Modified CMakeLists.txt files to apply -Wno-unused-function for GCC 6 and...

Modified CMakeLists.txt files to apply -Wno-unused-function for GCC 6 and above.  It was GCC 7 and above before.

scheduler/CMakeLists.txt

@@ -45,12 +45,12 @@ set_property(TARGET ctaschedulerunittests PROPERTY SOVERSION "${CTA_SOVERSION}")
 set_property(TARGET ctaschedulerunittests PROPERTY   VERSION "${CTA_LIBVERSION}")
 
 if(CMAKE_COMPILER_IS_GNUCC)
-  # Add -Wno-unused-function compiler flag if using gcc version 7 or greater
-  if (GCC_VERSION VERSION_EQUAL 7 OR GCC_VERSION VERSION_GREATER 7)
+  # Add -Wno-unused-function compiler flag if using gcc version 6 or greater
+  if (GCC_VERSION VERSION_EQUAL 6 OR GCC_VERSION VERSION_GREATER 6)
     set_property(SOURCE OStoreDB/OStoreDBTest.cpp APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-unused-function")
     set_property(SOURCE SchedulerDatabaseTest.cpp APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-unused-function")
     set_property(SOURCE SchedulerTest.cpp APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-unused-function")
-  endif (GCC_VERSION VERSION_EQUAL 7 OR GCC_VERSION VERSION_GREATER 7)
+  endif (GCC_VERSION VERSION_EQUAL 6 OR GCC_VERSION VERSION_GREATER 6)
 endif(CMAKE_COMPILER_IS_GNUCC)
 
 target_link_libraries (ctaschedulerunittests 

tapeserver/castor/tape/tapeserver/daemon/CMakeLists.txt

@@ -71,10 +71,10 @@ if(CMAKE_COMPILER_IS_GNUCC)
         PROPERTY COMPILE_FLAGS " -Wno-unused-local-typedefs")
     endforeach(CTATAPESERVERDAEMON_LIBRARY_SRC)
 
-    # Add -Wno-unused-function compiler flag if using gcc version 7 or greater
-    if (GCC_VERSION VERSION_EQUAL 7 OR GCC_VERSION VERSION_GREATER 7)
+    # Add -Wno-unused-function compiler flag if using gcc version 6 or greater
+    if (GCC_VERSION VERSION_EQUAL 6 OR GCC_VERSION VERSION_GREATER 6)
       set_property(SOURCE DataTransferSessionTest.cpp APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-unused-function")
-    endif (GCC_VERSION VERSION_EQUAL 7 OR GCC_VERSION VERSION_GREATER 7)
+    endif (GCC_VERSION VERSION_EQUAL 6 OR GCC_VERSION VERSION_GREATER 6)
   endif(GCC_VERSION_GE_4_8_0)
 endif(CMAKE_COMPILER_IS_GNUCC)
 
@@ -100,10 +100,10 @@ set_property(TARGET ctatapeserverdaemonunittests PROPERTY SOVERSION "${CTA_SOVER
 set_property(TARGET ctatapeserverdaemonunittests PROPERTY   VERSION "${CTA_LIBVERSION}")
 
 if(CMAKE_COMPILER_IS_GNUCC)
-  # Add -Wno-unused-function compiler flag if using gcc version 7 or greater
-  if (GCC_VERSION VERSION_EQUAL 7 OR GCC_VERSION VERSION_GREATER 7)
+  # Add -Wno-unused-function compiler flag if using gcc version 6 or greater
+  if (GCC_VERSION VERSION_EQUAL 6 OR GCC_VERSION VERSION_GREATER 6)
     set_property(SOURCE RecallReportPackerTest.cpp APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-unused-function")
-  endif (GCC_VERSION VERSION_EQUAL 7 OR GCC_VERSION VERSION_GREATER 7)
+  endif (GCC_VERSION VERSION_EQUAL 6 OR GCC_VERSION VERSION_GREATER 6)
 endif(CMAKE_COMPILER_IS_GNUCC)
 
 target_link_libraries(ctatapeserverdaemonunittests