mirror of
https://github.com/littlefs-project/littlefs.git
synced 2025-10-29 19:47:49 +00:00
f4c7af76f8
Note this detects loops (recursion), and renders this as infinity. Currently littlefs does have a single recursive function and you can see how this infects the full call graph. Eventually this should be removed.
144 lines
2.9 KiB
Makefile
144 lines
2.9 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)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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LCOV ?= lcov
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SRC ?= $(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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ifdef DEBUG
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override CFLAGS += -O0 -g3
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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 += -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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ifdef VERBOSE
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override TESTFLAGS += -v
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override CALLSFLAGS += -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 COVERAGEFLAGS += -v
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endif
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ifdef EXEC
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override TESTFLAGS += --exec="$(EXEC)"
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endif
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ifdef BUILDDIR
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override TESTFLAGS += --build-dir="$(BUILDDIR:/=)"
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override CALLSFLAGS += --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 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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override CODEFLAGS += -S
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override DATAFLAGS += -S
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override STACKFLAGS += -S
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override COVERAGEFLAGS += -s
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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: code
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code: $(OBJ)
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./scripts/code.py $^ $(CODEFLAGS)
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.PHONY: data
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data: $(OBJ)
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./scripts/data.py $^ $(DATAFLAGS)
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.PHONY: calls
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calls: $(CGI)
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./scripts/calls.py $^ $(CALLSFLAGS)
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.PHONY: stack
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stack: $(CGI)
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./scripts/stack.py $^ $(STACKFLAGS)
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.PHONY: test
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test:
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./scripts/test.py $(TESTFLAGS)
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.SECONDEXPANSION:
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test%: tests/test$$(firstword $$(subst \#, ,%)).toml
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./scripts/test.py $@ $(TESTFLAGS)
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.PHONY: coverage
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coverage:
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./scripts/coverage.py $(BUILDDIR)tests/*.toml.info $(COVERAGEFLAGS)
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# rules
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-include $(DEP)
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.SUFFIXES:
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$(BUILDDIR)lfs: $(OBJ)
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$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
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$(BUILDDIR)%.a: $(OBJ)
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$(AR) rcs $@ $^
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$(BUILDDIR)%.o: %.c
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$(CC) -c -MMD $(CFLAGS) $< -o $@
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$(BUILDDIR)%.s: %.c
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$(CC) -S $(CFLAGS) $< -o $@
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$(BUILDDIR)%.ci: %.c
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$(CC) -c -MMD -fcallgraph-info=su $(CFLAGS) $< -o $(@:.ci=.o)
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# clean everything
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.PHONY: clean
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clean:
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rm -f $(TARGET)
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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 $(BUILDDIR)tests/*.toml.*
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