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