# HG changeset patch
# Parent  869216461f5985d028e679b86e0afd1642dd2b82

diff --git a/js/src/wasm/WasmSignalHandlers.cpp b/js/src/wasm/WasmSignalHandlers.cpp
--- a/js/src/wasm/WasmSignalHandlers.cpp
+++ b/js/src/wasm/WasmSignalHandlers.cpp
@@ -243,17 +243,26 @@ using mozilla::DebugOnly;
 // If you run into compile problems on a tier-3 platform, you can disable the
 // emulation here.
 
 #if defined(__linux__) && defined(__arm__)
 #  define WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
 #endif
 
 #ifdef WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
-#  include <sys/user.h>
+struct user_vfp {
+  unsigned long long fpregs[32];
+  unsigned long fpscr;
+};
+
+struct user_vfp_exc {
+  unsigned long fpexc;
+  unsigned long fpinst;
+  unsigned long fpinst2;
+};
 #endif
 
 #if defined(ANDROID)
 // Not all versions of the Android NDK define ucontext_t or mcontext_t.
 // Detect this and provide custom but compatible definitions. Note that these
 // follow the GLibc naming convention to access register values from
 // mcontext_t.
 //