This is the mail archive of the
mailing list for the Cygwin project.
Re: next porting question for gcj
On Mon, Apr 16, 2001 at 12:00:07AM -0400, DJ Delorie wrote:
>A simple test will show you:
> char *b = alloca(500);
> return b;
>Compile with gcc, and you'll see that alloca is implemented directly,
>without function calls.
>__builtin_alloca is the internal way gcc implements it; either works
>just fine but __builtin_alloca is more immune to being #define'd to
>something else. It's not specific to Cygwin.
We did have to:
#define alloca __builtin_alloca
at one point in winsup/... at one point, though.