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