Move git revision from CMake definition to cpp.in file to avoid rebuilding on commit/update

library/LibUtilities/BasicConst/GitRevision.cpp.in

+///////////////////////////////////////////////////////////////////////////////
+//
+// File NektarUnivConsts.hpp
+//
+// For more information, please see: http://www.nektar.info
+//
+// The MIT License
+//
+// Copyright (c) 2006 Scientific Computing and Imaging Institute,
+// University of Utah (USA) and Department of Aeronautics, Imperial
+// College London (UK).
+//
+// License for the specific language governing rights and limitations under
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+// Description: Universal constants in the Nektar Library
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef  GITREVISION_H
+#define  GITREVISION_H
+
+#include <LibUtilities/BasicConst/GitRevision.h>
+#include <string>
+
+const std::string kGitSha1   = "@GIT_SHA1@";
+const std::string kGitBranch = "@GIT_REFSPEC@";
+
+#endif

library/LibUtilities/BasicConst/GitRevision.h

+///////////////////////////////////////////////////////////////////////////////
+//
+// File NektarUnivConsts.hpp
+//
+// For more information, please see: http://www.nektar.info
+//
+// The MIT License
+//
+// Copyright (c) 2006 Scientific Computing and Imaging Institute,
+// University of Utah (USA) and Department of Aeronautics, Imperial
+// College London (UK).
+//
+// License for the specific language governing rights and limitations under
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+// Description: Universal constants in the Nektar Library
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef  GITREVISION_H
+#define  GITREVISION_H
+
+#include <string>
+
+extern const std::string kGitSha1;
+extern const std::string kGitBranch;
+
+#endif

library/LibUtilities/CMakeLists.txt

 
 SET(BasicConstHeaders
-	./BasicConst/NektarUnivConsts.hpp
-	./BasicConst/NektarUnivTypeDefs.hpp
+    ./BasicConst/NektarUnivConsts.hpp
+    ./BasicConst/NektarUnivTypeDefs.hpp
+    ./BasicConst/GitRevision.h
 )
 
 SET(BasicUtilsHeaders
@@ -42,7 +43,6 @@ SET(BasicUtilsSources
     ./BasicUtils/XmlUtil.cpp
 )
 
-
 SET(CommunicationHeaders
     ./Communication/Comm.h
     ./Communication/CommSerial.h
@@ -264,7 +264,7 @@ SET(ExpressionTemplates
 )
 
 SET(BaseHeaders
-	LibUtilitiesDeclspec.h
+    LibUtilitiesDeclspec.h
 )
 
 SOURCE_GROUP("Basic Const" FILES ${BasicConstHeaders})
@@ -278,7 +278,6 @@ SOURCE_GROUP("Linear Algebra Sources" FILES ${LinearAlgebraSources})
 SOURCE_GROUP("Memory Headers" FILES ${MemoryHeaders})
 SOURCE_GROUP("Memory Sources" FILES ${MemorySources})
 
-
 SOURCE_GROUP("Polylib Headers" FILES ${PolyLibHeaders})
 SOURCE_GROUP("Polylib Sources" FILES ${PolylibSources})
 
@@ -315,26 +314,28 @@ SET(LibUtilityHeaders
     ${BaseHeaders}
 )
 
+SET(GitRevisionFile "${CMAKE_CURRENT_BINARY_DIR}/GitRevision.cpp")
+CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/BasicConst/GitRevision.cpp.in
+               ${GitRevisionFile})
+
 SET(LibUtilitySources
     ${BasicUtilsSources}
     ${FoundationSources}
     ${PolylibSources}
     ${CommunicationSources}
-	${LinearAlgebraSources}
-	${InterpreterSources}
-	${KernelSources}
+    ${LinearAlgebraSources}
+    ${InterpreterSources}
+    ${KernelSources}
     ${TimeIntegrationSources}
-  	${FFTSources}
+    ${FFTSources}
     ${MemorySources}
+    ${GitRevisionFile}
 )
 
 # Define the git branch and SHA1 hash if we are in a git repository
 # Only apply to FieldIO.cpp to minimise rebuilding on git commit/update.
-IF (NOT ${GIT_REFSPEC} STREQUAL "GITDIR-NOTFOUND")
-    SET_PROPERTY(SOURCE ${CMAKE_CURRENT_SOURCE_DIR}/BasicUtils/FieldIO.cpp
-                 APPEND PROPERTY COMPILE_DEFINITIONS
-                 GIT_SHA1=\"${GIT_SHA1}\" GIT_BRANCH=\"${GIT_REFSPEC}\")
-ENDIF ()
+#IF (NOT ${GIT_REFSPEC} STREQUAL "GITDIR-NOTFOUND")
+#ENDIF ()
 
 ADD_DEFINITIONS(-DLIB_UTILITIES_EXPORTS)
 ADD_NEKTAR_LIBRARY(LibUtilities lib ${NEKTAR_LIBRARY_TYPE} ${LibUtilitySources} ${LibUtilityHeaders})