[people/ms/linux.git] / scripts / Makefile.host

# ==========================================================================
# Building binaries on the host system
# Binaries are used during the compilation of the kernel, for example
# to preprocess a data file.
#
# Both C and C++ are supported, but preferred language is C for such utilities.
#
# Sample syntax (see Documentation/kbuild/makefiles.txt for reference)
# hostprogs-y := bin2hex
# Will compile bin2hex.c and create an executable named bin2hex
#
# hostprogs-y    := lxdialog
# lxdialog-objs := checklist.o lxdialog.o
# Will compile lxdialog.c and checklist.c, and then link the executable
# lxdialog, based on checklist.o and lxdialog.o
#
# hostprogs-y      := qconf
# qconf-cxxobjs   := qconf.o
# qconf-objs      := menu.o
# Will compile qconf as a C++ program, and menu as a C program.
# They are linked as C++ code to the executable qconf

# hostprogs-y := conf
# conf-objs  := conf.o libkconfig.so
# libkconfig-objs := expr.o type.o
# Will create a shared library named libkconfig.so that consists of
# expr.o and type.o (they are both compiled as C code and the object files
# are made as position independent code).
# conf.c is compiled as a C program, and conf.o is linked together with
# libkconfig.so as the executable conf.
# Note: Shared libraries consisting of C++ files are not supported

__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m))
__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))

# C code
# Executables compiled from a single .c file
host-csingle	:= $(foreach m,$(__hostprogs), \
			$(if $($(m)-objs)$($(m)-cxxobjs),,$(m)))

# C executables linked based on several .o files
host-cmulti	:= $(foreach m,$(__hostprogs),\
		   $(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))

# Object (.o) files compiled from .c files
host-cobjs	:= $(sort $(foreach m,$(__hostprogs),$($(m)-objs)))

# C++ code
# C++ executables compiled from at least one .cc file
# and zero or more .c files
host-cxxmulti	:= $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))

# C++ Object (.o) files compiled from .cc files
host-cxxobjs	:= $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))

# Shared libaries (only .c supported)
# Shared libraries (.so) - all .so files referenced in "xxx-objs"
host-cshlib	:= $(sort $(filter %.so, $(host-cobjs)))
host-cshlib	+= $(sort $(filter %.so, $(__hostlibs)))
host-cxxshlib	:= $(sort $(filter %.so, $(__hostcxxlibs)))
# Remove .so files from "xxx-objs"
host-cobjs	:= $(filter-out %.so,$(host-cobjs))
host-cxxobjs	:= $(filter-out %.so,$(host-cxxobjs))

# Object (.o) files used by the shared libaries
host-cshobjs	:= $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
host-cxxshobjs	:= $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))

# output directory for programs/.o files
# hostprogs-y := tools/build may have been specified.
# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs))

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-cxxmulti	:= $(addprefix $(obj)/,$(host-cxxmulti))
host-cxxobjs	:= $(addprefix $(obj)/,$(host-cxxobjs))
host-cshlib	:= $(addprefix $(obj)/,$(host-cshlib))
host-cxxshlib	:= $(addprefix $(obj)/,$(host-cxxshlib))
host-cshobjs	:= $(addprefix $(obj)/,$(host-cshobjs))
host-cxxshobjs	:= $(addprefix $(obj)/,$(host-cxxshobjs))
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)
_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
                 $(HOSTCXXFLAGS_$(basetarget).o)

ifeq ($(KBUILD_SRC),)
__hostc_flags	= $(_hostc_flags)
__hostcxx_flags	= $(_hostcxx_flags)
else
__hostc_flags	= -I$(obj) $(call flags,_hostc_flags)
__hostcxx_flags	= -I$(obj) $(call flags,_hostcxx_flags)
endif

hostc_flags    = -Wp,-MD,$(depfile) $(__hostc_flags)
hostcxx_flags  = -Wp,-MD,$(depfile) $(__hostcxx_flags)

#####
# Compile programs on the host

# Create executable from a single .c file
# host-csingle -> Executable
quiet_cmd_host-csingle 	= HOSTCC  $@
      cmd_host-csingle	= $(HOSTCC) $(hostc_flags) -o $@ $< \
	  	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-csingle): $(obj)/%: $(src)/%.c FORCE
	$(call if_changed_dep,host-csingle)

# Link an executable based on list of .o files, all plain c
# host-cmulti -> executable
quiet_cmd_host-cmulti	= HOSTLD  $@
      cmd_host-cmulti	= $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
			  $(addprefix $(obj)/,$($(@F)-objs)) \
			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cmulti): FORCE
	$(call if_changed,host-cmulti)
$(call multi_depend, $(host-cmulti), , -objs)

# Create .o file from a single .c file
# host-cobjs -> .o
quiet_cmd_host-cobjs	= HOSTCC  $@
      cmd_host-cobjs	= $(HOSTCC) $(hostc_flags) -c -o $@ $<
$(host-cobjs): $(obj)/%.o: $(src)/%.c FORCE
	$(call if_changed_dep,host-cobjs)

# Link an executable based on list of .o files, a mixture of .c and .cc
# host-cxxmulti -> executable
quiet_cmd_host-cxxmulti	= HOSTLD  $@
      cmd_host-cxxmulti	= $(HOSTCXX) $(HOSTLDFLAGS) -o $@ \
			  $(foreach o,objs cxxobjs,\
			  $(addprefix $(obj)/,$($(@F)-$(o)))) \
			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cxxmulti): FORCE
	$(call if_changed,host-cxxmulti)
$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)

# Create .o file from a single .cc (C++) file
quiet_cmd_host-cxxobjs	= HOSTCXX $@
      cmd_host-cxxobjs	= $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
$(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
	$(call if_changed_dep,host-cxxobjs)

# Compile .c file, create position independent .o file
# host-cshobjs -> .o
quiet_cmd_host-cshobjs	= HOSTCC  -fPIC $@
      cmd_host-cshobjs	= $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
	$(call if_changed_dep,host-cshobjs)

# Compile .c file, create position independent .o file
# host-cxxshobjs -> .o
quiet_cmd_host-cxxshobjs	= HOSTCXX -fPIC $@
      cmd_host-cxxshobjs	= $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
	$(call if_changed_dep,host-cxxshobjs)

# Link a shared library, based on position independent .o files
# *.o -> .so shared library (host-cshlib)
quiet_cmd_host-cshlib	= HOSTLLD -shared $@
      cmd_host-cshlib	= $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
			  $(addprefix $(obj)/,$($(@F:.so=-objs))) \
			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
	$(call if_changed,host-cshlib)

# Link a shared library, based on position independent .o files
# *.o -> .so shared library (host-cxxshlib)
quiet_cmd_host-cxxshlib	= HOSTLLD -shared $@
      cmd_host-cxxshlib	= $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \
			  $(addprefix $(obj)/,$($(@F:.so=-objs))) \
			  $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE
	$(call if_changed,host-cxxshlib)

targets += $(host-csingle)  $(host-cmulti) $(host-cobjs)\
	   $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs)
Commit	Line	Data
1da177e4 LT	1	# ==========================================================================
	2	# Building binaries on the host system
	3	# Binaries are used during the compilation of the kernel, for example
	4	# to preprocess a data file.
	5	#
3156fd05	6	# Both C and C++ are supported, but preferred language is C for such utilities.
1da177e4	7	#
3156fd05	8	# Sample syntax (see Documentation/kbuild/makefiles.txt for reference)
1da177e4 LT	9	# hostprogs-y := bin2hex
	10	# Will compile bin2hex.c and create an executable named bin2hex
	11	#
	12	# hostprogs-y := lxdialog
	13	# lxdialog-objs := checklist.o lxdialog.o
	14	# Will compile lxdialog.c and checklist.c, and then link the executable
	15	# lxdialog, based on checklist.o and lxdialog.o
	16	#
	17	# hostprogs-y := qconf
	18	# qconf-cxxobjs := qconf.o
	19	# qconf-objs := menu.o
	20	# Will compile qconf as a C++ program, and menu as a C program.
	21	# They are linked as C++ code to the executable qconf
	22
63d9c273 MT	23	# hostprogs-y := conf
	24	# conf-objs := conf.o libkconfig.so
	25	# libkconfig-objs := expr.o type.o
	26	# Will create a shared library named libkconfig.so that consists of
	27	# expr.o and type.o (they are both compiled as C code and the object files
	28	# are made as position independent code).
	29	# conf.c is compiled as a C program, and conf.o is linked together with
	30	# libkconfig.so as the executable conf.
	31	# Note: Shared libraries consisting of C++ files are not supported
	32
8f5cbd7e	33	__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
63d9c273 MT	34	__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m))
63d9c273 MT	35	__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))
1da177e4	36
1da177e4 LT	37	# C code
1da177e4 LT	38	# Executables compiled from a single .c file
edb950c1 MY	39	host-csingle := $(foreach m,$(__hostprogs), \
edb950c1 MY	40	$(if $($(m)-objs)$($(m)-cxxobjs),,$(m)))
1da177e4 LT	41
	42	# C executables linked based on several .o files
	43	host-cmulti := $(foreach m,$(__hostprogs),\
	44	$(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))
	45
	46	# Object (.o) files compiled from .c files
	47	host-cobjs := $(sort $(foreach m,$(__hostprogs),$($(m)-objs)))
	48
	49	# C++ code
d8d9efe2	50	# C++ executables compiled from at least one .cc file
1da177e4 LT	51	# and zero or more .c files
	52	host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))
	53
	54	# C++ Object (.o) files compiled from .cc files
	55	host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
	56
63d9c273 MT	57	# Shared libaries (only .c supported)
	58	# Shared libraries (.so) - all .so files referenced in "xxx-objs"
	59	host-cshlib := $(sort $(filter %.so, $(host-cobjs)))
	60	host-cshlib += $(sort $(filter %.so, $(__hostlibs)))
	61	host-cxxshlib := $(sort $(filter %.so, $(__hostcxxlibs)))
	62	# Remove .so files from "xxx-objs"
	63	host-cobjs := $(filter-out %.so,$(host-cobjs))
	64	host-cxxobjs := $(filter-out %.so,$(host-cxxobjs))
	65
	66	# Object (.o) files used by the shared libaries
	67	host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
	68	host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))
	69
7b5b8203	70	# output directory for programs/.o files
1791ff71 MY	71	# hostprogs-y := tools/build may have been specified.
	72	# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
	73	host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs))
7b5b8203 SR	74
	75	host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs))))
	76
	77
1da177e4 LT	78	__hostprogs := $(addprefix $(obj)/,$(__hostprogs))
	79	host-csingle := $(addprefix $(obj)/,$(host-csingle))
	80	host-cmulti := $(addprefix $(obj)/,$(host-cmulti))
	81	host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
	82	host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti))
	83	host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
63d9c273 MT	84	host-cshlib := $(addprefix $(obj)/,$(host-cshlib))
	85	host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib))
	86	host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs))
	87	host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs))
9870a93d PR	88	host-objdirs := $(addprefix $(obj)/,$(host-objdirs))
	89
	90	obj-dirs += $(host-objdirs)
1da177e4 LT	91
	92	#####
	93	# Handle options to gcc. Support building with separate output directory
	94
5e8d780d SR	95	_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
	96	$(HOSTCFLAGS_$(basetarget).o)
	97	_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
	98	$(HOSTCXXFLAGS_$(basetarget).o)
1da177e4 LT	99
	100	ifeq ($(KBUILD_SRC),)
	101	__hostc_flags = $(_hostc_flags)
	102	__hostcxx_flags = $(_hostcxx_flags)
	103	else
	104	__hostc_flags = -I$(obj) $(call flags,_hostc_flags)
	105	__hostcxx_flags = -I$(obj) $(call flags,_hostcxx_flags)
	106	endif
	107
	108	hostc_flags = -Wp,-MD,$(depfile) $(__hostc_flags)
	109	hostcxx_flags = -Wp,-MD,$(depfile) $(__hostcxx_flags)
	110
	111	#####
	112	# Compile programs on the host
	113
	114	# Create executable from a single .c file
	115	# host-csingle -> Executable
	116	quiet_cmd_host-csingle = HOSTCC $@
e0af0d85 MU	117	cmd_host-csingle = $(HOSTCC) $(hostc_flags) -o $@ $< \
e0af0d85 MU	118	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
767e581d	119	$(host-csingle): $(obj)/%: $(src)/%.c FORCE
1da177e4 LT	120	$(call if_changed_dep,host-csingle)
	121
	122	# Link an executable based on list of .o files, all plain c
	123	# host-cmulti -> executable
	124	quiet_cmd_host-cmulti = HOSTLD $@
	125	cmd_host-cmulti = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
	126	$(addprefix $(obj)/,$($(@F)-objs)) \
	127	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
97e3226e	128	$(host-cmulti): FORCE
1da177e4	129	$(call if_changed,host-cmulti)
97e3226e	130	$(call multi_depend, $(host-cmulti), , -objs)
1da177e4 LT	131
	132	# Create .o file from a single .c file
	133	# host-cobjs -> .o
	134	quiet_cmd_host-cobjs = HOSTCC $@
	135	cmd_host-cobjs = $(HOSTCC) $(hostc_flags) -c -o $@ $<
767e581d	136	$(host-cobjs): $(obj)/%.o: $(src)/%.c FORCE
1da177e4 LT	137	$(call if_changed_dep,host-cobjs)
	138
	139	# Link an executable based on list of .o files, a mixture of .c and .cc
	140	# host-cxxmulti -> executable
	141	quiet_cmd_host-cxxmulti = HOSTLD $@
	142	cmd_host-cxxmulti = $(HOSTCXX) $(HOSTLDFLAGS) -o $@ \
	143	$(foreach o,objs cxxobjs,\
	144	$(addprefix $(obj)/,$($(@F)-$(o)))) \
	145	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
97e3226e	146	$(host-cxxmulti): FORCE
1da177e4	147	$(call if_changed,host-cxxmulti)
97e3226e	148	$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)
1da177e4 LT	149
	150	# Create .o file from a single .cc (C++) file
	151	quiet_cmd_host-cxxobjs = HOSTCXX $@
	152	cmd_host-cxxobjs = $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
767e581d	153	$(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
1da177e4 LT	154	$(call if_changed_dep,host-cxxobjs)
1da177e4 LT	155
63d9c273 MT	156	# Compile .c file, create position independent .o file
	157	# host-cshobjs -> .o
	158	quiet_cmd_host-cshobjs = HOSTCC -fPIC $@
	159	cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
	160	$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
	161	$(call if_changed_dep,host-cshobjs)
	162
	163	# Compile .c file, create position independent .o file
	164	# host-cxxshobjs -> .o
	165	quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@
	166	cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
	167	$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
	168	$(call if_changed_dep,host-cxxshobjs)
	169
	170	# Link a shared library, based on position independent .o files
	171	# *.o -> .so shared library (host-cshlib)
	172	quiet_cmd_host-cshlib = HOSTLLD -shared $@
	173	cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
	174	$(addprefix $(obj)/,$($(@F:.so=-objs))) \
	175	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
	176	$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
	177	$(call if_changed,host-cshlib)
	178
	179	# Link a shared library, based on position independent .o files
	180	# *.o -> .so shared library (host-cxxshlib)
	181	quiet_cmd_host-cxxshlib = HOSTLLD -shared $@
	182	cmd_host-cxxshlib = $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \
	183	$(addprefix $(obj)/,$($(@F:.so=-objs))) \
	184	$(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
	185	$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE
	186	$(call if_changed,host-cxxshlib)
	187
1da177e4	188	targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\
63d9c273	189	$(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs)