1# Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5BASE_VER=0 6include common.mk 7 8LIBDIR ?= lib 9PRELOADNAME = libminijailpreload.so 10PRELOADPATH = \"/$(LIBDIR)/$(PRELOADNAME)\" 11CPPFLAGS += -DPRELOADPATH="$(PRELOADPATH)" 12 13ifneq ($(HAVE_SECUREBITS_H),no) 14CPPFLAGS += -DHAVE_SECUREBITS_H 15endif 16 17ifeq ($(USE_seccomp),no) 18CPPFLAGS += -DUSE_SECCOMP_SOFTFAIL 19endif 20 21CFLAGS += -Wextra -Wno-missing-field-initializers 22CXXFLAGS += -Wextra -Wno-missing-field-initializers 23 24USE_SYSTEM_GTEST ?= no 25ifeq ($(USE_SYSTEM_GTEST),no) 26GTEST_CXXFLAGS := -std=gnu++11 27GTEST_MAIN := gtest_main.a 28GTEST_LIBS := gtest.a 29else 30GTEST_CXXFLAGS := $(gtest-config --cxxflags) 31GTEST_MAIN := -lgtest -lgtest_main 32GTEST_LIBS := $(gtest-config --libs) 33endif 34 35CORE_OBJECT_FILES := libminijail.o syscall_filter.o signal_handler.o \ 36 bpf.o util.o system.o syscall_wrapper.o \ 37 libconstants.gen.o libsyscalls.gen.o 38 39all: CC_BINARY(minijail0) CC_LIBRARY(libminijail.so) \ 40 CC_LIBRARY(libminijailpreload.so) 41 42parse_seccomp_policy: CXX_BINARY(parse_seccomp_policy) 43 44tests: TEST(CXX_BINARY(libminijail_unittest)) \ 45 TEST(CXX_BINARY(syscall_filter_unittest)) 46 47 48CC_BINARY(minijail0): LDLIBS += -lcap -ldl 49CC_BINARY(minijail0): $(CORE_OBJECT_FILES) elfparse.o minijail0.o 50clean: CLEAN(minijail0) 51 52 53CC_LIBRARY(libminijail.so): LDLIBS += -lcap 54CC_LIBRARY(libminijail.so): $(CORE_OBJECT_FILES) 55clean: CLEAN(libminijail.so) 56 57 58CXX_BINARY(libminijail_unittest): CXXFLAGS += -Wno-write-strings \ 59 $(GTEST_CXXFLAGS) 60CXX_BINARY(libminijail_unittest): LDLIBS += -lcap $(GTEST_MAIN) 61ifeq ($(USE_SYSTEM_GTEST),no) 62CXX_BINARY(libminijail_unittest): $(GTEST_MAIN) 63endif 64CXX_BINARY(libminijail_unittest): libminijail_unittest.o $(CORE_OBJECT_FILES) 65clean: CLEAN(libminijail_unittest) 66 67 68CC_LIBRARY(libminijailpreload.so): LDLIBS += -lcap -ldl 69CC_LIBRARY(libminijailpreload.so): libminijailpreload.o $(CORE_OBJECT_FILES) 70clean: CLEAN(libminijailpreload.so) 71 72 73CXX_BINARY(syscall_filter_unittest): CXXFLAGS += -Wno-write-strings \ 74 $(GTEST_CXXFLAGS) 75CXX_BINARY(syscall_filter_unittest): LDLIBS += -lcap $(GTEST_MAIN) 76ifeq ($(USE_SYSTEM_GTEST),no) 77CXX_BINARY(syscall_filter_unittest): $(GTEST_MAIN) 78endif 79CXX_BINARY(syscall_filter_unittest): syscall_filter_unittest.o \ 80 syscall_filter.o bpf.o util.o libconstants.gen.o \ 81 libsyscalls.gen.o 82clean: CLEAN(syscall_filter_unittest) 83 84 85CXX_BINARY(parse_seccomp_policy): parse_seccomp_policy.o syscall_filter.o \ 86 bpf.o util.o libconstants.gen.o libsyscalls.gen.o 87clean: CLEAN(parse_policy) 88 89 90libsyscalls.gen.o: CPPFLAGS += -I$(SRC) 91 92libsyscalls.gen.o.depends: libsyscalls.gen.c 93 94# Only regenerate libsyscalls.gen.c if the Makefile or header changes. 95# NOTE! This will not detect if the file is not appropriate for the target. 96libsyscalls.gen.c: $(SRC)/Makefile $(SRC)/libsyscalls.h 97 @printf "Generating target-arch specific $@...\n" 98 $(QUIET)$(SRC)/gen_syscalls.sh "$(CC)" "$@" 99 @printf "$@ done.\n" 100clean: CLEAN(libsyscalls.gen.c) 101 102$(eval $(call add_object_rules,libsyscalls.gen.o,CC,c,CFLAGS)) 103 104libconstants.gen.o: CPPFLAGS += -I$(SRC) 105 106libconstants.gen.o.depends: libconstants.gen.c 107 108# Only regenerate libconstants.gen.c if the Makefile or header changes. 109# NOTE! This will not detect if the file is not appropriate for the target. 110libconstants.gen.c: $(SRC)/Makefile $(SRC)/libconstants.h 111 @printf "Generating target-arch specific $@...\n" 112 $(QUIET)$(SRC)/gen_constants.sh "$(CC)" "$@" 113 @printf "$@ done.\n" 114clean: CLEAN(libconstants.gen.c) 115 116$(eval $(call add_object_rules,libconstants.gen.o,CC,c,CFLAGS)) 117 118 119################################################################################ 120# Google Test 121 122ifeq ($(USE_SYSTEM_GTEST),no) 123# Points to the root of Google Test, relative to where this file is. 124# Remember to tweak this if you move this file. 125GTEST_DIR = googletest-release-1.8.0/googletest 126 127# Flags passed to the preprocessor. 128# Set Google Test's header directory as a system directory, such that 129# the compiler doesn't generate warnings in Google Test headers. 130CPPFLAGS += -isystem $(GTEST_DIR)/include 131 132# Flags passed to the C++ compiler. 133GTEST_CXXFLAGS += -pthread 134 135# All Google Test headers. Usually you shouldn't change this 136# definition. 137GTEST_HEADERS = $(GTEST_DIR)/include/gtest/*.h \ 138 $(GTEST_DIR)/include/gtest/internal/*.h 139 140# House-keeping build targets. 141clean: clean_gtest 142 143clean_gtest: 144 rm -f gtest.a gtest_main.a *.o 145 146# Builds gtest.a and gtest_main.a. 147 148# Usually you shouldn't tweak such internal variables, indicated by a 149# trailing _. 150GTEST_SRCS_ = $(GTEST_DIR)/src/*.cc $(GTEST_DIR)/src/*.h $(GTEST_HEADERS) 151 152# For simplicity and to avoid depending on Google Test's 153# implementation details, the dependencies specified below are 154# conservative and not optimized. This is fine as Google Test 155# compiles fast and for ordinary users its source rarely changes. 156gtest-all.o : $(GTEST_SRCS_) 157 $(CXX) $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) $(GTEST_CXXFLAGS) -c \ 158 $(GTEST_DIR)/src/gtest-all.cc -o $@ 159 160gtest_main.o : $(GTEST_SRCS_) 161 $(CXX) $(CPPFLAGS) -I$(GTEST_DIR) $(CXXFLAGS) $(GTEST_CXXFLAGS) -c \ 162 $(GTEST_DIR)/src/gtest_main.cc -o $@ 163 164gtest.a : gtest-all.o 165 $(AR) $(ARFLAGS) $@ $^ 166 167gtest_main.a : gtest-all.o gtest_main.o 168 $(AR) $(ARFLAGS) $@ $^ 169 170endif 171################################################################################ 172