mirror of
https://github.com/eledio-devices/thirdparty-littlefs.git
synced 2025-10-31 00:32:38 +01:00
50ad2adc96
This required a patch to the --diff flag for the scripts to ignore
a missing file. This enables the useful one liner for making comparisons
with potentially missing previous versions:
./scripts/code.py lfs.o -d lfs.o.code.csv -o lfs.o.code.csv
function (0 added, 0 removed) old new diff
TOTAL 25476 25476 +0
One downside, these previous files are easy to delete as a part of make
clean, which limits their usefulness for comparing configuration
changes...
172 lines
3.7 KiB
Makefile
172 lines
3.7 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)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 ?= $(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
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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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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 STRUCTSFLAGS += -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 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: calls
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calls: $(CGI)
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./scripts/calls.py $^ $(CALLSFLAGS)
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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: code
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code: $(OBJ)
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./scripts/code.py $^ -S $(CODEFLAGS)
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.PHONY: code-diff
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code-diff: $(OBJ)
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./scripts/code.py $^ -d $(TARGET).code.csv -o $(TARGET).code.csv $(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: data-diff
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data-diff: $(OBJ)
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./scripts/data.py $^ -d $(TARGET).data.csv -o $(TARGET).data.csv $(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: stack-diff
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stack-diff: $(CGI)
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./scripts/stack.py $^ -d $(TARGET).stack.csv -o $(TARGET).stack.csv $(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: structs-diff
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structs-diff: $(OBJ)
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./scripts/structs.py $^ -d $(TARGET).structs.csv -o $(TARGET).structs.csv $(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: coverage-diff
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coverage-diff:
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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 $(TARGET).*.csv
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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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