Christopher Haster
37f738cc71
Now, fractions are considered equal if they have the same ratio: - 6/6 == 12/12 => True - 3/6 == 3/12 => False - 1/6 == 2/12 => True It's interesting to note this implementation is actually more numerically stable than float comparison, though that wasn't really the goal. The main reason for this is to allow other fields to take over when sorting multi-field fractional data: cov (lines + branches), testmarks (passed + time), etc. Before, sorting would usually stop after mismatched fraction fields, which wasn't all that useful.
578 lines
14 KiB
Makefile
578 lines
14 KiB
Makefile
ifdef 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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$(BUILDDIR)/tests \
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$(BUILDDIR)/benches))
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endif
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BUILDDIR ?= .
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# default to building a library
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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)/liblfs.a
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endif
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# find source files
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SRC ?= $(filter-out $(wildcard *.t.* *.b.*),$(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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CI := $(SRC:%.c=$(BUILDDIR)/%.ci)
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GCDA := $(SRC:%.c=$(BUILDDIR)/%.t.a.gcda)
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TESTS ?= $(wildcard tests/*.toml)
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TEST_SRC ?= $(SRC) \
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$(filter-out $(wildcard bd/*.t.* bd/*.b.*),$(wildcard bd/*.c)) \
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runners/test_runner.c
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TEST_RUNNER ?= $(BUILDDIR)/runners/test_runner
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TEST_C := $(TESTS:%.toml=$(BUILDDIR)/%.t.c) \
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$(TEST_SRC:%.c=$(BUILDDIR)/%.t.c)
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TEST_A := $(TEST_C:%.t.c=%.t.a.c)
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TEST_OBJ := $(TEST_A:%.t.a.c=%.t.a.o)
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TEST_DEP := $(TEST_A:%.t.a.c=%.t.a.d)
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TEST_CI := $(TEST_A:%.t.a.c=%.t.a.ci)
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TEST_GCNO := $(TEST_A:%.t.a.c=%.t.a.gcno)
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TEST_GCDA := $(TEST_A:%.t.a.c=%.t.a.gcda)
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TEST_PERF := $(TEST_RUNNER:%=%.perf)
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TEST_TRACE := $(TEST_RUNNER:%=%.trace)
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TEST_CSV := $(TEST_RUNNER:%=%.csv)
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BENCHES ?= $(wildcard benches/*.toml)
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BENCH_SRC ?= $(SRC) \
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$(filter-out $(wildcard bd/*.t.* bd/*.b.*),$(wildcard bd/*.c)) \
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runners/bench_runner.c
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BENCH_RUNNER ?= $(BUILDDIR)/runners/bench_runner
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BENCH_C := $(BENCHES:%.toml=$(BUILDDIR)/%.b.c) \
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$(BENCH_SRC:%.c=$(BUILDDIR)/%.b.c)
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BENCH_A := $(BENCH_C:%.b.c=%.b.a.c)
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BENCH_OBJ := $(BENCH_A:%.b.a.c=%.b.a.o)
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BENCH_DEP := $(BENCH_A:%.b.a.c=%.b.a.d)
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BENCH_CI := $(BENCH_A:%.b.a.c=%.b.a.ci)
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BENCH_GCNO := $(BENCH_A:%.b.a.c=%.b.a.gcno)
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BENCH_GCDA := $(BENCH_A:%.b.a.c=%.b.a.gcda)
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BENCH_PERF := $(BENCH_RUNNER:%=%.perf)
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BENCH_TRACE := $(BENCH_RUNNER:%=%.trace)
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BENCH_CSV := $(BENCH_RUNNER:%=%.csv)
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# overridable tools/flags
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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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VALGRIND ?= valgrind
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GDB ?= gdb
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PERF ?= perf
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PRETTYASSERTS ?= ./scripts/prettyasserts.py
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CFLAGS += -fcallgraph-info=su
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CFLAGS += -g3
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CFLAGS += -I.
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CFLAGS += -std=c99 -Wall -Wextra -pedantic
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CFLAGS += -ftrack-macro-expansion=0
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ifdef DEBUG
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CFLAGS += -O0
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else
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CFLAGS += -Os
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endif
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ifdef TRACE
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CFLAGS += -DLFS_YES_TRACE
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endif
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ifdef COVGEN
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CFLAGS += --coverage
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endif
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ifdef PERFGEN
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CFLAGS += -fno-omit-frame-pointer
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endif
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ifdef PERFBDGEN
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CFLAGS += -fno-omit-frame-pointer
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endif
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TEST_CFLAGS += -Wno-unused-function
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TEST_CFLAGS += -Wno-format-overflow
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BENCH_CFLAGS += -Wno-unused-function
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BENCH_CFLAGS += -Wno-format-overflow
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ifdef VERBOSE
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CODEFLAGS += -v
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DATAFLAGS += -v
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STACKFLAGS += -v
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STRUCTSFLAGS += -v
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COVFLAGS += -v
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PERFFLAGS += -v
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PERFBDFLAGS += -v
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endif
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# forward -j flag
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PERFFLAGS += $(filter -j%,$(MAKEFLAGS))
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PERFBDFLAGS += $(filter -j%,$(MAKEFLAGS))
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ifneq ($(NM),nm)
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CODEFLAGS += --nm-path="$(NM)"
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DATAFLAGS += --nm-path="$(NM)"
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endif
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ifneq ($(OBJDUMP),objdump)
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CODEFLAGS += --objdump-path="$(OBJDUMP)"
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DATAFLAGS += --objdump-path="$(OBJDUMP)"
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STRUCTSFLAGS += --objdump-path="$(OBJDUMP)"
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PERFFLAGS += --objdump-path="$(OBJDUMP)"
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PERFBDFLAGS += --objdump-path="$(OBJDUMP)"
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endif
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ifneq ($(PERF),perf)
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PERFFLAGS += --perf-path="$(PERF)"
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endif
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TESTFLAGS += -b
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BENCHFLAGS += -b
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# forward -j flag
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TESTFLAGS += $(filter -j%,$(MAKEFLAGS))
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BENCHFLAGS += $(filter -j%,$(MAKEFLAGS))
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ifdef PERFGEN
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TESTFLAGS += -p $(TEST_PERF)
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BENCHFLAGS += -p $(BENCH_PERF)
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endif
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ifdef PERFBDGEN
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TESTFLAGS += -t $(TEST_TRACE) --trace-backtrace --trace-freq=100
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endif
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ifdef PERFBDGEN
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BENCHFLAGS += -t $(BENCH_TRACE) --trace-backtrace --trace-freq=100
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endif
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ifdef TESTMARKS
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TESTFLAGS += -o $(TEST_CSV)
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endif
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ifdef BENCHMARKS
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BENCHFLAGS += -o $(BENCH_CSV)
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endif
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ifdef VERBOSE
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TESTFLAGS += -v
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TESTCFLAGS += -v
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BENCHFLAGS += -v
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BENCHCFLAGS += -v
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endif
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ifdef EXEC
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TESTFLAGS += --exec="$(EXEC)"
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BENCHFLAGS += --exec="$(EXEC)"
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endif
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ifneq ($(GDB),gdb)
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TESTFLAGS += --gdb-path="$(GDB)"
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BENCHFLAGS += --gdb-path="$(GDB)"
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endif
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ifneq ($(VALGRIND),valgrind)
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TESTFLAGS += --valgrind-path="$(VALGRIND)"
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BENCHFLAGS += --valgrind-path="$(VALGRIND)"
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endif
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ifneq ($(PERF),perf)
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TESTFLAGS += --perf-path="$(PERF)"
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BENCHFLAGS += --perf-path="$(PERF)"
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endif
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# top-level commands
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## Build littlefs
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.PHONY: all build
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all build: $(TARGET)
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## Build assembly files
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.PHONY: asm
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asm: $(ASM)
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## Find the total size
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.PHONY: size
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size: $(OBJ)
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$(SIZE) -t $^
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## Generate a ctags file
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.PHONY: tags ctags
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tags ctags:
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$(strip $(CTAGS) \
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--totals --fields=+n --c-types=+p \
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$(shell find -H -name '*.h') $(SRC))
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## Show this help text
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.PHONY: help
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help:
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@$(strip awk '/^## / { \
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sub(/^## /,""); \
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getline rule; \
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while (rule ~ /^(#|\.PHONY|ifdef|ifndef)/) getline rule; \
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gsub(/:.*/, "", rule); \
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if (length(rule) <= 21) { \
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printf "%2s%-21s %s\n", "", rule, $$0; \
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} else { \
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printf "%2s%s\n", "", rule; \
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printf "%24s%s\n", "", $$0; \
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} \
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}' $(MAKEFILE_LIST))
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## Find the per-function code size
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.PHONY: code
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code: CODEFLAGS+=-S
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code: $(OBJ) $(BUILDDIR)/lfs.code.csv
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./scripts/code.py $(OBJ) $(CODEFLAGS)
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## Compare per-function code size
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.PHONY: code-diff
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code-diff: $(OBJ)
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./scripts/code.py $^ $(CODEFLAGS) -d $(BUILDDIR)/lfs.code.csv
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## Find the per-function data size
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.PHONY: data
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data: DATAFLAGS+=-S
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data: $(OBJ) $(BUILDDIR)/lfs.data.csv
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./scripts/data.py $(OBJ) $(DATAFLAGS)
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## Compare per-function data size
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.PHONY: data-diff
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data-diff: $(OBJ)
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./scripts/data.py $^ $(DATAFLAGS) -d $(BUILDDIR)/lfs.data.csv
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## Find the per-function stack usage
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.PHONY: stack
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stack: STACKFLAGS+=-S
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stack: $(CI) $(BUILDDIR)/lfs.stack.csv
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./scripts/stack.py $(CI) $(STACKFLAGS)
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## Compare per-function stack usage
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.PHONY: stack-diff
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stack-diff: $(CI)
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./scripts/stack.py $^ $(STACKFLAGS) -d $(BUILDDIR)/lfs.stack.csv
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## Find function sizes
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.PHONY: funcs
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funcs: SUMMARYFLAGS+=-S
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funcs: \
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$(BUILDDIR)/lfs.code.csv \
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$(BUILDDIR)/lfs.data.csv \
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$(BUILDDIR)/lfs.stack.csv
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$(strip ./scripts/summary.py $^ \
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-bfunction \
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-fcode=code_size \
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-fdata=data_size \
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-fstack=stack_limit --max=stack \
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$(SUMMARYFLAGS))
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## Compare function sizes
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.PHONY: funcs-diff
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funcs-diff: SHELL=/bin/bash
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funcs-diff: $(OBJ) $(CI)
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$(strip ./scripts/summary.py \
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<(./scripts/code.py $(OBJ) -q $(CODEFLAGS) -o-) \
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<(./scripts/data.py $(OBJ) -q $(DATAFLAGS) -o-) \
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<(./scripts/stack.py $(CI) -q $(STACKFLAGS) -o-) \
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-bfunction \
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-fcode=code_size \
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-fdata=data_size \
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-fstack=stack_limit --max=stack \
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$(SUMMARYFLAGS) -d <(./scripts/summary.py \
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$(BUILDDIR)/lfs.code.csv \
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$(BUILDDIR)/lfs.data.csv \
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$(BUILDDIR)/lfs.stack.csv \
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-q $(SUMMARYFLAGS) -o-))
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## Find struct sizes
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.PHONY: structs
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structs: STRUCTSFLAGS+=-S
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structs: $(OBJ) $(BUILDDIR)/lfs.structs.csv
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./scripts/structs.py $(OBJ) $(STRUCTSFLAGS)
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## Compare struct sizes
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.PHONY: structs-diff
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structs-diff: $(OBJ)
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./scripts/structs.py $^ $(STRUCTSFLAGS) -d $(BUILDDIR)/lfs.structs.csv
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## Find the line/branch coverage after a test run
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.PHONY: cov
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cov: COVFLAGS+=-s
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cov: $(GCDA) $(BUILDDIR)/lfs.cov.csv
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$(strip ./scripts/cov.py $(GCDA) \
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$(patsubst %,-F%,$(SRC)) \
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$(COVFLAGS))
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## Compare line/branch coverage
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.PHONY: cov-diff
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cov-diff: $(GCDA)
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$(strip ./scripts/cov.py $^ \
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$(patsubst %,-F%,$(SRC)) \
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$(COVFLAGS) -d $(BUILDDIR)/lfs.cov.csv)
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## Find the perf results after bench run with PERFGEN
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.PHONY: perf
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perf: PERFFLAGS+=-S
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perf: $(BENCH_PERF) $(BUILDDIR)/lfs.perf.csv
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$(strip ./scripts/perf.py $(BENCH_PERF) \
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$(patsubst %,-F%,$(SRC)) \
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$(PERFFLAGS))
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|
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## Compare perf results
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.PHONY: perf-diff
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perf-diff: $(BENCH_PERF)
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$(strip ./scripts/perf.py $^ \
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$(patsubst %,-F%,$(SRC)) \
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$(PERFFLAGS) -d $(BUILDDIR)/lfs.perf.csv)
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|
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## Find the perfbd results after a bench run
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.PHONY: perfbd
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perfbd: PERFBDFLAGS+=-S
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perfbd: $(BENCH_TRACE) $(BUILDDIR)/lfs.perfbd.csv
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$(strip ./scripts/perfbd.py $(BENCH_RUNNER) $(BENCH_TRACE) \
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$(patsubst %,-F%,$(SRC)) \
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$(PERFBDFLAGS))
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|
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## Compare perfbd results
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.PHONY: perfbd-diff
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perfbd-diff: $(BENCH_TRACE)
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$(strip ./scripts/perfbd.py $(BENCH_RUNNER) $^ \
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$(patsubst %,-F%,$(SRC)) \
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$(PERFBDFLAGS) -d $(BUILDDIR)/lfs.perfbd.csv)
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|
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## Find a summary of compile-time sizes
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.PHONY: summary sizes
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summary sizes: \
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$(BUILDDIR)/lfs.code.csv \
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$(BUILDDIR)/lfs.data.csv \
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$(BUILDDIR)/lfs.stack.csv \
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$(BUILDDIR)/lfs.structs.csv
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$(strip ./scripts/summary.py $^ \
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-fcode=code_size \
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-fdata=data_size \
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-fstack=stack_limit --max=stack \
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-fstructs=struct_size \
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-Y $(SUMMARYFLAGS))
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## Compare compile-time sizes
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.PHONY: summary-diff sizes-diff
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summary-diff sizes-diff: SHELL=/bin/bash
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summary-diff sizes-diff: $(OBJ) $(CI)
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$(strip ./scripts/summary.py \
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<(./scripts/code.py $(OBJ) -q $(CODEFLAGS) -o-) \
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<(./scripts/data.py $(OBJ) -q $(DATAFLAGS) -o-) \
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<(./scripts/stack.py $(CI) -q $(STACKFLAGS) -o-) \
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<(./scripts/structs.py $(OBJ) -q $(STRUCTSFLAGS) -o-) \
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-fcode=code_size \
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-fdata=data_size \
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-fstack=stack_limit --max=stack \
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-fstructs=struct_size \
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-Y $(SUMMARYFLAGS) -d <(./scripts/summary.py \
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$(BUILDDIR)/lfs.code.csv \
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$(BUILDDIR)/lfs.data.csv \
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$(BUILDDIR)/lfs.stack.csv \
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$(BUILDDIR)/lfs.structs.csv \
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-q $(SUMMARYFLAGS) -o-))
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## Build the test-runner
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.PHONY: test-runner build-tests
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test-runner build-tests: CFLAGS+=$(TEST_CFLAGS)
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# note we remove some binary dependent files during compilation,
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# otherwise it's way to easy to end up with outdated results
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test-runner build-tests: $(TEST_RUNNER)
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ifdef COVGEN
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rm -f $(TEST_GCDA)
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endif
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ifdef PERFGEN
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rm -f $(TEST_PERF)
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endif
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ifdef PERFBDGEN
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rm -f $(TEST_TRACE)
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endif
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|
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## Run the tests, -j enables parallel tests
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|
.PHONY: test
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test: test-runner
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./scripts/test.py -R$(TEST_RUNNER) $(TESTFLAGS)
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|
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## List the tests
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|
.PHONY: test-list list-tests
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test-list list-tests: test-runner
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./scripts/test.py -R$(TEST_RUNNER) $(TESTFLAGS) -l
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|
|
## Summarize the test results
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|
.PHONY: testmarks
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testmarks: SUMMARYFLAGS+=-spassed -Stime
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testmarks: $(TEST_CSV) $(BUILDDIR)/lfs.test.csv
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$(strip ./scripts/summary.py $(TEST_CSV) \
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|
-bsuite \
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-fpassed=test_passed \
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-ftime=test_time \
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$(SUMMARYFLAGS))
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|
|
## Compare test results against a previous run
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|
.PHONY: testmarks-diff
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testmarks-diff: $(TEST_CSV)
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|
$(strip ./scripts/summary.py $^ \
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-bsuite \
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-fpassed=test_passed \
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$(SUMMARYFLAGS) -d $(BUILDDIR)/lfs.test.csv)
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|
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## Build the bench-runner
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|
.PHONY: bench-runner build-benches
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|
bench-runner build-benches: CFLAGS+=$(BENCH_CFLAGS)
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# note we remove some binary dependent files during compilation,
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|
# otherwise it's way to easy to end up with outdated results
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|
bench-runner build-benches: $(BENCH_RUNNER)
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ifdef COVGEN
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rm -f $(BENCH_GCDA)
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endif
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ifdef PERFGEN
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rm -f $(BENCH_PERF)
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endif
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ifdef PERFBDGEN
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rm -f $(BENCH_TRACE)
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endif
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|
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## Run the benches, -j enables parallel benches
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|
.PHONY: bench
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bench: bench-runner
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./scripts/bench.py -R$(BENCH_RUNNER) $(BENCHFLAGS)
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## List the benches
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|
.PHONY: bench-list list-benches
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|
bench-list list-benches: bench-runner
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./scripts/bench.py -R$(BENCH_RUNNER) $(BENCHFLAGS) -l
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## Summarize the bench results
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|
.PHONY: benchmarks
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benchmarks: SUMMARYFLAGS+=-Serased -Sproged -Sreaded
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benchmarks: $(BENCH_CSV) $(BUILDDIR)/lfs.bench.csv
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$(strip ./scripts/summary.py $(BENCH_CSV) \
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-bsuite \
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-freaded=bench_readed \
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-fproged=bench_proged \
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-ferased=bench_erased \
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$(SUMMARYFLAGS))
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## Compare bench results against a previous run
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|
.PHONY: benchmarks-diff
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benchmarks-diff: $(BENCH_CSV)
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$(strip ./scripts/summary.py $^ \
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-bsuite \
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-freaded=bench_readed \
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-fproged=bench_proged \
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-ferased=bench_erased \
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$(SUMMARYFLAGS) -d $(BUILDDIR)/lfs.bench.csv)
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# low-level rules
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|
-include $(DEP)
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-include $(TEST_DEP)
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.SUFFIXES:
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.SECONDARY:
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|
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$(BUILDDIR)/lfs: $(OBJ)
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$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
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|
$(BUILDDIR)/liblfs.a: $(OBJ)
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$(AR) rcs $@ $^
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|
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|
$(BUILDDIR)/lfs.code.csv: $(OBJ)
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|
./scripts/code.py $^ -q $(CODEFLAGS) -o $@
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|
|
|
$(BUILDDIR)/lfs.data.csv: $(OBJ)
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|
./scripts/data.py $^ -q $(DATAFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/lfs.stack.csv: $(CI)
|
|
./scripts/stack.py $^ -q $(STACKFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/lfs.structs.csv: $(OBJ)
|
|
./scripts/structs.py $^ -q $(STRUCTSFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/lfs.cov.csv: $(GCDA)
|
|
$(strip ./scripts/cov.py $^ \
|
|
$(patsubst %,-F%,$(SRC)) \
|
|
-q $(COVFLAGS) -o $@)
|
|
|
|
$(BUILDDIR)/lfs.perf.csv: $(BENCH_PERF)
|
|
$(strip ./scripts/perf.py $^ \
|
|
$(patsubst %,-F%,$(SRC)) \
|
|
-q $(PERFFLAGS) -o $@)
|
|
|
|
$(BUILDDIR)/lfs.perfbd.csv: $(BENCH_TRACE)
|
|
$(strip ./scripts/perfbd.py $(BENCH_RUNNER) $^ \
|
|
$(patsubst %,-F%,$(SRC)) \
|
|
-q $(PERFBDFLAGS) -o $@)
|
|
|
|
$(BUILDDIR)/lfs.test.csv: $(TEST_CSV)
|
|
cp $^ $@
|
|
|
|
$(BUILDDIR)/lfs.bench.csv: $(BENCH_CSV)
|
|
cp $^ $@
|
|
|
|
$(BUILDDIR)/runners/test_runner: $(TEST_OBJ)
|
|
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/runners/bench_runner: $(BENCH_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 $(CFLAGS) $< -o $(BUILDDIR)/$*.o
|
|
|
|
$(BUILDDIR)/%.s: %.c
|
|
$(CC) -S $(CFLAGS) $< -o $@
|
|
|
|
$(BUILDDIR)/%.a.c: %.c
|
|
$(PRETTYASSERTS) -Plfs_ $< -o $@
|
|
|
|
$(BUILDDIR)/%.a.c: $(BUILDDIR)/%.c
|
|
$(PRETTYASSERTS) -Plfs_ $< -o $@
|
|
|
|
$(BUILDDIR)/%.t.c: %.toml
|
|
./scripts/test.py -c $< $(TESTCFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/%.t.c: %.c $(TESTS)
|
|
./scripts/test.py -c $(TESTS) -s $< $(TESTCFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/%.b.c: %.toml
|
|
./scripts/bench.py -c $< $(BENCHCFLAGS) -o $@
|
|
|
|
$(BUILDDIR)/%.b.c: %.c $(BENCHES)
|
|
./scripts/bench.py -c $(BENCHES) -s $< $(BENCHCFLAGS) -o $@
|
|
|
|
## Clean everything
|
|
.PHONY: clean
|
|
clean:
|
|
rm -f $(BUILDDIR)/lfs
|
|
rm -f $(BUILDDIR)/liblfs.a
|
|
rm -f $(BUILDDIR)/lfs.code.csv
|
|
rm -f $(BUILDDIR)/lfs.data.csv
|
|
rm -f $(BUILDDIR)/lfs.stack.csv
|
|
rm -f $(BUILDDIR)/lfs.structs.csv
|
|
rm -f $(BUILDDIR)/lfs.cov.csv
|
|
rm -f $(BUILDDIR)/lfs.perf.csv
|
|
rm -f $(BUILDDIR)/lfs.perfbd.csv
|
|
rm -f $(BUILDDIR)/lfs.test.csv
|
|
rm -f $(BUILDDIR)/lfs.bench.csv
|
|
rm -f $(OBJ)
|
|
rm -f $(DEP)
|
|
rm -f $(ASM)
|
|
rm -f $(CI)
|
|
rm -f $(TEST_RUNNER)
|
|
rm -f $(TEST_A)
|
|
rm -f $(TEST_C)
|
|
rm -f $(TEST_OBJ)
|
|
rm -f $(TEST_DEP)
|
|
rm -f $(TEST_CI)
|
|
rm -f $(TEST_GCNO)
|
|
rm -f $(TEST_GCDA)
|
|
rm -f $(TEST_PERF)
|
|
rm -f $(TEST_TRACE)
|
|
rm -f $(TEST_CSV)
|
|
rm -f $(BENCH_RUNNER)
|
|
rm -f $(BENCH_A)
|
|
rm -f $(BENCH_C)
|
|
rm -f $(BENCH_OBJ)
|
|
rm -f $(BENCH_DEP)
|
|
rm -f $(BENCH_CI)
|
|
rm -f $(BENCH_GCNO)
|
|
rm -f $(BENCH_GCDA)
|
|
rm -f $(BENCH_PERF)
|
|
rm -f $(BENCH_TRACE)
|
|
rm -f $(BENCH_CSV)
|