remove unnecessary intermediate build artifact

diff --git a/lib/cgraph/Makefile.am b/lib/cgraph/Makefile.am
index 9585194cfb0f90b022ba4e05aff1004a1e5e6f61..475dd516e7ad703f6f5f8292f7f53630a994bb09 100644 (file)
--- a/lib/cgraph/Makefile.am
+++ b/lib/cgraph/Makefile.am
@@ -29,9 +29,7 @@ libcgraph_la_LIBADD = $(top_builddir)/lib/cdt/libcdt.la
 scan.o scan.lo: scan.c grammar.h
 
 scan.c: $(top_srcdir)/lib/cgraph/scan.l
-       @LEX@ -i $(top_srcdir)/lib/cgraph/scan.l
-       cp -f lex.aag.c scan.c
-       rm lex.aag.c
+       @LEX@ --outfile=$@ -i $(top_srcdir)/lib/cgraph/scan.l
 
 grammar.c: y.tab.c
        @SED@ "s/yy/aag/g" < y.tab.c > grammar.c