Avoid to add an empty component into LD_LIBRARY_PATH if it was not set before.

[simgrid.git] / doc / install.doc

diff --git a/doc/install.doc b/doc/install.doc
index 668f0ca..51459e0 100644 (file)
--- a/doc/install.doc
+++ b/doc/install.doc
@@ -55,7 +55,7 @@ LD_LIBRARY_PATH.
 \verbatim
 $ export SIMGRID_ROOT="$HOME/Install/simgrid/" # change it to the path where you installed the SimGrid library
 $ export SIMGRID_JAVA_ROOT="$HOME/Install/simgrid-java" # change it to the path where you installed the java bindings of SimGrid 
-$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SIMGRID_ROOT/lib:$SIMGRID_JAVA_ROOT/java
+$ export LD_LIBRARY_PATH=${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$SIMGRID_ROOT/lib:$SIMGRID_JAVA_ROOT/java
 $ cd examples
 $ java -cp .:../simgrid.jar basic/BasicTest platform.xml basic/basicDeployment.xml
 \endverbatim