Making GCC and Other C++ Compilers Very Strict

Question

I\'m working on a large collaborative C++ project that is both developed and run on various flavors of Linux, OS X and Windows. We compile across these platforms with GCC, Visua

Answer 1

I wrote the blog post on this topic after researching several options. You also need to handle the cases where you are using other libraries but they are not following strict compilation. Fortunately there is easy way to handle them as well. I have been using this extensively in all my projects.

In short, use following compiler options to turn on very strict mode (below is what I put in CMakeLists.txt):

set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wextra  -Wstrict-aliasing -pedantic -fmax-errors=5 -Werror -Wunreachable-code -Wcast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-include-dirs -Wnoexcept -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wsign-promo -Wstrict-null-sentinel -Wstrict-overflow=5 -Wswitch-default -Wundef -Wno-unused -Wno-variadic-macros -Wno-parentheses -fdiagnostics-show-option ${CMAKE_CXX_FLAGS}")

You can read more about how to turn on and off this strict mode for specific portions of code here: http://shitalshah.com/p/how-to-enable-and-use-gcc-strict-mode-compilation/