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charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.4 (3.50.4-1.fc39) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-malware-bazaar: not-scanned On Tue, 2024-04-23 at 19:24 +0800, Tiwei Bie wrote: >=20 > $(USER_OBJS:.o=3D.%): \ > - c_flags =3D -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/inclu= de/linux/kern_levels.h -include user.h $(CFLAGS_$(basetarget).o) > + c_flags =3D -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/inclu= de/linux/kern_levels.h \ > + -include user.h -include $(srctree)/arch/um/os-Linux/internal.h $(CFLA= GS_$(basetarget).o) >=20 Why not just include it explicitly? We do have the warnings? johannes