xref: /openbmc/linux/scripts/Makefile.userprogs (revision 7f3a59db)
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
7user-csingle	:= $(foreach m, $(userprogs), $(if $($(m)-objs),,$(m)))
8
9# Executables linked based on several .o files
10user-cmulti	:= $(foreach m, $(userprogs), $(if $($(m)-objs),$(m)))
11
12# Objects compiled from .c files
13user-cobjs	:= $(sort $(foreach m, $(userprogs), $($(m)-objs)))
14
15user-csingle	:= $(addprefix $(obj)/, $(user-csingle))
16user-cmulti	:= $(addprefix $(obj)/, $(user-cmulti))
17user-cobjs	:= $(addprefix $(obj)/, $(user-cobjs))
18
19user_ccflags	= -Wp,-MMD,$(depfile) $(KBUILD_USERCFLAGS) $(userccflags) \
20			$($(target-stem)-userccflags)
21user_ldflags	= $(KBUILD_USERLDFLAGS) $(userldflags) $($(target-stem)-userldflags)
22
23# Create an executable from a single .c file
24quiet_cmd_user_cc_c = CC [U]  $@
25      cmd_user_cc_c = $(CC) $(user_ccflags) $(user_ldflags) -o $@ $< \
26		      $($(target-stem)-userldlibs)
27$(user-csingle): $(obj)/%: $(src)/%.c FORCE
28	$(call if_changed_dep,user_cc_c)
29
30# Link an executable based on list of .o files
31quiet_cmd_user_ld = LD [U]  $@
32      cmd_user_ld = $(CC) $(user_ldflags) -o $@ \
33		    $(addprefix $(obj)/, $($(target-stem)-objs)) \
34		    $($(target-stem)-userldlibs)
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
40quiet_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
45targets += $(user-csingle) $(user-cmulti) $(user-cobjs)
46