Christopher Haster
2b11f2b426
GCC is a bit annoying here, it can't generate .cgi files without generating the related .o files, though I suppose the alternative risks duplicating a large amount of compilation work (littlefs is really a small project). Previously we rebuilt the .o files anytime we needed .cgi files (callgraph info used for stack.py). This changes it so we always built .cgi files as a side-effect of compilation. This is similar to the .d file generation, though may be annoying if the system cc doesn't support --callgraph-info.
204 lines
4.7 KiB
Makefile
204 lines
4.7 KiB
Makefile
ifdef BUILDDIR
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# make sure BUILDDIR ends with a slash
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override BUILDDIR := $(BUILDDIR)/
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# bit of a hack, but we want to make sure BUILDDIR directory structure
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# is correct before any commands
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$(if $(findstring n,$(MAKEFLAGS)),, $(shell mkdir -p \
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$(BUILDDIR) \
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$(BUILDDIR)bd \
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$(BUILDDIR)runners \
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$(BUILDDIR)tests))
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endif
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# overridable target/src/tools/flags/etc
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ifneq ($(wildcard test.c main.c),)
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TARGET ?= $(BUILDDIR)lfs
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else
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TARGET ?= $(BUILDDIR)lfs.a
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endif
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CC ?= gcc
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AR ?= ar
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SIZE ?= size
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CTAGS ?= ctags
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NM ?= nm
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OBJDUMP ?= objdump
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LCOV ?= lcov
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SRC ?= $(filter-out $(wildcard *.*.c),$(wildcard *.c))
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OBJ := $(SRC:%.c=$(BUILDDIR)%.o)
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DEP := $(SRC:%.c=$(BUILDDIR)%.d)
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ASM := $(SRC:%.c=$(BUILDDIR)%.s)
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CGI := $(SRC:%.c=$(BUILDDIR)%.ci)
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TESTS ?= $(wildcard tests/*.toml)
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TEST_SRC ?= $(SRC) \
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$(filter-out $(wildcard bd/*.*.c),$(wildcard bd/*.c)) \
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runners/test_runner.c
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TEST_TSRC := $(TESTS:%.toml=$(BUILDDIR)%.t.c) $(TEST_SRC:%.c=$(BUILDDIR)%.t.c)
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TEST_TASRC := $(TEST_TSRC:%.t.c=%.t.a.c)
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TEST_TAOBJ := $(TEST_TASRC:%.t.a.c=%.t.a.o)
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TEST_TADEP := $(TEST_TASRC:%.t.a.c=%.t.a.d)
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ifdef DEBUG
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override CFLAGS += -O0
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else
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override CFLAGS += -Os
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endif
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ifdef TRACE
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override CFLAGS += -DLFS_YES_TRACE
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endif
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override CFLAGS += -g3
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override CFLAGS += -I.
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override CFLAGS += -std=c99 -Wall -pedantic
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override CFLAGS += -Wextra -Wshadow -Wjump-misses-init -Wundef
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override CFLAGS += -ftrack-macro-expansion=0
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override TESTFLAGS += -b
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# forward -j flag
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override TESTFLAGS += $(filter -j%,$(MAKEFLAGS))
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ifdef VERBOSE
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override TESTFLAGS += -v
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override CODEFLAGS += -v
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override DATAFLAGS += -v
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override STACKFLAGS += -v
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override STRUCTSFLAGS += -v
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override COVERAGEFLAGS += -v
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override TESTFLAGS += -v
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override TESTCFLAGS += -v
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endif
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ifdef EXEC
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override TESTFLAGS += --exec="$(EXEC)"
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endif
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ifdef COVERAGE
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override TESTFLAGS += --coverage
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endif
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ifdef BUILDDIR
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override TESTFLAGS += --build-dir="$(BUILDDIR:/=)"
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override CODEFLAGS += --build-dir="$(BUILDDIR:/=)"
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override DATAFLAGS += --build-dir="$(BUILDDIR:/=)"
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override STACKFLAGS += --build-dir="$(BUILDDIR:/=)"
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override STRUCTSFLAGS += --build-dir="$(BUILDDIR:/=)"
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override COVERAGEFLAGS += --build-dir="$(BUILDDIR:/=)"
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endif
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ifneq ($(NM),nm)
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override CODEFLAGS += --nm-tool="$(NM)"
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override DATAFLAGS += --nm-tool="$(NM)"
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endif
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ifneq ($(OBJDUMP),objdump)
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override STRUCTSFLAGS += --objdump-tool="$(OBJDUMP)"
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endif
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# commands
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.PHONY: all build
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all build: $(TARGET)
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.PHONY: asm
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asm: $(ASM)
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.PHONY: size
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size: $(OBJ)
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$(SIZE) -t $^
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.PHONY: tags
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tags:
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$(CTAGS) --totals --c-types=+p $(shell find -H -name '*.h') $(SRC)
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.PHONY: test_runner
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test_runner: $(BUILDDIR)runners/test_runner
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.PHONY: test
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test: test_runner
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./scripts/test.py --runner=$(BUILDDIR)runners/test_runner $(TESTFLAGS)
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.PHONY: test_list
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test_list: test_runner
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./scripts/test.py --runner=$(BUILDDIR)runners/test_runner $(TESTFLAGS) -l
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.PHONY: code
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code: $(OBJ)
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./scripts/code.py $^ -S $(CODEFLAGS)
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.PHONY: data
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data: $(OBJ)
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./scripts/data.py $^ -S $(DATAFLAGS)
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.PHONY: stack
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stack: $(CGI)
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./scripts/stack.py $^ -S $(STACKFLAGS)
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.PHONY: structs
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structs: $(OBJ)
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./scripts/structs.py $^ -S $(STRUCTSFLAGS)
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.PHONY: coverage
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coverage:
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./scripts/coverage.py $(BUILDDIR)tests/*.toml.info -s $(COVERAGEFLAGS)
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.PHONY: summary
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summary: $(BUILDDIR)lfs.csv
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./scripts/summary.py -Y $^ $(SUMMARYFLAGS)
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# rules
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-include $(DEP)
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-include $(TEST_TADEP)
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.SUFFIXES:
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.SECONDARY:
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$(BUILDDIR)lfs: $(OBJ)
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$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
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$(BUILDDIR)lfs.a: $(OBJ)
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$(AR) rcs $@ $^
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$(BUILDDIR)lfs.csv: $(OBJ) $(CGI)
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./scripts/code.py $(OBJ) -q $(CODEFLAGS) -o $@
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./scripts/data.py $(OBJ) -q -m $@ $(DATAFLAGS) -o $@
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./scripts/stack.py $(CGI) -q -m $@ $(STACKFLAGS) -o $@
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./scripts/structs.py $(OBJ) -q -m $@ $(STRUCTSFLAGS) -o $@
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$(if $(COVERAGE),\
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./scripts/coverage.py $(BUILDDIR)tests/*.toml.info \
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-q -m $@ $(COVERAGEFLAGS) -o $@)
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$(BUILDDIR)runners/test_runner: $(TEST_TAOBJ)
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$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
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# our main build rule generates .o, .d, and .ci files, the latter
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# used for stack analysis
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$(BUILDDIR)%.o $(BUILDDIR)%.ci: %.c
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$(CC) -c -MMD -fcallgraph-info=su $(CFLAGS) $< -o $(BUILDDIR)$*.o
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$(BUILDDIR)%.s: %.c
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$(CC) -S $(CFLAGS) $< -o $@
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$(BUILDDIR)%.a.c: %.c
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./scripts/explode_asserts.py $< -o $@
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$(BUILDDIR)%.a.c: $(BUILDDIR)%.c
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./scripts/explode_asserts.py $< -o $@
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$(BUILDDIR)%.t.c: %.toml
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./scripts/test.py -c $< $(TESTCFLAGS) -o $@
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$(BUILDDIR)%.t.c: %.c $(TESTS)
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./scripts/test.py -c $(TESTS) -s $< $(TESTCFLAGS) -o $@
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# clean everything
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.PHONY: clean
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clean:
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rm -f $(BUILDDIR)lfs
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rm -f $(BUILDDIR)lfs.a
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rm -f $(BUILDDIR)lfs.csv
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rm -f $(BUILDDIR)runners/test_runner
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rm -f $(OBJ)
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rm -f $(CGI)
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rm -f $(DEP)
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rm -f $(ASM)
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rm -f $(TEST_TSRC)
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rm -f $(TEST_TASRC)
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rm -f $(TEST_TAOBJ)
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rm -f $(TEST_TADEP)
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