From: g0dil <g0dil@270642c3-0616-0410-b53a-bc976706d245>
Date: Wed, 4 Aug 2010 14:53:35 +0000 (+0000)
Subject: Fix CPPDFINES handling in scons
X-Git-Url: http://g0dil.de/git?a=commitdiff_plain;h=e691d9f37d0f569ff6ad46f76282cfc057cdf197;p=senf.git

Fix CPPDFINES handling in scons

git-svn-id: https://svn.berlios.de/svnroot/repos/senf/trunk@1661 270642c3-0616-0410-b53a-bc976706d245
---

diff --git a/SConstruct b/SConstruct
index 08a96af..0bb858a 100644
--- a/SConstruct
+++ b/SConstruct
@@ -131,6 +131,10 @@ env.SetDefault(
     FLAVOR            = '',
 )
 
+env.Replace(
+    _defines          = senfutil.expandDefines
+)
+
 # Set variables from command line
 senfutil.parseArguments(
     env,
diff --git a/senf/.gitignore b/senf/.gitignore
index a4de1b0..1f1b46d 100644
--- a/senf/.gitignore
+++ b/senf/.gitignore
@@ -1,2 +1,3 @@
 /local_config.hh
 /autoconf.hh
+/Version.hh
diff --git a/site_scons/senfutil.py b/site_scons/senfutil.py
index 29992a3..498f7f0 100644
--- a/site_scons/senfutil.py
+++ b/site_scons/senfutil.py
@@ -1,6 +1,8 @@
 import os.path, glob, site_tools.Yaptu
 from SCons.Script import *
+import SCons.Defaults, SCons.Util
 import senfconf
+import types, re
 
 senfutildir = os.path.dirname(__file__)
 
@@ -32,6 +34,62 @@ class BuildTypeOptions:
         type = env['final'] and "final" or env['debug'] and "debug" or "normal"
         return env[self._var + "_" + type]
 
+_DOLLAR_RE = re.compile(r'\$([a-zA-Z_][\.\w]*)|\${([^}]*)}')
+
+def _expandDefines(defs, target, source, env, for_signature):
+    rv = []
+    if SCons.Util.is_Dict(defs):
+        keys = defs.keys()
+        keys.sort()
+        defs = [ (k,defs[k]) for k in keys ]
+    elif not SCons.Util.is_List(defs):
+        defs = [ defs ]
+    for elt in defs:
+        if SCons.Util.is_String(elt):
+            m = _DOLLAR_RE.match(elt)
+            if m:
+                match = m.group(1) or m.group(2)
+                try: rv.extend(_expandDefines(eval(match, env.gvars(), env.lvars()),
+                                              target, source, env, for_signature))
+                except NameError: pass
+                except IndexError: pass
+            else:
+                rv.append(env.subst(elt))
+        elif callable(elt):
+            rv.extend(_expandDefines(elt(target, source, env, for_signature),
+                                     target, source, env, for_signature))
+        elif SCons.Util.is_Sequence(elt):
+            if len(elt)<2 or elt[1] is None:
+                rv.append(env.subst(elt[0]))
+            else:
+                rv.append(env.subst(elt[0]) + "=" + env.subst(elt[1]))
+        else:
+            rv.append(str(elt))
+    return rv
+
+def expandDefines(prefix, defs, suffix, env):
+    """Expand defines in <defs> using <env>. Calls SCons.Defaults._concat_ixes
+to append prefix/suffix before/after each define.
+
+    callable
+        Call the callable and replace it with the call result. If the result
+        is a list, the list is processed recursively. It the result is a
+        dictionary it is converted into a list of typles and processed
+        recursively.
+    '$<variable>' or '${<variable>}'
+        Replace the element with the variable expansion. If the result is a
+        list, the list is processed recursively. It the result is a
+        dictionary it is converted into a list of typles and processed
+        recursively.
+    '<any other string>'
+        Define a symbol with that (expanded!) name
+    iterable
+        The iteratble must have two elments. The first element defines the
+        symbol name, the second the symbol value."""
+
+    defs = _expandDefines(defs, None, None, env, False)
+    return SCons.Defaults._concat_ixes(prefix, defs, suffix, env)
+    
 def loadTools(env):
     global senfutildir
     tooldir = os.path.join(senfutildir, 'site_tools')
@@ -117,6 +175,8 @@ def SetupForSENF(env, senf_path = []):
         REVISION          = "unknown",
         )
 
+    env.Replace( _defines = expandDefines )
+
     # Interpret command line options
     parseArguments(
         env,