tutorial compiles in header only mode

Former-commit-id: 286e6279f543c87a218f3142fe89853d548218dd

tutorial/CMakeLists.txt

@@ -3,8 +3,11 @@ project(libigl_tutorials)
 
 message("Generated with config types: ${CMAKE_CONFIGURATION_TYPES}")
 
-SET(LIBIGL_USE_STATIC_LIBRARY 1)
-add_definitions(-DIGL_STATIC_LIBRARY)
+option(LIBIGL_USE_STATIC_LIBRARY "Use static library" OFF)
+
+if(LIBIGL_USE_STATIC_LIBRARY)
+  add_definitions(-DIGL_STATIC_LIBRARY)
+endif(LIBIGL_USE_STATIC_LIBRARY)
 
 SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
@@ -31,10 +34,11 @@ message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
 include("CMakeLists.shared")
 
 #Compile libigl
-add_definitions(-DIGL_STATIC_LIBRARY)
 add_definitions(-DIGL_NO_OPENGL)
 
-add_subdirectory("../optional" "libigl")
+if(LIBIGL_USE_STATIC_LIBRARY)
+  add_subdirectory("../optional" "libigl")
+endif(LIBIGL_USE_STATIC_LIBRARY)
 include_directories("../include")
 
 #Compile nanogui