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https://github.com/ocornut/imgui.git
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Merge b59550f67e into 3bae66c735
This commit is contained in:
Elvis Dowson
GitHub
commit
0a0a7e1979
1 changed files with 168 additions and 0 deletions
168
CMakeLists.txt
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168
CMakeLists.txt
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cmake_minimum_required(VERSION 3.18)
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project(imgui
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LANGUAGES CXX C
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VERSION 1.92.7)
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set(CMAKE_CXX_STANDARD 20)
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set(LIBRARY_TARGET_NAME ${PROJECT_NAME})
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# define source and install directories
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set(${LIBRARY_TARGET_NAME}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
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set(${LIBRARY_TARGET_NAME}_BACKENDS_DIR "${CMAKE_CURRENT_SOURCE_DIR}/backends")
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set(${LIBRARY_TARGET_NAME}_HEADER_FILES
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui.h
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui_internal.h
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imconfig.h
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imstb_rectpack.h
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imstb_truetype.h
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)
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set(${LIBRARY_TARGET_NAME}_SOURCE_FILES
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui.cpp
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui_demo.cpp
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui_draw.cpp
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui_tables.cpp
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${${LIBRARY_TARGET_NAME}_SOURCE_DIR}/imgui_widgets.cpp
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)
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# set options for backends
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option(IMGUI_BACKEND_GLFW "Use GLFW backend" ON)
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option(IMGUI_BACKEND_GLUT "Use GLUT backend" OFF)
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option(IMGUI_BACKEND_OPENGL3 "Use OpenGL3 backend" OFF)
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option(IMGUI_BACKEND_VULKAN "Use Vulkan backend" ON)
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set(${LIBRARY_TARGET_NAME}_BACKEND_GLFW_HEADER_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_glfw.h
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_GLFW_SOURCE_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_glfw.cpp
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_GLUT_HEADER_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_glut.h
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_GLUT_SOURCE_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_glut.cpp
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_OPENGL3_HEADER_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_opengl3.h
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_OPENGL3_SOURCE_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_opengl3.cpp
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_VULKAN_HEADER_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_vulkan.h
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)
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set(${LIBRARY_TARGET_NAME}_BACKEND_VULKAN_SOURCE_FILES
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${${LIBRARY_TARGET_NAME}_BACKENDS_DIR}/imgui_impl_vulkan.cpp
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)
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# conditionally inlcude backends
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if(IMGUI_BACKEND_GLFW)
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find_package(glfw3 CONFIG REQUIRED)
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_HEADER_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_GLFW_HEADER_FILES})
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_SOURCE_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_GLFW_SOURCE_FILES})
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list(APPEND ${LIBRARY_TARGET_NAME}_LINK_LIBRARIES glfw)
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endif()
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if(IMGUI_BACKEND_GLUT)
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_HEADER_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_GLUT_HEADER_FILES})
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_SOURCE_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_GLUT_SOURCE_FILES})
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endif()
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if(IMGUI_BACKEND_OPENGL3)
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_HEADER_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_OPENGL3_HEADER_FILES})
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_SOURCE_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_OPENGL3_SOURCE_FILES})
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endif()
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if(IMGUI_BACKEND_VULKAN)
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find_package(Vulkan REQUIRED)
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_HEADER_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_VULKAN_HEADER_FILES})
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list(APPEND ${LIBRARY_TARGET_NAME}_BACKEND_SOURCE_FILES ${${LIBRARY_TARGET_NAME}_BACKEND_VULKAN_SOURCE_FILES})
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list(APPEND ${LIBRARY_TARGET_NAME}_LINK_LIBRARIES Vulkan::Vulkan)
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endif()
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add_library(
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${LIBRARY_TARGET_NAME}
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${${LIBRARY_TARGET_NAME}_SOURCE_FILES}
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${${LIBRARY_TARGET_NAME}_BACKEND_SOURCE_FILES})
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add_library(
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${PROJECT_NAME}::${LIBRARY_TARGET_NAME}
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ALIAS ${LIBRARY_TARGET_NAME})
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set_target_properties(${LIBRARY_TARGET_NAME}
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PROPERTIES
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VERSION "${${PROJECT_NAME}_VERSION}"
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PUBLIC_HEADER "${${LIBRARY_TARGET_NAME}_HEADER_FILES}")
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# check if the CONDA_PREFIX environment variable is defined
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if(DEFINED ENV{CONDA_PREFIX})
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message(STATUS "Conda environment detected. Prefix: $ENV{CONDA_PREFIX}")
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set(CONDA_FOUND 1)
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else()
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message(STATUS "No active Conda environment detected.")
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set(CONDA_FOUND 0)
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endif()
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# use target_sources with PUBLIC FILE_SET HEADERS to manage headers.
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# the BASE_DIRS argument is crucial for preserving the directory structure relative to that base.
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# a BASE_DIR cannot be a sub-directory of an existing BASE_DIR.
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target_sources(${LIBRARY_TARGET_NAME} PUBLIC FILE_SET HEADERS
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BASE_DIRS
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"${${LIBRARY_TARGET_NAME}_SOURCE_DIR}"
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FILES
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"${${LIBRARY_TARGET_NAME}_HEADER_FILES}"
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"${${LIBRARY_TARGET_NAME}_BACKEND_HEADER_FILES}")
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# specify include directories for both compilation and installation process.
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target_include_directories(${LIBRARY_TARGET_NAME}
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PUBLIC
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# This path is included if the condition "CONDA_FOUND" is true (1)
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# The $<...: ...> syntax is a generator expression
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$<IF:${CONDA_FOUND},$<BUILD_INTERFACE:$ENV{CONDA_PREFIX}/include>,>
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"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
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"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/backends>"
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"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
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# specify target link libraries.
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target_link_libraries(${LIBRARY_TARGET_NAME}
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PRIVATE
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${${LIBRARY_TARGET_NAME}_LINK_LIBRARIES})
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# specify default install location
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IF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
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SET(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Specify install location." FORCE)
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ENDIF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
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# defines CMAKE_INSTALL_LIBDIR, CMAKE_INSTALL_BINDIR and many other useful macros.
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# see https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html
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include(GNUInstallDirs)
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# specify installation targets, typology and destination folders.
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install(TARGETS ${LIBRARY_TARGET_NAME}
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EXPORT ${LIBRARY_TARGET_NAME} # associates this target with an export name
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT shlib
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT lib
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT bin
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PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${LIBRARY_TARGET_NAME}" COMPONENT dev
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FILE_SET HEADERS DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${LIBRARY_TARGET_NAME}" COMPONENT dev)
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# specify export configuration to make the library discoverable by other cmake project using find_package()
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install(EXPORT ${LIBRARY_TARGET_NAME}
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
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NAMESPACE ${PROJECT_NAME}::
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)
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message(STATUS "Created target ${LIBRARY_TARGET_NAME} for ${PROJECT_NAME}.")
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