Merge topic 'findtbb-gcc48' into release

265447cb

 FindTBB: add support for gcc4.8 ABI detection
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !6763

CMake/FindTBB.cmake

@@ -277,6 +277,9 @@ endif ()
 # check compiler ABI
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   set(COMPILER_PREFIX)
+  if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
+    list(APPEND COMPILER_PREFIX "gcc4.8")
+  endif()
   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
     list(APPEND COMPILER_PREFIX "gcc4.7")
   endif()
@@ -286,6 +289,9 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   list(APPEND COMPILER_PREFIX "gcc4.1")
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   set(COMPILER_PREFIX)
+  if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0) # Complete guess
+    list(APPEND COMPILER_PREFIX "gcc4.8")
+  endif()
   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.6)
     list(APPEND COMPILER_PREFIX "gcc4.7")
   endif()