Re: [Valgrind-developers] C89 compliance fix

[John L. <le...@mo...>]

On Mon, Nov 03, 2003 at 11:14:58AM +0000, Nicholas Nethercote wrote:

> I don't understand gcc's C99 support;  it lets me do some things (such as
> declarations not at the start of a block) without any command line args,
> but other things, eg. "for (int i = 0; ...)" requires -std=c99.  Why is
> this?

-std=xx means "accept code meeting that standard". "-pedantic[-errors]"
is what changes whether non-standard code is accepted or not.

> And is there a command-line option I can give to prevent me from
> accidentally using non-block-starting declarations?

-Wdeclaration-after-statement (in gcc 3.4)

regards
john

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