diff -up qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/BUILD.gn.9~ qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/BUILD.gn
--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/BUILD.gn.9~	2020-11-07 02:22:36.000000000 +0100
+++ qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/BUILD.gn	2020-11-19 23:27:24.418635485 +0100
@@ -108,6 +108,9 @@ config("base_flags") {
       "-Wglobal-constructors",
     ]
   }
+  ldflags = [
+    "-lnspr4",
+  ]
 }
 
 config("base_implementation") {
@@ -713,8 +716,6 @@ jumbo_component("base") {
     "third_party/cityhash_v103/src/city_v103.h",
     "third_party/icu/icu_utf.cc",
     "third_party/icu/icu_utf.h",
-    "third_party/nspr/prtime.cc",
-    "third_party/nspr/prtime.h",
     "third_party/superfasthash/superfasthash.c",
     "thread_annotations.h",
     "threading/hang_watcher.cc",
diff -up qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/pr_time_unittest.cc.9~ qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/pr_time_unittest.cc
--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/pr_time_unittest.cc.9~	2020-11-07 02:22:36.000000000 +0100
+++ qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/pr_time_unittest.cc	2020-11-19 23:05:13.641887476 +0100
@@ -7,7 +7,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/stl_util.h"
-#include "base/third_party/nspr/prtime.h"
+#include <nspr4/prtime.h>
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
diff -up qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/time.cc.9~ qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/time.cc
--- qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/time.cc.9~	2020-11-07 02:22:36.000000000 +0100
+++ qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/base/time/time.cc	2020-11-19 23:05:13.641887476 +0100
@@ -14,7 +14,7 @@
 #include "base/optional.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
-#include "base/third_party/nspr/prtime.h"
+#include <nspr4/prtime.h>
 #include "base/time/time_override.h"
 #include "build/build_config.h"