How to turn on ansi-c checking in compiler?

[xailer]

Hi
Im using red hat 9.
I would like to turn on strict ansi-c compliance when using
compiler,so that code would only get compiled if it is
ansi-c compliant.I tried with $cc -ansi hello.c command,
but to no effect.

Can someone help me?

thank you

 

[Salem]

Well if you're using gcc (guessing that you are if you're using redhat)

gcc -ansi -pedantic -W -Wall -O2 prog.c
Will find an awful lot of stuff which isn't ANSI, which may be dubious and which may be wasteful.

--

 

[xailer]

thank you for your help

bye