我在MAN发现了这个:
-std=language
Specify the language standard to compile for.
-ansi
Same as -std=c89.
但是在哪里可以找到我安装的编译器所有支持标准的列表？
clang -std=??? test.c
检查此文件: llvm.git/tools/clang/include/clang/Frontend/LangStandards.def
来自github
的在线版本编译器支持的标准是不断更改,您可以检查此文件并自行尝试.
// C++ modes
LANGSTANDARD(cxx98, "c++98",
"ISO C++ 1998 with amendments",
LineComment | CPlusPlus | Digraphs)
LANGSTANDARD(cxx03, "c++03",
"ISO C++ 1998 with amendments",
LineComment | CPlusPlus | Digraphs)
LANGSTANDARD(gnucxx98, "gnu++98",
"ISO C++ 1998 with amendments and GNU extensions",
LineComment | CPlusPlus | Digraphs | GNUMode)
LANGSTANDARD(cxx0x, "c++0x",
"ISO C++ 2011 with amendments",
LineComment | CPlusPlus | CPlusPlus11 | Digraphs)
LANGSTANDARD(cxx11, "c++11",
"ISO C++ 2011 with amendments",
LineComment | CPlusPlus | CPlusPlus11 | Digraphs)
LANGSTANDARD(gnucxx0x, "gnu++0x",
"ISO C++ 2011 with amendments and GNU extensions",
LineComment | CPlusPlus | CPlusPlus11 | Digraphs | GNUMode)
LANGSTANDARD(gnucxx11, "gnu++11",
"ISO C++ 2011 with amendments and GNU extensions",
LineComment | CPlusPlus | CPlusPlus11 | Digraphs | GNUMode)
只需指定任何BS标准，clang就会打印出可接受的格式，如下所示：
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
;-)