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Building and Installing Apache Celix

Building and Installing Apache Celix

Apache Celix aims to be support a broad range of UNIX platforms.

Currently, the [continuous integration build server] builds and tests Apache Celix for:

  • Ubuntu Focal Fossa (20.04)
    • GCC
    • CLang
  • Ubuntu Jammy Jellyfish (22.04)
    • GCC
    • CLang
  • OSX
    • CLang

Download the Apache Celix sources

To get started you first have to download the Apache Celix sources. This can be done by cloning the Apache Celix git repository:

#clone the repro
git clone --single-branch --branch master https://github.com/apache/celix.git

Building and installing

Apache Celix can be build using Conan as package manager/build system or by directly using CMake.

Building Apache Celix using Conan

The following packages (libraries + headers) should be installed on your system:

  • Development Environment
    • build-essentials (gcc/g++ or clang/clang++)
    • java or zip (for packaging bundles)
    • make (3.14 or higher)
    • git
    • cmake (3.19 or higher)
    • Conan (2 or higher)

For Ubuntu 22.04, use the following commands:

sudo apt-get install -yq --no-install-recommends \
    build-essential \
    cmake \
    git \
    default-jdk \
    python3 \
    python3-pip \
    ninja-build
        
#Install conan
pip3 install -U conan

Configure conan default profile using automatic detection of the system

conan profile detect

Create Apache Celix package - and build the dependencies - in the Conan cache:

cd <celix_source_dir>
conan create . --build missing -o build_all=True   
#Optionally build with CMake->Ninja, instead of CMake->Make. Note this includes building dependencies with Ninja. 
conan create . --build missing -o build_all=True  -c tools.cmake.cmaketoolchain:generator=Ninja

Note installing Apache Celix is not required when using Conan, because Conan will install the Apache Celix package in the local Conan cache.

It is also possible to only build a selection of the Apache Celix bundles and/or libs. This can be done by providing build options for the required parts instead of the build_all=True option. For example to only build the Apache Celix framework library and the Apache Celix utils library use the following command:

conan create . --build missing -o build_framework=True -o build_utils=True

To see a complete overview of the available build options use the following command:

conan inspect . | grep build_

CMake Private Linking Workaround

When using Celix via Conan, you may encounter an issue where libzip.so is not found by linker. This is due to a bug in Conan.

A workaround we adopt in Celix is adding the following to conanfile.py:

    def generate(self):
        deps = CMakeDeps(self)
        deps.generate()
        tc = CMakeToolchain(self)
        # the following is workaround for https://github.com/conan-io/conan/issues/7192
        if self.settings.os == "Linux":
            tc.cache_variables["CMAKE_EXE_LINKER_FLAGS"] = "-Wl,--unresolved-symbols=ignore-in-shared-libs"
        elif self.settings.os == "Macos":
            tc.cache_variables["CMAKE_EXE_LINKER_FLAGS"] = "-Wl,-undefined -Wl,dynamic_lookup"
        tc.generate()

Building Apache Celix directly using CMake

The following packages (libraries + headers) should be installed on your system:

  • Development Environment
    • build-essentials (gcc/g++ or clang/clang++)
    • java or zip (for packaging bundles)
    • make (3.19 or higher)
    • git
  • Apache Celix Dependencies
    • libzip
    • uuid
    • zlib
    • curl (only initialized in the Celix framework)
    • jansson (for serialization in libdfi)
    • libffi (for libdfi)
    • libxml2 (for remote services and bonjour shell)
    • rapidjson (for C++ remote service discovery)
    • libczmq (for PubSubAdmin ZMQ)

For Ubuntu 22.04, use the following commands:

#### get dependencies
sudo apt-get install -yq --no-install-recommends \
    build-essential \
    cmake \
    git \
    curl \
    uuid-dev \
    libjansson-dev \
    libcurl4-openssl-dev \
    default-jdk \
    libffi-dev \
    libzip-dev \
    libxml2-dev \
    libczmq-dev \
    libcpputest-dev \
    rapidjson-dev

For OSX systems with brew installed, use the following commands:

brew update && \
brew install lcov libffi libzip czmq rapidjson libxml2 cmake jansson && \
brew link --force libffi

Use CMake and make to build Apache Celix

cd celix
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo .. 
make -j

Editing Build options

With use of CMake, Apache Celix makes it possible to edit build options. This enabled users, among other options, to configure a install location and select additional bundles. To edit the options use ccmake or cmake-gui. For cmake-gui an additional package install can be necessary (Fedora: dnf install cmake-gui).

cd celix/build
ccmake .
#Edit options, e.g. enable BUILD_REMOTE_SHELL to build the remote (telnet) shell
#Edit the CMAKE_INSTALL_PREFIX config to set the install location

For this guide we assume the CMAKE_INSTALL_PREFIX is /usr/local.

Installing Apache Celix

cd celix/build
make -j
sudo make install

Running Apache Celix

If Apache Celix is successfully installed running

celix

should give the following output: "Error: invalid or non-existing configuration file: 'config.properties'.No such file or directory".

For more info how to build your own projects and/or running the Apache Celix examples see Celix Intro.

Building etcdlib library standalone

#bash
git clone git@github.com:apache/celix.git
mkdir celix/build
cd celix/build
cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ../libs/etcdlib
make -j
sudo make install

Building Celix Promises library standalone

#bash
git clone git@github.com:apache/celix.git
mkdir celix/build
cd celix/build
cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ../libs/promises
make -j
sudo make install

Building Celix Push Streams library standalone

#bash
git clone git@github.com:apache/celix.git
mkdir celix/build
cd celix/build
cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo ../libs/pushstreams
make -j
sudo make install