diff -Naur libgpg-error-1.42/src/syscfg/lock-obj-pub.i686-pc-serenity.h libgpg-error-1.42.serenity/src/syscfg/lock-obj-pub.i686-pc-serenity.h
--- libgpg-error-1.42/src/syscfg/lock-obj-pub.i686-pc-serenity.h	1970-01-01 01:00:00.000000000 +0100
+++ libgpg-error-1.42.serenity/src/syscfg/lock-obj-pub.i686-pc-serenity.h	2021-04-14 01:24:29.444700685 +0200
@@ -0,0 +1,17 @@
+## lock-obj-pub.i686-pc-serenity.h - NO LOCK SUPPORT
+## File created by gen-posix-lock-obj - DO NOT EDIT
+## To be included by mkheader into gpg-error.h
+
+/* Dummy object - no locking available.  */
+typedef struct
+{
+  long _vers;
+} gpgrt_lock_t;
+
+#define GPGRT_LOCK_INITIALIZER {-1}
+##
+## Local Variables:
+## mode: c
+## buffer-read-only: t
+## End:
+##