Павел Филонов, Разделяй и управляй вместе с Conan.io
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The document provides an overview of managing C++ projects using Conan, a package manager and build tool, particularly focusing on dependency management and Continuous Integration (CI) configuration using Travis CI and AppVeyor. It outlines examples of configuring CMake, building packages, and integrating GoogleTest for unit testing. The document concludes with insights on building scripts, repository management, and references for further learning.
![13
HERE COMES CONANHERE COMES CONAN
pip install conan
conanfile.txt
[requires]
gtest/1.7.0@lasote/stable
[generators]
cmake
CMakeLists.txt
include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
conan_basic_setup()
target_link_libraries(${PROJECT_NAME} ${CONAN_LIBS})](https://image.slidesharecdn.com/1-160825105659/85/Conan-io-14-320.jpg)
![14
INSTALL DEPENDENCIESINSTALL DEPENDENCIES
$conan install
Requirements
gtest/1.7.0@lasote/stable from conan.io
Packages
gtest/1.7.0@lasote/stable:ee666ea2ce
gtest/1.7.0@lasote/stable: Installing package ee666ea2ce
gtest/1.7.0@lasote/stable: Looking for package ee666ea2ce in remote 'conan.io'
Downloading conan_package.tgz
[==================================================]
Downloading conanmanifest.txt
[==================================================]
Downloading conaninfo.txt
[==================================================]
gtest/1.7.0@lasote/stable: Package installed ee666ea2ce
PROJECT: Generated cmake created conanbuildinfo.cmake
PROJECT: Generated conaninfo.txt](https://image.slidesharecdn.com/1-160825105659/85/Conan-io-15-320.jpg)
![15
IF NO BINARY PACKAGE FOUNDIF NO BINARY PACKAGE FOUND
$conan install --build=missing
gtest/1.7.0: WARN: Binary for ad55876aa not in remote: Package not found!
gtest/1.7.0: Building your package in ~/.conan/data/gtest/1.7.0/lasote
gtest/1.7.0: Configuring sources in ~/.conan/data/gtest/1.7.0/lasote/stable/
[==================================================]
Unzipping 4.8 MB, this can take a while
gtest/1.7.0: Copying sources to build folder
gtest/1.7.0: Generated cmake created conanbuildinfo.cmake
-- The C compiler identification is GNU 6.1.1
-- The CXX compiler identification is GNU 6.1.1
...
gtest/1.7.0 package(): Copied 20 '.h' files
gtest/1.7.0 package(): Copied 2 '.so' files: libgtest_main.so, libgtest.so
gtest/1.7.0: Package 'ad55876aa' created
PROJECT: Generated cmake created conanbuildinfo.cmake
PROJECT: Generated conaninfo.txt](https://image.slidesharecdn.com/1-160825105659/85/Conan-io-16-320.jpg)
Павел Филонов, Разделяй и управляй вместе с Conan.io
- 1. 1 DIVIDE AND MANAGE WITHDIVIDE AND MANAGE WITH CONAN.IOCONAN.IO Pavel.Filonov@kaspersky.com
- 2. 2 C++ PROVIDES CONTROLC++ PROVIDES CONTROL Example: parameter passing f(X)1. f(X&)2. f(const X&)3. f(X*)4. f(const X*)5. f(X&&)6. template<class T> f(T&&)7. f(owner<X*>)8. f(not_null<X*>)9. f(unique_ptr<X>)10. f(shared_ptr<X>)11.
- 3. 3 C++ PROVIDES PORTABILITYC++ PROVIDES PORTABILITY But how we could build all of this!
- 4. 4 C++ BUILD TOOLSC++ BUILD TOOLS CMake qmake bazel ninja meson maiken Scons ... Ok. But who will manage our dependencies?
- 5. 5 C++ PACKAGE MANAGERSC++ PACKAGE MANAGERS Linux apt, yum, portage, pacman, ... Macos MacPorts, Fink, Homebrew, ... Windows Nuget, Chocolatey Cross-plarform cpm, hunter, ExternalProject_Add <self-written scripts on python, perl, bash, cmake> biicode conan
- 6. 6 "HELLO, WORLD" IN TDD STYLE"HELLO, WORLD" IN TDD STYLE hello.h #ifndef HELLO_H #define HELLO_H #include <ostream> std::ostream& hello(std::ostream&); #endif test_hello.cpp void test_hello() { std::stringstream ss; hello(ss); assert("Hello, world" == ss.str()); }
- 7. 7 BUILD CONFIGURATIONBUILD CONFIGURATION CMakeLists.txt cmake_minimum_required(VERSION 2.8.12) project(hello CXX) set(${PROJECT_NAME}_SOURCES ${CMAKE_SOURCE_DIR}/src/hello.cpp ) set(${PROJECT_NAME}_HEADERS ${CMAKE_SOURCE_DIR}/include/hello.h ) include_directories(include) add_executable(${PROJECT_NAME} ${CMAKE_SOURCE_DIR}/src/main.cpp ${${PROJECT_NAME}_SOURCES} ${${PROJECT_NAME}_HEADERS} ) enable_testing() add_subdirectory(test)
- 8. TRAVIS CI CONFIGURATIONTRAVIS CI CONFIGURATION .travis.yml sudo: required dist: trusty script: - mkdir build && cd build - cmake .. - cmake --build . - ctest matrix: include: - os: linux addons: apt: sources: - ubuntu-toolchain-r-test packages: - g++-4.9 env: CXX=g++-4.9 - os: linux addons: 8
- 9. packages: - g++-5 env: CXX=g++-5 - os: linux addons: apt: sources: - ubuntu-toolchain-r-test packages: - g++-6 env: CXX=g++-6 - os: linux addons: apt: sources: - ubuntu-toolchain-r-test
- 10. 9 PROFIT!PROFIT!
- 11. 10 APPVEYOR CONFIGURATIONAPPVEYOR CONFIGURATION appveyor.yml build: build_script: - mkdir build && cd build - cmake -G "%TOOLCHAIN_VERSION%" .. - cmake --build . --config release test_script: - cmd: ctest -C release -VV environment: matrix: - TOOLCHAIN_VERSION: Visual Studio 14 2015 - TOOLCHAIN_VERSION: Visual Studio 12 2013 - TOOLCHAIN_VERSION: Visual Studio 11 2012
- 12. 11 WE NEED MORE BUILDSWE NEED MORE BUILDS
- 13. 12 NOW WE WANT TO USE GOOGLETESTNOW WE WANT TO USE GOOGLETEST #include <sstream> #include <iostream> #include <gtest/gtest.h> #include <hello.h> TEST(hello, simple) { std::stringstream ss; hello(ss); ASSERT_EQ("Hello, world", ss.str()); } But how build it on CI?
- 14. 13 HERE COMES CONANHERE COMES CONAN pip install conan conanfile.txt [requires] gtest/1.7.0@lasote/stable [generators] cmake CMakeLists.txt include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake) conan_basic_setup() target_link_libraries(${PROJECT_NAME} ${CONAN_LIBS})
- 15. 14 INSTALL DEPENDENCIESINSTALL DEPENDENCIES $conan install Requirements gtest/1.7.0@lasote/stable from conan.io Packages gtest/1.7.0@lasote/stable:ee666ea2ce gtest/1.7.0@lasote/stable: Installing package ee666ea2ce gtest/1.7.0@lasote/stable: Looking for package ee666ea2ce in remote 'conan.io' Downloading conan_package.tgz [==================================================] Downloading conanmanifest.txt [==================================================] Downloading conaninfo.txt [==================================================] gtest/1.7.0@lasote/stable: Package installed ee666ea2ce PROJECT: Generated cmake created conanbuildinfo.cmake PROJECT: Generated conaninfo.txt
- 16. 15 IF NO BINARY PACKAGE FOUNDIF NO BINARY PACKAGE FOUND $conan install --build=missing gtest/1.7.0: WARN: Binary for ad55876aa not in remote: Package not found! gtest/1.7.0: Building your package in ~/.conan/data/gtest/1.7.0/lasote gtest/1.7.0: Configuring sources in ~/.conan/data/gtest/1.7.0/lasote/stable/ [==================================================] Unzipping 4.8 MB, this can take a while gtest/1.7.0: Copying sources to build folder gtest/1.7.0: Generated cmake created conanbuildinfo.cmake -- The C compiler identification is GNU 6.1.1 -- The CXX compiler identification is GNU 6.1.1 ... gtest/1.7.0 package(): Copied 20 '.h' files gtest/1.7.0 package(): Copied 2 '.so' files: libgtest_main.so, libgtest.so gtest/1.7.0: Package 'ad55876aa' created PROJECT: Generated cmake created conanbuildinfo.cmake PROJECT: Generated conaninfo.txt
- 17. 16 USING CONAN ON CIUSING CONAN ON CI .travis.yml before_install: - sudo pip install conan install: - conan install --build=missing appveyor.yml install: - set PATH=%PATH%;%PYTHON%/Scripts/ - pip.exe install conan # It install conan too - conan install --build=missing
- 18. 17 CONAN REPOSITORY PACKAGE LISTCONAN REPOSITORY PACKAGE LIST
- 19. 18 HOW TO BUILD OWN PACKAGEHOW TO BUILD OWN PACKAGE conanfile.py class LibrabbitmqConan(ConanFile): name = "librabbitmq" version = "0.8.1" def source(self): self.run("git clone https://github.com/alanxz/rabbitmq-c.git") def build(self): cmake = CMake(self.settings) self.run("cmake -DENABLE_SSL_SUPPORT=OFF " "%s/rabbitmq-c %s" % (self.conanfile_directory, cmake.command_line)) self.run("cmake --build . %s" % cmake.build_config) def package(self): self.copy("*.h", dst="include", src="rabbitmq-c/librabbitmq") conan export demo/testing
- 20. 19 CONAN PRIVATE REPOSITORYCONAN PRIVATE REPOSITORY Get sources $ git clone https://github.com/conan-io/conan.git $ cd conan $ git checkout master $ pip install -r conans/requirements.txt $ pip install -r conans/requirements_server.txt $ pip install gunicorn Run server gunicorn -b 0.0.0.0:9300 -w 4 -t 120 conans.server.server_launcher:app Upload packages $ conan upload librabbitmq/0.8.1@demo/testing
- 21. 20 CONAN BUILD PACKAGE TOOLSCONAN BUILD PACKAGE TOOLS build.py from conan.packager import ConanMultiPackager if __name__ == "__main__": builder = ConanMultiPackager() builder.add_common_builds(pure_c=True) builder.run()
- 22. CONAN BUILD PACKAGE TOOLSCONAN BUILD PACKAGE TOOLS .travis.yml os: linux services: - docker sudo: required language: python env: matrix: - CONAN_GCC_VERSIONS=4.6 CONAN_USE_DOCKER=1 - CONAN_GCC_VERSIONS=4.8 CONAN_USE_DOCKER=1 - CONAN_GCC_VERSIONS=4.9 CONAN_USE_DOCKER=1 - CONAN_GCC_VERSIONS=5.2 CONAN_USE_DOCKER=1 - CONAN_GCC_VERSIONS=5.3 CONAN_USE_DOCKER=1 global: - CONAN_UPLOAD=1 - CONAN_REFERENCE="librabbitmq/0.8.1" - CONAN_USERNAME="filonovpv" - CONAN_CHANNEL="testing" - CONAN_TOTAL_PAGES=1 - CONAN_CURRENT_PAGE=1 21
- 23. osx_image: xcode7.3 # apple-clang 7.3 language: generic env: - os: osx osx_image: xcode7.1 # apple-clang 7.0 language: generic env: - os: osx osx_image: xcode6.4 # apple-clang 6.1 language: generic env: - os: osx osx_image: xcode6.2 # apple-clang 6.0 language: generic env:
- 24. CONAN BUILD PACKAGE TOOLSCONAN BUILD PACKAGE TOOLS appveyor.yml build: false environment: PYTHON: "C:Python27" PYTHON_VERSION: "2.7.8" PYTHON_ARCH: "32" CONAN_UPLOAD: 1 CONAN_REFERENCE: "librabbitmq/0.8.1" CONAN_USERNAME: "filonovpv" CONAN_CHANNEL: "testing" CONAN_TOTAL_PAGES: 4 matrix: - CONAN_CURRENT_PAGE: 1 - CONAN_CURRENT_PAGE: 2 - CONAN_CURRENT_PAGE: 3 - CONAN_CURRENT_PAGE: 4 install: # Workaround for CMake not wanting sh.exe on PATH for MinGW - set PATH=%PATH:C:Program FilesGitusrbin;=% 22
- 29. 26 CONCLUSIONSCONCLUSIONS Positive points build scripts on python public repository private repository build matrix Negative points build scripts on python small number of packages in the official repository small amount of documentation
- 30. 27 REFERENCESREFERENCES Conan - C/C++ package manager - ,1. conan.io c++ package manager demo with sfml -2. CppCon 2014: Lightning Talks - Boris Kolpackov "C++ Package Manager" - 3. Diego Rodriguez-Losada: Biicode, a C/C++ dependency manager with a hosting service - 4. Diego Rodriguez-Losada: Why in heaven is there no dependency management for C++? - 5. Arne Mertz, Using Conan for Third Party Libraries -6. Programming C++ With The 4 Cs: Clang, Cmake, Clion And Conan - 7. Site Source Video Video Video Video Blogpost Blogpost
- 31. 28 THANK YOU FOR YOUR ATTENTION!THANK YOU FOR YOUR ATTENTION! Contacts: email Pavel.Filonov@kaspersky.com github twitter @filonovpv sdukshis