1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 # 2 #
3 # Build userspace programs for the target syst 3 # Build userspace programs for the target system
4 # 4 #
5 5
6 # Executables compiled from a single .c file 6 # Executables compiled from a single .c file
7 user-csingle := $(foreach m, $(userprogs), 7 user-csingle := $(foreach m, $(userprogs), $(if $($(m)-objs),,$(m)))
8 8
9 # Executables linked based on several .o files 9 # Executables linked based on several .o files
10 user-cmulti := $(foreach m, $(userprogs), 10 user-cmulti := $(foreach m, $(userprogs), $(if $($(m)-objs),$(m)))
11 11
12 # Objects compiled from .c files 12 # Objects compiled from .c files
13 user-cobjs := $(sort $(foreach m, $(userp 13 user-cobjs := $(sort $(foreach m, $(userprogs), $($(m)-objs)))
14 14
15 user-csingle := $(addprefix $(obj)/, $(user 15 user-csingle := $(addprefix $(obj)/, $(user-csingle))
16 user-cmulti := $(addprefix $(obj)/, $(user 16 user-cmulti := $(addprefix $(obj)/, $(user-cmulti))
17 user-cobjs := $(addprefix $(obj)/, $(user 17 user-cobjs := $(addprefix $(obj)/, $(user-cobjs))
18 18
19 user_ccflags = -Wp,-MMD,$(depfile) $(KBUILD 19 user_ccflags = -Wp,-MMD,$(depfile) $(KBUILD_USERCFLAGS) $(userccflags) \
20 $($(target-stem)-userc 20 $($(target-stem)-userccflags)
21 user_ldflags = $(KBUILD_USERLDFLAGS) $(user 21 user_ldflags = $(KBUILD_USERLDFLAGS) $(userldflags) $($(target-stem)-userldflags)
22 user_ldlibs = $(userldlibs) $($(target-ste 22 user_ldlibs = $(userldlibs) $($(target-stem)-userldlibs)
23 23
24 # Create an executable from a single .c file 24 # Create an executable from a single .c file
25 quiet_cmd_user_cc_c = CC [U] $@ 25 quiet_cmd_user_cc_c = CC [U] $@
26 cmd_user_cc_c = $(CC) $(user_ccflags) $( 26 cmd_user_cc_c = $(CC) $(user_ccflags) $(user_ldflags) -o $@ $< \
27 $(user_ldlibs) 27 $(user_ldlibs)
28 $(user-csingle): $(obj)/%: $(src)/%.c FORCE 28 $(user-csingle): $(obj)/%: $(src)/%.c FORCE
29 $(call if_changed_dep,user_cc_c) 29 $(call if_changed_dep,user_cc_c)
30 30
31 # Link an executable based on list of .o files 31 # Link an executable based on list of .o files
32 quiet_cmd_user_ld = LD [U] $@ 32 quiet_cmd_user_ld = LD [U] $@
33 cmd_user_ld = $(CC) $(user_ldflags) -o $ 33 cmd_user_ld = $(CC) $(user_ldflags) -o $@ \
34 $(addprefix $(obj)/, $($(t 34 $(addprefix $(obj)/, $($(target-stem)-objs)) $(user_ldlibs)
35 $(user-cmulti): FORCE 35 $(user-cmulti): FORCE
36 $(call if_changed,user_ld) 36 $(call if_changed,user_ld)
37 $(call multi_depend, $(user-cmulti), , -objs) 37 $(call multi_depend, $(user-cmulti), , -objs)
38 38
39 # Create .o file from a .c file 39 # Create .o file from a .c file
40 quiet_cmd_user_cc_o_c = CC [U] $@ 40 quiet_cmd_user_cc_o_c = CC [U] $@
41 cmd_user_cc_o_c = $(CC) $(user_ccflags) 41 cmd_user_cc_o_c = $(CC) $(user_ccflags) -c -o $@ $<
42 $(user-cobjs): $(obj)/%.o: $(src)/%.c FORCE 42 $(user-cobjs): $(obj)/%.o: $(src)/%.c FORCE
43 $(call if_changed_dep,user_cc_o_c) 43 $(call if_changed_dep,user_cc_o_c)
44 44
45 targets += $(user-csingle) $(user-cmulti) $(us 45 targets += $(user-csingle) $(user-cmulti) $(user-cobjs)
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