1# Copyright (c) 2020 Huawei Device Co., Ltd. 2# Licensed under the Apache License, Version 2.0 (the "License"); 3# you may not use this file except in compliance with the License. 4# You may obtain a copy of the License at 5# 6# http://www.apache.org/licenses/LICENSE-2.0 7# 8# Unless required by applicable law or agreed to in writing, software 9# distributed under the License is distributed on an "AS IS" BASIS, 10# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11# See the License for the specific language governing permissions and 12# limitations under the License. 13 14config("cpu_arch") { 15 cflags = target_arch_cflags 16 cflags_cc = cflags 17 ldflags = cflags 18 asmflags = cflags 19} 20 21config("language_c") { 22 cflags_c = [ "-std=c99" ] 23} 24 25config("language_cpp") { 26 cflags_cc = [ "-std=c++11" ] 27} 28 29config("kernel_macros") { 30 if (ohos_kernel_type == "liteos_a") { 31 defines = [ 32 "__LITEOS__", 33 "__LITEOS_A__", 34 ] 35 } else if (ohos_kernel_type == "liteos_m") { 36 defines = [ 37 "__LITEOS__", 38 "__LITEOS_M__", 39 ] 40 } else if (ohos_kernel_type == "uniproton") { 41 defines = [ 42 "__uniproton__", 43 "__UNIPROTON__", 44 ] 45 } else if (ohos_kernel_type == "linux") { 46 defines = [ 47 "__linux__", 48 "__LINUX__", 49 ] 50 } 51} 52 53config("werror") { 54 cflags = [ "-Werror" ] 55 cflags_cc = cflags 56} 57 58config("common") { 59 defines = [ "_XOPEN_SOURCE=700" ] 60 cflags = [ 61 "-fno-common", 62 "-fno-builtin", 63 "-fno-strict-aliasing", 64 "-Wall", 65 ] 66 if (ohos_kernel_type == "linux") { 67 cflags += [ 68 "-funwind-tables", 69 "-fasynchronous-unwind-tables", 70 ] 71 } 72 cflags_cc = cflags 73 cflags += [ "-fsigned-char" ] 74} 75 76config("security") { 77 # Need to support fortify ability first in musl libc, so disable the option temporarily 78 # defines = [ "_FORTIFY_SOURCE=2" ] 79 80 cflags = [ "-fstack-protector-all" ] 81 cflags_cc = cflags 82 83 ldflags = [ 84 "-Wl,-z,now", 85 "-Wl,-z,relro", 86 "-Wl,-z,noexecstack", 87 ] 88} 89 90config("exceptions") { 91 cflags_cc = [ "-fexceptions" ] 92 cflags_objcc = cflags_cc 93} 94 95config("no_exceptions") { 96 cflags_cc = [ "-fno-exceptions" ] 97 cflags_objcc = cflags_cc 98 ldflags = cflags_cc 99} 100 101config("stack_protector") { 102 cflags = [ "-fstack-protector-all" ] 103 cflags_cc = cflags 104} 105 106config("static_pie_config") { 107 cflags = [ "-fPIE" ] 108 cflags_cc = cflags 109} 110 111config("shared_library_config") { 112 cflags = [ "-fPIC" ] 113 cflags_cc = cflags 114} 115 116config("pie_executable_config") { 117 ldflags = [ "-pie" ] 118} 119 120config("ohos_clang") { 121 if (ohos_kernel_type == "linux") { 122 defines = [ 123 "_LIBCPP_HAS_MUSL_LIBC", 124 "__BUILD_LINUX_WITH_CLANG", 125 ] 126 } 127 ldflags = [ 128 "-fuse-ld=lld", 129 "--rtlib=compiler-rt", 130 ] 131} 132 133config("release") { 134 defines = [ "OHOS_RELEASE" ] 135} 136 137config("debug") { 138 defines = [ "OHOS_DEBUG" ] 139} 140 141config("clang_opt") { 142 cflags = [ 143 "-Oz", 144 "-flto", 145 ] 146 cflags_cc = cflags 147} 148 149config("gcc_opt") { 150 cflags = [ "-Os" ] 151 cflags_cc = cflags 152} 153 154config("default_link_path") { 155 ldflags = [ 156 "-L.", 157 "-Wl,-rpath-link=.", 158 ] 159} 160 161config("board_config") { 162 cflags = [] 163 cflags_cc = [] 164 ldflags = [] 165 include_dirs = [] 166 defines = [] 167 asmflags = [] 168 cflags += board_cflags 169 cflags_cc += board_cxx_flags 170 ldflags += board_ld_flags 171 include_dirs += board_include_dirs 172 if (defined(board_macro_defines)) { 173 defines += board_macro_defines 174 } 175 if (defined(board_asmflags)) { 176 asmflags += board_asmflags 177 } 178} 179 180config("board_exe_ld_flags") { 181 ldflags = [] 182 if (defined(board_exe_ld_flags)) { 183 ldflags += board_exe_ld_flags 184 } 185} 186