.7.2)
 
+(define-public fastjet
+  (package
+    (name "fastjet")
+    (version "3.5.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://gitlab.com/fastjet/fastjet.git")
+             (commit (string-append "fastjet-" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1zsil6bs5ly3dm8b4mipj6gblbiddkd4q8z5rml777di2kwkz4wi"))))
+    (build-system gnu-build-system)
+    (arguments
+     (list
+      #:configure-flags
+      #~(list "--enable-allcxxplugins" "--enable-pyext" "--enable-swig")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'use-system-siscone
+            (lambda _
+              (substitute* "example/Makefile.am"
+                (("03_plugin_LDADD \\+=.*SISCone.*")
+                 (string-append "03_plugin_LDADD+="
+                                "../plugins/SISCone/libSISConePlugin.la" "\n"))
+                (("fastjet_areas_LDADD \\+=.*SISCone.*")
+                 (string-append "fastjet_areas_LDADD+="
+                                "../plugins/SISCone/libSISConePlugin.la" "\n"))
+                (("fastjet_timing_plugins_LDADD \\+=.*SISCone.*")
+                 (string-append "fastjet_timing_plugins_LDADD+="
+                                "../plugins/SISCone/libSISConePlugin.la" "\n")))
+              (substitute* "plugins/SISCone/Makefile.am"
+                (("SUBDIRS =.*")
+                 "SUBDIRS = fastjet .\n")
+                (("libSISConePlugin_la_CXXFLAGS =.*")
+                 (string-append "libSISConePlugin_la_CXXFLAGS="
+                                "$(AM_CXXFLAGS) -I$(srcdir) "
+                                "-I$(srcdir)/../../include" "\n"))
+                (("libSISConePlugin_la_LIBADD =.*")
+                 (string-append "libSISConePlugin_la_LIBADD="
+                                "-lsiscone -lsiscone_spherical" "\n"))))))))
+    (propagated-inputs (list siscone))
+    (native-inputs (list autoconf
+                         automake
+                         libtool
+                         python
+                         swig))
+    (home-page "https://fastjet.fr/")
+    (synopsis "Software package for jet finding in collisions")
+    (description
+     "The FastJet package provides a fast implementation of several
+longitudinally invariant sequential recombination jet algorithms, in particular
+the longitudinally invariant k_t jet algorithm, the inclusive longitudinally
+invariant version of the Cambridge/Aachen jet-algorithm, and the inclusive
+anti-k_t algorithm.")
+    (license license:gpl2+)))
+
 (define-public hepmc3
   (package
     (name "hepmc3")