u-boot/scripts/Makefile.host

*83d290c5STom Rini# SPDX-License-Identifier: GPL-2.0
22433fc5SMasahiro Yamada# ==========================================================================
22433fc5SMasahiro Yamada# Building binaries on the host system
22433fc5SMasahiro Yamada# Binaries are used during the compilation of the kernel, for example
22433fc5SMasahiro Yamada# to preprocess a data file.
22433fc5SMasahiro Yamada#
22433fc5SMasahiro Yamada# Both C and C++ are supported, but preferred language is C for such utilities.
22433fc5SMasahiro Yamada#
22433fc5SMasahiro Yamada# Sample syntax (see Documentation/kbuild/makefiles.txt for reference)
22433fc5SMasahiro Yamada# hostprogs-y := bin2hex
22433fc5SMasahiro Yamada# Will compile bin2hex.c and create an executable named bin2hex
22433fc5SMasahiro Yamada#
22433fc5SMasahiro Yamada# hostprogs-y    := lxdialog
22433fc5SMasahiro Yamada# lxdialog-objs := checklist.o lxdialog.o
22433fc5SMasahiro Yamada# Will compile lxdialog.c and checklist.c, and then link the executable
22433fc5SMasahiro Yamada# lxdialog, based on checklist.o and lxdialog.o
22433fc5SMasahiro Yamada#
22433fc5SMasahiro Yamada# hostprogs-y      := qconf
22433fc5SMasahiro Yamada# qconf-cxxobjs   := qconf.o
22433fc5SMasahiro Yamada# qconf-objs      := menu.o
22433fc5SMasahiro Yamada# Will compile qconf as a C++ program, and menu as a C program.
22433fc5SMasahiro Yamada# They are linked as C++ code to the executable qconf
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# C code
22433fc5SMasahiro Yamada# Executables compiled from a single .c file
87e90729SMasahiro Yamadahost-csingle	:= $(foreach m,$(__hostprogs), \
76bce10dSSimon Glass			$(if $($(m)-objs)$($(m)-cxxobjs)$($(m)-sharedobjs),,$(m)))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# C executables linked based on several .o files
22433fc5SMasahiro Yamadahost-cmulti	:= $(foreach m,$(__hostprogs),\
22433fc5SMasahiro Yamada		   $(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))
22433fc5SMasahiro Yamada
76bce10dSSimon Glass# Shared object libraries
76bce10dSSimon Glasshost-shared	:= $(foreach m,$(__hostprogs),\
76bce10dSSimon Glass		   $(if $($(m)-sharedobjs),$(m))))
76bce10dSSimon Glass
22433fc5SMasahiro Yamada# Object (.o) files compiled from .c files
22433fc5SMasahiro Yamadahost-cobjs	:= $(sort $(foreach m,$(__hostprogs),$($(m)-objs)))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# C++ code
87e90729SMasahiro Yamada# C++ executables compiled from at least one .cc file
22433fc5SMasahiro Yamada# and zero or more .c files
22433fc5SMasahiro Yamadahost-cxxmulti	:= $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# C++ Object (.o) files compiled from .cc files
22433fc5SMasahiro Yamadahost-cxxobjs	:= $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# output directory for programs/.o files
87e90729SMasahiro Yamada# hostprogs-y := tools/build may have been specified.
87e90729SMasahiro Yamada# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
87e90729SMasahiro Yamadahost-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadahost-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs))))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada__hostprogs     := $(addprefix $(obj)/,$(__hostprogs))
22433fc5SMasahiro Yamadahost-csingle	:= $(addprefix $(obj)/,$(host-csingle))
22433fc5SMasahiro Yamadahost-cmulti	:= $(addprefix $(obj)/,$(host-cmulti))
22433fc5SMasahiro Yamadahost-cobjs	:= $(addprefix $(obj)/,$(host-cobjs))
22433fc5SMasahiro Yamadahost-cxxmulti	:= $(addprefix $(obj)/,$(host-cxxmulti))
22433fc5SMasahiro Yamadahost-cxxobjs	:= $(addprefix $(obj)/,$(host-cxxobjs))
76bce10dSSimon Glasshost-shared	:= $(addprefix $(obj)/,$(host-shared))
22433fc5SMasahiro Yamadahost-objdirs    := $(addprefix $(obj)/,$(host-objdirs))
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadaobj-dirs += $(host-objdirs)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada#####
22433fc5SMasahiro Yamada# Handle options to gcc. Support building with separate output directory
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada_hostc_flags   = $(HOSTCFLAGS)   $(HOST_EXTRACFLAGS)   \
22433fc5SMasahiro Yamada                 $(HOSTCFLAGS_$(basetarget).o)
22433fc5SMasahiro Yamada_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
22433fc5SMasahiro Yamada                 $(HOSTCXXFLAGS_$(basetarget).o)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadaifeq ($(KBUILD_SRC),)
22433fc5SMasahiro Yamada__hostc_flags	= $(_hostc_flags)
22433fc5SMasahiro Yamada__hostcxx_flags	= $(_hostcxx_flags)
22433fc5SMasahiro Yamadaelse
22433fc5SMasahiro Yamada__hostc_flags	= -I$(obj) $(call flags,_hostc_flags)
22433fc5SMasahiro Yamada__hostcxx_flags	= -I$(obj) $(call flags,_hostcxx_flags)
22433fc5SMasahiro Yamadaendif
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadahostc_flags    = -Wp,-MD,$(depfile) $(__hostc_flags)
22433fc5SMasahiro Yamadahostcxx_flags  = -Wp,-MD,$(depfile) $(__hostcxx_flags)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada#####
22433fc5SMasahiro Yamada# Compile programs on the host
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Create executable from a single .c file
22433fc5SMasahiro Yamada# host-csingle -> Executable
22433fc5SMasahiro Yamadaquiet_cmd_host-csingle 	= HOSTCC  $@
22433fc5SMasahiro Yamada      cmd_host-csingle	= $(HOSTCC) $(hostc_flags) -o $@ $< \
22433fc5SMasahiro Yamada	  	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
22433fc5SMasahiro Yamada$(host-csingle): $(obj)/%: $(src)/%.c FORCE
22433fc5SMasahiro Yamada	$(call if_changed_dep,host-csingle)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Link an executable based on list of .o files, all plain c
22433fc5SMasahiro Yamada# host-cmulti -> executable
22433fc5SMasahiro Yamadaquiet_cmd_host-cmulti	= HOSTLD  $@
22433fc5SMasahiro Yamada      cmd_host-cmulti	= $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
22433fc5SMasahiro Yamada			  $(addprefix $(obj)/,$($(@F)-objs)) \
22433fc5SMasahiro Yamada			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
cb6e7b0dSMasahiro Yamada$(host-cmulti): FORCE
22433fc5SMasahiro Yamada	$(call if_changed,host-cmulti)
cb6e7b0dSMasahiro Yamada$(call multi_depend, $(host-cmulti), , -objs)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Create .o file from a single .c file
22433fc5SMasahiro Yamada# host-cobjs -> .o
22433fc5SMasahiro Yamadaquiet_cmd_host-cobjs	= HOSTCC  $@
22433fc5SMasahiro Yamada      cmd_host-cobjs	= $(HOSTCC) $(hostc_flags) -c -o $@ $<
22433fc5SMasahiro Yamada$(host-cobjs): $(obj)/%.o: $(src)/%.c FORCE
22433fc5SMasahiro Yamada	$(call if_changed_dep,host-cobjs)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Link an executable based on list of .o files, a mixture of .c and .cc
22433fc5SMasahiro Yamada# host-cxxmulti -> executable
22433fc5SMasahiro Yamadaquiet_cmd_host-cxxmulti	= HOSTLD  $@
22433fc5SMasahiro Yamada      cmd_host-cxxmulti	= $(HOSTCXX) $(HOSTLDFLAGS) -o $@ \
22433fc5SMasahiro Yamada			  $(foreach o,objs cxxobjs,\
22433fc5SMasahiro Yamada			  $(addprefix $(obj)/,$($(@F)-$(o)))) \
22433fc5SMasahiro Yamada			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
cb6e7b0dSMasahiro Yamada$(host-cxxmulti): FORCE
22433fc5SMasahiro Yamada	$(call if_changed,host-cxxmulti)
cb6e7b0dSMasahiro Yamada$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamada# Create .o file from a single .cc (C++) file
22433fc5SMasahiro Yamadaquiet_cmd_host-cxxobjs	= HOSTCXX $@
22433fc5SMasahiro Yamada      cmd_host-cxxobjs	= $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
22433fc5SMasahiro Yamada$(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
22433fc5SMasahiro Yamada	$(call if_changed_dep,host-cxxobjs)
22433fc5SMasahiro Yamada
22433fc5SMasahiro Yamadatargets += $(host-csingle)  $(host-cmulti) $(host-cobjs)\
76bce10dSSimon Glass	   $(host-cxxmulti) $(host-cxxobjs) $(host-shared)