diff -Naur node-v12.3.1/deps/v8/src/objects/bigint.cc node-v12.3.1+iPhone/deps/v8/src/objects/bigint.cc
--- node-v12.3.1/deps/v8/src/objects/bigint.cc	2019-05-22 05:21:53.000000000 -0700
+++ node-v12.3.1+iPhone/deps/v8/src/objects/bigint.cc	2019-09-16 08:29:40.000000000 -0700
@@ -819,7 +819,7 @@
     STATIC_ASSERT(sizeof(digit_t) >= sizeof(value));
     return (x->length() == 1) && (x->sign() == (value < 0)) &&
            (x->digit(0) ==
-            static_cast<digit_t>(std::abs(static_cast<int64_t>(value))));
+            static_cast<digit_t>(std::fabs(static_cast<int64_t>(value))));
   }
   DCHECK(y->IsHeapNumber());
   double value = Handle<HeapNumber>::cast(y)->value();
@@ -843,7 +843,7 @@
     STATIC_ASSERT(sizeof(digit_t) >= sizeof(y_value));
     if (x->length() > 1) return AbsoluteGreater(x_sign);
 
-    digit_t abs_value = std::abs(static_cast<int64_t>(y_value));
+    digit_t abs_value = std::fabs(static_cast<int64_t>(y_value));
     digit_t x_digit = x->digit(0);
     if (x_digit > abs_value) return AbsoluteGreater(x_sign);
     if (x_digit < abs_value) return AbsoluteLess(x_sign);
diff -Naur node-v12.3.1/log node-v12.3.1+iPhone/log
--- node-v12.3.1/log	1969-12-31 16:00:00.000000000 -0800
+++ node-v12.3.1+iPhone/log	2019-09-16 08:29:56.000000000 -0700
@@ -0,0 +1 @@
+zsh: no such file or directory: ../../make.sh