1--- src/3rdparty/chromium/third_party/nasm/BUILD.gn.orig	2025-08-15 18:30:00 UTC
2+++ src/3rdparty/chromium/third_party/nasm/BUILD.gn
3@@ -63,6 +63,13 @@ config("nasm_config") {
4
5   defines = [ "HAVE_CONFIG_H" ]
6
7+  _string_h_lines =
8+        read_file("/usr/include/string.h", "list lines")
9+  _mempcpy = filter_include(_string_h_lines, [ "*mempcpy*" ])
10+  if (_mempcpy != []) {
11+    defines += [ "HAVE_MEMPCPY=1" ]
12+  }
13+
14   if (is_clang) {
15     cflags = [
16       # The inline functions in NASM's headers flag this.
17