* config.bat: Add filenames that are not 8.3 clean and that must

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index c23a9e666ea3a6de6bfadc29f62c50413cc3f4a7..49588fe1d1d6b561af25a4ac117081808df056fe 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -20,9 +20,6 @@
 
 m4_include(b4_pkgdatadir/[c.m4])
 
-b4_push_if([
-b4_complain([[non-deterministic push parsers are not yet supported]])])
-
 ## ---------------- ##
 ## Default values.  ##
 ## ---------------- ##
@@ -37,6 +34,13 @@ m4_define_default([b4_stack_depth_init],  [200])
 ## Pure/impure interfaces.  ##
 ## ------------------------ ##
 
+b4_define_flag_if([pure])
+# If glr.cc is including this file and thus has already set b4_pure_flag, don't
+# change the value of b4_pure_flag, and don't record a use of api.pure.
+m4_ifndef([b4_pure_flag],
+[b4_percent_define_default([[api.pure]], [[false]])
+ m4_define([b4_pure_flag],
+           [b4_percent_define_flag_if([[api.pure]], [[1]], [[0]])])])
 
 # b4_user_formals
 # ---------------