Merge pull request #273 from krasznaa/MacOSLinkerUpdate-main-20240324

Xcode Link Option Update, main branch (2024.03.24.)
acts-project · Apr 11, 2024 · e7d51ed · e7d51ed
2 parents 5f2d20e + 00e77d8
commit e7d51ed
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/cmake/vecmem-compiler-options-cpp.cmake b/cmake/vecmem-compiler-options-cpp.cmake
@@ -43,7 +43,10 @@ endif()
 
 # Do not allow symbols to be missing from shared libraries.
 if( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang" )
-   vecmem_add_flag( CMAKE_SHARED_LINKER_FLAGS "-Wl,-undefined,error" )
+   # From AppleClang 15 onwards, the default is to fail on undefined symbols.
+   if( "${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS "15" )
+      vecmem_add_flag( CMAKE_SHARED_LINKER_FLAGS "-Wl,-undefined,error" )
+   endif()
 elseif( ( "${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU" ) OR
         ( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) )
    vecmem_add_flag( CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined" )