Enable CMake < 2.8.5 clients to report Git version

CMakeLists.txt

@@ -56,6 +56,17 @@ enable_language (CXX)
 set (${project}_MODULE_DIR "${PROJECT_SOURCE_DIR}/cmake/Modules")
 list (APPEND CMAKE_MODULE_PATH ${${project}_MODULE_DIR})
 
+# include special
+if (CMAKE_VERSION VERSION_LESS "2.8.5")
+	message (STATUS "Enabling compatibility modules for CMake 2.8.5")
+	list (APPEND CMAKE_MODULE_PATH "${${project}_MODULE_DIR}/compat-2.8.5")	
+endif (CMAKE_VERSION VERSION_LESS "2.8.5")	
+
+if (CMAKE_VERSION VERSION_LESS "2.8.7")
+	message (STATUS "Enabling compatibility modules for CMake 2.8.7")
+	list (APPEND CMAKE_MODULE_PATH "${${project}_MODULE_DIR}/compat-2.8.7")
+endif (CMAKE_VERSION VERSION_LESS "2.8.7")
+
 # print system information to better pinpoint issues from log alone
 include (UseSystemInfo)
 system_info ()
@@ -68,12 +79,6 @@ vcs_info ()
 include (UseCompVer)
 compiler_info ()
 
-# include special
-if (CMAKE_VERSION VERSION_LESS "2.8.7")
-	message (STATUS "Enabling backward compatibility modules for CMake ${CMAKE_VERSION}")
-	list (APPEND CMAKE_MODULE_PATH "${${project}_MODULE_DIR}/compat-2.8.7")
-endif (CMAKE_VERSION VERSION_LESS "2.8.7")
-
 # default settings: build static debug library
 include (OpmDefaults)
 opm_defaults (${project})

cmake/Modules/compat-2.8.5/FindGit.cmake

@@ -0,0 +1,47 @@
+# The module defines the following variables:
+#   GIT_EXECUTABLE - path to git command line client
+#   GIT_FOUND - true if the command line client was found
+# Example usage:
+#   find_package(Git)
+#   if(GIT_FOUND)
+#     message("git found: ${GIT_EXECUTABLE}")
+#   endif()
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# Look for 'git' or 'eg' (easy git)
+#
+set(git_names git eg)
+
+# Prefer .cmd variants on Windows unless running in a Makefile
+# in the MSYS shell.
+#
+if(WIN32)
+  if(NOT CMAKE_GENERATOR MATCHES "MSYS")
+    set(git_names git.cmd git eg.cmd eg)
+  endif()
+endif()
+
+find_program(GIT_EXECUTABLE
+  NAMES ${git_names}
+  PATH_SUFFIXES Git/cmd Git/bin
+  DOC "git command line client"
+  )
+mark_as_advanced(GIT_EXECUTABLE)
+
+# Handle the QUIETLY and REQUIRED arguments and set GIT_FOUND to TRUE if
+# all listed variables are TRUE
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Git DEFAULT_MSG GIT_EXECUTABLE)