-export LD_LIBRARY_PATH=build/src/lib:build/src/wx:build/src/asdcplib/src:/home/c.hetherington/lib:$LD_LIBRARY_PATH
-export DYLD_LIBRARY_PATH=build/src/lib:build/src/wx:build/src/asdcplib/src:/Users/c.hetherington/osx-environment/64/lib
+build=$DIR/../build
+export LD_LIBRARY_PATH=$build/src/lib:$build/src/wx:$build/src/asdcplib/src:$LD_LIBRARY_PATH
+export DYLD_LIBRARY_PATH=$build/src/lib:$build/src/wx:$build/src/asdcplib/src:/Users/c.hetherington/osx-environment/64/lib