--- Source/WTF/wtf/CMakeLists.txt.orig 2018-02-19 02:36:10.000000000 -0700 +++ Source/WTF/wtf/CMakeLists.txt 2018-03-24 21:42:12.759186320 -0600 @@ -315,7 +315,6 @@ set(WTF_SOURCES Assertions.cpp - Atomics.cpp AutomaticThread.cpp BitVector.cpp CPUTime.cpp --- Source/JavaScriptCore/CMakeLists.txt.orig 2018-03-24 21:36:40.067891066 -0600 +++ Source/JavaScriptCore/CMakeLists.txt 2018-03-24 21:38:06.715707122 -0600 @@ -120,7 +120,7 @@ # __atomic_fetch_add_8 is not available as a compiler intrinsic. It is # available on other platforms (including 32-bit Arm), so the link with # libatomic is only neede on MIPS. -if (WTF_CPU_MIPS) +if (WTF_CPU_MIPS OR WTF_CPU_ARM) list(APPEND JavaScriptCore_LIBRARIES -latomic )