cmake: libatomic only needed for 32-bit Clang builds

8 years ago · 35dc40af42
parent 042db0bd0f
commit 35dc40af42
1 changed files with 3 additions and 5 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -470,11 +470,9 @@ endif()

 list(APPEND EXTRA_LIBRARIES ${CMAKE_DL_LIBS})

-if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
-  if(NOT MINGW AND NOT APPLE)
-    find_library(ATOMIC atomic)
-    list(APPEND EXTRA_LIBRARIES ${ATOMIC})
-  endif()
+if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND ARCH_WIDTH EQUAL "32")
+  find_library(ATOMIC atomic)
+  list(APPEND EXTRA_LIBRARIES ${ATOMIC})
 endif()

 include(version.cmake)