[PATCH] drm/xe: add missing include <libgen.h>

[Lucas De Marchi]

On Mon, Aug 25, 2025 at 03:09:09AM +0200, Achill Gilgenast wrote:
>basename() got implicitly included on glibc but not on other libc's like
>musl libc and therefore fails to build:
>
>/home/achill/git/user-aports/experimental/linux-mainline/src/linux-6.17-rc3/drivers/gpu/drm/xe/xe_gen_wa_oob.c: In function 'fn_to_prefix':
>/home/achill/git/user-aports/experimental/linux-mainline/src/linux-6.17-rc3/drivers/gpu/drm/xe/xe_gen_wa_oob.c:130:14: error: implicit declaration of function 'basename'; did you mean 'rename'? [-Wimplicit-function-declaration]
>  130 |         fn = basename(fn);
>      |              ^~~~~~~~
>      |              rename
>/home/achill/git/user-aports/experimental/linux-mainline/src/linux-6.17-rc3/drivers/gpu/drm/xe/xe_gen_wa_oob.c:130:12: error: assignment to 'const char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>  130 |         fn = basename(fn);
>      |            ^
>
>Fixes: b0a2ee5567ab ("drm/xe: prepare xe_gen_wa_oob to be multi-use")
>Signed-off-by: Achill Gilgenast <achill at achill.org>

libgen.h provides a different basename than the one used here.
glibc defines it in string.h, but other libc's don't (or removed it
recently). See https://lore.kernel.org/intel-xe/w4j3kzezrd4xqc4q4vkpbbxqvqxitam5htkex6rj6dguj5kbw5@27gqnp6veuu4/

Lucas De Marchi