diff --git a/www/chromium/files/patch-third__party_nasm_BUILD.gn b/www/chromium/files/patch-third__party_nasm_BUILD.gn
new file mode 100644
index 000000000000..fbf6537090b2
--- /dev/null
+++ b/www/chromium/files/patch-third__party_nasm_BUILD.gn
@@ -0,0 +1,16 @@
+--- third_party/nasm/BUILD.gn	2022-02-21 07:21:41 UTC
++++ third_party/nasm/BUILD.gn	
+@@ -59,6 +59,13 @@ config("nasm_config") {
+ 
+   defines = [ "HAVE_CONFIG_H" ]
+ 
++  _string_h_lines =
++        read_file("/usr/include/string.h", "list lines")
++  _mempcpy = filter_include(_string_h_lines, [ "*\*mempcpy*" ])
++  if (_mempcpy != []) {
++    defines += [ "HAVE_MEMPCPY=1" ]
++  }
++
+   if (is_clang) {
+     cflags = [
+       # The inline functions in NASM's headers flag this.