added file FindGeneva.cmake

CMakeModules/FindGeneva.cmake

+# If Minuit2_ROOT was defined in the environment, use it.
+if(NOT GENEVA_ROOT AND NOT $ENV{GENEVA_ROOT} STREQUAL "")
+    set(GENEVA_ROOT $ENV{GENEVA_ROOT})
+endif()
+
+if(GENEVA_ROOT)
+    set(_GENEVA_INCLUDE_SEARCH_DIRS
+        ${GENEVA_INCLUDEDIR}
+        ${GENEVA_ROOT}/include
+        ${GENEVA_ROOT}/inc
+        ${GENEVA_ROOT})
+    set(_GENEVA_LIBRARIES_SEARCH_DIRS
+        ${GENEVA_LIBRARYDIR}
+        ${GENEVA_ROOT}/lib
+        ${GENEVA_ROOT}/src/.libs
+        ${GENEVA_ROOT})
+endif()
+
+find_path(GENEVA_INCLUDE_DIRS GBoolean.hpp
+    HINTS ${_GENEVA_INCLUDE_SEARCH_DIRS})
+
+set(GENEVA_LIBRARIES geneva-opt libgeneva-extcomm)
+find_library(GENEVA_LIBRARY ${GENEVA_LIBRARIES}
+    HINTS ${_GENEVA_LIBRARIES_SEARCH_DIRS})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GENEVA DEFAULT_MSG
+    GENEVA_INCLUDE_DIRS GENEVA_LIBRARY)
+
+# If Minuit2 is built with GCC and OpenMP enabled, it contains
+# undefined references to some omp_* and GOMP_* symbols. 3rd-party
+# programs therefore need to link to gomp on their own.
+#if(UNIX)
+#     execute_process(COMMAND ldd -r ${Minuit2_LIBRARY}
+#         ERROR_VARIABLE Minuit2_LDD_ERROR OUTPUT_QUIET)
+#     if (Minuit2_LDD_ERROR MATCHES "undefined.*GOMP")
+#         set(Minuit2_LIBRARIES ${Minuit2_LIBRARIES} gomp)
+#     endif()
+#endif()
+
+get_filename_component(GENEVA_LIBRARY_DIRS ${GENEVA_LIBRARY} PATH)
+
+mark_as_advanced(
+    GENEVA_INCLUDE_DIRS
+    GENEVA_LIBRARY_DIRS
+    GENEVA_LIBRARIES)
+