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CMake enhancements

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* Add magic_enum as an interface library
* Enable tests and examples only if is top project
* Use more modern approach to include directories
* Add install target
This commit is contained in:
Anes Belfodil 2019-04-21 18:26:21 -04:00 • committed by Daniil Goncharov
parent 20568660dd
commit e10ba181f1
4 changed files with 47 additions and 11 deletions
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25
CMakeLists.txt
View file

@ -2,14 +2,27 @@
project(magic_enum VERSION "0.4.2" LANGUAGES CXX)
option(MAGIC_ENUM_OPT_BUILD_EXAMPLES "Build magic_enum examples" ON)
option(MAGIC_ENUM_OPT_BUILD_TESTS "Build and perform magic_enum tests" ON)
add_library(${PROJECT_NAME} INTERFACE)
target_include_directories(${PROJECT_NAME} INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
if(MAGIC_ENUM_OPT_BUILD_EXAMPLES)
if (CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
set(IS_TOPLEVEL_PROJECT TRUE)
else ()
set(IS_TOPLEVEL_PROJECT FALSE)
endif ()
option(MAGIC_ENUM_OPT_BUILD_EXAMPLES "Build magic_enum examples" ${IS_TOPLEVEL_PROJECT})
option(MAGIC_ENUM_OPT_BUILD_TESTS "Build and perform magic_enum tests" ${IS_TOPLEVEL_PROJECT})
if (MAGIC_ENUM_OPT_BUILD_EXAMPLES)
add_subdirectory(example)
endif()
endif ()
if(MAGIC_ENUM_OPT_BUILD_TESTS)
if (MAGIC_ENUM_OPT_BUILD_TESTS)
enable_testing()
add_subdirectory(test)
endif()
endif ()
include(install.cmake)

3
example/CMakeLists.txt
View file

@ -1,7 +1,5 @@
include(CheckCXXCompilerFlag)
include_directories(${CMAKE_SOURCE_DIR}/include)
set(OPTIONS "")
if((CMAKE_CXX_COMPILER_ID MATCHES "GNU") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
@ -21,3 +19,4 @@ add_executable(example
example.cpp
${CMAKE_SOURCE_DIR}/include/magic_enum.hpp)
target_compile_options(example PRIVATE ${OPTIONS})
target_link_libraries(example PRIVATE magic_enum)

25
install.cmake Normal file
View file

@ -0,0 +1,25 @@
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${PROJECT_NAME}ConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion
)
install(TARGETS ${PROJECT_NAME}
EXPORT ${PROJECT_NAME}Targets
PUBLIC_HEADER DESTINATION include
INCLUDES DESTINATION include
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION lib/cmake/${PROJECT_NAME}
)
install(EXPORT ${PROJECT_NAME}Targets
NAMESPACE ${PROJECT_NAME}::
DESTINATION lib/cmake/${PROJECT_NAME}
)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include
DESTINATION include
)

5
test/CMakeLists.txt
View file

@ -1,8 +1,5 @@
include(CheckCXXCompilerFlag)
include_directories(3rdparty/Catch2)
include_directories(${CMAKE_SOURCE_DIR}/include)
set(SOURCES test.cpp)
set(OPTIONS "")
@ -28,6 +25,8 @@ endif()
function(make_target target std)
add_executable(${target} ${SOURCES})
target_compile_options(${target} PRIVATE ${OPTIONS})
target_include_directories(${target} PRIVATE 3rdparty/Catch2)
target_link_libraries(${target} PRIVATE magic_enum)
if(std)
if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
target_compile_options(${target} PRIVATE /std:${std})