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|
# SPDX-License-Identifier: BSD-2-Clause
AWK ?= awk
READELF ?= readelf
BPFTRACE ?= bpftrace
OUTPUT ?= .output
SHARED ?= 0
CFLAGS += $(EXTRA_CFLAGS)
CXXFLAGS += $(EXTRA_CXXFLAGS)
LDFLAGS += $(EXTRA_LDFLAGS)
export AWK READELF BPFTRACE
ifeq ($(V),1)
Q =
msg =
else
Q = @
msg = @printf ' %-8s %s\n' \
"$(1)" \
"$(patsubst $(OUTPUT)/%,%,$(2))"
MAKEFLAGS += --no-print-directory
endif
ifeq ($(OUTPUT),)
$(error OUTPUT variable cannot be empty)
endif
ifeq ($(SHARED),1)
CFLAGS += -DSHARED -fPIC
CXXFLAGS += -DSHARED -fPIC
OBJDIR := $(OUTPUT)/shared
else
OBJDIR := $(OUTPUT)/static
endif
NONTESTS = tester common
TESTS := $(filter-out $(NONTESTS), \
$(shell ls *.c *.cpp 2>/dev/null | grep -v '^lib' | \
${AWK} '{split($$0, p, /[^A-Za-z_]+/); print p[1]}' | \
sort | uniq \
) \
)
LIBS := $(filter-out $(NONTESTS), \
$(shell ls lib*.c lib*.cpp 2>/dev/null | \
${AWK} '{split($$0, p, /[^A-Za-z_]+/); print substr(p[1], 4)}' | \
sort | uniq \
) \
)
BUILD_TARGETS = $(TESTS:%=build-%)
TEST_TARGETS = $(TESTS:%=test-%)
.PHONY: all
all: build
.PHONY: clean
clean:
$(call msg,CLEAN)
$(Q)$(RM) -rf $(OUTPUT)
.PHONY: list
list:
$(Q)$(foreach test,$(TESTS), $(info $(test)))
.PHONY: build
build: $(BUILD_TARGETS)
.PHONY: test
test: $(TEST_TARGETS)
$(OUTPUT) $(OBJDIR):
$(Q)mkdir -p $@
# arg_types.c/cxx_arg_types.cpp generate "warning: unsupported size for integer register"
$(OBJDIR)/arg_types.o: CFLAGS += -w
$(OBJDIR)/long_nop_usdt.o: CFLAGS += -w
$(OBJDIR)/cxx_arg_types.opp: CXXFLAGS += -w
$(OBJDIR)/cxx_long_nop_usdt.opp: CXXFLAGS += -w
$(OBJDIR)/%.o: %.c $(wildcard *.h) | $(OBJDIR)
$(call msg,CC,$@)
$(Q)$(CC) $(CFLAGS) -g -c $< -o $@
$(OBJDIR)/%.opp: %.cpp $(wildcard *.h) | $(OBJDIR)
$(call msg,CXX,$@)
$(Q)$(CXX) $(CXXFLAGS) -g -c $< -o $@
ifeq ($(SHARED),1)
define BUILD_RULE_LIB
$$(OBJDIR)/$(1): $$(OBJDIR)/lib$(1).so
$$(OBJDIR)/lib$(1).so: $$(patsubst %.c,$$(OBJDIR)/%.o,$$(wildcard lib$(1)*.c)) \
$$(patsubst %.cpp,$$(OBJDIR)/%.opp,$$(wildcard lib$(1)*.cpp)) \
| $$(OBJDIR)
$$(call msg,SHLIB,$$@)
$$(Q)$$(if $$(filter %.opp, $$^), \
$$(CXX) $$(CXXFLAGS) $$(LDFLAGS) --shared -g $$^ -o $$@, \
$$(CC) $$(CFLAGS) $$(LDFLAGS) --shared -g $$^ -o $$@)
endef
else # !SHARED
define BUILD_RULE_LIB
$$(OBJDIR)/$(1): $$(OBJDIR)/lib$(1).a
$$(OBJDIR)/lib$(1).a: $$(patsubst %.c,$$(OBJDIR)/%.o,$$(wildcard lib$(1)*.c)) \
$$(patsubst %.cpp,$$(OBJDIR)/%.opp,$$(wildcard lib$(1)*.cpp)) \
| $$(OBJDIR)
$$(call msg,LIB,$$@)
$$(Q)$$(RM) -f $$@
$$(Q)$$(AR) rcs $$@ $$^
endef
endif # SHARED
define BUILD_RULE
$$(OBJDIR)/$(1): $$(patsubst %.c,$$(OBJDIR)/%.o,$$(wildcard $(1)*.c)) \
$$(patsubst %.cpp,$$(OBJDIR)/%.opp,$$(wildcard $(1)*.cpp)) \
$$(OBJDIR)/common.o | $$(OBJDIR)
$$(call msg,LINK,$$@)
$$(Q)$$(if $$(filter %.opp, $$^), \
$$(CXX) $$(CXXFLAGS) $$(LDFLAGS) -g $$^ -o $$@, \
$$(CC) $$(CFLAGS) $$(LDFLAGS) -g $$^ -o $$@)
endef
$(foreach test, $(TESTS), $(eval $(call BUILD_RULE,$(test))))
$(foreach lib, $(LIBS), $(eval $(call BUILD_RULE_LIB,$(lib))))
$(BUILD_TARGETS): build-%: $(OBJDIR)/%
$(TEST_TARGETS): test-%: build-%
$(call msg,TESTING,$(if $(filter 1,$(SHARED)),shared/,static/)$(patsubst test-%,%,$@))
$(Q)./run_test.sh $(OBJDIR) $(patsubst test-%,%,$@)
|
