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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index c750a385..aac25a12 100644
--- a/configure.ac
+++ b/configure.ac
@@ -93,7 +93,7 @@ AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CXX
AC_PROG_CPP
-AC_PROG_LEX(yywrap)
+AC_PROG_LEX([yywrap])
AC_PROG_YACC
AS_IF([test -z "$CC" -o -z "$CXX"],
[AC_MSG_ERROR([no suitable compiler found])])