Add the -q option.

3 files changed, 18 insertions, 2 deletions

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index 4643b9a..33a4a40 100644
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -73,6 +73,8 @@ RELEASE 0.05 -
 
   - Fix the --debug=pdb option when run on Windows NT.
 
+  - Add support for the -q option.
+
   From Steve Leblanc:
 
   - Add support for the -u option.
diff --git a/src/RELEASE.txt b/src/RELEASE.txt
index 358a359..f257e84 100644
--- a/src/RELEASE.txt
+++ b/src/RELEASE.txt
@@ -98,7 +98,7 @@ RELEASE 0.04 - Wed, 30 Jan 2002 11:09:42 -0600
 	- No support yet for the following command-line options:
 
              -d -e -l --list-actions --list-derived --list-where
-             -o -p -q -r -R --random -w --write-filenames -W
+             -o -p -r -R --random -w --write-filenames -W
              --warn-undefined-variables
 
   Thank you for your interest, and please let us know how we can help
diff --git a/src/engine/SCons/Script/__init__.py b/src/engine/SCons/Script/__init__.py
index 529729e..84882f4 100644
--- a/src/engine/SCons/Script/__init__.py
+++ b/src/engine/SCons/Script/__init__.py
@@ -120,6 +120,16 @@ class CleanTask(SCons.Taskmaster.Task):
             except IndexError:
                 pass
 
+class QuestionTask(SCons.Taskmaster.Task):
+    """An SCons task for the -q (question) option."""
+    def execute(self):
+        if self.targets[0].get_state() != SCons.Node.up_to_date:
+            global exit_status
+            exit_status = 1
+            self.tm.stop()
+
+    def executed(self):
+        pass
 
 # Global variables
 
@@ -501,7 +511,11 @@ def options_init():
 	short = 'p',
 	help = "Print internal environments/objects.")
 
-    Option(func = opt_not_yet, future = 1,
+    def opt_q(opt, arg):
+        global task_class
+        task_class = QuestionTask
+
+    Option(func = opt_q, future = 1,
 	short = 'q', long = ['question'],
 	help = "Don't build; exit status says if up to date.")