Sjoerd Mullender writes:
The example Makefile.pre.in should also look at Setup.thread and
Setup.local. Otherwise modules such as thread don't get incorporated
in extensions.
diff --git a/Misc/Makefile.pre.in b/Misc/Makefile.pre.in
index 490c9d1..6d9190d 100644
--- a/Misc/Makefile.pre.in
+++ b/Misc/Makefile.pre.in
@@ -168,7 +168,7 @@
MAKEFILE= $(LIBPL)/Makefile
CONFIGC= $(LIBPL)/config.c
CONFIGCIN= $(LIBPL)/config.c.in
-SETUP= $(LIBPL)/Setup
+SETUP= $(LIBPL)/Setup.thread $(LIBPL)/Setup.local $(LIBPL)/Setup
SYSLIBS= $(LIBM) $(LIBC)