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    SubjectRe: [PATCH] 2.5.21 kill warnings 4/19
    On Mon, Jun 10, 2002 at 02:01:24PM -0700, Maksim (Max) Krasnyanskiy wrote:
    >
    > >> > wrt the __func__ thing: is it possible to do:
    > >> >
    > >> > #if (compiler version test)
    > >> > #define __FUNCTION__ __func__
    > >> > #endif
    > >> >
    > >> > to kill the 3.x warning?
    > >>
    > >> #include <stdio.h>
    > >> #define __FUNCTION__ __func__
    > >>
    > >> int main(int argc, char **argv) {
    > >> int i;
    > >>
    > >> for (i = 0; i < argc; i++) {
    > >> printf(__FUNCTION__ " encountered argument ");
    > >> printf("%s\n", argv[i]);
    > >> }
    > >>
    > >> exit(0);
    > >> }
    > >>
    > >> Obviously, yes.
    > >
    > >Nope.
    > >$ gcc-3.1 -Wall -o foo foo.c
    > >foo.c: In function `main':
    > >foo.c:8: parse error before string constant
    > >
    > >And line 8 is:
    > >printf(__FUNCTION__ " encountered argument ");
    >
    > Well, those will brake. But in general it's possible. And I already do that
    > in Bluetooth code (it's been converted recently).
    >
    > So
    >
    > #if __GNUC__ <= 2 && __GNUC_MINOR__ < 95
    > #define __func__ __FUNCTION__
    > #endif
    >
    > does the trick. All gcc's newer than 2.95 support __func__.

    Right. Maybe it should even go in <linux/compiler.h> if it's not
    already there.

    --
    Tom Rini (TR1265)
    http://gate.crashing.org/~trini/
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