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Make Conan disableable and add CPack packaging. #2

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Make Conan disableable and add CPack packaging. #2

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ecad6f3
Disable Conan by default. Not everyone has and needs Conan.
KOLANICH May 19, 2023
1bdbe2f
Add CPack packaging.
KOLANICH May 19, 2023
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85 changes: 82 additions & 3 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -22,18 +22,33 @@

cmake_minimum_required(VERSION 3.15)

project(expected LANGUAGES CXX)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")

include(ParsePackagingArguments)
include(GenPkgConfig)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)

project("expected" LANGUAGES CXX VERSION 0.1.0 DESCRIPTION "P0323 & P2505 `std::expected` simple implementation" HOMEPAGE_URL "https://github.com/RishabhRD/expected")

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

add_library(project_options INTERFACE)
target_compile_features(project_options INTERFACE cxx_std_20)

set(PUBLIC_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/include/")
add_library("${PROJECT_NAME}" INTERFACE)
target_include_directories("${PROJECT_NAME}" "INTERFACE" "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>" "$<BUILD_INTERFACE:${PUBLIC_INCLUDES}>")

option(ENABLE_TESTING "Enable Test Builds" ON)
option(ENABLE_EXAMPLES "Enable Example Builds" OFF)
option(ENABLE_CONAN "Build Conan package" OFF)
option(ENABLE_PACKAGING "Build packages using CPack" ON)

include(cmake/Conan.cmake)
run_conan()
if(ENABLE_CONAN)
include(cmake/Conan.cmake)
run_conan()
endif()

if(ENABLE_TESTING)
enable_testing()
Expand All @@ -43,3 +58,67 @@ endif()
if(ENABLE_EXAMPLES)
add_subdirectory(examples)
endif()

if(ENABLE_PACKAGING)
set(PROJECT_UNIQ_NAME "rd${PROJECT_NAME}")
set(CPACK_PACKAGE_NAME "${PROJECT_UNIQ_NAME}")
set(CPACK_PACKAGECPACK_PACKAGE_DESCRIPTION "${PROJECTCPACK_PACKAGE_DESCRIPTION}")
set(CPACK_DEBIAN_PACKAGE_NAME "lib${PROJECT_UNIQ_NAME}-dev")
set(CPACK_RPM_PACKAGE_NAME "lib${PROJECT_UNIQ_NAME}-devel")
set(CPACK_PACKAGE_HOMEPAGE_URL "${PROJECT_HOMEPAGE_URL}")
set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "all")
set(CPACK_PACKAGE_MAINTAINER "Rishabh Dwivedi")
set(CPACK_DEBIAN_PACKAGE_MAINTAINER "${CPACK_PACKAGE_MAINTAINER}")
set(CPACK_DEB_COMPONENT_INSTALL ON)
set(CPACK_RPM_COMPONENT_INSTALL ON)
set(CPACK_NSIS_COMPONENT_INSTALL ON)
set(CPACK_DEBIAN_COMPRESSION_TYPE "xz")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_PACKAGE_DESCRIPTION "${PROJECT_DESCRIPTION}")

install(FILES "${PUBLIC_INCLUDES}/rd/expected.hpp"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/rd"
)

install(TARGETS ${PROJECT_NAME}
EXPORT ${PROJECT_NAME}
INCLUDES
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
)

configure_pkg_config_file("${PROJECT_NAME}"
NAME "${PROJECT_UNIQ_NAME}"
VERSION "${PROJECT_VERSION}"
DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION}"
URL "${PROJECT_HOMEPAGE_URL}"
INSTALL_LIB_DIR "${CMAKE_INSTALL_DATAROOTDIR}"
INSTALL_INCLUDE_DIR "${CMAKE_INSTALL_INCLUDEDIR}"
)

set(CMAKE_CONFIG_VERSION_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_UNIQ_NAME}ConfigVersion.cmake")
set(EXPORT_NAMESPACE "rd::")

export(TARGETS ${PROJECT_NAME}
NAMESPACE "${EXPORT_NAMESPACE}"
FILE "${PROJECT_UNIQ_NAME}Export.cmake"
EXPORT_LINK_INTERFACE_LIBRARIES
)

install(EXPORT ${PROJECT_NAME}
FILE "${PROJECT_UNIQ_NAME}Config.cmake"
NAMESPACE "${EXPORT_NAMESPACE}"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_UNIQ_NAME}"
)

write_basic_package_version_file(
"${CMAKE_CONFIG_VERSION_FILE_NAME}"
VERSION "100500.100500.100500" # any version of same bitness suits. CMake cannot compare to infinity, so use a large number we expect to be greater than any future version
COMPATIBILITY AnyNewerVersion
ARCH_INDEPENDENT
)
install(FILES "${CMAKE_CONFIG_VERSION_FILE_NAME}"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_UNIQ_NAME}"
)
include(CPack)
endif()