[OE-core] [PATCH] unfs-server: Fix do_configure so it can be re-executed safely

[Richard Purdie]

[YOCTO #2194]

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/meta/recipes-devtools/unfs-server/unfs-server_2.1+2.2beta47.bb b/meta/recipes-devtools/unfs-server/unfs-server_2.1+2.2beta47.bb
index 4e619c5..d03c153 100644
--- a/meta/recipes-devtools/unfs-server/unfs-server_2.1+2.2beta47.bb
+++ b/meta/recipes-devtools/unfs-server/unfs-server_2.1+2.2beta47.bb
@@ -62,7 +62,9 @@ do_configure_prepend () {
     # 64-bit architectures:
     rm -f *_xdr.c
 
-    mv aclocal.m4 acinclude.m4
+    if [ ! -f ${S}/acinclude.m4 ]; then
+        mv ${S}/aclocal.m4 ${S}/acinclude.m4
+    fi
 }
 
 # This recipe is intended for -native and -nativesdk builds only,