each build should reset environment variables. an important fix... we should build some (many?)

packages again.

pisi/actionsapi/variables.py

@@ -13,6 +13,7 @@
 # Standard Python Modules
 from os import getenv
 from os import environ
+from copy import deepcopy
 
 # Pisi-Core Modules
 import pisi.context as ctx
@@ -22,6 +23,10 @@ import pisi.context as ctx
 def exportFlags():
     '''General flags used in actions API.'''
 
+    # first reset environ
+    environ = {}
+    environ = deepcopy(ctx.config.environ)
+
     # Build systems depend on these environment variables. That is why
     # we export them instead of using as (instance) variables.
     values = ctx.config.values
@@ -31,6 +36,7 @@ def exportFlags():
     environ['LDFLAGS'] = values.build.ldflags
     environ['USER_LDFLAGS'] = values.build.ldflags
     environ['JOBS'] = values.build.jobs
+    
 
 class Env(object):
     '''General environment variables used in actions API'''

pisi/config.py

@@ -18,6 +18,7 @@ regular PISI configurations.
 """
 
 import os
+from copy import deepcopy
 
 import gettext
 __trans = gettext.translation('pisi', fallback=True)
@@ -59,6 +60,10 @@ class Config(object):
             ctx.ui.warning( _('Destination directory %s does not exist. Creating it.') % self.destdir)
             os.makedirs(self.destdir)
 
+        # get the initial environment variables. this is needed for
+        # build process.
+        self.environ = deepcopy(os.environ)
+
 
     def get_option(self, opt):
         if self.options: