diff --git a/lib/mac/mac_util.h b/lib/mac/mac_util.h
index 658fb67f4c..45406c4477 100644
--- a/lib/mac/mac_util.h
+++ b/lib/mac/mac_util.h
@@ -22,10 +22,34 @@
 
 #include <Carbon/Carbon.h>
 
-    double              getTimeSinceBoot(void);
-    void                getPathToThisApp(char* pathBuf, size_t bufSize);
-    void                BringAppToFront();
-    void                BringAppWithPidToFront(pid_t pid);
-    pid_t               getPidIfRunning(char * bundleID);
+    double  getTimeSinceBoot(void);
+    void    getPathToThisApp(char* pathBuf, size_t bufSize);
+    void    BringAppToFront();
+    void    BringAppWithPidToFront(pid_t pid);
+    pid_t   getPidIfRunning(char * bundleID);
+
+    OSStatus    GetPathToAppFromID(OSType creator, CFStringRef bundleID, char *path, size_t maxLen);
+
+// Macros to test OS version number on all versions of OS X without using deprecated Gestalt
+// compareOSVersionTo(x, y) returns:
+// -1 if the OS version we are running on is less than 10.x.y
+//  0 if the OS version we are running on is equal to 10.x.y
+// +1 if the OS version we are running on is lgreater than 10.x.y
+//
+#define MAKECFVERSIONNUMBER(x, y) floor(kCFCoreFoundationVersionNumber##x##_##y)
+#define compareOSVersionTo(toMajor, toMinor) \
+(floor(kCFCoreFoundationVersionNumber) > MAKECFVERSIONNUMBER(toMajor, toMinor) ? 1 : \
+(floor(kCFCoreFoundationVersionNumber) < MAKECFVERSIONNUMBER(toMajor, toMinor) ? -1 : 0))
+
+// Allow this to be built using Xcode 5.0.2
+#ifndef kCFCoreFoundationVersionNumber10_9
+#define kCFCoreFoundationVersionNumber10_9      855.11
+#endif
+#ifndef kCFCoreFoundationVersionNumber10_10
+#define kCFCoreFoundationVersionNumber10_10     1151.16
+#endif
+#ifndef kCFCoreFoundationVersionNumber10_11
+#define kCFCoreFoundationVersionNumber10_11     1253
+#endif
 
 #endif      // _MAC_UTIL_H_
diff --git a/lib/mac/mac_util.mm b/lib/mac/mac_util.mm
index 72da31a1a7..ba6f79b89a 100644
--- a/lib/mac/mac_util.mm
+++ b/lib/mac/mac_util.mm
@@ -19,8 +19,9 @@
 
 #include "mac_util.h"
 #import <Cocoa/Cocoa.h>
-
-
+#define DLOPEN_NO_WARN
+#include <mach-o/dyld.h>
+#include <dlfcn.h>
 
 
 // Returns time in seconds since system was booted
@@ -56,3 +57,64 @@ pid_t getPidIfRunning(char * bundleID) {
     }
     return 0;
 }
+
+
+// Find the path to the app with the bundle identifier and (optionally) creator code.
+// The creator code can be NULL.
+OSStatus GetPathToAppFromID(OSType creator, CFStringRef bundleID, char *path, size_t maxLen) {
+    CFURLRef                appURL = NULL;
+    OSErr                   err;
+
+    // We must launch the System Events application for the target user
+    err = noErr;
+    *path = '\0';
+
+    // LSCopyApplicationURLsForBundleIdentifier is not available before OS 10.10
+    CFArrayRef (*LSCopyAppURLsForBundleID)(CFStringRef, CFErrorRef) = NULL;
+    void *LSlib = dlopen("/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/LaunchServices", RTLD_NOW);
+    if (LSlib) {
+        LSCopyAppURLsForBundleID = (CFArrayRef(*)(CFStringRef, CFErrorRef)) dlsym(LSlib, "LSCopyApplicationURLsForBundleIdentifier");
+    }
+    if (LSCopyAppURLsForBundleID == NULL) {
+        err = fnfErr;
+    }
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED < 101000
+    if (err != noErr) {     // LSCopyAppURLsForBundleID == NULL
+//LSFindApplicationForInfo is deprecated in OS 10.10, so may not be available in the future
+    OSStatus (*LSFindAppForInfo)(OSType, CFStringRef, CFStringRef, FSRef*, CFURLRef*) = NULL;
+    if (LSlib) {
+        LSFindAppForInfo = (OSStatus(*)(OSType, CFStringRef, CFStringRef, FSRef*, CFURLRef*))
+                    dlsym(LSlib, "LSFindApplicationForInfo");
+    }
+    if (LSFindAppForInfo == NULL) {
+        return fnfErr;
+    }
+    err = (*LSFindAppForInfo)(creator, bundleID, NULL, NULL, &appURL);
+    } else  // if (LSCopyApplicationURLsForBundleIdentifier != NULL)
+#endif
+    {
+        if (err == noErr) {
+            CFArrayRef appRefs = (*LSCopyAppURLsForBundleID)(bundleID, NULL);
+            if (appRefs == NULL) {
+                err = fnfErr;
+            } else {
+                appURL = (CFURLRef)CFArrayGetValueAtIndex(appRefs, 0);
+                CFRelease(appRefs);
+            }
+        }
+        if (err != noErr) {
+            return err;
+        }
+    }   // end if (LSCopyApplicationURLsForBundleIdentifier != NULL)
+
+    if (err == noErr) {
+        CFStringRef CFPath = CFURLCopyFileSystemPath(appURL, kCFURLPOSIXPathStyle);
+        CFStringGetCString(CFPath, path, maxLen, kCFStringEncodingUTF8);
+        CFRelease(CFPath);
+    }
+    if (appURL) {
+        CFRelease(appURL);
+    }
+    return err;
+}