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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org T24gU2F0LCBBdWcgMzEsIDIwMTkgYXQgMTA6MDQ6NTNQTSArMDkwMCwgTWFzYWhpcm8gWWFtYWRh IHdyb3RlOgo+IEtidWlsZCBzdXBwb3J0IHR3byBmaWxlIG5hbWVzLCAiTWFrZWZpbGUiIGFuZCAi S2J1aWxkIgo+IGZvciBkZXNjcmliaW5nIG9iai15LCBvYmotbSwgZXRjLgoKPHNuaXBwaW5nIHRo ZSBiYXNpYyBleHBsYW5hdGlvbiwgd2hpY2ggaXMgZG9jdW1lbnRlZCBwcmV0dHkgd2VsbCwKSSBJ IHRoaW5rIEkgZnVsbCB1bmRlcnN0YW5kPgoKPiBTaW1pbGFybHksIGFyY2gvJChTUkNBUkNIKS9N YWtlZmlsZSBpcyB2ZXJ5IHNwZWNpYWwKPiBpbiB0aGF0IGl0IGlzIGluY2x1ZGVkIGZyb20gdGhl IHRvcC1sZXZlbCBNYWtlZmlsZSwKPiBhbmQgc3BlY2lmeSBhcmNoLXNwZWNpZmljIGNvbXBpbGVy IGZsYWdzIGV0Yy4KPiAKPiBXZSBjYW4gdXNlIGFyY2gvJChTUkNBUkNIKS9LYnVpbGQKPiB0byBz cGVjaWZ5IG9iai15LCBvYmotbS4KPiBUaGUgdG9wLWxldmVsIE1ha2VmaWxlIGRvZXMgbm90IG5l ZWQgdG8ga25vdwo+IHRoZSBkaXJlY3Rvcnkgc3RydWN0dXJlIHVuZGVyIGFyY2gvJChTUkNBUkNI KS8uCj4gCj4gVGhpcyBpcyBsb2dpY2FsIHNlcGFyYXRpb24uCgpCdXQgb25seSBpZiB3ZSBkb2N1 bWVudCB0aGlzIHNwZWNpZmljIHNwbGl0IGFuZCBldmVudHVhbGx5IHN0b3AgYWxsb3dpbmcgCnRv IGJ1aWxkIG9iamVjdHMgZnJvbSBhcmNoLyQoU1JDQVJDSCkvTWFrZWZpbGUuICBBbmQgaW4gbXkg cGVyZmVjdCB3b3JsZAp3ZSdkIGV2ZW50dWFsbHkgcGhhc2Ugb3V0IHRoZSBtYWdpYyBhcmNoLyQo U1JDQVJDSCkvTWFrZWZpbGUgZW50aXJlxYB5LgpJbiBhZGRpdGlvbiB0byB0aGUgbm9ybWFsIEti dWlsZCBmaWxlIHdlJ2QgdGhlbiBoYXZlIHNheSAobmFtZXMgZW50aXJlbHkKbWFkZSB1cCBhbmQg cHJvYmFibHkgbm90IHRoZSBiZXN0IGlkZWEpCgogIGFyY2gvJChTUkNBUkNIKS9mbGFncy5tayB0 byBzZXQgdGhlIHZhcmlvdXMgY29tcGlsZXIgZmxhZ3MgYW5kIGNvCiAgYXJjaC8kKFNSQ0FSQ0gp L3RhcmdldHMubWsgZm9yIGV4dHJhIGFyY2gtc3BlY2lmaWMgdGFyZ2V0cwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBs aXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1EE0BC3A59B for ; 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charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 31, 2019 at 10:04:53PM +0900, Masahiro Yamada wrote: > Kbuild support two file names, "Makefile" and "Kbuild" > for describing obj-y, obj-m, etc. > Similarly, arch/$(SRCARCH)/Makefile is very special > in that it is included from the top-level Makefile, > and specify arch-specific compiler flags etc. > > We can use arch/$(SRCARCH)/Kbuild > to specify obj-y, obj-m. > The top-level Makefile does not need to know > the directory structure under arch/$(SRCARCH)/. > > This is logical separation. But only if we document this specific split and eventually stop allowing to build objects from arch/$(SRCARCH)/Makefile. And in my perfect world we'd eventually phase out the magic arch/$(SRCARCH)/Makefile entireŀy. In addition to the normal Kbuild file we'd then have say (names entirely made up and probably not the best idea) arch/$(SRCARCH)/flags.mk to set the various compiler flags and co arch/$(SRCARCH)/targets.mk for extra arch-specific targets