Allow2cpp/CMakeLists.txt at v2.0.0-alpha · Allow2/Allow2cpp · GitHub

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cmake_minimum_required(VERSION 3.14)
project(allow2cpp VERSION 2.0.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Find liballow2 — try find_package first, fall back to local subdirectory
find_package(allow2 QUIET)
if(NOT TARGET allow2::allow2 AND NOT TARGET allow2)
    if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../liballow2/CMakeLists.txt")
        add_subdirectory(
            "${CMAKE_CURRENT_SOURCE_DIR}/../liballow2"
            "${CMAKE_BINARY_DIR}/liballow2"
        )
    else()
        message(FATAL_ERROR
            "liballow2 not found. Install it system-wide or place it at ../liballow2/")
    endif()
endif()

add_library(allow2cpp
    src/daemon.cpp
    src/child_shield.cpp
    src/checker.cpp
    src/feedback.cpp
)

target_include_directories(allow2cpp
    PUBLIC
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:include>
)

# Link against whichever target name liballow2 provides
if(TARGET allow2::allow2)
    target_link_libraries(allow2cpp PUBLIC allow2::allow2)
else()
    target_link_libraries(allow2cpp PUBLIC allow2)
endif()

# Install rules
include(GNUInstallDirs)

install(TARGETS allow2cpp
    EXPORT allow2cppTargets
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)

install(DIRECTORY include/allow2
    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
)

install(EXPORT allow2cppTargets
    FILE allow2cppConfig.cmake
    NAMESPACE allow2cpp::
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/allow2cpp
)