# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1365439218 -7200
# Node ID 822163edb8bf0216c6171abf736101f04054f67e
# Parent  87aebe2843a5dcc68d7d7456a335c268e8248fef
Make a copy of the environ in mx clean to avoid forcing things like HOTSPOT_BUILD_JOBS=16 for other commands

diff -r 87aebe2843a5 -r 822163edb8bf mx/commands.py
--- a/mx/commands.py	Mon Apr 08 15:13:05 2013 +0200
+++ b/mx/commands.py	Mon Apr 08 18:40:18 2013 +0200
@@ -66,8 +66,9 @@
     """clean the GraalVM source tree"""
     opts = mx.clean(args, parser=ArgumentParser(prog='mx clean'))
     if opts.native:
-        os.environ.update(ARCH_DATA_MODEL='64', LANG='C', HOTSPOT_BUILD_JOBS='16')
-        mx.run([mx.gmake_cmd(), 'clean'], cwd=join(_graal_home, 'make'))
+        env = os.environ.copy()
+        env.update(ARCH_DATA_MODEL='64', LANG='C', HOTSPOT_BUILD_JOBS='16')
+        mx.run([mx.gmake_cmd(), 'clean'], cwd=join(_graal_home, 'make'), env=env)
         jdks = join(_graal_home, 'jdk' + str(mx.java().version))
         if exists(jdks):
             shutil.rmtree(jdks)