--- v8/BUILD.gn.orig	2020-03-03 18:55:34 UTC
+++ v8/BUILD.gn
@@ -3561,7 +3561,7 @@ v8_component("v8_libbase") {
     }
   }
 
-  if (is_linux) {
+  if (is_linux && !is_bsd) {
     sources += [
       "src/base/debug/stack_trace_posix.cc",
       "src/base/platform/platform-linux.cc",
@@ -3581,6 +3581,12 @@ v8_component("v8_libbase") {
       "dl",
       "rt",
     ]
+  } else if (is_bsd) {
+    sources += [
+      "src/base/debug/stack_trace_posix.cc",
+      "src/base/platform/platform-freebsd.cc",
+    ]
+    libs = [ "rt", "execinfo" ]
   } else if (is_android) {
     if (current_toolchain == host_toolchain) {
       libs = [
@@ -3840,6 +3846,7 @@ if (current_toolchain == v8_snapshot_toolchain) {
       "src/snapshot/mksnapshot.cc",
       "src/snapshot/snapshot-empty.cc",
     ]
+    libs = ["execinfo"]
 
     configs = [ ":internal_config" ]