diff --git a/lib/Makefile.am b/lib/Makefile.am
index b28a120..67bdd85 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -3,17 +3,18 @@ lib_LTLIBRARIES = libcomedi.la
 
 noinst_HEADERS = calib_yacc.h comedi_errno.h libinternal.h
 
-BUILT_SOURCES = calib_lex.c calib_yacc.c calib_yacc.h
-CLEANFILES = calib_lex.c calib_yacc.c calib_yacc.h grammar.output
+CLEANFILES = grammar.output
 
 EXTRA_DIST = calib_lex.l calib_yacc.y version_script
 
-nodist_libcomedi_la_SOURCES = calib_lex.c calib_yacc.c
+BUILT_SOURCES = calib_lex.c calib_yacc.c
+
 libcomedi_la_SOURCES = \
 	buffer.c calib.c cmd.c comedi.c data.c dio.c error.c \
-	filler.c get.c ioctl.c range.c sv.c timed.c timer.c
+	filler.c get.c ioctl.c range.c sv.c timed.c timer.c \
+	calib_lex.c calib_yacc.c
 
-libcomedi_la_CFLAGS = $(COMEDILIB_CFLAGS) -D_REENTRANT
+libcomedi_la_CFLAGS = $(COMEDILIB_CFLAGS) -D_REENTRANT -DLOCALSTATEDIR=\"\$(localstatedir)\"
 libcomedi_la_LDFLAGS = -Wl,--version-script=$(srcdir)/version_script
 
 calib_yacc.c: $(srcdir)/calib_yacc.y