44 lines
1.7 KiB
CMake
44 lines
1.7 KiB
CMake
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# FindGLM.cmake for WASM cross-compilation
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# This override is needed because CMake's find_file fails during cross-compilation
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# GLM is a header-only library at ${GLM_INCLUDE_DIR}/glm/
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# GLM_INCLUDE_DIR should be passed from the build script
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if(NOT GLM_INCLUDE_DIR)
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message(FATAL_ERROR "GLM_INCLUDE_DIR must be set for WASM builds")
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endif()
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# Verify the headers exist
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if(NOT EXISTS "${GLM_INCLUDE_DIR}/glm/glm.hpp")
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message(FATAL_ERROR "GLM headers not found at ${GLM_INCLUDE_DIR}/glm/glm.hpp")
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endif()
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# Extract version from setup.hpp
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file(STRINGS "${GLM_INCLUDE_DIR}/glm/detail/setup.hpp" _glm_version_lines
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REGEX "^#define[ \t]+GLM_VERSION_(MAJOR|MINOR|PATCH|REVISION)[ \t]+[0-9]+")
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foreach(_line ${_glm_version_lines})
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if(_line MATCHES "GLM_VERSION_MAJOR[ \t]+([0-9]+)")
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set(_GLM_VERSION_MAJOR ${CMAKE_MATCH_1})
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elseif(_line MATCHES "GLM_VERSION_MINOR[ \t]+([0-9]+)")
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set(_GLM_VERSION_MINOR ${CMAKE_MATCH_1})
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elseif(_line MATCHES "GLM_VERSION_PATCH[ \t]+([0-9]+)")
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set(_GLM_VERSION_PATCH ${CMAKE_MATCH_1})
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elseif(_line MATCHES "GLM_VERSION_REVISION[ \t]+([0-9]+)")
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set(_GLM_VERSION_REVISION ${CMAKE_MATCH_1})
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endif()
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endforeach()
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set(GLM_VERSION "${_GLM_VERSION_MAJOR}.${_GLM_VERSION_MINOR}.${_GLM_VERSION_PATCH}.${_GLM_VERSION_REVISION}")
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLM
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REQUIRED_VARS
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GLM_INCLUDE_DIR
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GLM_VERSION
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VERSION_VAR GLM_VERSION)
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mark_as_advanced(GLM_INCLUDE_DIR)
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set(GLM_VERSION_MAJOR ${_GLM_VERSION_MAJOR} CACHE INTERNAL "")
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set(GLM_VERSION_MINOR ${_GLM_VERSION_MINOR} CACHE INTERNAL "")
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set(GLM_VERSION_PATCH ${_GLM_VERSION_PATCH} CACHE INTERNAL "")
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set(GLM_VERSION_TWEAK ${_GLM_VERSION_REVISION} CACHE INTERNAL "")
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