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Identify version of C file
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?Vim and Ctags tips and tricksUsing GCC to produce readable assembly?Improve INSERT-per-second performance of SQLite?Can code that is valid in both C and C++ produce different behavior when compiled in each language?What is the difference between C, C99, ANSI C and GNU C?Why does GCC generate 15-20% faster code if I optimize for size instead of speed?Forcing compiler to C99 standardCompiling an application for use in highly radioactive environmentsIs using an outdated C compiler a security risk?
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For a project I need to find if a c file has code that requires >=C11 or C99 compiler. Can this be done with gcc, or ctags?
Basically I need to identify the minimum version of compiler required to compile the file. I have tried different tools including ctags etc.
c gcc c99 ctags c11
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
add a comment |
For a project I need to find if a c file has code that requires >=C11 or C99 compiler. Can this be done with gcc, or ctags?
Basically I need to identify the minimum version of compiler required to compile the file. I have tried different tools including ctags etc.
c gcc c99 ctags c11
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
9
You could write a shellscript/batch file that triesgcc -std=c90Did it work? If not, trygcc -std=c99. Then C11.
– Lundin
Mar 26 at 15:17
1
@Lundin's suggestion or something substantially equivalent is the only option I see. Solving the problem requires attempting to interpret the given source according to various language standards, and a program that performs that job (one standard at a time) is what a compiler is. Do note, however, that there is code that will be accepted by various C compilers that does not conform to any of the language standards.
– John Bollinger
Mar 26 at 15:44
1
I'd add a-pedantic-errorsand maybe a-Wallto the compile options.
– AShelly
Mar 26 at 17:07
add a comment |
For a project I need to find if a c file has code that requires >=C11 or C99 compiler. Can this be done with gcc, or ctags?
Basically I need to identify the minimum version of compiler required to compile the file. I have tried different tools including ctags etc.
c gcc c99 ctags c11
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
For a project I need to find if a c file has code that requires >=C11 or C99 compiler. Can this be done with gcc, or ctags?
Basically I need to identify the minimum version of compiler required to compile the file. I have tried different tools including ctags etc.
c gcc c99 ctags c11
c gcc c99 ctags c11
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
edited Mar 26 at 15:18
Lundin
117k17 gold badges170 silver badges280 bronze badges
117k17 gold badges170 silver badges280 bronze badges
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
asked Mar 26 at 15:14
Faraz KhanFaraz Khan
41 bronze badge
41 bronze badge
9
You could write a shellscript/batch file that triesgcc -std=c90Did it work? If not, trygcc -std=c99. Then C11.
– Lundin
Mar 26 at 15:17
1
@Lundin's suggestion or something substantially equivalent is the only option I see. Solving the problem requires attempting to interpret the given source according to various language standards, and a program that performs that job (one standard at a time) is what a compiler is. Do note, however, that there is code that will be accepted by various C compilers that does not conform to any of the language standards.
– John Bollinger
Mar 26 at 15:44
1
I'd add a-pedantic-errorsand maybe a-Wallto the compile options.
– AShelly
Mar 26 at 17:07
add a comment |
9
You could write a shellscript/batch file that triesgcc -std=c90Did it work? If not, trygcc -std=c99. Then C11.
– Lundin
Mar 26 at 15:17
1
@Lundin's suggestion or something substantially equivalent is the only option I see. Solving the problem requires attempting to interpret the given source according to various language standards, and a program that performs that job (one standard at a time) is what a compiler is. Do note, however, that there is code that will be accepted by various C compilers that does not conform to any of the language standards.
– John Bollinger
Mar 26 at 15:44
1
I'd add a-pedantic-errorsand maybe a-Wallto the compile options.
– AShelly
Mar 26 at 17:07
9
9
You could write a shellscript/batch file that tries
gcc -std=c90 Did it work? If not, try gcc -std=c99. Then C11.– Lundin
Mar 26 at 15:17
You could write a shellscript/batch file that tries
gcc -std=c90 Did it work? If not, try gcc -std=c99. Then C11.– Lundin
Mar 26 at 15:17
1
1
@Lundin's suggestion or something substantially equivalent is the only option I see. Solving the problem requires attempting to interpret the given source according to various language standards, and a program that performs that job (one standard at a time) is what a compiler is. Do note, however, that there is code that will be accepted by various C compilers that does not conform to any of the language standards.
– John Bollinger
Mar 26 at 15:44
@Lundin's suggestion or something substantially equivalent is the only option I see. Solving the problem requires attempting to interpret the given source according to various language standards, and a program that performs that job (one standard at a time) is what a compiler is. Do note, however, that there is code that will be accepted by various C compilers that does not conform to any of the language standards.
– John Bollinger
Mar 26 at 15:44
1
1
I'd add a
-pedantic-errors and maybe a -Wall to the compile options.– AShelly
Mar 26 at 17:07
I'd add a
-pedantic-errors and maybe a -Wall to the compile options.– AShelly
Mar 26 at 17:07
add a comment |
1 Answer
1
active
oldest
votes
Use grep -- -std= Makefile
ctags: no way
If you are looking for something smarter... bad luck.
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
add a comment |
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Use grep -- -std= Makefile
ctags: no way
If you are looking for something smarter... bad luck.
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
add a comment |
Use grep -- -std= Makefile
ctags: no way
If you are looking for something smarter... bad luck.
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
add a comment |
Use grep -- -std= Makefile
ctags: no way
If you are looking for something smarter... bad luck.
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
Use grep -- -std= Makefile
ctags: no way
If you are looking for something smarter... bad luck.
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
answered May 22 at 9:38
PolluksPolluks
1261 silver badge10 bronze badges
1261 silver badge10 bronze badges
add a comment |
add a comment |
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9
You could write a shellscript/batch file that tries
gcc -std=c90Did it work? If not, trygcc -std=c99. Then C11.– Lundin
Mar 26 at 15:17
1
@Lundin's suggestion or something substantially equivalent is the only option I see. Solving the problem requires attempting to interpret the given source according to various language standards, and a program that performs that job (one standard at a time) is what a compiler is. Do note, however, that there is code that will be accepted by various C compilers that does not conform to any of the language standards.
– John Bollinger
Mar 26 at 15:44
1
I'd add a
-pedantic-errorsand maybe a-Wallto the compile options.– AShelly
Mar 26 at 17:07