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cmake_minimum_required(VERSION 3.5) | 
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# RCSid $Id$ | 
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cmake_minimum_required(VERSION 3.12) | 
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cmake_policy(SET CMP0020 NEW) | 
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cmake_policy(SET CMP0048 NEW) | 
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if(NOT ${CMAKE_VERSION} VERSION_LESS "3.1") | 
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  cmake_policy(SET CMP0054 NEW) | 
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cmake_policy(SET CMP0054 NEW) | 
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cmake_policy(SET CMP0074 NEW) | 
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# project-defined modules | 
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set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/resources/cmake/modules") | 
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set(SUPPORTED_LANGUAGES C CXX) | 
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# Get the project version. | 
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set(VERSIONFILE "${CMAKE_CURRENT_LIST_DIR}/src/rt/VERSION") | 
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if(EXISTS ${VERSIONFILE}) | 
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  file(READ  ${VERSIONFILE} NAMEVERSION) | 
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  if(${NAMEVERSION} MATCHES "^([A-Za-z]+) +([0-9]+\\.[0-9]+)") | 
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    # project name must be lower case, or the CPack module fails | 
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    string(TOLOWER ${CMAKE_MATCH_1} PROGNAME) | 
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    project(${PROGNAME} VERSION ${CMAKE_MATCH_2} LANGUAGES ${SUPPORTED_LANGUAGES}) | 
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  endif() | 
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else() | 
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    project(radiance LANGUAGES ${SUPPORTED_LANGUAGES}) | 
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endif() | 
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project(radiance VERSION 5.2.0) | 
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message("Project: " ${CMAKE_PROJECT_NAME} " " ${PROJECT_VERSION}) | 
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set(PROJECT_VERSION_TWEAK "Unknown" CACHE STRING "Commit Hash") | 
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find_package(Git) | 
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if(APPLE) | 
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  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c11 -std=c++11 -stdlib=libc++") | 
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  add_compile_options(-O2 -DBSD -DNOSTEREO -Dfreebsd) | 
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  add_definitions(-DBSD -DNOSTEREO -Dfreebsd) | 
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  set(CMAKE_OSX_DEPLOYMENT_TARGET "10.7") | 
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  set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13") | 
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endif() | 
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if(BUILD_LIBTIFF) | 
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  include(ExternalProject) | 
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  set(LIBTIFF_URL http://download.osgeo.org/libtiff/tiff-4.0.9.tar.gz) | 
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  set(LIBTIFF_MD5 54BAD211279CC93EB4FCA31BA9BFDC79) | 
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  set(LIBTIFF_URL http://download.osgeo.org/libtiff/tiff-4.7.0.tar.gz) | 
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  set(LIBTIFF_MD5 3A0FA4A270A4A192B08913F88D0CFBDD) | 
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  if(WIN32) | 
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    ExternalProject_Add(libtiff | 
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      URL ${LIBTIFF_URL} | 
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      URL_MD5 ${LIBTIFF_MD5} | 
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      CMAKE_GENERATOR "NMake Makefiles" | 
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      CMAKE_ARGS | 
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        "-UHAVE_UNISTD_H" | 
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        "-DBUILD_SHARED_LIBS=OFF" | 
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        "-DCMAKE_BUILD_TYPE=Release" | 
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        "-Djpeg=OFF" | 
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        "-Dzlib=OFF" | 
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        "-Dwebp=OFF" | 
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        "-Dlzma=OFF" | 
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        "-Dtiff-tools=OFF" | 
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        "-Dtiff-tests=OFF" | 
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        "-Dtiff-docs=OFF" | 
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        "../libtiff" | 
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      INSTALL_COMMAND "" | 
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    ) | 
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      CMAKE_ARGS | 
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        "-DBUILD_SHARED_LIBS=OFF" | 
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        "-DCMAKE_BUILD_TYPE=Release" | 
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        "-Djpeg=OFF" | 
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        "-Dzlib=OFF" | 
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        "-Dwebp=OFF" | 
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        "-Dlzma=OFF" | 
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        "-Dtiff-tools=OFF" | 
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        "-Dtiff-tests=OFF" | 
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        "-Dtiff-docs=OFF" | 
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        "../libtiff" | 
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      INSTALL_COMMAND "" | 
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    ) | 
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    get_filename_component(QT_LIBRARY_DIR ${QT_LIBRARY_DIR} PATH) | 
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    get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/.." ABSOLUTE) | 
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  endif() | 
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  if(APPLE) | 
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    set(X11_ROOT "/opt/X11") | 
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  endif() | 
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  find_package(X11) | 
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  if(APPLE) | 
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     include_directories(${X11_INCLUDE_DIR}) | 
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  endif() | 
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   endif() | 
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   if(APPLE AND X11_FOUND) | 
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     set(CMAKE_FIND_FRAMEWORK NEVER) | 
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     set(OpenGL_ROOT "/opt/X11") | 
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     find_package(OpenGL) | 
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     set(CMAKE_FIND_FRAMEWORK "") | 
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   else() | 
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     find_package(OpenGL) | 
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   endif() | 
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endif() | 
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set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin) |