From 1a8405c320f115d584a9094bf5878b8cf6d58893 Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <ab@samba.org>
Date: Fri, 13 Apr 2012 17:53:04 +0300
Subject: wafsamba: add support for separate rules in stages

bld.process_separate_rule(rule) and conf.process_separate_rule(rule)
will cause WAF to import wscript_<stage>_<rule> script into current
context.

Files wscript_<configure|build>_<rule> should exist in the current
directory.

This can be used to provide rules specific for alternative
implementations of certain libraries

Autobuild-User: Alexander Bokovoy <ab@samba.org>
Autobuild-Date: Fri Apr 13 18:34:39 CEST 2012 on sn-devel-104
---
 buildtools/wafadmin/Utils.py       |  5 -----
 buildtools/wafsamba/samba_utils.py | 25 ++++++++++++++++++++++++-
 2 files changed, 24 insertions(+), 6 deletions(-)

(limited to 'buildtools')

diff --git a/buildtools/wafadmin/Utils.py b/buildtools/wafadmin/Utils.py
index 080d928214..41dad570eb 100644
--- a/buildtools/wafadmin/Utils.py
+++ b/buildtools/wafadmin/Utils.py
@@ -111,9 +111,6 @@ class WscriptError(WafError):
 				return (frame[0], frame[1])
 		return (None, None)
 
-class WscriptCheckSkipped(WscriptError):
-    pass
-
 indicator = is_win32 and '\x1b[A\x1b[K%s%s%s\r' or '\x1b[K%s%s%s\r'
 
 try:
@@ -648,8 +645,6 @@ class Context(object):
 				try:
 					try:
 						exec(compile(txt, file_path, 'exec'), dc)
-					except WscriptCheckSkipped:
-						pass
 					except Exception:
 						exc_type, exc_value, tb = sys.exc_info()
 						raise WscriptError("".join(traceback.format_exception(exc_type, exc_value, tb)), base)
diff --git a/buildtools/wafsamba/samba_utils.py b/buildtools/wafsamba/samba_utils.py
index 519b77bdf0..bdf96fef88 100644
--- a/buildtools/wafsamba/samba_utils.py
+++ b/buildtools/wafsamba/samba_utils.py
@@ -3,7 +3,7 @@
 
 import Build, os, sys, Options, Utils, Task, re, fnmatch, Logs
 from TaskGen import feature, before
-from Configure import conf
+from Configure import conf, ConfigurationContext
 from Logs import debug
 import shlex
 
@@ -624,3 +624,26 @@ def get_tgt_list(bld):
             sys.exit(1)
         tgt_list.append(t)
     return tgt_list
+
+from Constants import WSCRIPT_FILE
+def process_separate_rule(self, rule):
+    ''' cause waf to process additional script based on `rule'.
+        You should have file named wscript_<stage>_rule in the current directory
+        where stage is either 'configure' or 'build'
+    '''
+    ctxclass = self.__class__.__name__
+    stage = ''
+    if ctxclass == 'ConfigurationContext':
+        stage = 'configure'
+    elif ctxclass == 'BuildContext':
+        stage = 'build'
+    file_path = os.path.join(self.curdir, WSCRIPT_FILE+'_'+stage+'_'+rule)
+    txt = load_file(file_path)
+    if txt:
+        dc = {'ctx': self}
+        if getattr(self.__class__, 'pre_recurse', None):
+            dc = self.pre_recurse(txt, file_path, [])
+        exec(compile(txt, file_path, 'exec'), dc)
+
+Build.BuildContext.process_separate_rule = process_separate_rule
+ConfigurationContext.process_separate_rule = process_separate_rule
-- 
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