hep: Add photos.

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

1 files changed, 42 insertions, 0 deletions

diff --git a/guix-science/packages/hep.scm b/guix-science/packages/hep.scm
index 2f43922..1db0aea 100644
--- a/guix-science/packages/hep.scm
+++ b/guix-science/packages/hep.scm
@@ -520,6 +520,48 @@ and in addition provides the 2-, 3-, and 4-point tensor coefficient functions.")
      "Implementation of calculation of the hadron jet cross sections in C++.")
     (license license:gpl2)))
 
+(define-public photos
+  (package
+    (name "photos")
+    (version "3.64")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://photospp.web.cern.ch/photospp/resources"
+                           "/PHOTOS."
+                           version
+                           "/PHOTOS."
+                           version
+                           ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1vihbbfq575fv4f6592r2r130qm9g5pf7is916j4qr8g7kc4bicj"))))
+    (build-system gnu-build-system)
+    (arguments
+     (list
+      #:tests? #f ;requires mc-tester
+      #:configure-flags
+      #~(list "--with-hepmc" "--with-hepmc3")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'fix-makefile-definitions
+            (lambda _
+              (substitute* "platform/make.inc.in"
+                (("^LD.*=.*@")
+                 "LD = @CXX@"))))
+
+          (add-before 'bootstrap 'remove-configure-script
+            (lambda _
+              (delete-file "configure"))))))
+    (inputs (list hepmc2 hepmc3))
+    (native-inputs (list autoconf automake))
+    (home-page "https://photospp.web.cern.ch/photospp/")
+    (synopsis "PHOTOS Monte Carlo for precision simulation of QED in decays")
+    (description
+     "The PHOTOS Monte Carlo is used for the generation of bremsstrahlung in the
+decay of particles and resonances.")
+    (license license:gpl3)))
+
 (define-public python-hepstats
   (package
     (name "python-hepstats")