Fixed build issues for Ubuntu

src/CMakeLists.txt

@@ -28,8 +28,10 @@ target_include_directories(example PRIVATE
 
 target_link_libraries(example
 	glfw
+	GL
+	${CMAKE_DL_LIBS}
 )
 
 add_custom_command(TARGET example POST_BUILD
 	COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_SOURCE_DIR}/assets $<TARGET_FILE_DIR:example>/assets
-)
+)

src/objects/Shader.cpp

@@ -2,6 +2,7 @@
 
 #include <iostream>
 #include <fstream>
+#include <cstring>
 
 #include <glad/glad.h>
 
@@ -28,7 +29,7 @@ void Shader::LoadShaderSource(const char* filepath, char** buffer)
 		return;
 	}
 
-	memcpy_s(*buffer, size, source.c_str(), size);
+	memcpy(*buffer, source.c_str(), size);
 	(*buffer)[size] = '\0';
 }