portersky
47d01f57c0
- Add cbt::window class in cbt/ directory with RAII lifecycle - Add setup_opengl and info_opengl for glad init and GL info - Add Q key to quit the application - Update CMakeLists.txt with glfw3 and glad dependencies - Update AGENTS.md with snake_case naming and shell conventions
82 lines
2.7 KiB
CMake
82 lines
2.7 KiB
CMake
# ==============================================================================
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# Find GLFW
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# ==============================================================================
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# This module fetches the GLFW library for window/input handling.
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#
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# Targets provided:
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# glfw::glfw - The GLFW library target
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# glfw - The GLFW library target (non-namespaced)
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#
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# Variables set:
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# GLFW_FOUND - TRUE if GLFW is available
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# GLFW_LIBRARIES - The GLFW library target (glfw::glfw)
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# GLFW_INCLUDE_DIR - Include directories for GLFW
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# GLFW_VERSION - Version of GLFW (if available)
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# ==============================================================================
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if (DEFINED _FINDGLFW_INCLUDED)
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return()
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endif()
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set(_FINDGLFW_INCLUDED TRUE)
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# Use the version passed to find_package(), or default to 3.4
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if (DEFINED GLFW_FIND_VERSION AND NOT GLFW_FIND_VERSION STREQUAL "")
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set(GLFW_VERSION "${GLFW_FIND_VERSION}")
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else()
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set(GLFW_VERSION "3.4")
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endif()
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message(STATUS "Fetching GLFW ${GLFW_VERSION}")
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include(FetchContent)
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find_program(GIT_EXECUTABLE git)
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if (GIT_EXECUTABLE)
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set(GLFW_FETCH_METHOD "GIT")
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else()
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message(FATAL_ERROR "Fetch with zip not supported.")
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endif()
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if (GLFW_FETCH_METHOD STREQUAL "GIT")
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# Disable GLFW extras to keep builds lightweight.
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set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
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set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
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set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
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set(GLFW_INSTALL OFF CACHE BOOL "" FORCE)
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# Environment issue where a cross-compilation script
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# set(GLFW_BUILD_WAYLAND OFF CACHE BOOL "" FORCE)
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FetchContent_Declare(
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glfw
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GIT_REPOSITORY https://github.com/glfw/glfw.git
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GIT_TAG ${GLFW_VERSION}
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)
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endif()
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set(_glfw_suppress_prev ${CMAKE_SUPPRESS_DEVELOPER_WARNINGS})
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set(CMAKE_SUPPRESS_DEVELOPER_WARNINGS TRUE CACHE INTERNAL "")
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FetchContent_MakeAvailable(glfw)
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set(CMAKE_SUPPRESS_DEVELOPER_WARNINGS ${_glfw_suppress_prev} CACHE INTERNAL "")
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if (NOT TARGET glfw::glfw)
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if (TARGET glfw)
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add_library(glfw::glfw ALIAS glfw)
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else()
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message(FATAL_ERROR "Could not fetch GLFW; no target glfw or glfw::glfw available")
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endif()
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endif()
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set(GLFW_FOUND TRUE)
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set(GLFW_LIBRARIES glfw::glfw)
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get_target_property(_glfw_inc glfw::glfw INTERFACE_INCLUDE_DIRECTORIES)
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set(GLFW_INCLUDE_DIR "${_glfw_inc}")
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# Mark GLFW includes as SYSTEM to suppress warnings from its headers
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if (_glfw_inc AND TARGET glfw)
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set_target_properties(glfw PROPERTIES
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INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${_glfw_inc}"
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)
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endif()
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set(GLFW_LICENSE_FILE "${glfw_SOURCE_DIR}/LICENSE.md" CACHE FILEPATH "Path to GLFW license file")
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