build/Android.bp - SHIFTPHONES/android_art - Gitiles

 package {
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "art_license"
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["art_license"],
 }

 bootstrap_go_package {
     name: "soong-art",
     pkgPath: "android/soong/art",
     deps: [
         "blueprint",
         "blueprint-pathtools",
         "blueprint-proptools",
         "soong",
         "soong-android",
         "soong-apex",
         "soong-cc",
     ],
     srcs: [
         "art.go",
         "codegen.go",
         "makevars.go",
     ],
     pluginFor: ["soong_build"],
 }

 art_clang_tidy_errors = [
     "android-cloexec-open",
     "bugprone-lambda-function-name",
     "bugprone-unused-raii", // Protect scoped things like MutexLock.
     "bugprone-virtual-near-miss",
     "modernize-use-bool-literals",
     "performance-implicit-conversion-in-loop",
     "performance-unnecessary-copy-initialization",
 ]

 art_clang_tidy_allowed = [
     // Many files have these warnings. Move them to art_clang_tidy_errors
     // when all files are free of these warnings.
     "android-cloexec-dup",
     "bugprone-argument-comment",
     "bugprone-unused-return-value",
     "misc-unused-using-decls",
     "modernize-use-nullptr",
     "modernize-use-using",
     "performance-faster-string-find",
     "performance-for-range-copy",
     "performance-noexcept-move-constructor",
     "performance-unnecessary-value-param",
 ]

 art_clang_tidy_disabled = [
     "-google-default-arguments",
     // We have local stores that are only used for debug checks.
     "-clang-analyzer-deadcode.DeadStores",
     // We are OK with some static globals and that they can, in theory, throw.
     "-cert-err58-cpp",
     // We have lots of C-style variadic functions, and are OK with them. JNI ensures
     // that working around this warning would be extra-painful.
     "-cert-dcl50-cpp",
     // "Modernization" we don't agree with.
     "-modernize-use-auto",
     "-modernize-return-braced-init-list",
     "-modernize-use-default-member-init",
     "-modernize-pass-by-value",
 ]

 soong_config_module_type_import {
     from: "art/build/SoongConfig.bp",
     module_types: [
         "art_module_art_global_defaults",
         "art_module_cc_defaults",
         "art_module_java_defaults",
         "art_module_genrule_defaults",
         "art_module_prebuilt_defaults",
     ],
 }

 art_module_art_global_defaults {
     // Additional flags are computed by art.go

     name: "art_defaults",

     // Disable all ART Soong modules by default when ART prebuilts are in use.
     // TODO(b/172480617): Clean up when sources are gone from the platform tree
     // and we no longer need to support sources present when prebuilts are used.
     enabled: false,
     soong_config_variables: {
         source_build: {
             enabled: true,
         },
     },

     // This is the default visibility for the //art package, but we repeat it
     // here so that it gets merged with other visibility rules in modules
     // extending these defaults.
     visibility: ["//art:__subpackages__"],

     cflags: [
         // Base set of cflags used by all things ART.
         "-fno-rtti",
         "-ggdb3",
         "-Wall",
         "-Werror",
         "-Wextra",
         "-Wstrict-aliasing",
         "-fstrict-aliasing",
         "-Wunreachable-code",
         "-Wredundant-decls",
         "-Wshadow",
         "-Wunused",
         "-fvisibility=protected",

         // Warn about thread safety violations with clang.
         "-Wthread-safety",
         // TODO(b/144045034): turn on -Wthread-safety-negative
         //"-Wthread-safety-negative",

         // Warn if switch fallthroughs aren't annotated.
         "-Wimplicit-fallthrough",

         // Enable float equality warnings.
         "-Wfloat-equal",

         // Enable warning of converting ints to void*.
         "-Wint-to-void-pointer-cast",

         // Enable warning of wrong unused annotations.
         "-Wused-but-marked-unused",

         // Enable warning for deprecated language features.
         "-Wdeprecated",

         // Enable warning for unreachable break & return.
         "-Wunreachable-code-break",
         "-Wunreachable-code-return",

         // Disable warning for use of offsetof on non-standard layout type.
         // We use it to implement OFFSETOF_MEMBER - see macros.h.
         "-Wno-invalid-offsetof",

         // Enable inconsistent-missing-override warning. This warning is disabled by default in
         // Android.
         "-Winconsistent-missing-override",

         // Enable thread annotations for std::mutex, etc.
         "-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS",
     ],

     arch: {
         x86: {
             avx2: {
                 cflags: [
                     "-mavx2",
                     "-mfma",
                 ],
             },
         },
         x86_64: {
             avx2: {
                 cflags: [
                     "-mavx2",
                     "-mfma",
                 ],
             },
         },
     },

     target: {
         android: {
             cflags: [
                 // To use oprofile_android --callgraph, uncomment this and recompile with
                 //    mmma -j art
                 // "-fno-omit-frame-pointer",
                 // "-marm",
                 // "-mapcs",
             ],
         },
         linux: {
             cflags: [
                 // Enable missing-noreturn only on non-Mac. As lots of things are not implemented for
                 // Apple, it's a pain.
                 "-Wmissing-noreturn",
             ],
         },
         linux_bionic: {
             strip: {
                 // Do not strip art libs when building for linux-bionic.
                 // Otherwise we can't get any symbols out of crashes.
                 none: true,
             },
         },
         darwin: {
             enabled: false,
         },
         windows: {
             // When the module is enabled globally in the soong_config_variables
             // stanza above, it may get enabled on windows too for some module
             // types. Hence we need to disable it explicitly.
             // TODO(b/172480617): Clean up with that.
             enabled: false,
         },
         host: {
             cflags: [
                 // Bug: 15446488. We don't omit the frame pointer to work around
                 // clang/libunwind bugs that cause SEGVs in run-test-004-ThreadStress.
                 "-fno-omit-frame-pointer",
             ],
         },
         // The build assumes that all our x86/x86_64 hosts (such as buildbots and developer
         // desktops) support at least sse4.2/popcount. This firstly implies that the ART
         // runtime binary itself may exploit these features. Secondly, this implies that
         // the ART runtime passes these feature flags to dex2oat and JIT by calling the
         // method InstructionSetFeatures::FromCppDefines(). Since invoking dex2oat directly
         // does not pick up these flags, cross-compiling from a x86/x86_64 host to a
         // x86/x86_64 target should not be affected.
         linux_x86: {
             cflags: [
                 "-msse4.2",
                 "-mpopcnt",
             ],
         },
         linux_x86_64: {
             cflags: [
                 "-msse4.2",
                 "-mpopcnt",
             ],
         },
     },

     codegen: {
         arm: {
             cflags: ["-DART_ENABLE_CODEGEN_arm"],
         },
         arm64: {
             cflags: ["-DART_ENABLE_CODEGEN_arm64"],
         },
         x86: {
             cflags: ["-DART_ENABLE_CODEGEN_x86"],
         },
         x86_64: {
             cflags: ["-DART_ENABLE_CODEGEN_x86_64"],
         },
     },

     tidy_checks: art_clang_tidy_errors + art_clang_tidy_allowed + art_clang_tidy_disabled,

     tidy_checks_as_errors: art_clang_tidy_errors,

     tidy_flags: [
         // The static analyzer treats DCHECK as always enabled; we sometimes get
         // false positives when we use DCHECKs with code that relies on NDEBUG.
         "-extra-arg=-UNDEBUG",
         // clang-tidy complains about functions like:
         // void foo() { CHECK(kIsFooEnabled); /* do foo... */ }
         // not being marked noreturn if kIsFooEnabled is false.
         "-extra-arg=-Wno-missing-noreturn",
         // Because tidy doesn't like our flow checks for compile-time configuration and thinks that
         // the following code is dead (it is, but not for all configurations), disable unreachable
         // code detection in Clang for tidy builds. It is still on for regular build steps, so we
         // will still get the "real" errors.
         "-extra-arg=-Wno-unreachable-code",
     ],

     min_sdk_version: "31",
 }

 // Used to generate binaries that can be backed by transparent hugepages.
 cc_defaults {
     name: "art_hugepage_defaults",
     arch: {
         arm64: {
             ldflags: ["-z max-page-size=0x200000"],
         },
         x86_64: {
             ldflags: ["-z max-page-size=0x200000"],
         },
     },
 }

 art_debug_defaults {
     name: "art_debug_defaults",
     defaults: ["art_defaults"],
     visibility: ["//art:__subpackages__"],
     cflags: [
         "-DDYNAMIC_ANNOTATIONS_ENABLED=1",
         "-DVIXL_DEBUG",
         "-UNDEBUG",
     ],
     asflags: [
         "-UNDEBUG",
     ],
     target: {
         // This has to be duplicated for android and host to make sure it
         // comes after the -Wframe-larger-than warnings inserted by art.go
         // target-specific properties
         android: {
             cflags: ["-Wno-frame-larger-than="],
         },
         host: {
             cflags: ["-Wno-frame-larger-than="],
         },
     },
 }

 // A version of conscrypt only for enabling the "-hostdex" version to test ART on host.
 java_library {
     // We need our own name to not clash with the conscrypt library.
     name: "conscrypt-host",
     installable: true,
     hostdex: true,
     static_libs: ["conscrypt-for-host"],

     // Tests and build files rely on this file to be installed as "conscrypt-hostdex",
     // therefore set a stem. Without it, the file would be installed as
     // "conscrypt-host-hostdex".
     stem: "conscrypt",
     sdk_version: "core_platform",
     target: {
         hostdex: {
             required: ["libjavacrypto"],
         },
         darwin: {
             // required module "libjavacrypto" is disabled on darwin
             enabled: false,
         },
     },
 }

 // A version of core-icu4j only for enabling the "-hostdex" version to test ART on host.
 java_library {
     // We need our own name to not clash with the core-icu4j library.
     name: "core-icu4j-host",
     installable: true,
     hostdex: true,
     static_libs: ["core-icu4j-for-host"],

     // Tests and build files rely on this file to be installed as "core-icu4j-hostdex",
     // therefore set a stem. Without it, the file would be installed as
     // "core-icu4j-host-hostdex".
     stem: "core-icu4j",
     sdk_version: "core_platform",
     target: {
         hostdex: {
             required: ["libicu_jni"],
         },
     },
 }

 // Defaults for different module types to enable them only when building ART
 // from sources. TODO(b/172480617): Clean up when sources are gone from the
 // platform tree and we no longer need to support sources present when prebuilts
 // are used.

 art_module_cc_defaults {
     name: "art_module_source_build_defaults",
     defaults_visibility: [
         "//art:__subpackages__",
         "//libcore:__subpackages__",
         "//libnativehelper:__subpackages__",
     ],
     enabled: false,
     soong_config_variables: {
         source_build: {
             enabled: true,
         },
     },
     target: {
         windows: {
             // Windows is disabled by default, but if we set enabled:true
             // globally above we need to disable it explicitly.
             enabled: false,
         },
     },
 }

 art_module_java_defaults {
     name: "art_module_source_build_java_defaults",
     defaults_visibility: [
         "//art:__subpackages__",
         "//libcore:__subpackages__",
         "//libnativehelper:__subpackages__",
     ],
     enabled: false,
     soong_config_variables: {
         source_build: {
             enabled: true,
         },
     },
     target: {
         windows: {
             enabled: false,
         },
     },
 }

 art_module_genrule_defaults {
     name: "art_module_source_build_genrule_defaults",
     defaults_visibility: [
         "//art:__subpackages__",
         "//libcore:__subpackages__",
         "//libnativehelper:__subpackages__",
     ],
     enabled: false,
     soong_config_variables: {
         source_build: {
             enabled: true,
         },
     },
     target: {
         windows: {
             enabled: false,
         },
     },
 }

 art_module_prebuilt_defaults {
     name: "art_module_source_build_prebuilt_defaults",
     defaults_visibility: [
         "//art:__subpackages__",
         "//libcore:__subpackages__",
         "//libnativehelper:__subpackages__",
     ],
     enabled: false,
     soong_config_variables: {
         source_build: {
             enabled: true,
         },
     },
     target: {
         windows: {
             enabled: false,
         },
     },
 }
	package {
	// See: http://go/android-license-faq
	// A large-scale-change added 'default_applicable_licenses' to import
	// all of the 'license_kinds' from "art_license"
	// to get the below license kinds:
	// SPDX-license-identifier-Apache-2.0
	default_applicable_licenses: ["art_license"],
	}

	bootstrap_go_package {
	name: "soong-art",
	pkgPath: "android/soong/art",
	deps: [
	"blueprint",
	"blueprint-pathtools",
	"blueprint-proptools",
	"soong",
	"soong-android",
	"soong-apex",
	"soong-cc",
	],
	srcs: [
	"art.go",
	"codegen.go",
	"makevars.go",
	],
	pluginFor: ["soong_build"],
	}

	art_clang_tidy_errors = [
	"android-cloexec-open",
	"bugprone-lambda-function-name",
	"bugprone-unused-raii", // Protect scoped things like MutexLock.
	"bugprone-virtual-near-miss",
	"modernize-use-bool-literals",
	"performance-implicit-conversion-in-loop",
	"performance-unnecessary-copy-initialization",
	]

	art_clang_tidy_allowed = [
	// Many files have these warnings. Move them to art_clang_tidy_errors
	// when all files are free of these warnings.
	"android-cloexec-dup",
	"bugprone-argument-comment",
	"bugprone-unused-return-value",
	"misc-unused-using-decls",
	"modernize-use-nullptr",
	"modernize-use-using",
	"performance-faster-string-find",
	"performance-for-range-copy",
	"performance-noexcept-move-constructor",
	"performance-unnecessary-value-param",
	]

	art_clang_tidy_disabled = [
	"-google-default-arguments",
	// We have local stores that are only used for debug checks.
	"-clang-analyzer-deadcode.DeadStores",
	// We are OK with some static globals and that they can, in theory, throw.
	"-cert-err58-cpp",
	// We have lots of C-style variadic functions, and are OK with them. JNI ensures
	// that working around this warning would be extra-painful.
	"-cert-dcl50-cpp",
	// "Modernization" we don't agree with.
	"-modernize-use-auto",
	"-modernize-return-braced-init-list",
	"-modernize-use-default-member-init",
	"-modernize-pass-by-value",
	]

	soong_config_module_type_import {
	from: "art/build/SoongConfig.bp",
	module_types: [
	"art_module_art_global_defaults",
	"art_module_cc_defaults",
	"art_module_java_defaults",
	"art_module_genrule_defaults",
	"art_module_prebuilt_defaults",
	],
	}

	art_module_art_global_defaults {
	// Additional flags are computed by art.go

	name: "art_defaults",

	// Disable all ART Soong modules by default when ART prebuilts are in use.
	// TODO(b/172480617): Clean up when sources are gone from the platform tree
	// and we no longer need to support sources present when prebuilts are used.
	enabled: false,
	soong_config_variables: {
	source_build: {
	enabled: true,
	},
	},

	// This is the default visibility for the //art package, but we repeat it
	// here so that it gets merged with other visibility rules in modules
	// extending these defaults.
	visibility: ["//art:__subpackages__"],

	cflags: [
	// Base set of cflags used by all things ART.
	"-fno-rtti",
	"-ggdb3",
	"-Wall",
	"-Werror",
	"-Wextra",
	"-Wstrict-aliasing",
	"-fstrict-aliasing",
	"-Wunreachable-code",
	"-Wredundant-decls",
	"-Wshadow",
	"-Wunused",
	"-fvisibility=protected",

	// Warn about thread safety violations with clang.
	"-Wthread-safety",
	// TODO(b/144045034): turn on -Wthread-safety-negative
	//"-Wthread-safety-negative",

	// Warn if switch fallthroughs aren't annotated.
	"-Wimplicit-fallthrough",

	// Enable float equality warnings.
	"-Wfloat-equal",

	// Enable warning of converting ints to void*.
	"-Wint-to-void-pointer-cast",

	// Enable warning of wrong unused annotations.
	"-Wused-but-marked-unused",

	// Enable warning for deprecated language features.
	"-Wdeprecated",

	// Enable warning for unreachable break & return.
	"-Wunreachable-code-break",
	"-Wunreachable-code-return",

	// Disable warning for use of offsetof on non-standard layout type.
	// We use it to implement OFFSETOF_MEMBER - see macros.h.
	"-Wno-invalid-offsetof",

	// Enable inconsistent-missing-override warning. This warning is disabled by default in
	// Android.
	"-Winconsistent-missing-override",

	// Enable thread annotations for std::mutex, etc.
	"-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS",
	],

	arch: {
	x86: {
	avx2: {
	cflags: [
	"-mavx2",
	"-mfma",
	],
	},
	},
	x86_64: {
	avx2: {
	cflags: [
	"-mavx2",
	"-mfma",
	],
	},
	},
	},

	target: {
	android: {
	cflags: [
	// To use oprofile_android --callgraph, uncomment this and recompile with
	// mmma -j art
	// "-fno-omit-frame-pointer",
	// "-marm",
	// "-mapcs",
	],
	},
	linux: {
	cflags: [
	// Enable missing-noreturn only on non-Mac. As lots of things are not implemented for
	// Apple, it's a pain.
	"-Wmissing-noreturn",
	],
	},
	linux_bionic: {
	strip: {
	// Do not strip art libs when building for linux-bionic.
	// Otherwise we can't get any symbols out of crashes.
	none: true,
	},
	},
	darwin: {
	enabled: false,
	},
	windows: {
	// When the module is enabled globally in the soong_config_variables
	// stanza above, it may get enabled on windows too for some module
	// types. Hence we need to disable it explicitly.
	// TODO(b/172480617): Clean up with that.
	enabled: false,
	},
	host: {
	cflags: [
	// Bug: 15446488. We don't omit the frame pointer to work around
	// clang/libunwind bugs that cause SEGVs in run-test-004-ThreadStress.
	"-fno-omit-frame-pointer",
	],
	},
	// The build assumes that all our x86/x86_64 hosts (such as buildbots and developer
	// desktops) support at least sse4.2/popcount. This firstly implies that the ART
	// runtime binary itself may exploit these features. Secondly, this implies that
	// the ART runtime passes these feature flags to dex2oat and JIT by calling the
	// method InstructionSetFeatures::FromCppDefines(). Since invoking dex2oat directly
	// does not pick up these flags, cross-compiling from a x86/x86_64 host to a
	// x86/x86_64 target should not be affected.
	linux_x86: {
	cflags: [
	"-msse4.2",
	"-mpopcnt",
	],
	},
	linux_x86_64: {
	cflags: [
	"-msse4.2",
	"-mpopcnt",
	],
	},
	},

	codegen: {
	arm: {
	cflags: ["-DART_ENABLE_CODEGEN_arm"],
	},
	arm64: {
	cflags: ["-DART_ENABLE_CODEGEN_arm64"],
	},
	x86: {
	cflags: ["-DART_ENABLE_CODEGEN_x86"],
	},
	x86_64: {
	cflags: ["-DART_ENABLE_CODEGEN_x86_64"],
	},
	},

	tidy_checks: art_clang_tidy_errors + art_clang_tidy_allowed + art_clang_tidy_disabled,

	tidy_checks_as_errors: art_clang_tidy_errors,

	tidy_flags: [
	// The static analyzer treats DCHECK as always enabled; we sometimes get
	// false positives when we use DCHECKs with code that relies on NDEBUG.
	"-extra-arg=-UNDEBUG",
	// clang-tidy complains about functions like:
	// void foo() { CHECK(kIsFooEnabled); /* do foo... */ }
	// not being marked noreturn if kIsFooEnabled is false.
	"-extra-arg=-Wno-missing-noreturn",
	// Because tidy doesn't like our flow checks for compile-time configuration and thinks that
	// the following code is dead (it is, but not for all configurations), disable unreachable
	// code detection in Clang for tidy builds. It is still on for regular build steps, so we
	// will still get the "real" errors.
	"-extra-arg=-Wno-unreachable-code",
	],

	min_sdk_version: "31",
	}

	// Used to generate binaries that can be backed by transparent hugepages.
	cc_defaults {
	name: "art_hugepage_defaults",
	arch: {
	arm64: {
	ldflags: ["-z max-page-size=0x200000"],
	},
	x86_64: {
	ldflags: ["-z max-page-size=0x200000"],
	},
	},
	}

	art_debug_defaults {
	name: "art_debug_defaults",
	defaults: ["art_defaults"],
	visibility: ["//art:__subpackages__"],
	cflags: [
	"-DDYNAMIC_ANNOTATIONS_ENABLED=1",
	"-DVIXL_DEBUG",
	"-UNDEBUG",
	],
	asflags: [
	"-UNDEBUG",
	],
	target: {
	// This has to be duplicated for android and host to make sure it
	// comes after the -Wframe-larger-than warnings inserted by art.go
	// target-specific properties
	android: {
	cflags: ["-Wno-frame-larger-than="],
	},
	host: {
	cflags: ["-Wno-frame-larger-than="],
	},
	},
	}

	// A version of conscrypt only for enabling the "-hostdex" version to test ART on host.
	java_library {
	// We need our own name to not clash with the conscrypt library.
	name: "conscrypt-host",
	installable: true,
	hostdex: true,
	static_libs: ["conscrypt-for-host"],

	// Tests and build files rely on this file to be installed as "conscrypt-hostdex",
	// therefore set a stem. Without it, the file would be installed as
	// "conscrypt-host-hostdex".
	stem: "conscrypt",
	sdk_version: "core_platform",
	target: {
	hostdex: {
	required: ["libjavacrypto"],
	},
	darwin: {
	// required module "libjavacrypto" is disabled on darwin
	enabled: false,
	},
	},
	}

	// A version of core-icu4j only for enabling the "-hostdex" version to test ART on host.
	java_library {
	// We need our own name to not clash with the core-icu4j library.
	name: "core-icu4j-host",
	installable: true,
	hostdex: true,
	static_libs: ["core-icu4j-for-host"],

	// Tests and build files rely on this file to be installed as "core-icu4j-hostdex",
	// therefore set a stem. Without it, the file would be installed as
	// "core-icu4j-host-hostdex".
	stem: "core-icu4j",
	sdk_version: "core_platform",
	target: {
	hostdex: {
	required: ["libicu_jni"],
	},
	},
	}

	// Defaults for different module types to enable them only when building ART
	// from sources. TODO(b/172480617): Clean up when sources are gone from the
	// platform tree and we no longer need to support sources present when prebuilts
	// are used.

	art_module_cc_defaults {
	name: "art_module_source_build_defaults",
	defaults_visibility: [
	"//art:__subpackages__",
	"//libcore:__subpackages__",
	"//libnativehelper:__subpackages__",
	],
	enabled: false,
	soong_config_variables: {
	source_build: {
	enabled: true,
	},
	},
	target: {
	windows: {
	// Windows is disabled by default, but if we set enabled:true
	// globally above we need to disable it explicitly.
	enabled: false,
	},
	},
	}

	art_module_java_defaults {
	name: "art_module_source_build_java_defaults",
	defaults_visibility: [
	"//art:__subpackages__",
	"//libcore:__subpackages__",
	"//libnativehelper:__subpackages__",
	],
	enabled: false,
	soong_config_variables: {
	source_build: {
	enabled: true,
	},
	},
	target: {
	windows: {
	enabled: false,
	},
	},
	}

	art_module_genrule_defaults {
	name: "art_module_source_build_genrule_defaults",
	defaults_visibility: [
	"//art:__subpackages__",
	"//libcore:__subpackages__",
	"//libnativehelper:__subpackages__",
	],
	enabled: false,
	soong_config_variables: {
	source_build: {
	enabled: true,
	},
	},
	target: {
	windows: {
	enabled: false,
	},
	},
	}

	art_module_prebuilt_defaults {
	name: "art_module_source_build_prebuilt_defaults",
	defaults_visibility: [
	"//art:__subpackages__",
	"//libcore:__subpackages__",
	"//libnativehelper:__subpackages__",
	],
	enabled: false,
	soong_config_variables: {
	source_build: {
	enabled: true,
	},
	},
	target: {
	windows: {
	enabled: false,
	},
	},
	}