41 lines
1.5 KiB
CMake
41 lines
1.5 KiB
CMake
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if(NOT DEPENDENCIES_FORCE_DOWNLOAD AND NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/_deps/glm-external-src")
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find_package(glm CONFIG)
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# NOTE 1: GLM 0.9.9.0 in Ubuntu 18.04 repo doesn't install the IMPORTED
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# INTERFACE target, only the legacy variable is defined in glm-config.cmake
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# NOTE 2: auto-fetched subproject build doesn't define the (legacy) variable
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# anymore, only the INTERFACE target
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#
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# To avoid every test depening on GLM define their deps using
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#
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# add_sample(
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# LIBS
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# $<$<TARGET_EXISTS:glm::glm>:glm::glm>
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# INCLUDES
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# $<$<NOT:$<TARGET_EXISTS:glm::glm>>:"${GLM_INCLUDE_DIRS}">
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# )
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#
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# we create the INTERFACE target in case it didn't exist.
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if(glm_FOUND AND NOT TARGET glm::glm)
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add_library(glm::glm INTERFACE)
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target_include_directories(glm::glm INTERFACE "${GLM_INCLUDE_DIRS}")
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endif()
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endif()
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if(NOT (glm_FOUND OR TARGET glm::glm))
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if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/_deps/glm-external-src")
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if(DEPENDENCIES_FORCE_DOWNLOAD)
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message(STATUS "DEPENDENCIES_FORCE_DOWNLOAD is ON. Fetching glm.")
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else()
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message(STATUS "Fetching glm.")
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endif()
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message(STATUS "Adding glm subproject: ${CMAKE_CURRENT_BINARY_DIR}/_deps/glm-external-src")
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endif()
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cmake_minimum_required(VERSION 3.11)
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include(FetchContent)
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FetchContent_Declare(
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glm-external
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GIT_REPOSITORY https://github.com/g-truc/glm
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GIT_TAG 0.9.9.8 # e79109058964d8d18b8a3bb7be7b900be46692ad
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)
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FetchContent_MakeAvailable(glm-external)
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endif()
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