diff -uNr libowfat-0.32/GNUmakefile libowfat-0.32.mod/GNUmakefile
--- libowfat-0.32/GNUmakefile	2018-08-24 15:00:46.000000000 +0300
+++ libowfat-0.32.mod/GNUmakefile	2020-01-01 23:34:46.416487188 +0200
@@ -21,7 +21,7 @@
 CROSS=
 #CROSS=i686-mingw-
 CC?=gcc
-CCC=$(CROSS)$(CC)
+CCC=$(CROSS)clang
 WERROR=
 WARN=-W -Wall -Wextra $(WERROR)
 
@@ -192,7 +192,7 @@
   havesigio.h CAS.h
 
 t: t.o libowfat.a libsocket
-	$(DIET) $(CCC) -g -o $@ t.o libowfat.a `cat libsocket` -lpthread
+	$(DIET) $(CCC) -g -o $@ t.o libowfat.a `cat libsocket`
 
 .PHONY: all clean tar install rename
 clean: