--- curl-7.81.0/include/curl/curl.h.orig	2022-01-08 01:48:40.381648337 +0000
+++ curl-7.81.0/include/curl/curl.h	2022-01-08 01:48:54.585501759 +0000
@@ -71,7 +71,7 @@
 #if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
     defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
     defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
-    defined(__CYGWIN__) || defined(AMIGA) || defined(__NuttX__) || \
+    defined(__CYGWIN__) || defined(AMIGA) || defined(__NuttX__) || defined(__serenity__) || \
    (defined(__FreeBSD_version) && (__FreeBSD_version < 800000)) || \
    (defined(__MidnightBSD_version) && (__MidnightBSD_version < 100000)) || \
     defined(__VXWORKS__)