67 lines
2.1 KiB
CMake
67 lines
2.1 KiB
CMake
# ==============================================================================
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# Find glm
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# ==============================================================================
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# This module fetches the GLM (OpenGL Mathematics) library.
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#
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# Targets provided:
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# glm::glm - The glm library target
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#
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# Variables set:
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# glm_FOUND - TRUE if glm is available
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# glm_LIBRARIES - The glm library target (glm::glm)
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# glm_INCLUDE_DIR - Include directories for glm
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# glm_VERSION - Version of glm (if available)
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# ==============================================================================
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if (DEFINED _FINDGLM_INCLUDED)
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return()
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endif()
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set(_FINDGLM_INCLUDED TRUE)
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# Use the version passed to find_package(), or default to 1.0.1
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if (DEFINED glm_FIND_VERSION AND NOT glm_FIND_VERSION STREQUAL "")
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set(GLM_VERSION "${glm_FIND_VERSION}")
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else()
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set(GLM_VERSION "1.0.1")
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endif()
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message(STATUS "Fetching glm ${GLM_VERSION}")
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include(FetchContent)
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set(_glm_warn_deprecated "${CMAKE_WARN_DEPRECATED}")
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set(CMAKE_WARN_DEPRECATED OFF CACHE BOOL "Suppress deprecated warnings while fetching glm" FORCE)
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FetchContent_Declare(
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glm
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URL https://github.com/g-truc/glm/archive/refs/tags/${GLM_VERSION}.zip
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DOWNLOAD_EXTRACT_TIMESTAMP TRUE
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)
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FetchContent_MakeAvailable(glm)
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set(CMAKE_WARN_DEPRECATED "${_glm_warn_deprecated}" CACHE BOOL "Restore deprecation warnings" FORCE)
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if (NOT TARGET glm::glm)
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if (TARGET glm)
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add_library(glm::glm ALIAS glm)
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else()
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message(FATAL_ERROR "Could not fetch glm; no target glm or glm::glm available")
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endif()
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endif()
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set(glm_FOUND TRUE)
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set(glm_LIBRARIES glm::glm)
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set(glm_VERSION "${GLM_VERSION}")
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get_target_property(_glm_inc glm::glm INTERFACE_INCLUDE_DIRECTORIES)
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set(glm_INCLUDE_DIR "${_glm_inc}")
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# Mark glm includes as SYSTEM to suppress warnings from its headers
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if (_glm_inc AND TARGET glm)
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set_target_properties(glm PROPERTIES
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INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${_glm_inc}"
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)
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endif()
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set(GLM_LICENSE_FILE "${glm_SOURCE_DIR}/copying.txt" CACHE FILEPATH "Path to GLM license file")
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