Makefile

#
# american fuzzy lop - makefile
# -----------------------------
#
# Written and maintained by Michal Zalewski <lcamtuf@google.com>
# 
# Copyright 2013, 2014 Google Inc. All rights reserved.
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
# 
#   http://www.apache.org/licenses/LICENSE-2.0
#

PROGNAME    = afl
VERSION     = 1.18c

PREFIX     ?= /usr/local
BIN_PATH    = $(PREFIX)/bin
HELPER_PATH = $(PREFIX)/lib/afl
DOC_PATH    = $(PREFIX)/share/doc/afl
MISC_PATH   = $(PREFIX)/share/afl

PROGS       = afl-gcc afl-as afl-fuzz afl-showmap

CFLAGS     ?= -O3 -funroll-loops
CFLAGS     += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign \
	      -DAFL_PATH=\"$(HELPER_PATH)\" -DDOC_PATH=\"$(DOC_PATH)\" \
	      -DVERSION=\"$(VERSION)\"

ifeq "$(findstring clang, $(shell $(CC) --version 2>/dev/null))" ""
  TEST_CC   = afl-gcc
else
  TEST_CC   = afl-clang
endif

COMM_HDR    = alloc-inl.h config.h debug.h types.h afl-run.h

all: test_x86 $(PROGS) test_build all_done

test_x86:
	@echo "[*] Checking for the ability to compile x86 code..."
	@echo 'main() { __asm__("xorb %al, %al"); }' | $(CC) -w -x c - -o .test || ( echo; echo "Oops, looks like your compiler can't generate x86 code."; echo; echo "(If you are looking for ARM, see experimental/arm_support/README.)"; echo; exit 1 )
	@rm -f .test
	@echo "[+] Everything seems to be working, ready to compile."

afl-gcc: afl-gcc.c $(COMM_HDR) | test_x86
	$(CC) $(CFLAGS) $(LDFLAGS) $@.c -o $@
	for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $$i; done

afl-as: afl-as.c afl-as.h $(COMM_HDR) | test_x86
	$(CC) $(CFLAGS) $(LDFLAGS) $@.c -o $@
	ln -s afl-as as  2>/dev/null || true

afl-fuzz: afl-fuzz.c afl-run.c $(COMM_HDR) | test_x86
	$(CC) $(CFLAGS) $(LDFLAGS) afl-fuzz.c afl-run.c -o $@

afl-showmap: afl-showmap.c afl-run.c $(COMM_HDR) | test_x86
	$(CC) $(CFLAGS) $(LDFLAGS) afl-showmap.c afl-run.c -o $@

test_build: afl-gcc afl-as afl-showmap
	@echo "[*] Testing the CC wrapper and instrumentation output..."
	unset AFL_USE_ASAN AFL_USE_MSAN; AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. ./$(TEST_CC) $(CFLAGS) $(LDFLAGS) test-instr.c -o test-instr
	echo 0 | AFL_SINK_OUTPUT=1 AFL_QUIET=1 ./afl-showmap ./test-instr 2>.test-instr0
	echo 1 | AFL_SINK_OUTPUT=1 AFL_QUIET=1 ./afl-showmap ./test-instr 2>.test-instr1
	@rm -f test-instr
	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please ping <lcamtuf@google.com> to troubleshoot the issue."; echo; exit 1; fi
	@echo "[+] All right, the instrumentation seems to be working!"

all_done: test_build
	@echo "[+] All done! Be sure to review README - it's pretty short and useful."
	@! tty <&1 >/dev/null || printf "\033[0;30mNOTE: If you can read this, your terminal probably uses white background.\nThis will make the UI hard to read. See docs/status_screen.txt for advice.\033[0m\n" 2>/dev/null

clean:
	rm -f $(PROGS) as afl-g++ afl-clang afl-clang++ *.o *~ a.out core core.[1-9][0-9]* *.stackdump test .test test-instr .test-instr0 .test-instr1
	rm -rf out_dir

install: all
	mkdir -p -m 755 $${DESTDIR}$(BIN_PATH) $${DESTDIR}$(HELPER_PATH) $${DESTDIR}$(DOC_PATH) $${DESTDIR}$(MISC_PATH)
	rm -f $${DESTDIR}$(BIN_PATH)/afl-plot.sh
	install -m 755 afl-gcc afl-fuzz afl-showmap afl-plot $${DESTDIR}$(BIN_PATH)
	for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $${DESTDIR}$(BIN_PATH)/$$i; done
	install -m 755 afl-as $${DESTDIR}$(HELPER_PATH)
	ln -sf afl-as $${DESTDIR}$(HELPER_PATH)/as
	install -m 644 docs/README docs/ChangeLog docs/*.txt $${DESTDIR}$(DOC_PATH)
	cp -r testcases/ $${DESTDIR}$(MISC_PATH)

publish: clean
	test "`basename $$PWD`" = "afl" || exit 1
	test -f ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz; if [ "$$?" = "0" ]; then echo; echo "Change program version in Makefile, mmkay?"; echo; exit 1; fi
	cd ..; rm -rf $(PROGNAME)-$(VERSION); cp -pr $(PROGNAME) $(PROGNAME)-$(VERSION); \
	  tar -cvz --exclude 'msie-jxr-*' --exclude 'msie-png-mem-*' --exclude 'msie-tiff-*' --exclude 'ffmpeg-*' -f ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz $(PROGNAME)-$(VERSION)
	chmod 644 ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz
	( cd ~/www/afl/releases/; ln -s -f $(PROGNAME)-$(VERSION).tgz $(PROGNAME)-latest.tgz )
	cat docs/README >~/www/afl/README.txt
	cat docs/status_screen.txt >~/www/afl/status_screen.txt
	cat docs/related_work.txt >~/www/afl/related_work.txt
	cat docs/ChangeLog >~/www/afl/ChangeLog.txt
	echo -n "$(VERSION)" >~/www/afl/version.txt