---
 install-sh   | 2 +-
 raddb/all.mk | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/install-sh b/install-sh
index aaa016e..3d8242c 100755
--- a/install-sh
+++ b/install-sh
@@ -39,7 +39,7 @@ chownprog="${CHOWNPROG-chown}"
 chgrpprog="${CHGRPPROG-chgrp}"
 stripprog="${STRIPPROG-strip}"
 rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
+mkdirprog="${MKDIRPROG-mkdir -p}"
 
 transformbasename=""
 transform_arg=""
diff --git a/raddb/all.mk b/raddb/all.mk
index 6ab8c78..7161349 100644
--- a/raddb/all.mk
+++ b/raddb/all.mk
@@ -82,6 +82,8 @@ $(INSTALL_RADDB_DIRS):
 	@echo INSTALL $(patsubst $(R)$(raddbdir)%,raddb%,$@)
 	@$(INSTALL) -d -m 750 $@
 
+.NOTPARALLEL: $(INSTALL_RADDB_DIRS)
+
 #  The installed files have ORDER dependencies.  This means that they
 #  will be installed if the target doesn't exist.  And they won't be
 #  installed if the target already exists, even if it is out of date.
-- 
2.25.1