--- src/third_party/mozjs-60/platform/aarch64/freebsd/build/Unified_cpp_js_src15.cpp.orig	2019-11-14 10:50:10 UTC
+++ src/third_party/mozjs-60/platform/aarch64/freebsd/build/Unified_cpp_js_src15.cpp
@@ -0,0 +1,55 @@
+#define MOZ_UNIFIED_BUILD
+#include "jit/FoldLinearArithConstants.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/FoldLinearArithConstants.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/FoldLinearArithConstants.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/InstructionReordering.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/InstructionReordering.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/InstructionReordering.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/Ion.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/Ion.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/Ion.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/IonAnalysis.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/IonAnalysis.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/IonAnalysis.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/IonBuilder.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/IonBuilder.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/IonBuilder.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/IonCacheIRCompiler.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/IonCacheIRCompiler.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/IonCacheIRCompiler.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
\ No newline at end of file
