From: Andrew Jones <drjones@redhat.com> To: "Alex Bennée" <alex.bennee@linaro.org> Cc: kvm@vger.kernel.org, marc.zyngier@arm.com, linux-arm-kernel@lists.infradead.org, pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu Subject: Re: [RFC kvm-unit-tests PATCH 5/8] Makefile: add explicit mkdir for .o targets Date: Fri, 7 Apr 2017 16:42:34 +0200 [thread overview] Message-ID: <20170407144234.kmq2ofvh5e6vyssq@kamzik.brq.redhat.com> (raw) In-Reply-To: <20170406190727.5624-6-alex.bennee@linaro.org> On Thu, Apr 06, 2017 at 08:07:24PM +0100, Alex Bennée wrote: > This is fairly direct way of ensuring the target build directories are > created before we build a binary blob. mkdir -p fails gracefully if > the directory is already there. > > Signed-off-by: Alex Bennée <alex.bennee@linaro.org> > --- > Makefile | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Makefile b/Makefile > index 781186e..56598df 100644 > --- a/Makefile > +++ b/Makefile > @@ -79,8 +79,13 @@ $(LIBFDT_archive): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS)) > $(AR) rcs $@ $^ > > %.o: %.S > + mkdir -p $(dir $@) > $(CC) $(CFLAGS) -c -nostdlib -o $@ $< > > +%.o: %.c > + mkdir -p $(dir $@) > + $(CC) $(CFLAGS) -c -o $@ $< This rule will override any arch makefile %.o rule. I don't think we want to do that. And I guess that means we should move the '%.o: %.S' rule up above the include $(TEST_DIR)/Makefile so we don't override those either. > + > -include */.*.d */*/.*.d > > all: $(shell git -C $(SRCDIR) rev-parse --verify --short=8 HEAD >build-head 2>/dev/null) > -- > 2.11.0 > I'd prefer we just have a couple places where we do mkdir: one in the common Makefile for common dirs (BUILD_DIRS) and one in the arch makefile for arch dirs (ARCH_BUILD_DIRS). The example linked below looks like something we might be able to apply. https://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html#Prerequisite-Types Thanks, drew
WARNING: multiple messages have this Message-ID (diff)
From: drjones@redhat.com (Andrew Jones) To: linux-arm-kernel@lists.infradead.org Subject: [RFC kvm-unit-tests PATCH 5/8] Makefile: add explicit mkdir for .o targets Date: Fri, 7 Apr 2017 16:42:34 +0200 [thread overview] Message-ID: <20170407144234.kmq2ofvh5e6vyssq@kamzik.brq.redhat.com> (raw) In-Reply-To: <20170406190727.5624-6-alex.bennee@linaro.org> On Thu, Apr 06, 2017 at 08:07:24PM +0100, Alex Benn?e wrote: > This is fairly direct way of ensuring the target build directories are > created before we build a binary blob. mkdir -p fails gracefully if > the directory is already there. > > Signed-off-by: Alex Benn?e <alex.bennee@linaro.org> > --- > Makefile | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Makefile b/Makefile > index 781186e..56598df 100644 > --- a/Makefile > +++ b/Makefile > @@ -79,8 +79,13 @@ $(LIBFDT_archive): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS)) > $(AR) rcs $@ $^ > > %.o: %.S > + mkdir -p $(dir $@) > $(CC) $(CFLAGS) -c -nostdlib -o $@ $< > > +%.o: %.c > + mkdir -p $(dir $@) > + $(CC) $(CFLAGS) -c -o $@ $< This rule will override any arch makefile %.o rule. I don't think we want to do that. And I guess that means we should move the '%.o: %.S' rule up above the include $(TEST_DIR)/Makefile so we don't override those either. > + > -include */.*.d */*/.*.d > > all: $(shell git -C $(SRCDIR) rev-parse --verify --short=8 HEAD >build-head 2>/dev/null) > -- > 2.11.0 > I'd prefer we just have a couple places where we do mkdir: one in the common Makefile for common dirs (BUILD_DIRS) and one in the arch makefile for arch dirs (ARCH_BUILD_DIRS). The example linked below looks like something we might be able to apply. https://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html#Prerequisite-Types Thanks, drew
next prev parent reply other threads:[~2017-04-07 14:42 UTC|newest] Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-04-06 19:07 [RFC kvm-unit-tests PATCH 0/8] Support for out-of-tree builds Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 1/8] configure: make it run-able from outside source tree Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 11:40 ` Andrew Jones 2017-04-07 11:40 ` Andrew Jones 2017-04-07 11:46 ` Peter Maydell 2017-04-07 11:46 ` Peter Maydell 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 2/8] Makefile: ensure build-head works out-of-src-tree Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 11:44 ` Andrew Jones 2017-04-07 11:44 ` Andrew Jones 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 3/8] Makefile: set VPATH based on SRCDIR Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 11:56 ` Andrew Jones 2017-04-07 11:56 ` Andrew Jones 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 4/8] Makefiles: use explicit path for including sub-Makefiles Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 8:53 ` Thomas Huth 2017-04-07 8:53 ` Thomas Huth 2017-04-07 9:21 ` Alex Bennée 2017-04-07 9:21 ` Alex Bennée 2017-04-07 12:20 ` Andrew Jones 2017-04-07 12:20 ` Andrew Jones 2017-04-27 15:54 ` Paolo Bonzini 2017-04-27 15:54 ` Paolo Bonzini 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 5/8] Makefile: add explicit mkdir for .o targets Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 14:42 ` Andrew Jones [this message] 2017-04-07 14:42 ` Andrew Jones 2017-04-27 15:57 ` Paolo Bonzini 2017-04-27 15:57 ` Paolo Bonzini 2017-05-11 15:30 ` Alex Bennée 2017-05-11 15:30 ` Alex Bennée 2017-05-12 10:36 ` Paolo Bonzini 2017-05-12 10:36 ` Paolo Bonzini 2017-05-12 11:14 ` Alex Bennée 2017-05-12 11:14 ` Alex Bennée 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 6/8] Makefiles: handle linking of scripts into build-tree Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 9:22 ` Thomas Huth 2017-04-07 9:22 ` Thomas Huth 2017-04-07 10:38 ` Alex Bennée 2017-04-07 10:38 ` Alex Bennée 2017-04-07 13:37 ` Andrew Jones 2017-04-07 13:37 ` Andrew Jones 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 7/8] Makefiles: fix up the x86 build include and link paths Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 13:31 ` Andrew Jones 2017-04-07 13:31 ` Andrew Jones 2017-04-07 14:30 ` Alex Bennée 2017-04-07 14:30 ` Alex Bennée 2017-04-06 19:07 ` [RFC kvm-unit-tests PATCH 8/8] Makefiles: fix up the arm " Alex Bennée 2017-04-06 19:07 ` Alex Bennée 2017-04-07 6:58 ` [RFC kvm-unit-tests PATCH 9/8] Makefiles: Fix up the powerpc " Thomas Huth 2017-04-07 6:58 ` Thomas Huth 2017-04-07 8:02 ` Alex Bennée 2017-04-07 8:02 ` Alex Bennée 2017-04-07 13:56 ` [RFC kvm-unit-tests PATCH 8/8] Makefiles: fix up the arm " Andrew Jones 2017-04-07 13:56 ` Andrew Jones 2017-04-07 14:29 ` Alex Bennée 2017-04-07 14:29 ` Alex Bennée
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20170407144234.kmq2ofvh5e6vyssq@kamzik.brq.redhat.com \ --to=drjones@redhat.com \ --cc=alex.bennee@linaro.org \ --cc=kvm@vger.kernel.org \ --cc=kvmarm@lists.cs.columbia.edu \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=marc.zyngier@arm.com \ --cc=pbonzini@redhat.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.