--- js/src/jit/arm/Architecture-arm.cpp~
+++ js/src/jit/arm/Architecture-arm.cpp
@@ -17,7 +17,7 @@
 
 #define HWCAP_USE_HARDFP_ABI (1 << 28)
 
-#if !(defined(ANDROID) || defined(MOZ_B2G)) && !defined(JS_ARM_SIMULATOR)
+#if defined(__linux__) && !defined(ANDROID) && !defined(MOZ_B2G) && !defined(JS_ARM_SIMULATOR)
 #define HWCAP_ARMv7 (1 << 29)
 #include <asm/hwcap.h>
 #else