robustify the makefile so that it can be run anywhere, rather than assuming that PWD resolves to the package path. rosdistro runs it from the 'stacks' directory, I think, which is why I noticed this.
robustify the makefile so that it can be run anywhere, rather than assuming that PWD resolves to the package path. rosdistro runs it from the 'stacks' directory, I think, which is why I noticed this.

ros-perception/vision_opencv,ros-perception/vision_opencv,ros-perception/vision_opencv,ros-perception/vision_opencv