Makefile

CC = gcc
cc-option = $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null 1>&2 2>/dev/null; then echo $(1); fi)
CFLAGS += -Wall -Werror \
	  $(call cc-option,-fanalyzer)
CFLAGS_STATIC += -static $(CFLAGS)
LDLIBS += $(shell pkg-config --libs --static blkid)

SHELLCHECK_OPTS := $(shell shellcheck --help)

scripts = \
	vm-run \
	vm-run-stub \
	vm-initrd \
	vm-init \
	vm-create-image \
	vm-resize \
	filetrigger \
	createimage \
	bash_completion \
	kvm-ok

all: initrd-init fakesudo
initrd-init: initrd-init.c
	$(CC) $(CFLAGS_STATIC) $^ $(LDLIBS) -o $@
fakesudo: fakesudo.c
	$(CC) $(CFLAGS) $^ -o $@

clean:
	-rm -f initrd-init fakesudo *.o

check: shellcheck
shellcheck: $(scripts)
	$(foreach f,$^,bash -n $(f);)
ifneq ($(findstring --severity=,$(SHELLCHECK_OPTS)),)
	shellcheck --severity=error $^
endif

.PHONY: clean check shellcheck