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+cmake_minimum_required(VERSION 3.1)
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+
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+### Available options ###
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+option(LIBIGL_USE_STATIC_LIBRARY "Use libigl as static library" OFF)
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+option(LIBIGL_WITH_ANTTWEAKBAR "Use AntTweakBar" OFF)
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+option(LIBIGL_WITH_CGAL "Use CGAL" ON)
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+option(LIBIGL_WITH_COMISO "Use CoMiso" ON)
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+option(LIBIGL_WITH_CORK "Use Cork" OFF)
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+option(LIBIGL_WITH_EMBREE "Use Embree" OFF)
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+option(LIBIGL_WITH_LIM "Use LIM" ON)
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+option(LIBIGL_WITH_MATLAB "Use Matlab" ON)
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+option(LIBIGL_WITH_MOSEK "Use MOSEK" ON)
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+option(LIBIGL_WITH_NANOGUI "Use Nanogui menu" OFF)
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+option(LIBIGL_WITH_OPENGL "Use OpenGL" ON)
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+option(LIBIGL_WITH_OPENGL_GLFW "Use GLFW" ON)
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+option(LIBIGL_WITH_PNG "Use PNG" ON)
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+option(LIBIGL_WITH_TETGEN "Use Tetgen" ON)
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+option(LIBIGL_WITH_TRIANGLE "Use Triangle" ON)
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+option(LIBIGL_WITH_VIEWER "Use OpenGL viewer" ON)
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+option(LIBIGL_WITH_XML "Use XML" ON)
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+option(LIBIGL_WITH_PYTHON "Use Python" OFF)
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+
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+if(LIBIGL_WITH_VIEWER AND (NOT LIBIGL_WITH_OPENGL_GLFW OR NOT LIBIGL_WITH_OPENGL) )
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+ message(FATAL_ERROR "LIBIGL_WITH_VIEWER=ON requires LIBIGL_WITH_OPENGL_GLFW=ON and LIBIGL_WITH_OPENGL=ON")
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+endif()
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+
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+################################################################################
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+
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+### Configuration
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+set(LIBIGL_ROOT "${CMAKE_CURRENT_LIST_DIR}/../..")
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+set(LIBIGL_SOURCE_DIR "${LIBIGL_ROOT}/include")
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+set(LIBIGL_EXTERNAL "${LIBIGL_ROOT}/external")
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+
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+### Multiple dependencies are buried in Nanogui
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+set(NANOGUI_DIR "${LIBIGL_EXTERNAL}/nanogui")
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+
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+# Dependencies are linked as INTERFACE targets unless libigl is compiled as a static library
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+if(LIBIGL_USE_STATIC_LIBRARY)
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+ set(IGL_SCOPE PUBLIC)
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+else()
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+ set(IGL_SCOPE INTERFACE)
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+endif()
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+
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+################################################################################
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+### IGL Common
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+################################################################################
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+
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+add_library(igl_common INTERFACE)
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+target_include_directories(igl_common SYSTEM INTERFACE ${LIBIGL_SOURCE_DIR})
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+if(LIBIGL_USE_STATIC_LIBRARY)
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+ target_compile_definitions(igl_common INTERFACE -DIGL_STATIC_LIBRARY)
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+endif()
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+
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+# Transitive C++11 flags
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+include(CXXFeatures)
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+target_compile_features(igl_common INTERFACE ${CXX11_FEATURES})
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+
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+# Other compilation flags
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+if(MSVC)
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+ # Enable parallel compilation for Visual Studio
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+ target_compile_options(igl_common INTERFACE /MP /bigobj)
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+endif()
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+
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+if(BUILD_SHARED_LIBS)
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+ # Generate position independent code
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+ set_target_properties(igl_common PROPERTIES INTERFACE_POSITION_INDEPENDENT_CODE ON)
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+endif()
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+
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+# Eigen
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+if(TARGET Eigen3::Eigen)
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+ # If an imported target already exists, use it
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+ target_link_libraries(igl_common INTERFACE Eigen3::Eigen)
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+else()
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+ target_include_directories(igl_common SYSTEM INTERFACE ${NANOGUI_DIR}/ext/eigen)
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+endif()
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+
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+################################################################################
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+
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+function(compile_igl_module module_dir prefix)
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+ string(REPLACE "/" "_" module_name "${module_dir}")
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+ if(LIBIGL_USE_STATIC_LIBRARY)
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+ file(GLOB SOURCES_IGL_${module_name}
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+ "${LIBIGL_SOURCE_DIR}/igl/${prefix}/${module_dir}/*.cpp")
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+ add_library(igl_${module_name} STATIC ${SOURCES_IGL_${module_name}} ${ARGN})
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+ if(MSVC)
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+ target_compile_options(igl_${module_name} PRIVATE /w) # disable all warnings (not ideal but...)
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+ else()
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+ #target_compile_options(igl_${module_name} PRIVATE -w) # disable all warnings (not ideal but...)
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+ endif()
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+ else()
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+ add_library(igl_${module_name} INTERFACE)
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+ endif()
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+
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+ target_link_libraries(igl_${module_name} ${IGL_SCOPE} igl_common)
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+ if(NOT module_name STREQUAL "core")
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+ target_link_libraries(igl_${module_name} ${IGL_SCOPE} igl_core)
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+ endif()
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+
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+ # Alias target because it looks nicer
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+ message(STATUS "Creating target: igl::${module_name}")
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+ add_library(igl::${module_name} ALIAS igl_${module_name})
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+endfunction()
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+
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+################################################################################
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+### IGL Core
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+################################################################################
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+
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+if(LIBIGL_USE_STATIC_LIBRARY)
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+ file(GLOB SOURCES_IGL
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+ "${LIBIGL_SOURCE_DIR}/igl/*.cpp"
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+ "${LIBIGL_SOURCE_DIR}/igl/copyleft/*.cpp")
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+endif()
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+compile_igl_module("core" "" ${SOURCES_IGL})
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+
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+################################################################################
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+## Compile the AntTweakBar part ###
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+if(LIBIGL_WITH_ANTTWEAKBAR)
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+ set(ANTTWEAKBAR_DIR "${LIBIGL_EXTERNAL}/AntTweakBar")
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+ if(NOT TARGET AntTweakBar)
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+ add_subdirectory("${ANTTWEAKBAR_DIR}" AntTweakBar)
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+ endif()
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+ compile_igl_module("anttweakbar" "")
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+ target_link_libraries(igl_anttweakbar ${IGL_SCOPE} AntTweakBar)
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+endif()
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+
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+################################################################################
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+### Compile the cgal parts ###
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+if(LIBIGL_WITH_CGAL)
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+ # CGAL Core is needed for
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+ # `Exact_predicates_exact_constructions_kernel_with_sqrt`
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+ find_package(CGAL COMPONENTS Core)
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+ if(CGAL_FOUND)
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+ compile_igl_module("cgal" "copyleft/")
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+ find_package(Boost 1.48 REQUIRED thread system)
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+ target_link_libraries(igl_cgal ${IGL_SCOPE} CGAL::CGAL CGAL::CGAL_Core ${Boost_LIBRARIES})
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+ else()
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+ set(LIBIGL_WITH_CGAL OFF CACHE BOOL "" FORCE)
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+ endif()
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+endif()
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+
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+################################################################################
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+# Compile CoMISo
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+# NOTE: this cmakefile works only with the
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+# comiso available here: https://github.com/libigl/CoMISo
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+if(LIBIGL_WITH_COMISO)
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+ compile_igl_module("comiso" "copyleft/")
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+ if(NOT TARGET CoMISo)
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+ add_subdirectory("${LIBIGL_EXTERNAL}/CoMISo" CoMISo)
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+ endif()
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+ target_link_libraries(igl_comiso ${IGL_SCOPE} CoMISo)
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+endif()
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+
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+################################################################################
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+### Compile the cork parts ###
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+if(LIBIGL_WITH_CORK)
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+ set(CORK_DIR "${LIBIGL_EXTERNAL}/cork")
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+ if(NOT TARGET cork)
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+ # call this "lib-cork" instead of "cork", otherwise cmake gets confused about
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+ # "cork" executable
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+ add_subdirectory("${CORK_DIR}" "lib-cork")
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+ endif()
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+ compile_igl_module("cork" "copyleft/")
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+ target_include_directories(igl_cork ${IGL_SCOPE} cork)
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+ target_include_directories(igl_cork ${IGL_SCOPE} "${CORK_DIR}/src")
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+endif()
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+
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+################################################################################
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+### Compile the embree part ###
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+if(LIBIGL_WITH_EMBREE)
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+ set(EMBREE_DIR "${LIBIGL_EXTERNAL}/embree")
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+
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+ set(EMBREE_ISPC_SUPPORT OFF CACHE BOOL " " FORCE)
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+ set(EMBREE_TASKING_SYSTEM "INTERNAL" CACHE BOOL " " FORCE)
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+ set(EMBREE_TUTORIALS OFF CACHE BOOL " " FORCE)
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+ set(EMBREE_MAX_ISA NONE CACHE STRINGS " " FORCE)
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+
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+ # set(ENABLE_INSTALLER OFF CACHE BOOL " " FORCE)
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+ if(MSVC)
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+ # set(EMBREE_STATIC_RUNTIME OFF CACHE BOOL " " FORCE)
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+ set(EMBREE_STATIC_LIB OFF CACHE BOOL " " FORCE)
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+ else()
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+ set(EMBREE_STATIC_LIB ON CACHE BOOL " " FORCE)
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+ endif()
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+
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+ if(NOT TARGET embree)
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+ add_subdirectory("${EMBREE_DIR}" "embree")
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+ endif()
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+
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+ if(MSVC)
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+ add_custom_target(Copy-Embree-DLL ALL # Adds a post-build event
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+ COMMAND ${CMAKE_COMMAND} -E copy_if_different # which executes "cmake - E
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+ $<TARGET_FILE:embree> # <--this is in-file
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+ "${CMAKE_BINARY_DIR}" # <--this is out-file path
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+ DEPENDS embree) # Execute after embree target has been built
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+ endif()
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+
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+ compile_igl_module("embree" "")
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+ target_link_libraries(igl_embree ${IGL_SCOPE} embree)
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+ target_include_directories(igl_embree ${IGL_SCOPE} ${EMBREE_DIR}/include)
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+ if(NOT MSVC)
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+ target_compile_definitions(igl_embree ${IGL_SCOPE} -DENABLE_STATIC_LIB)
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+ endif()
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+endif()
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+
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+################################################################################
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+### Compile the lim part ###
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+if(LIBIGL_WITH_LIM)
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+ set(LIM_DIR "${LIBIGL_EXTERNAL}/lim")
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+ if(NOT TARGET lim)
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+ add_subdirectory("${LIM_DIR}" "lim")
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+ endif()
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+ compile_igl_module("lim" "")
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+ target_link_libraries(igl_lim ${IGL_SCOPE} lim)
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+ target_include_directories(igl_lim ${IGL_SCOPE} ${LIM_DIR})
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+endif()
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+
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+################################################################################
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+### Compile the matlab part ###
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+if(LIBIGL_WITH_MATLAB)
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+ find_package(MATLAB)
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+ if(MATLAB_FOUND)
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+ compile_igl_module("matlab" "")
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+ target_link_libraries(igl_matlab ${IGL_SCOPE} ${MATLAB_LIBRARIES})
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+ target_include_directories(igl_matlab ${IGL_SCOPE} ${MATLAB_INCLUDE_DIR})
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+ else()
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+ set(LIBIGL_WITH_MATLAB OFF CACHE BOOL "" FORCE)
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+ endif()
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+endif()
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+
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+################################################################################
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+### Compile the mosek part ###
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+if(LIBIGL_WITH_MOSEK)
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+ find_package(MOSEK)
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+ if(MOSEK_FOUND)
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+ compile_igl_module("mosek" "")
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+ target_link_libraries(igl_mosek ${IGL_SCOPE} ${MOSEK_LIBRARIES})
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+ target_include_directories(igl_mosek ${IGL_SCOPE} ${MOSEK_INCLUDE_DIRS})
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+ target_compile_definitions(igl_mosek ${IGL_SCOPE} -DLIBIGL_WITH_MOSEK)
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+ else()
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+ set(LIBIGL_WITH_MOSEK OFF CACHE BOOL "" FORCE)
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+ endif()
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+endif()
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+
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+################################################################################
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+### Compile the opengl parts ###
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+
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+if(LIBIGL_WITH_OPENGL)
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+ # OpenGL modules
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+ find_package(OpenGL REQUIRED)
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+ compile_igl_module("opengl" "")
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+ compile_igl_module("opengl2" "")
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+ target_link_libraries(igl_opengl ${IGL_SCOPE} ${OPENGL_gl_LIBRARY})
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+ target_link_libraries(igl_opengl2 ${IGL_SCOPE} ${OPENGL_gl_LIBRARY})
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+ target_include_directories(igl_opengl SYSTEM ${IGL_SCOPE} ${OPENGL_INCLUDE_DIR})
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+ target_include_directories(igl_opengl2 SYSTEM ${IGL_SCOPE} ${OPENGL_INCLUDE_DIR})
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+
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+ # GLEW for linux and windows
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+ if(NOT TARGET glew)
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+ add_library(glew STATIC ${NANOGUI_DIR}/ext/glew/src/glew.c)
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+ target_include_directories(glew SYSTEM PUBLIC ${NANOGUI_DIR}/ext/glew/include)
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+ target_compile_definitions(glew PUBLIC -DGLEW_BUILD -DGLEW_NO_GLU)
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+ endif()
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+ target_link_libraries(igl_opengl ${IGL_SCOPE} glew)
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+ target_link_libraries(igl_opengl2 ${IGL_SCOPE} glew)
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+
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+ # Nanogui
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+ if(LIBIGL_WITH_NANOGUI)
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+ if(LIBIGL_WITH_PYTHON)
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+ set(NANOGUI_BUILD_PYTHON ON CACHE BOOL " " FORCE)
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+ else()
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+ set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL " " FORCE)
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+ endif()
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+ set(NANOGUI_BUILD_EXAMPLE OFF CACHE BOOL " " FORCE)
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+ set(NANOGUI_BUILD_SHARED OFF CACHE BOOL " " FORCE)
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+ add_subdirectory(${NANOGUI_DIR} nanogui)
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+ target_include_directories(nanogui PUBLIC
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+ "${NANOGUI_DIR}/include"
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+ "${NANOGUI_DIR}/ext/nanovg/src")
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+ endif()
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+
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+ # GLFW module
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+ if(LIBIGL_WITH_OPENGL_GLFW)
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+ compile_igl_module("opengl/glfw" "")
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+ if(NOT TARGET glfw)
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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_BUILD_INSTALL OFF CACHE BOOL " " FORCE)
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+ add_subdirectory(${NANOGUI_DIR}/ext/glfw glfw)
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+ endif()
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+ target_include_directories(glfw ${IGL_SCOPE} ${NANOGUI_DIR}/ext/glfw/include)
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+ target_link_libraries(igl_opengl_glfw ${IGL_SCOPE} igl_opengl glfw)
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+ endif()
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+
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+ # Viewer module
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+ if(LIBIGL_WITH_VIEWER)
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+ compile_igl_module("viewer" "")
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+ target_link_libraries(igl_viewer ${IGL_SCOPE} igl_core glfw glew ${OPENGL_gl_LIBRARY})
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+ target_include_directories(igl_viewer SYSTEM ${IGL_SCOPE} ${OPENGL_INCLUDE_DIR})
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+ if(TARGET nanogui)
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+ target_link_libraries(igl_viewer ${IGL_SCOPE} nanogui)
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+ target_compile_definitions(igl_viewer ${IGL_SCOPE} -DIGL_VIEWER_WITH_NANOGUI)
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+ endif()
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+ endif()
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+
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+endif()
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+
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+################################################################################
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+### Compile the png parts ###
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+if(LIBIGL_WITH_PNG)
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+ if(TARGET igl_opengl)
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+ set(STB_IMAGE_DIR "${LIBIGL_EXTERNAL}/stb_image")
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+ if(NOT TARGET stb_image)
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+ add_subdirectory("${STB_IMAGE_DIR}" "stb_image")
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+ endif()
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+ compile_igl_module("png" "")
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+ target_link_libraries(igl_png ${IGL_SCOPE} igl_stb_image igl_opengl)
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+ else()
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+ set(LIBIGL_WITH_PNG OFF CACHE BOOL "" FORCE)
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+ endif()
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+endif()
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+
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+################################################################################
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+### Compile the tetgen part ###
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+if(LIBIGL_WITH_TETGEN)
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+ set(TETGEN_DIR "${LIBIGL_EXTERNAL}/tetgen")
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+ if(NOT TARGET tetgen)
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+ add_subdirectory("${TETGEN_DIR}" "tetgen")
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+ endif()
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+ compile_igl_module("tetgen" "copyleft/")
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+ target_link_libraries(igl_tetgen ${IGL_SCOPE} tetgen)
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+ target_include_directories(igl_tetgen ${IGL_SCOPE} ${TETGEN_DIR})
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+endif()
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+
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+################################################################################
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+### Compile the triangle part ###
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+if(LIBIGL_WITH_TRIANGLE)
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+ set(TRIANGLE_DIR "${LIBIGL_EXTERNAL}/triangle")
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+ if(NOT TARGET triangle)
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+ add_subdirectory("${TRIANGLE_DIR}" "triangle")
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+ endif()
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+ compile_igl_module("triangle" "")
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+ target_link_libraries(igl_triangle ${IGL_SCOPE} triangle)
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+ target_include_directories(igl_triangle ${IGL_SCOPE} ${TRIANGLE_DIR})
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+endif()
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+
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+################################################################################
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+### Compile the xml part ###
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+if(LIBIGL_WITH_XML)
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+ set(TINYXML2_DIR "${LIBIGL_EXTERNAL}/tinyxml2")
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+ if(NOT TARGET tinyxml2)
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+ add_library(tinyxml2 STATIC ${TINYXML2_DIR}/tinyxml2.cpp ${TINYXML2_DIR}/tinyxml2.h)
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+ target_include_directories(tinyxml2 PUBLIC ${TINYXML2_DIR})
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+ set_target_properties(tinyxml2 PROPERTIES
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+ COMPILE_DEFINITIONS "TINYXML2_EXPORT"
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+ VERSION "3.0.0"
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+ SOVERSION "3")
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|
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+ endif()
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|
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+ compile_igl_module("xml" "")
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+ target_link_libraries(igl_xml ${IGL_SCOPE} tinyxml2)
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|
|
+endif()
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|
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+
|