libiglfoo.a --> libigl_foo.a, acknowledge that viewer needs opengl and glfw in cmake

optional/CMakeLists.txt

@@ -37,6 +37,7 @@ option(LIBIGL_WITH_MOSEK            "Use MOSEK"          "${MOSEK_FOUND}")
 ### many issues
 option(LIBIGL_WITH_NANOGUI          "Use Nanogui menu"   OFF)
 option(LIBIGL_WITH_OPENGL           "Use OpenGL"         ON)
+option(LIBIGL_WITH_OPENGL_GLFW      "Use GLFW"           ON)
 option(LIBIGL_WITH_PNG              "Use PNG"            ON)
 option(LIBIGL_WITH_TETGEN           "Use Tetgen"         ON)
 option(LIBIGL_WITH_TRIANGLE         "Use Triangle"       ON)

shared/cmake/CMakeLists.txt

@@ -13,6 +13,7 @@ option(LIBIGL_WITH_MATLAB           "Use Matlab"         OFF)
 option(LIBIGL_WITH_MOSEK            "Use MOSEK"          OFF)
 option(LIBIGL_WITH_NANOGUI          "Use Nanogui menu"   OFF)
 option(LIBIGL_WITH_OPENGL           "Use OpenGL"         OFF)
+option(LIBIGL_WITH_OPENGL_GLFW      "Use GLFW"           OFF)
 option(LIBIGL_WITH_PNG              "Use PNG"            OFF)
 option(LIBIGL_WITH_TETGEN           "Use Tetgen"         OFF)
 option(LIBIGL_WITH_TRIANGLE         "Use Triangle"       OFF)
@@ -20,6 +21,10 @@ option(LIBIGL_WITH_VIEWER           "Use OpenGL viewer"  OFF)
 option(LIBIGL_WITH_XML              "Use XML"            OFF)
 option(LIBIGL_WITH_PYTHON           "Use Python"         OFF)
 
+if(LIBIGL_WITH_VIEWER AND (NOT LIBIGL_WITH_OPENGL_GLFW OR NOT LIBIGL_WITH_OPENGL) )
+  message(FATAL_ERROR "LIBIGL_WITH_VIEWER=ON requires LIBIGL_WITH_OPENGL_GLFW=ON and LIBIGL_WITH_OPENGL=ON")
+endif()
+
 ### Compilation configuration ###
 if(MSVC)
   ### Enable parallel compilation for Visual Studio
@@ -56,33 +61,26 @@ set(LIBIGL_ROOT "${PROJECT_SOURCE_DIR}/../..")
 set(LIBIGL_SOURCE_DIR "${LIBIGL_ROOT}/include")
 set(LIBIGL_EXTERNAL "${LIBIGL_ROOT}/external")
 
+### Multiple dependencies are buried in Nanogui
+set(NANOGUI_DIR "${LIBIGL_EXTERNAL}/nanogui")
+
 ### Eigen ###
-set(EIGEN_INCLUDE_DIR "${LIBIGL_EXTERNAL}/nanogui/ext/eigen")
+set(EIGEN_INCLUDE_DIR "${NANOGUI_DIR}/ext/eigen")
 list(APPEND LIBIGL_INCLUDE_DIRS "${EIGEN_INCLUDE_DIR}")
 
-macro(CompileIGL_Module module)
-  file(GLOB SOURCES_IGL_${module}
-  "${LIBIGL_SOURCE_DIR}/igl/${module}/*.cpp"
+macro(CompileIGL_Module module_dir prefix)
+  string(REPLACE "/" "_" module_name "${module_dir}")
+  file(GLOB SOURCES_IGL_${module_name}
+  "${LIBIGL_SOURCE_DIR}/igl/${prefix}/${module_dir}/*.cpp"
   )
-  add_library(igl${module} STATIC ${SOURCES_IGL_${module}})
-  target_include_directories(igl${module} PRIVATE ${EIGEN_INCLUDE_DIR})
-  target_include_directories(igl${module} PRIVATE ${LIBIGL_SOURCE_DIR})
-  target_compile_definitions(igl${module} PRIVATE -DIGL_STATIC_LIBRARY)
-  list(APPEND LIBIGL_LIBRARIES "igl${module}")
+  set(module_lib_name igl_${module_name})
+  add_library(${module_lib_name} STATIC ${SOURCES_IGL_${module_name}})
+  target_include_directories(${module_lib_name} PRIVATE ${EIGEN_INCLUDE_DIR})
+  target_include_directories(${module_lib_name} PRIVATE ${LIBIGL_SOURCE_DIR})
+  target_compile_definitions(${module_lib_name} PRIVATE -DIGL_STATIC_LIBRARY)
+  list(APPEND LIBIGL_LIBRARIES "${module_lib_name}")
 endmacro()
 
-macro(CompileIGL_Module_Copyleft module)
-  file(GLOB SOURCES_IGL_${module}
-  "${LIBIGL_SOURCE_DIR}/igl/copyleft/${module}/*.cpp"
-  )
-  add_library(igl${module} STATIC ${SOURCES_IGL_${module}})
-  target_include_directories(igl${module} PRIVATE ${EIGEN_INCLUDE_DIR})
-  target_include_directories(igl${module} PRIVATE ${LIBIGL_SOURCE_DIR})
-  target_compile_definitions(igl${module} PRIVATE -DIGL_STATIC_LIBRARY)
-  list(APPEND LIBIGL_LIBRARIES "igl${module}")
-endmacro()
-
-
 ### IGL Common ###
 list(APPEND LIBIGL_INCLUDE_DIRS "${LIBIGL_SOURCE_DIR}")
 if(LIBIGL_USE_STATIC_LIBRARY)
@@ -147,9 +145,8 @@ if(LIBIGL_WITH_ANTTWEAKBAR)
   set(LIBIGL_ANTTWEAKBAR_EXTRA_LIBRARIES "AntTweakBar")
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_ANTTWEAKBAR_EXTRA_LIBRARIES})
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("anttweakbar")
-    target_include_directories(iglanttweakbar PRIVATE
-      ${ANTTWEAKBAR_INCLUDE_DIR})
+    CompileIGL_Module("anttweakbar" "")
+    target_include_directories(igl_anttweakbar PRIVATE ${ANTTWEAKBAR_INCLUDE_DIR})
   endif()
 endif()
 
@@ -167,8 +164,8 @@ if(LIBIGL_WITH_CGAL) # to be cleaned
   list(APPEND LIBIGL_CGAL_EXTRA_LIBRARIES ${CGAL_LIBRARIES})
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_CGAL_EXTRA_LIBRARIES})
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module_Copyleft("cgal")
-    target_include_directories(iglcgal PRIVATE
+    CompileIGL_Module("cgal" "copyleft/")
+    target_include_directories(igl_cgal PRIVATE
       ${CGAL_3RD_PARTY_INCLUDE_DIRS}
       ${CGAL_INCLUDE_DIRS})
   endif()
@@ -216,9 +213,9 @@ if(LIBIGL_WITH_COMISO)
         "${CMAKE_CURRENT_BINARY_DIR}/../libquadmath-0.dll")
   endif()
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module_Copyleft("comiso")
-    target_include_directories(iglcomiso PRIVATE ${COMISO_INCLUDE_DIRS})
-    target_compile_definitions(iglcomiso PRIVATE -DINCLUDE_TEMPLATES)
+    CompileIGL_Module("comiso" "copyleft/")
+    target_include_directories(igl_comiso PRIVATE ${COMISO_INCLUDE_DIRS})
+    target_compile_definitions(igl_comiso PRIVATE -DINCLUDE_TEMPLATES)
   endif()
 endif()
 
@@ -233,9 +230,8 @@ if(LIBIGL_WITH_CORK)
   list(APPEND LIBIGL_CORK_EXTRA_LIBRARIES "cork")
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_CORK_EXTRA_LIBRARIES})
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module_Copyleft("cork")
-    target_include_directories(iglcork PRIVATE
-      ${CORK_INCLUDE_DIR})
+    CompileIGL_Module("cork" "copyleft/")
+    target_include_directories(igl_cork PRIVATE ${CORK_INCLUDE_DIR})
   endif()
 endif()
 
@@ -259,9 +255,9 @@ if(LIBIGL_WITH_EMBREE)
   list(APPEND LIBIGL_DEFINITIONS "-DENABLE_STATIC_LIB")
 
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("embree")
-    target_include_directories(iglembree PRIVATE ${EMBREE_DIR}/include)
-    target_compile_definitions(iglembree PRIVATE -DENABLE_STATIC_LIB)
+    CompileIGL_Module("embree" "")
+    target_include_directories(igl_embree PRIVATE ${EMBREE_DIR}/include)
+    target_compile_definitions(igl_embree PRIVATE -DENABLE_STATIC_LIB)
   endif()
 endif()
 
@@ -279,8 +275,8 @@ if(LIBIGL_WITH_LIM)
   list(APPEND LIBIGL_EXTRA_LIBRARIES "${LIBIGL_LIM_EXTRA_LIBRARIES}")
 
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("lim")
-    target_include_directories(igllim PRIVATE ${LIM_DIR})
+    CompileIGL_Module("lim" "")
+    target_include_directories(igl_lim PRIVATE ${LIM_DIR})
   endif()
 endif()
 
@@ -292,8 +288,8 @@ if(LIBIGL_WITH_MATLAB)
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_MATLAB_EXTRA_LIBRARIES})
 
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("matlab")
-    target_include_directories(iglmatlab PRIVATE ${MATLAB_INCLUDE_DIR})
+    CompileIGL_Module("matlab" "")
+    target_include_directories(igl_matlab PRIVATE ${MATLAB_INCLUDE_DIR})
   endif()
 endif()
 
@@ -304,8 +300,8 @@ if(LIBIGL_WITH_MOSEK)
   list(APPEND LIBIGL_MOSEK_EXTRA_LIBRARIES ${MOSEK_LIBRARIES})
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_MOSEK_EXTRA_LIBRARIES})
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("mosek")
-    target_include_directories(iglmosek PRIVATE ${MOSEK_INCLUDE_DIR})
+    CompileIGL_Module("mosek" "")
+    target_include_directories(igl_mosek PRIVATE ${MOSEK_INCLUDE_DIR})
   endif()
 else()
   list(APPEND LIBIGL_DEFINITIONS "-DIGL_NO_MOSEK")
@@ -313,14 +309,74 @@ endif()
 
 ### Compile the opengl parts ###
 if(LIBIGL_WITH_OPENGL)
+  find_package(OpenGL REQUIRED)
+
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("opengl")
-    CompileIGL_Module("opengl2")
+    CompileIGL_Module("opengl" "")
+    CompileIGL_Module("opengl2" "")
     if(NOT APPLE)
-      target_include_directories(iglopengl PRIVATE "${LIBIGL_EXTERNAL}/nanogui/ext/glew/include")
-      target_include_directories(iglopengl2 PRIVATE "${LIBIGL_EXTERNAL}/nanogui/ext/glew/include")
+      target_include_directories(igl_opengl PRIVATE "${LIBIGL_EXTERNAL}/nanogui/ext/glew/include")
+      target_include_directories(igl_opengl2 PRIVATE "${LIBIGL_EXTERNAL}/nanogui/ext/glew/include")
     endif()
   endif()
+  set(LIBIGL_OPENGL_EXTRA_LIBRARIES ${OPENGL_gl_LIBRARY})
+  list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_OPENGL_EXTRA_LIBRARIES})
+
+  if(LIBIGL_WITH_OPENGL_GLFW)
+    set(GLFW_INCLUDE_DIRS "${NANOGUI_DIR}/ext/glfw/include")
+    if(LIBIGL_USE_STATIC_LIBRARY)
+      CompileIGL_Module("opengl/glfw" "")
+      set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL " " FORCE)
+      set(GLFW_BUILD_TESTS OFF CACHE BOOL " " FORCE)
+      set(GLFW_BUILD_DOCS OFF CACHE BOOL " " FORCE)
+      set(GLFW_BUILD_INSTALL OFF CACHE BOOL " " FORCE)
+      add_subdirectory("${NANOGUI_DIR}/ext/glfw" "glfw")
+      set(LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES "glfw" ${GLFW_LIBRARIES})
+    endif()
+    ### Compile the viewer ###
+    if(LIBIGL_WITH_VIEWER)
+      if(LIBIGL_WITH_NANOGUI)
+        list(APPEND LIBIGL_DEFINITIONS "-DIGL_VIEWER_WITH_NANOGUI")
+        if (LIBIGL_WITH_PYTHON)
+          set(NANOGUI_BUILD_PYTHON ON CACHE BOOL " " FORCE)
+        else()
+          set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL " " FORCE)
+        endif()
+        set(NANOGUI_BUILD_EXAMPLE OFF CACHE BOOL " " FORCE)
+        set(NANOGUI_BUILD_SHARED  OFF CACHE BOOL " " FORCE)
+        add_subdirectory("${NANOGUI_DIR}" "nanogui")
+        set(VIEWER_INCLUDE_DIRS
+          "${NANOGUI_DIR}/include"
+          "${NANOGUI_DIR}/ext/nanovg/src")
+        set(LIBIGL_VIEWER_EXTRA_LIBRARIES "nanogui" ${NANOGUI_EXTRA_LIBS})
+      else()
+        set(VIEWER_INCLUDE_DIRS "${NANOGUI_DIR}/ext/glfw/include")
+      endif()
+      list(APPEND VIEWER_INCLUDE_DIRS ${GLFW_INCLUDE_DIRS})
+      list(APPEND LIBIGL_INCLUDE_DIRS ${VIEWER_INCLUDE_DIRS})
+      list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+      if(LIBIGL_USE_STATIC_LIBRARY)
+        CompileIGL_Module("viewer" "")
+        if(LIBIGL_WITH_NANOGUI)
+          target_compile_definitions(igl_viewer PRIVATE -DIGL_VIEWER_WITH_NANOGUI)
+        endif()
+        target_include_directories(igl_viewer PRIVATE ${VIEWER_INCLUDE_DIRS})
+      endif()
+    endif()
+  endif()
+
+  ### GLEW for linux and windows
+  if((UNIX AND NOT APPLE) OR WIN32) ### Compile glew if needed
+    set(GLEW_INSTALL OFF CACHE BOOL " " FORCE)
+    add_subdirectory("${NANOGUI_DIR}/ext/glew" "glew")
+  endif()
+  if(NOT APPLE)
+    list(APPEND GLFW_INCLUDE_DIRS "${NANOGUI_DIR}/ext/glew/include")
+    list(APPEND LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES "glew")
+  endif()
+  list(APPEND LIBIGL_INCLUDE_DIRS ${GLFW_INCLUDE_DIRS})
+  list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})
+  target_include_directories(igl_opengl_glfw PRIVATE ${GLFW_INCLUDE_DIRS})
 endif()
 
 ### Compile the png parts ###
@@ -334,10 +390,10 @@ if(LIBIGL_WITH_PNG)
   list(APPEND LIBIGL_PNG_EXTRA_LIBRARIES "stb_image")
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_PNG_EXTRA_LIBRARIES})
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("png")
-    target_include_directories(iglpng PRIVATE ${STB_IMAGE_DIR})
+    CompileIGL_Module("png" "")
+    target_include_directories(igl_png PRIVATE ${STB_IMAGE_DIR})
     if(NOT APPLE)
-      target_include_directories(iglpng PRIVATE "${LIBIGL_EXTERNAL}/nanogui/ext/glew/include")
+      target_include_directories(igl_png PRIVATE "${LIBIGL_EXTERNAL}/nanogui/ext/glew/include")
     endif()
   endif()
 endif()
@@ -351,8 +407,8 @@ if(LIBIGL_WITH_TETGEN)
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_TETGEN_EXTRA_LIBRARIES})
 
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module_Copyleft("tetgen")
-    target_include_directories(igltetgen PRIVATE ${TETGEN_DIR})
+    CompileIGL_Module("tetgen" "copyleft/")
+    target_include_directories(igl_tetgen PRIVATE ${TETGEN_DIR})
   endif()
 endif()
 
@@ -365,64 +421,8 @@ if(LIBIGL_WITH_TRIANGLE)
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_TRIANGLE_EXTRA_LIBRARIES})
 
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("triangle")
-    target_include_directories(igltriangle PRIVATE ${TRIANGLE_DIR})
-  endif()
-endif()
-
-### Compile the viewer ###
-if(LIBIGL_WITH_VIEWER)
-  find_package(OpenGL REQUIRED)
-  set(NANOGUI_DIR "${LIBIGL_EXTERNAL}/nanogui")
-
-  if(LIBIGL_WITH_NANOGUI)
-    list(APPEND LIBIGL_DEFINITIONS "-DIGL_VIEWER_WITH_NANOGUI")
-
-    if (LIBIGL_WITH_PYTHON)
-      set(NANOGUI_BUILD_PYTHON ON CACHE BOOL " " FORCE)
-    else()
-      set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL " " FORCE)
-    endif()
-
-    set(NANOGUI_BUILD_EXAMPLE OFF CACHE BOOL " " FORCE)
-    set(NANOGUI_BUILD_SHARED  OFF CACHE BOOL " " FORCE)
-    add_subdirectory("${NANOGUI_DIR}" "nanogui")
-
-    set(VIEWER_INCLUDE_DIRS
-      "${NANOGUI_DIR}/include"
-      "${NANOGUI_DIR}/ext/nanovg/src"
-      "${NANOGUI_DIR}/ext/glfw/include")
-    set(LIBIGL_VIEWER_EXTRA_LIBRARIES "nanogui" ${NANOGUI_EXTRA_LIBS})
-  else()
-    set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL " " FORCE)
-    set(GLFW_BUILD_TESTS OFF CACHE BOOL " " FORCE)
-    set(GLFW_BUILD_DOCS OFF CACHE BOOL " " FORCE)
-    set(GLFW_BUILD_INSTALL OFF CACHE BOOL " " FORCE)
-    add_subdirectory("${NANOGUI_DIR}/ext/glfw" "glfw")
-
-    set(VIEWER_INCLUDE_DIRS "${NANOGUI_DIR}/ext/glfw/include")
-    set(LIBIGL_VIEWER_EXTRA_LIBRARIES "glfw" ${OPENGL_gl_LIBRARY} ${GLFW_LIBRARIES})
-  endif()
-
-  ### GLEW for linux and windows
-  if((UNIX AND NOT APPLE) OR WIN32) ### Compile glew if needed
-    set(GLEW_INSTALL OFF CACHE BOOL " " FORCE)
-    add_subdirectory("${NANOGUI_DIR}/ext/glew" "glew")
-  endif()
-  if(NOT APPLE)
-    list(APPEND VIEWER_INCLUDE_DIRS "${NANOGUI_DIR}/ext/glew/include")
-    list(APPEND LIBIGL_VIEWER_EXTRA_LIBRARIES "glew")
-  endif()
-
-  list(APPEND LIBIGL_INCLUDE_DIRS ${VIEWER_INCLUDE_DIRS})
-  list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
-
-  if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("viewer")
-    if(LIBIGL_WITH_NANOGUI)
-      target_compile_definitions(iglviewer PRIVATE -DIGL_VIEWER_WITH_NANOGUI)
-    endif()
-    target_include_directories(iglviewer PRIVATE ${VIEWER_INCLUDE_DIRS})
+    CompileIGL_Module("triangle" "")
+    target_include_directories(igl_triangle PRIVATE ${TRIANGLE_DIR})
   endif()
 endif()
 
@@ -438,8 +438,8 @@ if(LIBIGL_WITH_XML)
   list(APPEND LIBIGL_XML_EXTRA_LIBRARIES "tinyxml2")
   list(APPEND LIBIGL_EXTRA_LIBRARIES ${LIBIGL_XML_EXTRA_LIBRARIES})
   if(LIBIGL_USE_STATIC_LIBRARY)
-    CompileIGL_Module("xml")
-    target_include_directories(iglxml PRIVATE ${TINYXML2_DIR})
+    CompileIGL_Module("xml" "")
+    target_include_directories(igl_xml PRIVATE ${TINYXML2_DIR})
   endif()
 endif()
 
@@ -466,7 +466,8 @@ if(NOT ${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME})
   set(LIBIGL_MATLAB_EXTRA_LIBRARIES      ${LIBIGL_MATLAB_EXTRA_LIBRARIES}      PARENT_SCOPE)
   set(LIBIGL_MOSEK_EXTRA_LIBRARIES       ${LIBIGL_MOSEK_EXTRA_LIBRARIES}       PARENT_SCOPE)
   set(LIBIGL_NANOGUI_EXTRA_LIBRARIES     ${LIBIGL_NANOGUI_EXTRA_LIBRARIES}     PARENT_SCOPE)
-  #set(LIBIGL_OPENGL_EXTRA_LIBRARIES      ${LIBIGL_OPENGL_EXTRA_LIBRARIES}      PARENT_SCOPE)
+  set(LIBIGL_OPENGL_EXTRA_LIBRARIES      ${LIBIGL_OPENGL_EXTRA_LIBRARIES}     PARENT_SCOPE)
+  set(LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} PARENT_SCOPE)
   set(LIBIGL_PNG_EXTRA_LIBRARIES         ${LIBIGL_PNG_EXTRA_LIBRARIES}         PARENT_SCOPE)
   set(LIBIGL_TETGEN_EXTRA_LIBRARIES      ${LIBIGL_TETGEN_EXTRA_LIBRARIES}      PARENT_SCOPE)
   set(LIBIGL_TRIANGLE_EXTRA_LIBRARIES    ${LIBIGL_TRIANGLE_EXTRA_LIBRARIES}    PARENT_SCOPE)

tutorial/101_FileIO/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/102_DrawMesh/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/103_Events/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/104_Colors/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/105_Overlays/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/106_ViewerMenu/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/201_Normals/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/202_GaussianCurvature/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/203_CurvatureDirections/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/204_Gradient/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/205_Laplacian/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/301_Slice/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/302_Sort/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/303_LaplaceEquation/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/304_LinearEqualityConstraints/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/305_QuadraticProgramming/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/306_EigenDecomposition/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/401_BiharmonicDeformation/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/402_PolyharmonicDeformation/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/403_BoundedBiharmonicWeights/CMakeLists.txt

@@ -5,7 +5,7 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})
 if(LIBIGL_WITH_MOSEK)
   target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_MOSEK_EXTRA_LIBRARIES})
 endif()

tutorial/404_DualQuaternionSkinning/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/405_AsRigidAsPossible/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/406_FastAutomaticSkinningTransformations/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/407_BiharmonicCoordinates/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/501_HarmonicParam/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/502_LSCMParam/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/503_ARAPParam/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/504_NRosyDesign/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_COMISO_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_COMISO_EXTRA_LIBRARIES})

tutorial/505_MIQ/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_COMISO_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_COMISO_EXTRA_LIBRARIES})

tutorial/506_FrameField/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_COMISO_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_COMISO_EXTRA_LIBRARIES})

tutorial/507_PolyVectorField/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/508_ConjugateField/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/509_Planarization/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/510_Integrable/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/601_Serialization/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_XML_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_XML_EXTRA_LIBRARIES})

tutorial/602_Matlab/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_MATLAB_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_MATLAB_EXTRA_LIBRARIES})

tutorial/604_Triangle/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_TRIANGLE_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_TRIANGLE_EXTRA_LIBRARIES})

tutorial/605_Tetgen/CMakeLists.txt

@@ -4,4 +4,4 @@ project(605_Tetgen)
 add_executable(${PROJECT_NAME}_bin main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_TETGEN_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_TETGEN_EXTRA_LIBRARIES})

tutorial/606_AmbientOcclusion/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_EMBREE_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_EMBREE_EXTRA_LIBRARIES})

tutorial/607_ScreenCapture/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_PNG_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_PNG_EXTRA_LIBRARIES})

tutorial/608_LIM/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_LIM_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_LIM_EXTRA_LIBRARIES})

tutorial/609_Boolean/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_CGAL_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_CGAL_EXTRA_LIBRARIES})

tutorial/610_CSGTree/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_CGAL_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_CGAL_EXTRA_LIBRARIES})

tutorial/701_Statistics/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/702_WindingNumber/CMakeLists.txt

@@ -4,4 +4,4 @@ project(702_WindingNumber)
 add_executable(${PROJECT_NAME}_bin main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/703_Decimation/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/704_SignedDistance/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/705_MarchingCubes/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/706_FacetOrientation/CMakeLists.txt

@@ -4,4 +4,4 @@ project(706_FacetOrientation)
 add_executable(${PROJECT_NAME}_bin main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_EMBREE_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES} ${LIBIGL_EMBREE_EXTRA_LIBRARIES})

tutorial/707_SweptVolume/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/708_Picking/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/710_SLIM/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/711_Subdivision/CMakeLists.txt

@@ -5,4 +5,4 @@ add_executable(${PROJECT_NAME}_bin
   main.cpp)
 target_include_directories(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_INCLUDE_DIRS})
 target_compile_definitions(${PROJECT_NAME}_bin PRIVATE ${LIBIGL_DEFINITIONS})
-target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES})
+target_link_libraries(${PROJECT_NAME}_bin ${LIBIGL_LIBRARIES} ${LIBIGL_VIEWER_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_EXTRA_LIBRARIES} ${LIBIGL_OPENGL_GLFW_EXTRA_LIBRARIES})

tutorial/CMakeLists.txt

@@ -17,6 +17,7 @@ find_package(MATLAB QUIET)
 option(LIBIGL_WITH_MATLAB           "Use Matlab"         "${MATLAB_FOUND}")
 option(LIBIGL_WITH_MOSEK            "Use MOSEK"          "${MOSEK_FOUND}")
 option(LIBIGL_WITH_OPENGL           "Use OpenGL"         ON)
+option(LIBIGL_WITH_OPENGL_GLFW      "Use OpenGL GLFW"    ON)
 option(LIBIGL_WITH_PNG              "Use PNG"            ON)
 option(LIBIGL_WITH_TETGEN           "Use Tetgen"         ON)
 option(LIBIGL_WITH_TRIANGLE         "Use Triangle"       ON)