add freeglut to shader

Author: nicoabie

glsdk/CMakeLists.txt

@@ -18,5 +18,5 @@ target_link_libraries(glimg PRIVATE glload)
 ## glutil
 file(GLOB glutil_SRCS glutil/source/*.cpp)
 add_library(glutil STATIC ${glutil_SRCS})
-target_include_directories(glutil PUBLIC glutil/include glm)
+target_include_directories(glutil PUBLIC glutil/include glm freeglut/include)
 target_link_libraries(glutil PRIVATE glimg glload)

glsdk/glutil/source/Shader.cpp

@@ -5,6 +5,7 @@
 #define FREEGLUT_NO_GL_INCLUDE
 #include <OpenGL/gl3.h>
 #endif
+#include <GL/freeglut.h>
 #include "glutil/Shader.h"
 
 namespace glutil