FYI: %require exits 63

[Akim Demaille]

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * src/parse-gram.y (version_check): Exit 63 to please missing
        (stands for "version mismatch).
        * tests/input.at, doc/bison.texinfo: Adjust.

Index: doc/bison.texinfo
===================================================================
RCS file: /cvsroot/bison/bison/doc/bison.texinfo,v
retrieving revision 1.163
diff -u -u -r1.163 bison.texinfo
--- doc/bison.texinfo 2 Oct 2005 18:49:15 -0000 1.163
+++ doc/bison.texinfo 12 Oct 2005 10:11:47 -0000
@@ -3569,7 +3569,8 @@
 @findex %require
 
 You may require the minimum version of Bison to process the grammar.  If
-the requirement is not met, @command{bison} exits with an error.
+the requirement is not met, @command{bison} exits with an error (exit
+status 63).
 
 @example
 %require "@var{version}"
@@ -4173,9 +4174,8 @@
 @end deffn
 
 @deffn {Directive} %require "@var{version}"
-Specify that version @var{version} or higher of Bison required for the
-grammar.
address@hidden Decl, , Require a Version of Bison}.
+Require version @var{version} or higher of Bison.  @xref{Require Decl, ,
+Require a Version of Bison}.
 @end deffn
 
 @deffn {Directive} %token-table
@@ -7993,9 +7993,8 @@
 @end deffn
 
 @deffn {Directive} %require "@var{version}"
-Specify that version @var{version} or higher of Bison required for the
-grammar.
address@hidden Decl, , Require a Version of Bison}.
+Require version @var{version} or higher of Bison.  @xref{Require Decl, ,
+Require a Version of Bison}.
 @end deffn
 
 @deffn {Directive} %right
Index: src/parse-gram.y
===================================================================
RCS file: /cvsroot/bison/bison/src/parse-gram.y,v
retrieving revision 1.61
diff -u -u -r1.61 parse-gram.y
--- src/parse-gram.y 5 Oct 2005 06:39:08 -0000 1.61
+++ src/parse-gram.y 12 Oct 2005 10:11:47 -0000
@@ -539,8 +539,11 @@
 version_check (location const *loc, char const *version)
 {
   if (strverscmp (version, PACKAGE_VERSION) > 0)
-    complain_at (*loc, "require bison %s, but have %s",
-                version, PACKAGE_VERSION);
+    {
+      complain_at (*loc, "require bison %s, but have %s",
+                  version, PACKAGE_VERSION);
+      exit (63);
+    }
 }
 
 static void
Index: tests/input.at
===================================================================
RCS file: /cvsroot/bison/bison/tests/input.at,v
retrieving revision 1.35
diff -u -u -r1.35 input.at
--- tests/input.at 2 Oct 2005 18:49:15 -0000 1.35
+++ tests/input.at 12 Oct 2005 10:11:47 -0000
@@ -317,4 +317,4 @@
 AT_CHECK_REQUIRE(1.0, 0)
 AT_CHECK_REQUIRE(AT_PACKAGE_VERSION, 0)
 ## FIXME: Some day augment this version number.
-AT_CHECK_REQUIRE(100.0, 1)
+AT_CHECK_REQUIRE(100.0, 63)