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client-ip=162.221.158.21; receiver=esa3.hc3370-68.iphmx.com; envelope-from="anthony.perard@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: GLFrNqBW108BBvu4r1iGnJRky+GBLZZfFMfeX0mI8i22tin7b/QhBPpoIj/13S5EvivOFkfdxJ bGtPSVBNJDcFh2dG0VzzTltwUSI1tQKKl5WC+9viXN0FtFDpuZ+wWcRUxCHVCMr1nWsNJg9R0O u0WhDSfo04FEdN9VZBrRvyhbIXPP0HtT23DixVo3B9612F1BMheWLH0Z4zFUoScB8ttpLo4Ogn V5vIkJWYHgt2RDXBj9toneBLOlDMTnWoaRmSMyVF5qtzSgsHGPbBuBgJadt9ppDoB/8B/cWQuT rr0= X-SBRS: 2.7 X-MesageID: 7333651 X-Ironport-Server: esa3.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.68,221,1569297600"; d="scan'208";a="7333651" From: Anthony PERARD To: Date: Wed, 23 Oct 2019 17:48:27 +0100 Message-ID: <20191023164837.2700240-14-anthony.perard@citrix.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191023164837.2700240-1-anthony.perard@citrix.com> References: <20191023164837.2700240-1-anthony.perard@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [RFC XEN PATCH 13/23] convert common/libelf/Makefile to kbuild makefile X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Anthony PERARD Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Use existing command line of objcopy and ld instead of writing new one and simply edit the flags. `targets' is to let know kbuild that other files beside the one declared in obj-bin-y will be built. Signed-off-by: Anthony PERARD --- xen/common/libelf/Makefile | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/xen/common/libelf/Makefile b/xen/common/libelf/Makefile index 9a433f01fbd4..2be9ea82b241 100644 --- a/xen/common/libelf/Makefile +++ b/xen/common/libelf/Makefile @@ -4,9 +4,14 @@ nocov-y += libelf.o SECTIONS := text data $(SPECIAL_DATA_SECTIONS) ccflags-y += -Wno-pointer-sign +ldflags-y += -r +OBJCOPYFLAGS += $(foreach s,$(SECTIONS),--rename-section .$(s)=.init.$(s)) -libelf.o: libelf-temp.o Makefile - $(OBJCOPY) $(foreach s,$(SECTIONS),--rename-section .$(s)=.init.$(s)) $< $@ +libelf-temp-objs := libelf-tools.o libelf-loader.o libelf-dominfo.o #libelf-relocate.o +targets += $(libelf-temp-objs) libelf-temp.o -libelf-temp.o: libelf-tools.o libelf-loader.o libelf-dominfo.o #libelf-relocate.o - $(LD) $(LDFLAGS) -r -o $@ $^ +$(obj)/libelf.o: $(obj)/libelf-temp.o FORCE + $(call if_changed,objcopy) + +$(obj)/libelf-temp.o: $(addprefix $(obj)/,$(libelf-temp-objs)) FORCE + $(call if_changed,ld)