Experimental sysroot option.

1 files changed, 5 insertions, 0 deletions

diff --git a/SConstruct b/SConstruct
index cebe00c4..b1ddb438 100644
--- a/SConstruct
+++ b/SConstruct
@@ -129,6 +129,7 @@ nonboolopts = (
     ("fixed_port_speed",    0,             "fixed serial port speed"),
     ("fixed_stop_bits",     0,             "fixed serial port stop bits"),
     ("target",              "",            "cross-development target"),
+    ("sysroot",             "",            "cross-development system root"),
     )
 for (name, default, help) in nonboolopts:
     opts.Add(name, help, default)
@@ -269,6 +270,10 @@ if env['target']:
     for (name, toolname) in devenv:
         env[name] = env['target'] + '-' + toolname
 
+if env['sysroot']:
+    env.MergeFlags({"CFLAGS": ["--sysroot=%s" % env['sysroot']]})
+    env.MergeFlags({"LINKFLAGS": ["--sysroot=%s" % env['sysroot']]})
+
 ## Build help
 
 Help("""Arguments may be a mixture of switches and targets in any order.