create dev/shm as directory

diff --git a/init_buildsystem b/init_buildsystem
index e7cf790..461a908 100755 (executable)
--- a/init_buildsystem
+++ b/init_buildsystem
@@ -208,6 +208,8 @@ function create_devs {
     local com file mode arg
 
     mkdir -m 755 -p $BUILD_ROOT/dev/pts
+    test -f $BUILD_ROOT/dev/shm && rm -f $BUILD_ROOT/dev/shm
+    mkdir -m 755 -p $BUILD_ROOT/dev/shm
     while read com file mode arg ; do
        rm -f $BUILD_ROOT/dev/$file
        if test $com = ln ; then