X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/10232af80816ac644f8b9d6659bf113026672f53..a0cd287e64e2d53bc5896e0a7c5ad072cb8bf469:/configure.ac

diff --git a/configure.ac b/configure.ac
index 704f5aaa..3c3fa421 100644
--- a/configure.ac
+++ b/configure.ac
@@ -114,9 +114,7 @@ AC_SUBST([YACC_LIBRARY])
 
 # Checks for programs.
 AC_PROG_LEX
-if test "$FLEX" != yes; then
-  AC_MSG_ERROR([Flex is required])
-fi
+$LEX_IS_FLEX || AC_MSG_ERROR([Flex is required])
 AC_PROG_YACC
 AC_PROG_RANLIB
 AC_PROG_GNU_M4