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# Copyright 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
DEPS=Makefile *.h
# if a monotonic clock reading is preferred, see util.h, GetCurrentTimeNanos(),
# set the USE_MONOTONIC_TIME flag
DEFINES=
ifneq (,$(wildcard /usr/include/testimony.h))
DEFINES += -DTESTIMONY
DEPS += /usr/include/testimony.h
endif
ifneq (,$(wildcard /usr/bin/c++))
CXX=/usr/bin/c++
endif
SHARED_CFLAGS=-std=c++0x -Wall -fno-strict-aliasing $(DEFINES)
SHARED_LDFLAGS=-lleveldb -lrt -laio -lpthread -lsnappy -lseccomp
ifneq (,$(wildcard /usr/include/testimony.h))
SHARED_LDFLAGS += -ltestimony
endif
OPT_CFLAGS_SEC=-fPIC -fPIE -fstack-protector -D_FORTIFY_SOURCE=2
OPT_CFLAGS=-O2 $(OPT_CFLAGS_SEC)
OPT_LDFLAGS_SEC=-Wl,-z,now -Wl,-z,relro
OPT_LDFLAGS=$(OPT_LDFLAGS_SEC)
DBG_CFLAGS=-g -fno-omit-frame-pointer -O1 -fno-optimize-sibling-calls
DBG_LDFLAGS=
FILES=util packets index aio stenotype
AFL=afl-g++
FUZZ_FILES=util index index_bin
# We allow for the compiling of Clang binaries with -fsanitize=XXX by setting
# the SANITIZE argument. If that argument is set, we'll build stenotype using
# Clang-specific flags.
# Examples:
# make SANITIZE=address
# make SANITIZE=memory
# make SANITIZE=thread
# NOTE: When sanitize is used, many security options are NOT. Sanitize should
# be used just for testing, NOT for production systems.
SANITIZE=
ifndef SANITIZE
OBJECTS=$(foreach file,$(FILES),$(file)_opt.o)
CFLAGS:=$(CFLAGS) $(SHARED_CFLAGS) $(OPT_CFLAGS)
LDFLAGS:=$(LDFLAGS) $(SHARED_LDFLAGS) $(OPT_LDFLAGS)
else
OBJECTS=$(foreach file,$(FILES),$(file)_$(SANITIZE)_dbg.o)
CFLAGS:=$(CFLAGS) $(SHARED_CFLAGS) $(DBG_CFLAGS) -fsanitize=$(SANITIZE)
LDFLAGS:=$(LDFLAGS) $(SHARED_LDFLAGS) $(DBG_LDFLAGS)
CXX=clang++ # Force clang if we're sanitizing
endif
ifeq "$(SANITIZE)" "memory"
CFLAGS += -fsanitize-memory-track-origins
endif
all: stenotype
clean:
rm -f *.o stenotype index_fuzz core
### Building stenotype, either in normal (g++) or sanitization (clang) modes ###
# Generate g++ object files.
%_opt.o: %.cc $(DEPS)
$(CXX) $(CFLAGS) $(CPPFLAGS) $(SHARED_CFLAGS) -c -o $@ $<
# Generate clang object files.
%_$(SANITIZE)_dbg.o: %.cc $(DEPS)
$(CXX) $(CFLAGS) $(CPPFLAGS) $(SHARED_CFLAGS) -c -o $@ $<
# Generate the stenotype binary itself. You mostly want this :)
stenotype: $(OBJECTS)
$(CXX) $(CFLAGS) $(CPPFLAGS) -o $@ $^ $(LDFLAGS)
### Fuzzing with AFL ###
# Generate afl object files.
%_afl.o: %.cc $(DEPS)
$(AFL) $(SHARED_CFLAGS) -c -o $@ $<
# Generate binary for afl fuzzing, which exercises the indexing code path.
index_fuzz: $(foreach file,$(FUZZ_FILES),$(file)_afl.o)
$(AFL) $(SHARED_CFLAGS) -o index_fuzz $^ $(SHARED_LDFLAGS)
# Run afl-fuzz to fuzz the index_fuzz binary.
fuzz: index_fuzz
afl-fuzz -i afl_tests -o afl_findings ./index_fuzz @@
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