lib9, cmd/dist, cmd/5l: embed GOARM into cmd/5l and auto detect GOARM

R=rsc, dave
CC=golang-dev
http://codereview.appspot.com/6638043

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib9/goos.c b/src/lib9/goos.c
index f3ee1110a..c89275749 100644
--- a/src/lib9/goos.c
+++ b/src/lib9/goos.c
@@ -39,3 +39,9 @@ getgoversion(void)
 {
 	return GOVERSION;
 }
+
+char*
+getgoarm(void)
+{
+	return defgetenv("GOARM", GOARM);
+}