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# 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)
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