# SPDX-License-Identifier: GPL-2.0-only # # Build userspace programs for the target system # # Executables compiled from a single .c file user-csingle := $(foreach m, $(userprogs), $(if $($(m)-objs),,$(m))) # Executables linked based on several .o files user-cmulti := $(foreach m, $(userprogs), $(if $($(m)-objs),$(m))) # Objects compiled from .c files user-cobjs := $(sort $(foreach m, $(userprogs), $($(m)-objs))) user-csingle := $(addprefix $(obj)/, $(user-csingle)) user-cmulti := $(addprefix $(obj)/, $(user-cmulti)) user-cobjs := $(addprefix $(obj)/, $(user-cobjs)) user_ccflags = -Wp,-MMD,$(depfile) $(KBUILD_USERCFLAGS) $(userccflags) \ $($(target-stem)-userccflags) user_ldflags = $(KBUILD_USERLDFLAGS) $(userldflags) $($(target-stem)-userldflags) # Create an executable from a single .c file quiet_cmd_user_cc_c = CC [U] $@ cmd_user_cc_c = $(CC) $(user_ccflags) $(user_ldflags) -o $@ $< \ $($(target-stem)-userldlibs) $(user-csingle): $(obj)/%: $(src)/%.c FORCE $(call if_changed_dep,user_cc_c) # Link an executable based on list of .o files quiet_cmd_user_ld = LD [U] $@ cmd_user_ld = $(CC) $(user_ldflags) -o $@ \ $(addprefix $(obj)/, $($(target-stem)-objs)) \ $($(target-stem)-userldlibs) $(user-cmulti): FORCE $(call if_changed,user_ld) $(call multi_depend, $(user-cmulti), , -objs) # Create .o file from a .c file quiet_cmd_user_cc_o_c = CC [U] $@ cmd_user_cc_o_c = $(CC) $(user_ccflags) -c -o $@ $< $(user-cobjs): $(obj)/%.o: $(src)/%.c FORCE $(call if_changed_dep,user_cc_o_c) targets += $(user-csingle) $(user-cmulti) $(user-cobjs)