Shared Library CMake C++

Recently I decided to make all parts of FlameSteelFramework separate shared libraries, then I will show an example of a CMakeLists.txt file for FlameSteelCore:


cmake_minimum_required(VERSION 3.5)

project (FlameSteelCore)
set(CMAKE_BUILD_TYPE Release)

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src)

file(GLOB_RECURSE SOURCE_FILES
    "src/FlameSteelCore/*.cpp"
)

add_library(FlameSteelCore SHARED ${SOURCE_FILES})

install(DIRECTORY "${CMAKE_SOURCE_DIR}/src/FlameSteelCore"
        DESTINATION include/FlameSteelFramework
        FILES_MATCHING
        PATTERN "*.h"
)

install(TARGETS FlameSteelCore DESTINATION lib)

The commands that CMake executes are: it collects all files with the * .cpp extension from the src / FlameSteelCore / directory in the shared library, copies all readers with the * .h extension from src / FlameSteelCore to include / FlameSteelFramework (in my case it is / usr / local / include / FlameSteelFramework), copy shared lib to the lib directory (/ usr / local / lib)
After installation, it may be necessary to update the LD cache – sudo ldconfig.
To build and install on Ubuntu (if you have the correct build toolchain), just run the following commands:


cmake . && make && sudo make install

To check the installation process, I pass make prefix to the local makeInstallTestPlayground folder:


cmake -DCMAKE_INSTALL_PREFIX:PATH=/home/demensdeum/makeInstallTestPlayground . && make && make install

References

https://stackoverflow.com/questions/17511496/how-to-create-a-shared-library-with-cmake
https://stackoverflow.com/questions/6003374/what-is-cmake-equivalent-of-configure-prefix-dir-make-all-install

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