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Subject [GitHub] [celix] rlenferink opened a new issue #79: celix build for raspberry pi2 fails
Date Sat, 28 Sep 2019 14:26:24 GMT
rlenferink opened a new issue #79: celix build for raspberry pi2 fails
URL: https://github.com/apache/celix/issues/79
 
 
   
   
   Building celix for raspberry pi2 with yocto poky distro version 2.2
   gives warning: "readdir_r is deprecated"
   and since all warnings are treated as errors the build fails.
   (See log.do_compile.4948)
   The following changes were needed for succesful compilation
   
   ./celix/CMakeLists.txt
   39,40c39
   < # SET(CMAKE_C_FLAGS "-D_GNU_SOURCE -std=gnu99 -Wall -Werror -fPIC ${CMAKE_C_FLAGS}")
   < SET(CMAKE_C_FLAGS "-D_GNU_SOURCE -std=gnu99 -Wall -fPIC ${CMAKE_C_FLAGS}")
   
   ./celix/dependency_manager_cxx/CMakeLists.txt
   22,23c22
   < # set(CMAKE_CXX_FLAGS "-Wall -Werror -fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   < set(CMAKE_CXX_FLAGS "-Wall -fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   
   ./celix/examples/dm_example_cxx/CMakeLists.txt
   19,20c19
   < # set(CMAKE_CXX_FLAGS "-Wall -Werror -fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   < set(CMAKE_CXX_FLAGS "-Wall -fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   
   ./celix/examples/services_example_cxx/CMakeLists.txt
   19,20c19
   < # set(CMAKE_CXX_FLAGS "-Wall -Werror -fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   < set(CMAKE_CXX_FLAGS "-Wall -fno-rtti -fno-exceptions ${CMAKE_CXX_FLAGS}")
   
   Also the link stage fails with the error:
   ../../framework/libcelix_framework.so.2: undefined reference to `dlsym'
   ../../framework/libcelix_framework.so.2: undefined reference to `dlerror'
   ../../framework/libcelix_framework.so.2: undefined reference to `dlopen'
   ../../framework/libcelix_framework.so.2: undefined reference to `dlclose'
   (See log.do_compile.4948)
   
   I had to add the dl library to the link libraries to make the build work:
   
   ./celix/deployment_admin/CMakeLists.txt
   64c64
   < target_link_libraries(deployment_admin celix_framework ${CURL_LIBRARIES} dl)
   
   ./celix/launcher/CMakeLists.txt
   29c29
   < target_link_libraries(celix celix_framework ${CURL_LIBRARIES} dl)
   31c31
   < target_link_libraries(celix celix_dfi dl) #note not strictly needed, but ensure libdfi
is a dep for the framework, useful when create docker images
   
   ./celix/utils/CMakeLists.txt
   61c61
   < target_link_libraries(celix_utils m pthread dl)
   
   The bitbake do_package_qa stage fails with:
   ERROR: QA Issue: celix: /work/cortexa7hf-neon-vfpv4-poky-linux-gnueabi/celix/1.0-r0/packages-split/celix/usr/bin/celix
contains probably-redundant RPATH /usr/lib [useless-rpaths]
   (See log.do_package_qa.10608)
   I solved this by adding the following in the celix.bb file:
   INSANE_SKIP_${PN} += "useless-rpaths"
   
   With these changes celix builds and i can run the hello world and dm examples on the pi2.
   
   [log.do_compile.4948](https://github.com/apache/celix/files/3665564/log.do_compile.4948.txt)
   [log.do_package_qa.10608](https://github.com/apache/celix/files/3665565/log.do_package_qa.10608.txt)
   
   ---
   
   Original creation date: 16/Dec/2016
   Reporter: Rob

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