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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 \
$(BUILDDIR)tests))
endif
# overridable target/src/tools/flags/etc
ifneq ($(wildcard test.c main.c),)
TARGET ?= $(BUILDDIR)lfs
else
TARGET ?= $(BUILDDIR)lfs.a
endif
CC ?= gcc
AR ?= ar
SIZE ?= size
CTAGS ?= ctags
NM ?= nm
LCOV ?= lcov
SRC ?= $(wildcard *.c)
OBJ := $(SRC:%.c=$(BUILDDIR)%.o)
DEP := $(SRC:%.c=$(BUILDDIR)%.d)
ASM := $(SRC:%.c=$(BUILDDIR)%.s)
ifdef DEBUG
override CFLAGS += -O0 -g3
else
override CFLAGS += -Os
endif
ifdef TRACE
override CFLAGS += -DLFS_YES_TRACE
endif
override CFLAGS += -I.
override CFLAGS += -std=c99 -Wall -pedantic
override CFLAGS += -Wextra -Wshadow -Wjump-misses-init -Wundef
ifdef VERBOSE
override TESTFLAGS += -v
override CODEFLAGS += -v
override COVERAGEFLAGS += -v
endif
ifdef EXEC
override TESTFLAGS += --exec="$(EXEC)"
endif
ifdef BUILDDIR
override TESTFLAGS += --build-dir="$(BUILDDIR:/=)"
override CODEFLAGS += --build-dir="$(BUILDDIR:/=)"
endif
ifneq ($(NM),nm)
override CODEFLAGS += --nm-tool="$(NM)"
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: code
code: $(OBJ)
./scripts/code.py $^ $(CODEFLAGS)
.PHONY: test
test:
./scripts/test.py $(TESTFLAGS)
.SECONDEXPANSION:
test%: tests/test$$(firstword $$(subst \#, ,%)).toml
./scripts/test.py $@ $(TESTFLAGS)
.PHONY: coverage
coverage:
./scripts/coverage.py $(BUILDDIR)tests/*.toml.info $(COVERAGEFLAGS)
# rules
-include $(DEP)
.SUFFIXES:
$(BUILDDIR)lfs: $(OBJ)
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
$(BUILDDIR)%.a: $(OBJ)
$(AR) rcs $@ $^
$(BUILDDIR)%.o: %.c
$(CC) -c -MMD $(CFLAGS) $< -o $@
$(BUILDDIR)%.s: %.c
$(CC) -S $(CFLAGS) $< -o $@
# clean everything
.PHONY: clean
clean:
rm -f $(TARGET)
rm -f $(OBJ)
rm -f $(DEP)
rm -f $(ASM)
rm -f $(BUILDDIR)tests/*.toml.*
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