fix the install-exec-hook stuff

diff --git a/Makefile.am b/Makefile.am
index 9bcaa3e2588da586b36e452f3d08b7b7ce08d6d4..61b6e2780a2ad6c304014c13a546f9e4f04b373e 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,5 +18,5 @@ endif
 
 
 install-exec-hook:
-       -e /lib/systemd/system || mkdir -p /lib/systemd/system
-       -f /lib/systemd/system/nqptp.service || cp nqptp.service /lib/systemd/system
+       [ -e /lib/systemd/system ] || mkdir -p /lib/systemd/system
+       cp nqptp.service /lib/systemd/system