From patchwork Fri Jan 10 06:43:59 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 309120 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 888B12C00AF for ; Fri, 10 Jan 2014 17:47:43 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 2FAA84AD07; Fri, 10 Jan 2014 07:47:33 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vqyJ8yg4AFSQ; Fri, 10 Jan 2014 07:47:32 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 9DD6D4AD10; Fri, 10 Jan 2014 07:45:37 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id D49674ACD6 for ; Fri, 10 Jan 2014 07:45:17 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2Qz+oDY+ExfQ for ; Fri, 10 Jan 2014 07:45:16 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from smtp.mei.co.jp (smtp.mei.co.jp [133.183.100.20]) by theia.denx.de (Postfix) with ESMTP id 8780F4AC14 for ; Fri, 10 Jan 2014 07:44:47 +0100 (CET) Received: from mail-gw.jp.panasonic.com ([157.8.1.157]) by smtp.mei.co.jp (8.12.11.20060614/3.7W/kc-maile12) with ESMTP id s0A6ihs5010953; Fri, 10 Jan 2014 15:44:43 +0900 (JST) Received: from epochmail.jp.panasonic.com ([157.8.1.130]) by mail.jp.panasonic.com (8.11.6p2/3.7W/kc-maili13) with ESMTP id s0A6ihJ25880; Fri, 10 Jan 2014 15:44:43 +0900 Received: by epochmail.jp.panasonic.com (8.12.11.20060308/3.7W/lomi17) id s0A6ih7q002274; Fri, 10 Jan 2014 15:44:43 +0900 Received: from poodle by lomi17.jp.panasonic.com (8.12.11.20060308/3.7W) with ESMTP id s0A6ihih002236; Fri, 10 Jan 2014 15:44:43 +0900 Received: from beagle.diag.org (beagle.diag.org [10.184.179.16]) by poodle (Postfix) with ESMTP id 224372740043; Fri, 10 Jan 2014 15:44:43 +0900 (JST) From: Masahiro Yamada To: u-boot@lists.denx.de Date: Fri, 10 Jan 2014 15:43:59 +0900 Message-Id: <1389336274-7234-3-git-send-email-yamada.m@jp.panasonic.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1389336274-7234-1-git-send-email-yamada.m@jp.panasonic.com> References: <1389336274-7234-1-git-send-email-yamada.m@jp.panasonic.com> Cc: Tom Rini Subject: [U-Boot] [PATCH v4 02/37] Makefile.host.tmp: add a new script to refactor tools X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This commit adds scripts/Makefile.host.tmp which will be used in the next commit to convert makefiles under tools/ directory to Kbuild style. Notice this script, scripts/Makefile.host.tmp is temporary. When switching over to real Kbuild, it will be replaced with scripts/Makefile.host of Linux Kernel. Signed-off-by: Masahiro Yamada --- Changes in v4: None Changes in v3: None Changes in v2: None scripts/Makefile.build | 17 ++++++++++--- scripts/Makefile.host.tmp | 61 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+), 3 deletions(-) create mode 100644 scripts/Makefile.host.tmp diff --git a/scripts/Makefile.build b/scripts/Makefile.build index e3354aa..c451fbf 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -7,15 +7,23 @@ include $(TOPDIR)/config.mk LIB := $(obj)built-in.o LIBGCC = $(obj)libgcc.o SRCS := +subdir-y := +obj-dirs := include Makefile +# Do not include host rules unless needed +ifneq ($(hostprogs-y)$(hostprogs-m),) +include $(SRCTREE)/scripts/Makefile.host.tmp +endif + # Going forward use the following obj-y := $(sort $(obj-y)) extra-y := $(sort $(extra-y)) +always := $(sort $(always)) lib-y := $(sort $(lib-y)) -subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) +subdir-y += $(patsubst %/,%,$(filter %/, $(obj-y))) obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) subdir-obj-y := $(filter %/built-in.o, $(obj-y)) subdir-obj-y := $(addprefix $(obj),$(subdir-obj-y)) @@ -25,7 +33,8 @@ SRCS += $(wildcard $(obj-y:.o=.c) $(obj-y:.o=.S) $(lib-y:.o=.c) \ OBJS := $(addprefix $(obj),$(obj-y)) # $(obj-dirs) is a list of directories that contain object files -obj-dirs := $(dir $(OBJS)) + +obj-dirs += $(dir $(OBJS)) # Create directories for object files if directory does not exist # Needed when obj-y := dir/file.o syntax is used @@ -33,7 +42,7 @@ _dummy := $(foreach d,$(obj-dirs), $(shell [ -d $(d) ] || mkdir -p $(d))) LGOBJS := $(addprefix $(obj),$(sort $(lib-y))) -all: $(LIB) $(addprefix $(obj),$(extra-y)) +all: $(LIB) $(addprefix $(obj),$(extra-y) $(always)) $(subdir-y) $(LIB): $(obj).depend $(OBJS) $(call cmd_link_o_target, $(OBJS)) @@ -48,7 +57,9 @@ endif ifneq ($(subdir-obj-y),) # Descending $(subdir-obj-y): $(subdir-y) +endif +ifneq ($(subdir-y),) $(subdir-y): FORCE $(MAKE) -C $@ -f $(TOPDIR)/scripts/Makefile.build endif diff --git a/scripts/Makefile.host.tmp b/scripts/Makefile.host.tmp new file mode 100644 index 0000000..4b57846 --- /dev/null +++ b/scripts/Makefile.host.tmp @@ -0,0 +1,61 @@ + +__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) + +# C code +# Executables compiled from a single .c file +host-csingle := $(foreach m,$(__hostprogs),$(if $($(m)-objs),,$(m))) + +# C executables linked based on several .o files +host-cmulti := $(foreach m,$(__hostprogs),$(if $($(m)-objs),$(m))) + +# Object (.o) files compiled from .c files +host-cobjs := $(sort $(foreach m,$(__hostprogs),$($(m)-objs))) + +# output directory for programs/.o files +# hostprogs-y := tools/build may have been specified. Retrieve directory +host-objdirs := $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f)))) +# directory of .o files from prog-objs notation +host-objdirs += $(foreach f,$(host-cmulti), \ + $(foreach m,$($(f)-objs), \ + $(if $(dir $(m)),$(dir $(m))))) + +host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs)))) + +__hostprogs := $(addprefix $(obj),$(__hostprogs)) +host-csingle := $(addprefix $(obj),$(host-csingle)) +host-cmulti := $(addprefix $(obj),$(host-cmulti)) +host-cobjs := $(addprefix $(obj),$(host-cobjs)) +host-objdirs := $(addprefix $(obj),$(host-objdirs)) + +obj-dirs += $(host-objdirs) + +##### +# Handle options to gcc. Support building with separate output directory + +_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \ + $(HOSTCFLAGS_$(basetarget).o) + +# Find all -I options and call addtree +flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o))) + +ifeq ($(OBJTREE),$(SRCTREE)) +__hostc_flags = $(_hostc_flags) +else +__hostc_flags = -I$(obj) $(call flags,_hostc_flags) +endif + +hostc_flags = $(__hostc_flags) + +##### +# Compile programs on the host + +$(host-csingle): $(obj)%: %.c + $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $(HOSTLDFLAGS) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< + +$(host-cmulti): $(obj)%: $(host-cobjs) + $(HOSTCC) $(HOSTLDFLAGS) -o $@ $(addprefix $(obj),$($(@F)-objs)) $(HOSTLOADLIBES_$(@F)) + +$(host-cobjs): $(obj)%.o: %.c + $(HOSTCC) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< -c + +targets += $(host-csingle) $(host-cmulti) $(host-cobjs)