From e1bc68b0140fef465cda26b74602aeb1cbcfdafc Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Thu, 13 Jan 2011 20:52:01 +0000
Subject: scons: Fix cross-compilation.

Hairy stuff. Don't know how to do it better though.
---
 SConstruct | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'SConstruct')

diff --git a/SConstruct b/SConstruct
index 8880d851e6..368ad83edf 100644
--- a/SConstruct
+++ b/SConstruct
@@ -118,6 +118,39 @@ if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
 Export('env')
 
 
+#######################################################################
+# Invoke host SConscripts 
+# 
+# For things that are meant to be run on the native host build machine, instead
+# of the target machine.
+#
+
+# Create host environent
+if env['platform'] != common.host_platform:
+    host_env = Environment(
+        options = opts,
+        # no tool used
+        tools = [],
+        toolpath = ['#scons'],
+        ENV = os.environ,
+    )
+
+    # Override options
+    host_env['platform'] = common.host_platform
+    host_env['machine'] = common.host_machine
+    host_env['toolchain'] = 'default'
+    host_env['llvm'] = False
+
+    host_env.Tool('gallium')
+
+    SConscript(
+        'src/glsl/SConscript',
+        variant_dir = host_env['build_dir'],
+        duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
+        exports={'env':host_env},
+    )
+
+
 #######################################################################
 # Invoke SConscripts
 
-- 
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