some flex version does not allow merged arguments
diff --git a/libasn1parser/Makefile.in b/libasn1parser/Makefile.in
index 99250ca..822a730 100644
--- a/libasn1parser/Makefile.in
+++ b/libasn1parser/Makefile.in
@@ -186,7 +186,7 @@
target_vendor = @target_vendor@
AM_CFLAGS = @ADD_CFLAGS@
AM_YFLAGS = -p asn1p_ -d
-AM_LFLAGS = -sp -Cem -Pasn1p_ -olex.yy.c
+AM_LFLAGS = -s -p -Cem -Pasn1p_ -olex.yy.c
noinst_LTLIBRARIES = libasn1parser.la
libasn1parser_la_LDFLAGS = -all-static
libasn1parser_la_SOURCES = \