WARN_CFLAGS = @WARN_CFLAGS@
XGETTEXT = @XGETTEXT@
YACC = `if [ -f ../bison/bison ] ; then echo ../bison/bison -y -L../bison/bison ; else echo @YACC@ ; fi`
-YFLAGS = @YFLAGS@
+
+# We have to set this, because autoconf 2.59 does not substitute YFLAGS.
+# Autoconf 2.61 does, so this can be removed when we upgrade.
+YFLAGS =
ac_ct_CC = @ac_ct_CC@
am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
am__fastdepCC_TRUE = @am__fastdepCC_TRUE@