[ros-users] Header.h location

[Steven Bellens]

2011/2/2 Brian Gerkey <gerkey at willowgarage.com>:
> On Wed, Feb 2, 2011 at 7:56 AM, Steven Bellens
> <steven.bellens at mech.kuleuven.be> wrote:
>> Starting from a clean Diamondback install, I noticed the Header.h file
>> from std_msgs is not (?) in the include path exported in the manifest.
>> There is the roslib/Header.h file which says it's deprecated and
>> refers to std_msgs/Header.h. That last one however is not there. It's
>> actually in msg_gen/cpp/include/std_msgs/Header.h
>> Is this location supposed to be exported in the manifest as well? Or
>> are the headers not installed correctly?
>
> rospack will add that directory automatically if it's present.  E.g.,
>
> $ rospack cflags-only-I std_msgs
> /Users/gerkey/code/ros/ros_comm/messages/std_msgs/include
> /Users/gerkey/code/ros/ros_comm/messages/std_msgs/msg_gen/cpp/include
> /Users/gerkey/code/ros/ros/core/roslib/msg_gen/cpp/include
> /Users/gerkey/code/ros/ros/core/roslib/include
> /Users/gerkey/code/ros/ros/tools/rospack
> /Users/gerkey/code/ros/ros/tools/rospack/include
>
> So as long as you use rospack to get the build flags (which is what
> rosbuild does), everything should work.  Are you parsing manifests by
> hand, by any chance?
>
> We removed the auto-generated directories from manifests because it
> was a constant source of bugs.

Thanks, it's working. The include statement on our side was wrong.
When debugging it I first looked to see if the header was there, which
confused me because there was no matching export statement in the
manifest. Including <std_msgs/Header.h> works ok.

Steven

>
>        brian.
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