build: avoid concurrent extraction of calc++.

[bison.git] / src / parse-gram.y

diff --git a/src/parse-gram.y b/src/parse-gram.y
index 0fbb8cbd2eaf281bb4f7f7e5964f91e1af42292d..a10c32edc9bf31e025a2fd44f023c89eaa4ba0b6 100644 (file)
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -78,7 +78,7 @@ static int current_prec = 0;
 %defines
 %locations
 %pure-parser
-%error-verbose
+%define parse.error "verbose"
 %name-prefix="gram_"
 %expect 0
 
@@ -134,6 +134,7 @@ static int current_prec = 0;
   PERCENT_DEFAULT_PREC    "%default-prec"
   PERCENT_DEFINE          "%define"
   PERCENT_DEFINES         "%defines"
+  PERCENT_ERROR_VERBOSE   "%error-verbose"
   PERCENT_EXPECT          "%expect"
   PERCENT_EXPECT_RR      "%expect-rr"
   PERCENT_FLAG            "%<flag>"
@@ -243,6 +244,11 @@ prologue_declaration:
       defines_flag = true;
       spec_defines_file = xstrdup ($2);
     }
+| "%error-verbose"
+    {
+      muscle_percent_define_insert ("parse.error", @1, "verbose",
+                                    MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
+    }
 | "%expect" INT                    { expected_sr_conflicts = $2; }
 | "%expect-rr" INT                { expected_rr_conflicts = $2; }
 | "%file-prefix" STRING            { spec_file_prefix = $2; }