littlefs/Makefile
Christopher Haster 92eee8e6cd Removed some prefixes from Makefile variables where not necessary
Also renamed GCI -> CI, this holds .ci files, though there is a risk
of confusion with continuous integration.

Also added unused but generated .ci files to clean rule.
2022-08-15 12:13:00 -05:00

207 lines
4.8 KiB
Makefile

ifdef BUILDDIR
# make sure BUILDDIR ends with a slash
override BUILDDIR := $(BUILDDIR)/
# bit of a hack, but we want to make sure BUILDDIR directory structure
# is correct before any commands
$(if $(findstring n,$(MAKEFLAGS)),, $(shell mkdir -p \
$(BUILDDIR) \
$(BUILDDIR)bd \
$(BUILDDIR)runners \
$(BUILDDIR)tests))
endif
# overridable target/src/tools/flags/etc
ifneq ($(wildcard test.c main.c),)
TARGET ?= $(BUILDDIR)lfs
else
TARGET ?= $(BUILDDIR)lfs.a
endif
CC ?= gcc
AR ?= ar
SIZE ?= size
CTAGS ?= ctags
NM ?= nm
OBJDUMP ?= objdump
LCOV ?= lcov
SRC ?= $(filter-out $(wildcard *.*.c),$(wildcard *.c))
OBJ := $(SRC:%.c=$(BUILDDIR)%.o)
DEP := $(SRC:%.c=$(BUILDDIR)%.d)
ASM := $(SRC:%.c=$(BUILDDIR)%.s)
CI := $(SRC:%.c=$(BUILDDIR)%.ci)
GCDA := $(SRC:%.c=$(BUILDDIR)%.t.a.gcda)
TESTS ?= $(wildcard tests/*.toml)
TEST_SRC ?= $(SRC) \
$(filter-out $(wildcard bd/*.*.c),$(wildcard bd/*.c)) \
runners/test_runner.c
TEST_TC := $(TESTS:%.toml=$(BUILDDIR)%.t.c) $(TEST_SRC:%.c=$(BUILDDIR)%.t.c)
TEST_TAC := $(TEST_TC:%.t.c=%.t.a.c)
TEST_OBJ := $(TEST_TAC:%.t.a.c=%.t.a.o)
TEST_DEP := $(TEST_TAC:%.t.a.c=%.t.a.d)
TEST_CI := $(TEST_TAC:%.t.a.c=%.t.a.ci)
TEST_GCNO := $(TEST_TAC:%.t.a.c=%.t.a.gcno)
TEST_GCDA := $(TEST_TAC:%.t.a.c=%.t.a.gcda)
ifdef DEBUG
override CFLAGS += -O0
else
override CFLAGS += -Os
endif
ifdef TRACE
override CFLAGS += -DLFS_YES_TRACE
endif
override CFLAGS += -g3
override CFLAGS += -I.
override CFLAGS += -std=c99 -Wall -pedantic
override CFLAGS += -Wextra -Wshadow -Wjump-misses-init -Wundef
override CFLAGS += -ftrack-macro-expansion=0
override TESTFLAGS += -b
# forward -j flag
override TESTFLAGS += $(filter -j%,$(MAKEFLAGS))
ifdef VERBOSE
override TESTFLAGS += -v
override CODEFLAGS += -v
override DATAFLAGS += -v
override STACKFLAGS += -v
override STRUCTSFLAGS += -v
override COVERAGEFLAGS += -v
override TESTFLAGS += -v
override TESTCFLAGS += -v
endif
ifdef EXEC
override TESTFLAGS += --exec="$(EXEC)"
endif
ifdef BUILDDIR
override TESTFLAGS += --build-dir="$(BUILDDIR:/=)"
override CODEFLAGS += --build-dir="$(BUILDDIR:/=)"
override DATAFLAGS += --build-dir="$(BUILDDIR:/=)"
override STACKFLAGS += --build-dir="$(BUILDDIR:/=)"
override STRUCTSFLAGS += --build-dir="$(BUILDDIR:/=)"
override COVERAGEFLAGS += --build-dir="$(BUILDDIR:/=)"
endif
ifneq ($(NM),nm)
override CODEFLAGS += --nm-tool="$(NM)"
override DATAFLAGS += --nm-tool="$(NM)"
endif
ifneq ($(OBJDUMP),objdump)
override STRUCTSFLAGS += --objdump-tool="$(OBJDUMP)"
endif
# commands
.PHONY: all build
all build: $(TARGET)
.PHONY: asm
asm: $(ASM)
.PHONY: size
size: $(OBJ)
$(SIZE) -t $^
.PHONY: tags
tags:
$(CTAGS) --totals --c-types=+p $(shell find -H -name '*.h') $(SRC)
.PHONY: test-runner
test-runner: override CFLAGS+=--coverage
test-runner: $(BUILDDIR)runners/test_runner
.PHONY: test
test: test-runner
rm -f $(TEST_GCDA)
./scripts/test.py --runner=$(BUILDDIR)runners/test_runner $(TESTFLAGS)
.PHONY: test-list
test-list: test-runner
./scripts/test.py --runner=$(BUILDDIR)runners/test_runner $(TESTFLAGS) -l
.PHONY: code
code: $(OBJ)
./scripts/code.py $^ -S $(CODEFLAGS)
.PHONY: data
data: $(OBJ)
./scripts/data.py $^ -S $(DATAFLAGS)
.PHONY: stack
stack: $(CI)
./scripts/stack.py $^ -S $(STACKFLAGS)
.PHONY: structs
structs: $(OBJ)
./scripts/structs.py $^ -S $(STRUCTSFLAGS)
.PHONY: coverage
coverage: $(GCDA)
./scripts/coverage.py $^ -s $(COVERAGEFLAGS)
.PHONY: summary
summary: $(BUILDDIR)lfs.csv
./scripts/summary.py -Y $^ $(SUMMARYFLAGS)
# rules
-include $(DEP)
-include $(TEST_DEP)
.SUFFIXES:
.SECONDARY:
$(BUILDDIR)lfs: $(OBJ)
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
$(BUILDDIR)lfs.a: $(OBJ)
$(AR) rcs $@ $^
$(BUILDDIR)lfs.csv: $(OBJ) $(CI)
./scripts/code.py $(OBJ) -q $(CODEFLAGS) -o $@
./scripts/data.py $(OBJ) -q -m $@ $(DATAFLAGS) -o $@
./scripts/stack.py $(CI) -q -m $@ $(STACKFLAGS) -o $@
./scripts/structs.py $(OBJ) -q -m $@ $(STRUCTSFLAGS) -o $@
$(BUILDDIR)runners/test_runner: $(TEST_OBJ)
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
# our main build rule generates .o, .d, and .ci files, the latter
# used for stack analysis
$(BUILDDIR)%.o $(BUILDDIR)%.ci: %.c
$(CC) -c -MMD -fcallgraph-info=su $(CFLAGS) $< -o $(BUILDDIR)$*.o
$(BUILDDIR)%.s: %.c
$(CC) -S $(CFLAGS) $< -o $@
$(BUILDDIR)%.a.c: %.c
./scripts/explode_asserts.py $< -o $@
$(BUILDDIR)%.a.c: $(BUILDDIR)%.c
./scripts/explode_asserts.py $< -o $@
$(BUILDDIR)%.t.c: %.toml
./scripts/test.py -c $< $(TESTCFLAGS) -o $@
$(BUILDDIR)%.t.c: %.c $(TESTS)
./scripts/test.py -c $(TESTS) -s $< $(TESTCFLAGS) -o $@
# clean everything
.PHONY: clean
clean:
rm -f $(BUILDDIR)lfs
rm -f $(BUILDDIR)lfs.a
rm -f $(BUILDDIR)lfs.csv
rm -f $(BUILDDIR)runners/test_runner
rm -f $(OBJ)
rm -f $(DEP)
rm -f $(ASM)
rm -f $(CI)
rm -f $(TEST_TC)
rm -f $(TEST_TAC)
rm -f $(TEST_OBJ)
rm -f $(TEST_DEP)
rm -f $(TEST_CI)
rm -f $(TEST_GCNO)
rm -f $(TEST_GCDA)