2 # kbuild: Generic definitions
9 space := $(empty) $(empty)
11 BUILD_DIR_NAME = _build
12 COMPILED_DIR_NAME = _compiled
14 USER_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include
15 USER_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib
16 USER_UTILS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-utils
17 USER_TESTS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-tests
18 USER_BIN_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin
19 USER_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/user
20 LINK_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/link
22 USER_OBJS_DIR = $(USER_BUILD_DIR)/$(RELATIVE_DIR)
23 KERN_OBJS_DIR = $(KERN_BUILD_DIR)/$(RELATIVE_DIR)
24 OMK_WORK_DIR = $(USER_OBJS_DIR)
26 strip_out = $(patsubst $(OUTPUT_DIR)/%,%,$(1))
27 repl_out = $(patsubst $(OUTPUT_DIR)/%,$$(OUTPUT_DIR)/%,$(1))
35 rule_targets = $($(1)_targets)
36 rule_deps = $($(1)_deps)
37 rule_msg = $($(1)_msg)
38 rule_cmd = $($(1)_cmd)
40 # Usage: $(call build_rule,<target>)
42 $(rule_target): $(rule_deps) $(omk_inc_file)
43 @$(QUIET_CMD_ECHO) " "$(rule_msg) "$$(call strip_out,$$(@))"
47 # TODO: Include target.omk only in the subtree
48 -include $(shell true; find $(USER_BUILD_DIR) -name '*omk.inc') # `true' is a hack for MinGW
50 $(foreach rule,$(prepared_rules),$(eval $(call build_rule,$(rule))))
52 .PHONY: build-pseudo-pass
53 build-pseudo-pass: $(foreach target,$(default_build_targets),$(target))
59 $(eval $(call omk_pass_template,prepare-pass,$(USER_OBJS_DIR),,always))
62 # Name of the prepared rule. This name is used as prefix of variable
63 # names in .omk.inc and is based on the first target
64 omk_inc_rule = $(firstword $(1:$(OUTPUT_DIR)/%=%))
66 # The name of .omk.inc file is derived from $(omk_inc_rule) and
67 # depends whether the target is under _build or elsewhere.
68 omk_inc_file = $(if $(filter $(BUILD_DIR_NAME)%,$(omk_inc_rule)),\
69 $(OMK_WORK_DIR)/$(notdir $(omk_inc_rule)).omk.inc,\
70 $(OMK_WORK_DIR)/$(subst /,_,$(omk_inc_rule)).omk.inc)
72 target_omk_file = $(OMK_WORK_DIR)/$(notdir $(1)).target.omk
75 # prepare_rule is used to generate .omk.inc files during prepare-pass.
76 # All paths in this file should be relative to $(OUTPUT_DIR)
77 # Usage: $(call prepare_rule,<targets>,<deps>,<msg>,<cmd>)
79 prepare-pass-local: $(omk_inc_file)
81 $(omk_inc_file): FORCE
82 $(Q)echo 'prepared_rules += $(omk_inc_rule)' > $$@.tmp; \
83 echo '$(omk_inc_rule)_targets = $$(call strip_out,$(1))' >> $$@.tmp; \
84 echo '$(omk_inc_rule)_deps += $$(call strip_out,$(2))' >> $$@.tmp; \
85 echo '$(omk_inc_rule)_msg = $(3)' >> $$@.tmp; \
86 echo '$(omk_inc_rule)_cmd = $$(call repl_out,$(4))' >> $$@.tmp; \
87 if cmp -s $$@.tmp $$@; then rm $$@.tmp; else mv $$@.tmp $$@; fi
91 # prepare_rule_default - same as prepare rules but the target is put
92 # as dependency to the default build rule, which causes it to be built
94 define prepare_rule_default
95 $(call prepare_rule,$(1),$(2),$(3),$(4))
96 prepared_default_build_targets += $(call strip_out,$(1))
99 prepare-pass-local: $(OMK_WORK_DIR)/omk.inc
100 $(OMK_WORK_DIR)/omk.inc: FORCE
101 $(Q)echo 'default_build_targets += $(prepared_default_build_targets)' > $@.tmp; \
102 if cmp -s $@.tmp $@; then rm $@.tmp; else mv $@.tmp $@; fi
109 # Usage: $(call program_template,<executable-name>,<bin|utils|test>)
110 define program_template
111 $(1)_OBJS += $$(patsubst %.c,%.o,$$(filter %.c,$$($(1)_SOURCES)))
112 $(1)_OBJS := $$(addprefix $(USER_OBJS_DIR),$$(sort $$($(1)_OBJS:%/=%)))
114 USER_OBJS += $$($(1)_OBJS)
115 USER_SOURCES += $$($(1)_SOURCES)
119 program_cmd = $$(if $$(filter %.cc,$$($(1)_SOURCES)),$$(CXX),$$(CC)) \
120 $$($(1)_OBJS) $$($(1)_LIBS:%=-l%) $$(LOADLIBES) $$(LDFLAGS) -Wl,-rpath-link,$(USER_LIB_DIR) \
121 -Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map -o $$$$@
123 $(call prepare_rule_default,\
124 $(USER_BIN_DIR)/$(1)$(EXE_SUFFIX),\
125 $$($(1)_OBJS) $$($(1)_LIBS),\
130 c_o_cmd := set -e; cd $$(dir $$@); \
131 if $$(c_o_COMPILE) $$(CC_DEPFLAGS) -o $$@ -c $$< ; \
132 then mv -f "$$@.d.tmp" "$$@.d" ; \
133 else rm -f "$$@.d.tmp" ; \
137 $(foreach prog,$(bin_PROGRAMS),$(eval $(call program_template,$(prog),bin)))
138 $(foreach src,$(filter %.c,$(USER_SOURCES)),$(eval $(call prepare_rule,\
139 $(USER_OBJS_DIR)/$(src:%.c=%.o),\
140 $(SOURCES_DIR)/$(src),\
144 default: prepare-pass
145 $(MAKE) -qp build-pseudo-pass > make.dp.build-pseudo-pass
146 $(MAKE) build-pseudo-pass