Index: src/third_party/mozjs/extract/mozglue/misc/TimeStamp_posix.cpp
--- src/third_party/mozjs/extract/mozglue/misc/TimeStamp_posix.cpp.orig
+++ src/third_party/mozjs/extract/mozglue/misc/TimeStamp_posix.cpp
@@ -214,7 +214,7 @@ TimeStamp TimeStamp::Now(bool aHighResolution) {
   return TimeStamp(ClockTimeNs(CLOCK_MONOTONIC));
 }
 
-#if defined(XP_LINUX) || defined(ANDROID)
+#if (defined(XP_LINUX) || defined(ANDROID)) && ! defined(__OpenBSD__)
 
 // Calculates the amount of jiffies that have elapsed since boot and up to the
 // starttime value of a specific process as found in its /proc/*/stat file.
