diff --git a/React/Executors/RCTJSCWrapper.h b/React/Executors/RCTJSCWrapper.h
index 7ae6f0b2b..20560800e 100644
--- a/React/Executors/RCTJSCWrapper.h
+++ b/React/Executors/RCTJSCWrapper.h
@@ -49,3 +49,13 @@ typedef struct RCTJSCWrapper {
 
 RCT_EXTERN RCTJSCWrapper *RCTJSCWrapperCreate(BOOL useCustomJSC);
 RCT_EXTERN void RCTJSCWrapperRelease(RCTJSCWrapper *wrapper);
+
+/**
+ * Link time overridable initialization function to execute custom
+ * initialization code when loading custom JSC.
+ *
+ * By default it does nothing.
+ *
+ * @param handle to the dlopen'd JSC library.
+ */
+void __attribute__((visibility("hidden"))) RCTCustomJSCInit(void *handle);
diff --git a/React/Executors/RCTJSCWrapper.mm b/React/Executors/RCTJSCWrapper.mm
index 27c534843..ec023387a 100644
--- a/React/Executors/RCTJSCWrapper.mm
+++ b/React/Executors/RCTJSCWrapper.mm
@@ -16,11 +16,10 @@
 
 #include <dlfcn.h>
 
-#if HAS_FBGLOG
-#import <FBGLog/FBGLogSink.h>
 
-typedef void (*configureJSCLoggingForIOSFuncType)(int32_t, std::unique_ptr<google::LogSink>, void (*)());
-#endif
+void __attribute__((visibility("hidden"),weak)) RCTCustomJSCInit(void *handle) {
+  return;
+}
 
 static void *RCTCustomLibraryHandler(void)
 {
@@ -89,17 +88,10 @@ static void RCTSetUpCustomLibraryPointers(RCTJSCWrapper *wrapper)
   wrapper->JSValue = (__bridge Class)dlsym(libraryHandle, "OBJC_CLASS_$_JSValue");
   wrapper->configureJSContextForIOS = (configureJSContextForIOSFuncType)dlsym(libraryHandle, "configureJSContextForIOS");
 
-#if HAS_FBGLOG
   static dispatch_once_t once;
   dispatch_once(&once, ^{
-    void *handle = dlsym(libraryHandle, "configureJSCLoggingForIOS");
-
-    if (handle) {
-      configureJSCLoggingForIOSFuncType logConfigFunc = (configureJSCLoggingForIOSFuncType)handle;
-      logConfigFunc(google::GLOG_INFO, FBGLogSink(), FBGLogFailureFunction);
-    }
+    RCTCustomJSCInit(libraryHandle);
   });
-#endif
 }
 
 RCTJSCWrapper *RCTJSCWrapperCreate(BOOL useCustomJSC)