fixed prefix detection code again

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@345 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/configure.ac b/program/configure.ac
index 57d23e4d4174ded383b9a56c614b40c097b87e52..db85831350db35bfdd04539e3ad764cfd7dfdcea 100644 (file)
--- a/program/configure.ac
+++ b/program/configure.ac
@@ -21,10 +21,10 @@ dnl determine the type of system we are running on
 AC_SUBST(VERSION)
 
 dnl where we install our stuff ...
-if [ -d /opt ]; then
-   xxpreinst = /opt
+if test -d /opt; then
+   xxpreinst=/opt
 else 
-   xxpreinst = /usr/local
+   xxpreinst=/usr/local
 fi
 
 AC_PREFIX_DEFAULT( $xxpreinst/rrdtool-$PACKAGE_VERSION )