Error with Boost scope

[Chris Johns]

On 31/1/20 3:12 am, M. Dodson wrote:
> *** I am hitting the mailing list with two questions because I’m not sure
> they’re sufficiently related to be in the same email.  Much of this information
> will be the identical between them, but the traces will be different.  ***
> 
> I am trying to build the simplest of demo applications from the Robot Operating
> System (ROS) on top of RTEMS.
> 
> I have a .c file (talker_init.c) that contains my Init function and a .cpp file
> (talker.cpp) that contains a function creating a ROS talker (just looping “hello
> world [counter value]”).  The Init function in the .c file calls the talker
> function in the .cpp file.
> 
> The ROS libraries rely on Boost libraries.  I think I’ve figured out how to get
> waf to find them (at least, that’s not where I appear to have problems).
> 
> My 'waf configure' command seems to complete without error.
> 
> When I 'waf build -v’, I get a slew of errors associated with things being out
> of scope for boost.  I’ve copied two such traces below.  I can build this just
> fine when I’m not cross-compiling for RTEMS.
> 
> I am using MacO Catalina 10.15.2 on a MacBook Pro.

Nice.

> I have added my own project directory within the rtems-examples repository and
> effectively copied a wscript file from another example project, so I’m still
> relying on the top-level wscript file and the additional elements in the
> rtems_waf directory.

Sure.

> 
> Mike
> 
> 
> —
> examples $ ./waf build
> Waf: Entering directory
> `/Users/michaeldodson/projects/rtems_root/examples/build/riscv-rtems5-rv64imac_medany'
> [1/4] Compiling ros/talker/talker.cpp
> [2/4] Compiling ros/talker/talker_init.c
> ...
> In file included from
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/assert.h:35,
>                  from /usr/local/include/boost/assert.hpp:58,

This looks like a host file and not and RTEMS. Do you have an RTEMS build of
boost installed somewhere?

Chris

>                  from /usr/local/include/boost/math/policies/policy.hpp:21,
>                  from /usr/local/include/boost/math/policies/error_handling.hpp:21,
>                  from /usr/local/include/boost/math/special_functions/round.hpp:14,
>                  from
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/time.h:58,
>                  from
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/ros.h:38,
>                  from ../../ros/talker/talker.cpp:1:
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/console.h:126:16:
> error: 'shared_ptr' in namespace 'boost' does not name a template type; did you
> mean 'shared_array'?
>   126 | typedef boost::shared_ptr<Token> TokenPtr;
>       |                ^~~~~~~~~~
>       |                shared_array
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/console.h:127:21:
> error: 'TokenPtr' was not declared in this scope; did you mean 'Token'?
>   127 | typedef std::vector<TokenPtr> V_Token;
>       |                     ^~~~~~~~
>       |                     Token
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/console.h:127:29:
> error: template argument 1 is invalid
>   127 | typedef std::vector<TokenPtr> V_Token;
>       |                             ^
> ---
> In file included from /usr/local/include/boost/smart_ptr/shared_ptr.hpp:25,
>                  from /usr/local/include/boost/shared_ptr.hpp:17,
>                  from
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/forwards.h:37,
>                  from
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/common.h:37,
>                  from
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/ros.h:43,
>                  from ../../ros/talker/talker.cpp:1:
> /usr/local/include/boost/smart_ptr/shared_ptr.hpp: In instantiation of 'typename
> boost::detail::sp_member_access<T>::type boost::shared_ptr<T>::operator->()
> const [with T = ros::Publisher::Impl; typename
> boost::detail::sp_member_access<T>::type = ros::Publisher::Impl*]':
> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/publisher.h:148:52:
>   required from here
> /usr/local/include/boost/assert.hpp:60:35: error: 'assert' was not declared in
> this scope; did you mean 'mpl_::assert'?
>    60 | # define BOOST_ASSERT(expr) assert(expr)
>       |                             ~~~~~~^~~~~~
> /usr/local/include/boost/smart_ptr/shared_ptr.hpp:734:9: note: in expansion of
> macro 'BOOST_ASSERT'
>   734 |         BOOST_ASSERT( px != 0 );
>       |         ^~~~~~~~~~~~
> 
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