1. 根目录:
2. tools
3. testing
4. selftests
5. exec
6. Makefile

CFLAGS = -Wall
BINARIES = execveat
DEPS = execveat.symlink execveat.denatured script subdir
all: $(BINARIES) $(DEPS)

subdir:
	mkdir -p $@
script:
	echo '#!/bin/sh' > $@
	echo 'exit $$*' >> $@
	chmod +x $@
execveat.symlink: execveat
	ln -s -f $< $@
execveat.denatured: execveat
	cp $< $@
	chmod -x $@
%: %.c
	$(CC) $(CFLAGS) -o $@ $^

TEST_PROGS := execveat
TEST_FILES := $(DEPS)

include ../lib.mk

override EMIT_TESTS := echo "mkdir -p subdir; (./execveat && echo \"selftests: execveat [PASS]\") || echo \"selftests: execveat [FAIL]\""

clean:
	rm -rf $(BINARIES) $(DEPS) subdir.moved execveat.moved xxxxx*