Fix the clang build for clang 14 (#3927)

* Fix the clang build for clang 14. clang 14 does not understand -Wno-deprecated-builtins, which causes problems trying to compile Fast-DDS on Ubuntu 22.04 Signed-off-by: Chris Lalancette <[email protected]> * Only add the flag for Clang 15 and newer. Signed-off-by: Chris Lalancette <[email protected]> --------- Signed-off-by: Chris Lalancette <[email protected]> (cherry picked from commit 38820e9) Co-authored-by: Chris Lalancette <[email protected]>
eProsima · Oct 17, 2023 · bbf0e47 · bbf0e47
1 parent f631faa
commit bbf0e47
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -74,7 +74,9 @@ else()
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-psabi")
         set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
     elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-builtins")
+        if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 15,0)
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-builtins")
+        endif()
         set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl")
     endif()