Commit 4653781f authored by Jesse Mapel's avatar Jesse Mapel Committed by GitHub
Browse files

Added cmake package config so other packages can find ALE (#294) 

* Updated install command

* Updated so number

* Added target export

* Actually exported the target

* Figured out what the config does
parent 283d375e

CMakeLists.txt

+30 −11
Original line number Diff line number Diff line
@@ -23,14 +23,17 @@ find_package(nlohmann_json REQUIRED) 
# Library setup

add_library(ale SHARED

            ${CMAKE_CURRENT_SOURCE_DIR}/src/ale.cpp)

# Alias a scoped target for safer linking in downstream projects

set(ALE_HEADERS "include/ale.h")

set_target_properties(ale PROPERTIES

                      VERSION       ${PROJECT_VERSION}

    SOVERSION 1)

set(ALE_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/include/")



                      SOVERSION     0

                      PUBLIC_HEADER ${ALE_HEADERS})

# Use generator expressions so that downstream projects can use this target

target_include_directories(ale

                           PUBLIC

                           ${ALE_INCLUDE_DIRS})

                           $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>

                           $<INSTALL_INTERFACE:include>)



target_link_libraries(ale

                      PRIVATE
@@ -60,6 +63,22 @@ if(BUILD_TESTS) 
    endif()

endif()



# Install commands

install(TARGETS ale LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})

install(DIRECTORY ${ALE_INCLUDE_DIRS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
# Generate the package config

configure_file(cmake/config.cmake.in

               ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake

               @ONLY)



# Install the package config

install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake

              DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})



# Install the library

install(TARGETS ale

        EXPORT aleTargets

        LIBRARY       DESTINATION ${CMAKE_INSTALL_LIBDIR}

        PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})



# Install the target

install(EXPORT aleTargets

        NAMESPACE ale::

        DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})

cmake/config.cmake.in

0 → 100644
+7 −0
Original line number Diff line number Diff line 
include(FindPackageHandleStandardArgs)

set(${CMAKE_FIND_PACKAGE_NAME}_CONFIG ${CMAKE_CURRENT_LIST_FILE})

find_package_handle_standard_args(@PROJECT_NAME@ CONFIG_MODE)



if(NOT TARGET @PROJECT_NAME@::ale)

    include("${CMAKE_CURRENT_LIST_DIR}/aleTargets.cmake")

endif()