Here's a detailed explanation of -Weverything from a clang developer. He says -Weverything is intended for clang developers' own testing. He recommends using -W

Here's a detailed explanation of -Weverything from a clang developer. He says -Weverything is intended for clang developers' own testing. He recommends using -Wall -Wextra plus any individual warnings you may want. http://programmers.stackexchange.com/a/124574 http://programmers.stackexchange.com/a/124574 clang does not document its warning flags like gcc does, but a long (but now incomplete) list is available here: http://fuckingclangwarnings.com/ http://fuckingclangwarnings.com/