makevars.go 13 KB

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  1. // Copyright 2016 Google Inc. All rights reserved.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package cc
  15. import (
  16. "fmt"
  17. "sort"
  18. "strings"
  19. "sync"
  20. "android/soong/android"
  21. "android/soong/cc/config"
  22. )
  23. var (
  24. modulesWarningsAllowedKey = android.NewOnceKey("ModulesWarningsAllowed")
  25. modulesUsingWnoErrorKey = android.NewOnceKey("ModulesUsingWnoError")
  26. modulesMissingProfileFileKey = android.NewOnceKey("ModulesMissingProfileFile")
  27. )
  28. func init() {
  29. android.RegisterMakeVarsProvider(pctx, makeVarsProvider)
  30. }
  31. func getNamedMapForConfig(config android.Config, key android.OnceKey) *sync.Map {
  32. return config.Once(key, func() interface{} {
  33. return &sync.Map{}
  34. }).(*sync.Map)
  35. }
  36. func makeStringOfKeys(ctx android.MakeVarsContext, key android.OnceKey) string {
  37. set := getNamedMapForConfig(ctx.Config(), key)
  38. keys := []string{}
  39. set.Range(func(key interface{}, value interface{}) bool {
  40. keys = append(keys, key.(string))
  41. return true
  42. })
  43. sort.Strings(keys)
  44. return strings.Join(keys, " ")
  45. }
  46. func makeStringOfWarningAllowedProjects() string {
  47. allProjects := append([]string{}, config.WarningAllowedProjects...)
  48. sort.Strings(allProjects)
  49. // Makefile rules use pattern "path/%" to match module paths.
  50. if len(allProjects) > 0 {
  51. return strings.Join(allProjects, "% ") + "%"
  52. } else {
  53. return ""
  54. }
  55. }
  56. type notOnHostContext struct {
  57. }
  58. func (c *notOnHostContext) Host() bool {
  59. return false
  60. }
  61. func makeVarsProvider(ctx android.MakeVarsContext) {
  62. ctx.Strict("LLVM_RELEASE_VERSION", "${config.ClangShortVersion}")
  63. ctx.Strict("LLVM_PREBUILTS_VERSION", "${config.ClangVersion}")
  64. ctx.Strict("LLVM_PREBUILTS_BASE", "${config.ClangBase}")
  65. ctx.Strict("LLVM_PREBUILTS_PATH", "${config.ClangBin}")
  66. ctx.Strict("CLANG", "${config.ClangBin}/clang")
  67. ctx.Strict("CLANG_CXX", "${config.ClangBin}/clang++")
  68. ctx.Strict("LLVM_AS", "${config.ClangBin}/llvm-as")
  69. ctx.Strict("LLVM_LINK", "${config.ClangBin}/llvm-link")
  70. ctx.Strict("LLVM_OBJCOPY", "${config.ClangBin}/llvm-objcopy")
  71. ctx.Strict("LLVM_STRIP", "${config.ClangBin}/llvm-strip")
  72. ctx.Strict("PATH_TO_CLANG_TIDY", "${config.ClangBin}/clang-tidy")
  73. ctx.StrictSorted("CLANG_CONFIG_UNKNOWN_CFLAGS", strings.Join(config.ClangUnknownCflags, " "))
  74. ctx.Strict("RS_LLVM_PREBUILTS_VERSION", "${config.RSClangVersion}")
  75. ctx.Strict("RS_LLVM_PREBUILTS_BASE", "${config.RSClangBase}")
  76. ctx.Strict("RS_LLVM_PREBUILTS_PATH", "${config.RSLLVMPrebuiltsPath}")
  77. ctx.Strict("RS_LLVM_INCLUDES", "${config.RSIncludePath}")
  78. ctx.Strict("RS_CLANG", "${config.RSLLVMPrebuiltsPath}/clang")
  79. ctx.Strict("RS_LLVM_AS", "${config.RSLLVMPrebuiltsPath}/llvm-as")
  80. ctx.Strict("RS_LLVM_LINK", "${config.RSLLVMPrebuiltsPath}/llvm-link")
  81. ctx.Strict("CLANG_EXTERNAL_CFLAGS", "${config.ExternalCflags}")
  82. ctx.Strict("GLOBAL_CLANG_CFLAGS_NO_OVERRIDE", "${config.NoOverrideGlobalCflags}")
  83. ctx.Strict("GLOBAL_CLANG_CFLAGS_64_NO_OVERRIDE", "${config.NoOverride64GlobalCflags}")
  84. ctx.Strict("GLOBAL_CLANG_CPPFLAGS_NO_OVERRIDE", "")
  85. ctx.Strict("GLOBAL_CLANG_EXTERNAL_CFLAGS_NO_OVERRIDE", "${config.NoOverrideExternalGlobalCflags}")
  86. ctx.Strict("BOARD_VNDK_VERSION", ctx.DeviceConfig().VndkVersion())
  87. ctx.Strict("RECOVERY_SNAPSHOT_VERSION", ctx.DeviceConfig().RecoverySnapshotVersion())
  88. // Filter vendor_public_library that are exported to make
  89. exportedVendorPublicLibraries := []string{}
  90. ctx.VisitAllModules(func(module android.Module) {
  91. if ccModule, ok := module.(*Module); ok {
  92. baseName := ccModule.BaseModuleName()
  93. if ccModule.IsVendorPublicLibrary() && module.ExportedToMake() {
  94. if !inList(baseName, exportedVendorPublicLibraries) {
  95. exportedVendorPublicLibraries = append(exportedVendorPublicLibraries, baseName)
  96. }
  97. }
  98. }
  99. })
  100. sort.Strings(exportedVendorPublicLibraries)
  101. ctx.Strict("VENDOR_PUBLIC_LIBRARIES", strings.Join(exportedVendorPublicLibraries, " "))
  102. sort.Strings(lsdumpPaths)
  103. ctx.Strict("LSDUMP_PATHS", strings.Join(lsdumpPaths, " "))
  104. ctx.Strict("ANDROID_WARNING_ALLOWED_PROJECTS", makeStringOfWarningAllowedProjects())
  105. ctx.Strict("SOONG_MODULES_WARNINGS_ALLOWED", makeStringOfKeys(ctx, modulesWarningsAllowedKey))
  106. ctx.Strict("SOONG_MODULES_USING_WNO_ERROR", makeStringOfKeys(ctx, modulesUsingWnoErrorKey))
  107. ctx.Strict("SOONG_MODULES_MISSING_PGO_PROFILE_FILE", makeStringOfKeys(ctx, modulesMissingProfileFileKey))
  108. ctx.Strict("ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS", strings.Join(asanCflags, " "))
  109. ctx.Strict("ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS", strings.Join(asanLdflags, " "))
  110. ctx.Strict("HWADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS", strings.Join(hwasanCflags, " "))
  111. ctx.Strict("HWADDRESS_SANITIZER_GLOBAL_OPTIONS", strings.Join(hwasanGlobalOptions, ","))
  112. ctx.Strict("CFI_EXTRA_CFLAGS", strings.Join(cfiCflags, " "))
  113. ctx.Strict("CFI_EXTRA_ASFLAGS", strings.Join(cfiAsflags, " "))
  114. ctx.Strict("CFI_EXTRA_LDFLAGS", strings.Join(cfiLdflags, " "))
  115. ctx.Strict("INTEGER_OVERFLOW_EXTRA_CFLAGS", strings.Join(intOverflowCflags, " "))
  116. ctx.Strict("DEFAULT_C_STD_VERSION", config.CStdVersion)
  117. ctx.Strict("DEFAULT_CPP_STD_VERSION", config.CppStdVersion)
  118. ctx.Strict("EXPERIMENTAL_C_STD_VERSION", config.ExperimentalCStdVersion)
  119. ctx.Strict("EXPERIMENTAL_CPP_STD_VERSION", config.ExperimentalCppStdVersion)
  120. ctx.Strict("DEFAULT_GLOBAL_TIDY_CHECKS", "${config.TidyDefaultGlobalChecks}")
  121. ctx.Strict("DEFAULT_LOCAL_TIDY_CHECKS", joinLocalTidyChecks(config.DefaultLocalTidyChecks))
  122. ctx.Strict("DEFAULT_TIDY_HEADER_DIRS", "${config.TidyDefaultHeaderDirs}")
  123. ctx.Strict("WITH_TIDY_FLAGS", "${config.TidyWithTidyFlags}")
  124. ctx.Strict("AIDL_CPP", "${aidlCmd}")
  125. ctx.Strict("ALLOWED_MANUAL_INTERFACE_PATHS", strings.Join(allowedManualInterfacePaths, " "))
  126. ctx.Strict("RS_GLOBAL_INCLUDES", "${config.RsGlobalIncludes}")
  127. ctx.Strict("SOONG_STRIP_PATH", "${stripPath}")
  128. ctx.Strict("XZ", "${xzCmd}")
  129. ctx.Strict("CREATE_MINIDEBUGINFO", "${createMiniDebugInfo}")
  130. includeFlags, err := ctx.Eval("${config.CommonGlobalIncludes}")
  131. if err != nil {
  132. panic(err)
  133. }
  134. includes, systemIncludes := splitSystemIncludes(ctx, includeFlags)
  135. ctx.StrictRaw("SRC_HEADERS", strings.Join(includes, " "))
  136. ctx.StrictRaw("SRC_SYSTEM_HEADERS", strings.Join(systemIncludes, " "))
  137. ndkKnownLibs := *getNDKKnownLibs(ctx.Config())
  138. sort.Strings(ndkKnownLibs)
  139. ctx.Strict("NDK_KNOWN_LIBS", strings.Join(ndkKnownLibs, " "))
  140. hostTargets := ctx.Config().Targets[ctx.Config().BuildOS]
  141. makeVarsToolchain(ctx, "", hostTargets[0])
  142. if len(hostTargets) > 1 {
  143. makeVarsToolchain(ctx, "2ND_", hostTargets[1])
  144. }
  145. deviceTargets := ctx.Config().Targets[android.Android]
  146. makeVarsToolchain(ctx, "", deviceTargets[0])
  147. if len(deviceTargets) > 1 {
  148. makeVarsToolchain(ctx, "2ND_", deviceTargets[1])
  149. }
  150. }
  151. func makeVarsToolchain(ctx android.MakeVarsContext, secondPrefix string,
  152. target android.Target) {
  153. var typePrefix string
  154. switch target.Os.Class {
  155. case android.Host:
  156. typePrefix = "HOST_"
  157. case android.Device:
  158. typePrefix = "TARGET_"
  159. }
  160. makePrefix := secondPrefix + typePrefix
  161. toolchain := config.FindToolchain(target.Os, target.Arch)
  162. var productExtraCflags string
  163. var productExtraLdflags string
  164. hod := "Host"
  165. if target.Os.Class == android.Device {
  166. hod = "Device"
  167. }
  168. if target.Os.Class == android.Host && ctx.Config().HostStaticBinaries() {
  169. productExtraLdflags += "-static"
  170. }
  171. includeFlags, err := ctx.Eval(toolchain.IncludeFlags())
  172. if err != nil {
  173. panic(err)
  174. }
  175. includes, systemIncludes := splitSystemIncludes(ctx, includeFlags)
  176. ctx.StrictRaw(makePrefix+"C_INCLUDES", strings.Join(includes, " "))
  177. ctx.StrictRaw(makePrefix+"C_SYSTEM_INCLUDES", strings.Join(systemIncludes, " "))
  178. if target.Arch.ArchType == android.Arm {
  179. flags, err := toolchain.InstructionSetFlags("arm")
  180. if err != nil {
  181. panic(err)
  182. }
  183. ctx.Strict(makePrefix+"arm_CFLAGS", flags)
  184. flags, err = toolchain.InstructionSetFlags("thumb")
  185. if err != nil {
  186. panic(err)
  187. }
  188. ctx.Strict(makePrefix+"thumb_CFLAGS", flags)
  189. }
  190. clangPrefix := secondPrefix + "CLANG_" + typePrefix
  191. ctx.Strict(clangPrefix+"TRIPLE", toolchain.ClangTriple())
  192. ctx.Strict(clangPrefix+"GLOBAL_CFLAGS", strings.Join([]string{
  193. toolchain.Cflags(),
  194. "${config.CommonGlobalCflags}",
  195. fmt.Sprintf("${config.%sGlobalCflags}", hod),
  196. toolchain.ToolchainCflags(),
  197. productExtraCflags,
  198. }, " "))
  199. ctx.Strict(clangPrefix+"GLOBAL_CPPFLAGS", strings.Join([]string{
  200. "${config.CommonGlobalCppflags}",
  201. fmt.Sprintf("${config.%sGlobalCppflags}", hod),
  202. toolchain.Cppflags(),
  203. }, " "))
  204. ctx.Strict(clangPrefix+"GLOBAL_LDFLAGS", strings.Join([]string{
  205. fmt.Sprintf("${config.%sGlobalLdflags}", hod),
  206. toolchain.Ldflags(),
  207. toolchain.ToolchainLdflags(),
  208. productExtraLdflags,
  209. }, " "))
  210. ctx.Strict(clangPrefix+"GLOBAL_LLDFLAGS", strings.Join([]string{
  211. fmt.Sprintf("${config.%sGlobalLldflags}", hod),
  212. toolchain.Lldflags(),
  213. toolchain.ToolchainLdflags(),
  214. productExtraLdflags,
  215. }, " "))
  216. if target.Os.Class == android.Device {
  217. sanitizerVariables := map[string]string{
  218. "ADDRESS_SANITIZER_RUNTIME_LIBRARY": config.AddressSanitizerRuntimeLibrary(toolchain),
  219. "HWADDRESS_SANITIZER_RUNTIME_LIBRARY": config.HWAddressSanitizerRuntimeLibrary(toolchain),
  220. "HWADDRESS_SANITIZER_STATIC_LIBRARY": config.HWAddressSanitizerStaticLibrary(toolchain),
  221. "UBSAN_RUNTIME_LIBRARY": config.UndefinedBehaviorSanitizerRuntimeLibrary(toolchain),
  222. "UBSAN_MINIMAL_RUNTIME_LIBRARY": config.UndefinedBehaviorSanitizerMinimalRuntimeLibrary(toolchain),
  223. "TSAN_RUNTIME_LIBRARY": config.ThreadSanitizerRuntimeLibrary(toolchain),
  224. "SCUDO_RUNTIME_LIBRARY": config.ScudoRuntimeLibrary(toolchain),
  225. "SCUDO_MINIMAL_RUNTIME_LIBRARY": config.ScudoMinimalRuntimeLibrary(toolchain),
  226. }
  227. for variable, value := range sanitizerVariables {
  228. ctx.Strict(secondPrefix+variable, value)
  229. }
  230. sanitizerLibs := android.SortedStringValues(sanitizerVariables)
  231. var sanitizerLibStems []string
  232. ctx.VisitAllModules(func(m android.Module) {
  233. if !m.Enabled() {
  234. return
  235. }
  236. ccModule, _ := m.(*Module)
  237. if ccModule == nil || ccModule.library == nil || !ccModule.library.shared() {
  238. return
  239. }
  240. if android.InList(strings.TrimPrefix(ctx.ModuleName(m), "prebuilt_"), sanitizerLibs) &&
  241. m.Target().Os == target.Os && m.Target().Arch.ArchType == target.Arch.ArchType {
  242. outputFile := ccModule.outputFile
  243. if outputFile.Valid() {
  244. sanitizerLibStems = append(sanitizerLibStems, outputFile.Path().Base())
  245. }
  246. }
  247. })
  248. sanitizerLibStems = android.SortedUniqueStrings(sanitizerLibStems)
  249. ctx.Strict(secondPrefix+"SANITIZER_STEMS", strings.Join(sanitizerLibStems, " "))
  250. }
  251. // This is used by external/gentoo/...
  252. ctx.Strict("CLANG_CONFIG_"+target.Arch.ArchType.Name+"_"+typePrefix+"TRIPLE",
  253. toolchain.ClangTriple())
  254. if target.Os == android.Darwin {
  255. ctx.Strict(makePrefix+"AR", "${config.MacArPath}")
  256. ctx.Strict(makePrefix+"NM", "${config.MacToolPath}/nm")
  257. ctx.Strict(makePrefix+"OTOOL", "${config.MacToolPath}/otool")
  258. ctx.Strict(makePrefix+"STRIP", "${config.MacStripPath}")
  259. } else {
  260. ctx.Strict(makePrefix+"AR", "${config.ClangBin}/llvm-ar")
  261. ctx.Strict(makePrefix+"READELF", "${config.ClangBin}/llvm-readelf")
  262. ctx.Strict(makePrefix+"NM", "${config.ClangBin}/llvm-nm")
  263. ctx.Strict(makePrefix+"STRIP", "${config.ClangBin}/llvm-strip")
  264. }
  265. if target.Os.Class == android.Device {
  266. ctx.Strict(makePrefix+"OBJCOPY", "${config.ClangBin}/llvm-objcopy")
  267. ctx.Strict(makePrefix+"LD", "${config.ClangBin}/lld")
  268. ctx.Strict(makePrefix+"NDK_TRIPLE", config.NDKTriple(toolchain))
  269. ctx.Strict(makePrefix+"TOOLS_PREFIX", "${config.ClangBin}/llvm-")
  270. }
  271. if target.Os.Class == android.Host {
  272. ctx.Strict(makePrefix+"AVAILABLE_LIBRARIES", strings.Join(toolchain.AvailableLibraries(), " "))
  273. }
  274. ctx.Strict(makePrefix+"SHLIB_SUFFIX", toolchain.ShlibSuffix())
  275. ctx.Strict(makePrefix+"EXECUTABLE_SUFFIX", toolchain.ExecutableSuffix())
  276. }
  277. func splitSystemIncludes(ctx android.MakeVarsContext, val string) (includes, systemIncludes []string) {
  278. flags, err := ctx.Eval(val)
  279. if err != nil {
  280. panic(err)
  281. }
  282. extract := func(flags string, dirs []string, prefix string) (string, []string, bool) {
  283. if strings.HasPrefix(flags, prefix) {
  284. flags = strings.TrimPrefix(flags, prefix)
  285. flags = strings.TrimLeft(flags, " ")
  286. s := strings.SplitN(flags, " ", 2)
  287. dirs = append(dirs, s[0])
  288. if len(s) > 1 {
  289. return strings.TrimLeft(s[1], " "), dirs, true
  290. }
  291. return "", dirs, true
  292. } else {
  293. return flags, dirs, false
  294. }
  295. }
  296. flags = strings.TrimLeft(flags, " ")
  297. for flags != "" {
  298. found := false
  299. flags, includes, found = extract(flags, includes, "-I")
  300. if !found {
  301. flags, systemIncludes, found = extract(flags, systemIncludes, "-isystem ")
  302. }
  303. if !found {
  304. panic(fmt.Errorf("Unexpected flag in %q", flags))
  305. }
  306. }
  307. return includes, systemIncludes
  308. }
  309. func joinLocalTidyChecks(checks []config.PathBasedTidyCheck) string {
  310. rets := make([]string, len(checks))
  311. for i, check := range config.DefaultLocalTidyChecks {
  312. rets[i] = check.PathPrefix + ":" + check.Checks
  313. }
  314. return strings.Join(rets, " ")
  315. }