'How to get list of supported standards in Clang?

I found this in MAN:

   -std=language
       Specify the language standard to compile for.

   -ansi
       Same as -std=c89.

But where to find the list of all supported standards by my installed compiler?

clang -std=??? test.c


Solution 1:[1]

Just specify any BS standard and clang will print those acceptable like so:

c:\LLVM\bin>clang++.exe -std=blabla main.cpp
error: invalid value 'blabla' in '-std=blabla'
note: use 'c++98' or 'c++03' for 'ISO C++ 1998 with amendments' standard
note: use 'gnu++98' or 'gnu++03' for 'ISO C++ 1998 with amendments and GNU extensions' standard
note: use 'c++11' for 'ISO C++ 2011 with amendments' standard
note: use 'gnu++11' for 'ISO C++ 2011 with amendments and GNU extensions' standard
note: use 'c++14' for 'ISO C++ 2014 with amendments' standard
note: use 'gnu++14' for 'ISO C++ 2014 with amendments and GNU extensions' standard
note: use 'c++17' for 'ISO C++ 2017 with amendments' standard
note: use 'gnu++17' for 'ISO C++ 2017 with amendments and GNU extensions' standard
note: use 'c++2a' for 'Working draft for ISO C++ 2020' standard
note: use 'gnu++2a' for 'Working draft for ISO C++ 2020 with GNU extensions' standard

;-)

Solution 2:[2]

https://github.com/llvm-mirror/clang/commit/6b15b6d3c1f8274162d5881b05d79aeddd5d6aad

In case user did not provide valid standard name for -std option, available values (with short description) will be reported.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Artur
Solution 2 Jan Korous