Hi Mike, Just a thought, but it looks like you're compiling a 'c' program (based on file extension) with the c++ headers and libraries. This could be the source of the errors.
Gedare On Thu, Jan 30, 2020, 9:13 AM M. Dodson <md...@cam.ac.uk> 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. > > 1. A trace from the first set of errors is below. Basically, all of the > ‘using ::[something]’ statements in ctime produce similar error. > > 2. A trace from the second set of errors is also below. I get many > errors associated with boost elements being out of scope. 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. > > 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. > > 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 > /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/bits/locale_facets_nonio.h:39, > from > /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/locale:41, > from > /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/iomanip:43, > from > /usr/local/include/boost/math/policies/error_handling.hpp:12, > 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: > /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/ctime:64:11: > error: '::clock' has not been declared > 64 | using ::clock; > | ^~~~~ > _______________________________________________ > users mailing list > users@rtems.org > http://lists.rtems.org/mailman/listinfo/users
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