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cpp_building_joynr_mac.md

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Building joynr C++ in Mac OS X

It is possible to build joynr C++ natively on Mac OS X, but you have to install some extra software and tweak some scripts to get it to work.

This short How-To gives you a step-by-step guide of getting everything set-up and building.

The instruction assumes Mac OS X Sierra 10.12.1.

Prerequisites

Environment Setup

  • Install XCode or from Apple Store
  • Install Homebrew
    • Install boost - brew install boost
    • Install cmake - brew install cmake
    • Install openssl - brew install openssl
    • Install mosquitto - brew install mosquitto

Fetch required modules and generate sources

mvn clean install -P no-license-and-notice,no-java-formatter,no-checkstyle -DskipTests

Create and link the build script

  1. Create a script (e.g. build-cpp.sh) which will execute the build. This can be placed outside of the joynr directory.
#!/bin/bash

cmake -DUSE_PLATFORM_MOSQUITTO=ON \
  -DOPENSSL_ROOT_DIR=[YOUR OPEN SSL ROOT DIR] \
  -DOPENSSL_LIBRARIES=[YOUR OPEN SSL LIB DIR] \
  -DENABLE_GCOV=OFF \
  -DENABLE_DOXYGEN=OFF \
  -DUSE_PLATFORM_SPDLOG=OFF \
  -DUSE_PLATFORM_MUESLI=OFF \
  -DUSE_PLATFORM_WEBSOCKETPP=OFF \
  -DENABLE_CLANG_FORMATTER=OFF \
  -DBUILD_TESTS=OFF \
  -DJOYNR_SERVER_HOST=localhost \
  -DJOYNR_SERVER_MQTT_PORT=1883 \
  -DCMAKE_BUILD_TYPE=Debug ../cpp

make -j 8
  • The OpenSSL version provided by Mac OS X is not compatible with joynr, therefor it is necessary to supply the OpenSSL version installed using Homebrew to CMake:
  -DOPENSSL_ROOT_DIR=[YOUR OPEN SSL ROOT DIR]/usr/local/Cellar/openssl/1.0.2j/ \
  -DOPENSSL_LIBRARIES=[YOUR OPEN SSL LIB DIR]/usr/local/Cellar/openssl/1.0.2j/lib \
  1. Change into your joynr workspace home (e.g. ~/projects/joynr) and create a separate build directory called cpp-build. Change into this, and symlink the script created in the above step into this dir (e.g. ln -s ../../build-cpp.sh .).

Compiling with gcc

If you have installed gcc on your mac, then the cmake command will look like the one below:

#!/bin/bash

cmake -DCMAKE_C_COMPILER=/usr/local/gcc-6.2.0/bin/gcc-6.2.0 \
  -DCMAKE_CXX_COMPILER=/usr/local/gcc-6.2.0/bin/g++-6.2.0 \
  -DCMAKE_PREFIX_PATH:UNINITIALIZED=/usr/local/gcc-6.2.0 \
  -DUSE_PLATFORM_MOSQUITTO=ON \
  -DOPENSSL_ROOT_DIR=/usr/local/Cellar/openssl/1.0.2j/ \
  -DOPENSSL_LIBRARIES=/usr/local/Cellar/openssl/1.0.2j/lib \
  -DENABLE_GCOV=OFF \
  -DENABLE_DOXYGEN=OFF \
  -DUSE_PLATFORM_SPDLOG=OFF \
  -DUSE_PLATFORM_MUESLI=OFF \
  -DUSE_PLATFORM_WEBSOCKETPP=OFF \
  -DENABLE_CLANG_FORMATTER=OFF \
  -DBUILD_TESTS=OFF \
  -DJOYNR_SERVER_HOST=localhost \
  -DJOYNR_SERVER_MQTT_PORT=1883 \
  -DCMAKE_BUILD_TYPE=Debug ../cpp

make -j 8