52 lines
1.9 KiB
CMake
52 lines
1.9 KiB
CMake
# The GLFW adapter: the reference host for the library. It owns the window, the
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# context and the loop, and translates GLFW's events into plot::input events.
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#
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# Dependency discovery follows the design spec's order: find_package first,
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# pkg-config next, FetchContent only when neither can supply GLFW (the last
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# resort, because it needs the network).
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set(plot_glfw_dep "")
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find_package(glfw3 3.3 QUIET)
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if(TARGET glfw)
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set(plot_glfw_dep glfw)
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elseif(TARGET glfw3::glfw3)
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set(plot_glfw_dep glfw3::glfw3)
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endif()
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if(NOT plot_glfw_dep)
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find_package(PkgConfig QUIET)
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if(PkgConfig_FOUND)
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pkg_check_modules(GLFW_PC QUIET IMPORTED_TARGET glfw3)
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if(TARGET PkgConfig::GLFW_PC)
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set(plot_glfw_dep PkgConfig::GLFW_PC)
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endif()
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endif()
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endif()
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if(NOT plot_glfw_dep)
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message(STATUS "plot: glfw3 not found via find_package or pkg-config; fetching it")
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include(FetchContent)
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set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
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set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
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set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
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set(GLFW_INSTALL OFF CACHE BOOL "" FORCE)
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FetchContent_Declare(glfw
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GIT_REPOSITORY https://github.com/glfw/glfw.git
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GIT_TAG 3.4
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GIT_SHALLOW TRUE)
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FetchContent_MakeAvailable(glfw)
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set(plot_glfw_dep glfw)
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endif()
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message(STATUS "plot: GLFW adapter dependency: ${plot_glfw_dep}")
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add_library(plot_glfw STATIC glfw_host.cpp)
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add_library(plot::glfw ALIAS plot_glfw)
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# The public include root is `adapters/`, so the header is reached as
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# <glfw/glfw_host.hpp> -- the toolkit's name first, like every other adapter's.
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target_include_directories(plot_glfw PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/..")
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# GLFW stays PRIVATE: the header forward-declares GLFWwindow and includes no GLFW
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# header, so a consumer of plot::glfw does not inherit the toolkit.
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target_link_libraries(plot_glfw PUBLIC plot::core PRIVATE ${plot_glfw_dep})
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plot_apply_warnings(plot_glfw)
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