CMakeLists.txt: only use libatomic when found

2018-10-20 21:36:51 +00:00 · 2018-10-20 21:36:51 +00:00 · 7d21c9b573
parent 5c85da5a73
commit 7d21c9b573
1 changed files with 3 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -937,7 +937,9 @@ if(ANDROID)
 endif()
 if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND ARCH_WIDTH EQUAL "32" AND NOT IOS AND NOT FREEBSD)
  find_library(ATOMIC atomic)
-  list(APPEND EXTRA_LIBRARIES ${ATOMIC})
+  if (ATOMIC_FOUND)
+    list(APPEND EXTRA_LIBRARIES ${ATOMIC})
+  endif()
 endif()

 find_path(ZMQ_INCLUDE_PATH zmq.hpp)