Merge-in RTEMS port patch by Phil Torre <ptorre@zetron.com>, alpha release.


git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@433 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/build/host-unix.mak b/build/host-unix.mak
index a84f3ec..18dcfd5 100644
--- a/build/host-unix.mak
+++ b/build/host-unix.mak
@@ -2,7 +2,7 @@
 export HOST_RM := rm -f @@
 export HOST_RMR := rm -rf @@
 export HOST_RMDIR := rm -rf @@
-export HOST_MKDIR := mkdir @@
+export HOST_MKDIR := mkdir -p @@
 export HOST_EXE := 
 export HOST_PSEP := /