Lines Matching +full:build +full:- +full:rules
1 # SPDX-License-Identifier: GPL-2.0
3 # Main build makefile.
9 # Copyright (C) Linus Torvalds <torvalds@linux-foundation.org>, 2015
23 ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
27 build-dir := $(srctree)/tools/build
29 # Define $(fixdep) for dep-cmd function
31 fixdep := $(build-dir)/fixdep
37 include $(build-dir)/Build.include
40 -include $(OUTPUT).config-detected
42 # Init all relevant variables used in build files so
45 subdir-y :=
46 obj-y :=
47 subdir-y :=
48 subdir-obj-y :=
50 # Build definitions
51 build-file := $(dir)/Build
52 -include $(build-file)
60 cmd_mkdir = mkdir -p $(dir $@)
61 rule_mkdir = $(if $(wildcard $(dir $@)),,@$(call echo-cmd,mkdir) $(cmd_mkdir))
65 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
68 cmd_host_cc_o_c = $(HOSTCC) $(host_c_flags) -c -o $@ $<
71 cmd_cxx_o_c = $(CXX) $(cxx_flags) -c -o $@ $<
74 cmd_cpp_i_c = $(CC) $(c_flags) -E -o $@ $<
77 cmd_cc_s_c = $(CC) $(c_flags) -S -o $@ $<
84 cmd_ld_multi = $(if $(strip $(obj-y)),\
85 $(LD) -r -o $@ $(filter $(obj-y),$^),rm -f $@; $(AR) rcs $@)
88 cmd_host_ld_multi = $(if $(strip $(obj-y)),\
89 $(HOSTLD) -r -o $@ $(filter $(obj-y),$^),rm -f $@; $(HOSTAR) rcs $@)
95 # Build rules
122 $(OUTPUT)%-bison.o: $(OUTPUT)%-bison.c FORCE
126 $(OUTPUT)%-flex.o: $(OUTPUT)%-flex.c FORCE
130 # Gather build data:
131 # obj-y - list of build objects
132 # subdir-y - list of directories to nest
133 # subdir-obj-y - list of directories objects 'dir/$(obj)-in.o'
134 obj-y := $($(obj)-y)
135 subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
136 obj-y := $(patsubst %/, %/$(obj)-in.o, $(obj-y))
137 subdir-obj-y := $(filter %/$(obj)-in.o, $(obj-y))
141 obj-y := $(addprefix $(objprefix),$(obj-y))
142 subdir-obj-y := $(addprefix $(objprefix),$(subdir-obj-y))
144 # Final '$(obj)-in.o' object
145 in-target := $(objprefix)$(obj)-in.o
147 PHONY += $(subdir-y)
149 $(subdir-y):
150 $(Q)$(MAKE) -f $(build-dir)/Makefile.build dir=$(dir)/$@ obj=$(obj)
152 $(sort $(subdir-obj-y)): $(subdir-y) ;
154 $(in-target): $(obj-y) FORCE
158 __build: $(in-target)
164 # Include all cmd files to get all the dependency rules
166 targets := $(wildcard $(sort $(obj-y) $(in-target) $(MAKECMDGOALS)))