| # 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) |
| user_ldlibs = $(userldlibs) $($(target-stem)-userldlibs) |
| |
| # 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 $@ $< \ |
| $(user_ldlibs) |
| $(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)) $(user_ldlibs) |
| $(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) |
