Files
build_soong/cc/makevars.go
Elliott Hughes a960a0d5de Move some make variables from GNU binutils to LLVM equivalents.
There are others still to look at, but this set doesn't seem to break
anything for me.

Bug: http://b/147452927
Test: treehugger
Change-Id: I794684e23eee1326deb34bb4d5ed5831a47b8fa3
2021-04-21 10:22:55 -07:00

347 lines
13 KiB
Go

// Copyright 2016 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.
package cc
import (
"fmt"
"sort"
"strings"
"sync"
"android/soong/android"
"android/soong/cc/config"
)
var (
modulesAddedWallKey = android.NewOnceKey("ModulesAddedWall")
modulesUsingWnoErrorKey = android.NewOnceKey("ModulesUsingWnoError")
modulesMissingProfileFileKey = android.NewOnceKey("ModulesMissingProfileFile")
)
func init() {
android.RegisterMakeVarsProvider(pctx, makeVarsProvider)
}
func getNamedMapForConfig(config android.Config, key android.OnceKey) *sync.Map {
return config.Once(key, func() interface{} {
return &sync.Map{}
}).(*sync.Map)
}
func makeStringOfKeys(ctx android.MakeVarsContext, key android.OnceKey) string {
set := getNamedMapForConfig(ctx.Config(), key)
keys := []string{}
set.Range(func(key interface{}, value interface{}) bool {
keys = append(keys, key.(string))
return true
})
sort.Strings(keys)
return strings.Join(keys, " ")
}
func makeStringOfWarningAllowedProjects() string {
allProjects := append([]string{}, config.WarningAllowedProjects...)
allProjects = append(allProjects, config.WarningAllowedOldProjects...)
sort.Strings(allProjects)
// Makefile rules use pattern "path/%" to match module paths.
if len(allProjects) > 0 {
return strings.Join(allProjects, "% ") + "%"
} else {
return ""
}
}
type notOnHostContext struct {
}
func (c *notOnHostContext) Host() bool {
return false
}
func makeVarsProvider(ctx android.MakeVarsContext) {
vendorPublicLibraries := vendorPublicLibraries(ctx.Config())
ctx.Strict("LLVM_RELEASE_VERSION", "${config.ClangShortVersion}")
ctx.Strict("LLVM_PREBUILTS_VERSION", "${config.ClangVersion}")
ctx.Strict("LLVM_PREBUILTS_BASE", "${config.ClangBase}")
ctx.Strict("LLVM_PREBUILTS_PATH", "${config.ClangBin}")
ctx.Strict("CLANG", "${config.ClangBin}/clang")
ctx.Strict("CLANG_CXX", "${config.ClangBin}/clang++")
ctx.Strict("LLVM_AS", "${config.ClangBin}/llvm-as")
ctx.Strict("LLVM_LINK", "${config.ClangBin}/llvm-link")
ctx.Strict("LLVM_OBJCOPY", "${config.ClangBin}/llvm-objcopy")
ctx.Strict("LLVM_STRIP", "${config.ClangBin}/llvm-strip")
ctx.Strict("PATH_TO_CLANG_TIDY", "${config.ClangBin}/clang-tidy")
ctx.StrictSorted("CLANG_CONFIG_UNKNOWN_CFLAGS", strings.Join(config.ClangUnknownCflags, " "))
ctx.Strict("RS_LLVM_PREBUILTS_VERSION", "${config.RSClangVersion}")
ctx.Strict("RS_LLVM_PREBUILTS_BASE", "${config.RSClangBase}")
ctx.Strict("RS_LLVM_PREBUILTS_PATH", "${config.RSLLVMPrebuiltsPath}")
ctx.Strict("RS_LLVM_INCLUDES", "${config.RSIncludePath}")
ctx.Strict("RS_CLANG", "${config.RSLLVMPrebuiltsPath}/clang")
ctx.Strict("RS_LLVM_AS", "${config.RSLLVMPrebuiltsPath}/llvm-as")
ctx.Strict("RS_LLVM_LINK", "${config.RSLLVMPrebuiltsPath}/llvm-link")
ctx.Strict("CLANG_EXTERNAL_CFLAGS", "${config.ClangExternalCflags}")
ctx.Strict("GLOBAL_CLANG_CFLAGS_NO_OVERRIDE", "${config.NoOverrideClangGlobalCflags}")
ctx.Strict("GLOBAL_CLANG_CPPFLAGS_NO_OVERRIDE", "")
ctx.Strict("BOARD_VNDK_VERSION", ctx.DeviceConfig().VndkVersion())
ctx.Strict("RECOVERY_SNAPSHOT_VERSION", ctx.DeviceConfig().RecoverySnapshotVersion())
// Filter vendor_public_library that are exported to make
exportedVendorPublicLibraries := []string{}
ctx.VisitAllModules(func(module android.Module) {
if ccModule, ok := module.(*Module); ok {
baseName := ccModule.BaseModuleName()
if inList(baseName, *vendorPublicLibraries) && module.ExportedToMake() {
if !inList(baseName, exportedVendorPublicLibraries) {
exportedVendorPublicLibraries = append(exportedVendorPublicLibraries, baseName)
}
}
}
})
sort.Strings(exportedVendorPublicLibraries)
ctx.Strict("VENDOR_PUBLIC_LIBRARIES", strings.Join(exportedVendorPublicLibraries, " "))
sort.Strings(lsdumpPaths)
ctx.Strict("LSDUMP_PATHS", strings.Join(lsdumpPaths, " "))
ctx.Strict("ANDROID_WARNING_ALLOWED_PROJECTS", makeStringOfWarningAllowedProjects())
ctx.Strict("SOONG_MODULES_ADDED_WALL", makeStringOfKeys(ctx, modulesAddedWallKey))
ctx.Strict("SOONG_MODULES_USING_WNO_ERROR", makeStringOfKeys(ctx, modulesUsingWnoErrorKey))
ctx.Strict("SOONG_MODULES_MISSING_PGO_PROFILE_FILE", makeStringOfKeys(ctx, modulesMissingProfileFileKey))
ctx.Strict("ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS", strings.Join(asanCflags, " "))
ctx.Strict("ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS", strings.Join(asanLdflags, " "))
ctx.Strict("HWADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS", strings.Join(hwasanCflags, " "))
ctx.Strict("HWADDRESS_SANITIZER_GLOBAL_OPTIONS", strings.Join(hwasanGlobalOptions, ","))
ctx.Strict("CFI_EXTRA_CFLAGS", strings.Join(cfiCflags, " "))
ctx.Strict("CFI_EXTRA_ASFLAGS", strings.Join(cfiAsflags, " "))
ctx.Strict("CFI_EXTRA_LDFLAGS", strings.Join(cfiLdflags, " "))
ctx.Strict("INTEGER_OVERFLOW_EXTRA_CFLAGS", strings.Join(intOverflowCflags, " "))
ctx.Strict("DEFAULT_C_STD_VERSION", config.CStdVersion)
ctx.Strict("DEFAULT_CPP_STD_VERSION", config.CppStdVersion)
ctx.Strict("EXPERIMENTAL_C_STD_VERSION", config.ExperimentalCStdVersion)
ctx.Strict("EXPERIMENTAL_CPP_STD_VERSION", config.ExperimentalCppStdVersion)
ctx.Strict("DEFAULT_GLOBAL_TIDY_CHECKS", "${config.TidyDefaultGlobalChecks}")
ctx.Strict("DEFAULT_LOCAL_TIDY_CHECKS", joinLocalTidyChecks(config.DefaultLocalTidyChecks))
ctx.Strict("DEFAULT_TIDY_HEADER_DIRS", "${config.TidyDefaultHeaderDirs}")
ctx.Strict("WITH_TIDY_FLAGS", "${config.TidyWithTidyFlags}")
ctx.Strict("AIDL_CPP", "${aidlCmd}")
ctx.Strict("ALLOWED_MANUAL_INTERFACE_PATHS", strings.Join(allowedManualInterfacePaths, " "))
ctx.Strict("RS_GLOBAL_INCLUDES", "${config.RsGlobalIncludes}")
ctx.Strict("SOONG_STRIP_PATH", "${stripPath}")
ctx.Strict("XZ", "${xzCmd}")
includeFlags, err := ctx.Eval("${config.CommonGlobalIncludes}")
if err != nil {
panic(err)
}
includes, systemIncludes := splitSystemIncludes(ctx, includeFlags)
ctx.StrictRaw("SRC_HEADERS", strings.Join(includes, " "))
ctx.StrictRaw("SRC_SYSTEM_HEADERS", strings.Join(systemIncludes, " "))
ndkKnownLibs := *getNDKKnownLibs(ctx.Config())
sort.Strings(ndkKnownLibs)
ctx.Strict("NDK_KNOWN_LIBS", strings.Join(ndkKnownLibs, " "))
hostTargets := ctx.Config().Targets[android.BuildOs]
makeVarsToolchain(ctx, "", hostTargets[0])
if len(hostTargets) > 1 {
makeVarsToolchain(ctx, "2ND_", hostTargets[1])
}
deviceTargets := ctx.Config().Targets[android.Android]
makeVarsToolchain(ctx, "", deviceTargets[0])
if len(deviceTargets) > 1 {
makeVarsToolchain(ctx, "2ND_", deviceTargets[1])
}
}
func makeVarsToolchain(ctx android.MakeVarsContext, secondPrefix string,
target android.Target) {
var typePrefix string
switch target.Os.Class {
case android.Host:
typePrefix = "HOST_"
case android.Device:
typePrefix = "TARGET_"
}
makePrefix := secondPrefix + typePrefix
toolchain := config.FindToolchain(target.Os, target.Arch)
var productExtraCflags string
var productExtraLdflags string
hod := "Host"
if target.Os.Class == android.Device {
hod = "Device"
}
if target.Os.Class == android.Host && ctx.Config().HostStaticBinaries() {
productExtraLdflags += "-static"
}
includeFlags, err := ctx.Eval(toolchain.IncludeFlags())
if err != nil {
panic(err)
}
includes, systemIncludes := splitSystemIncludes(ctx, includeFlags)
ctx.StrictRaw(makePrefix+"C_INCLUDES", strings.Join(includes, " "))
ctx.StrictRaw(makePrefix+"C_SYSTEM_INCLUDES", strings.Join(systemIncludes, " "))
if target.Arch.ArchType == android.Arm {
flags, err := toolchain.ClangInstructionSetFlags("arm")
if err != nil {
panic(err)
}
ctx.Strict(makePrefix+"arm_CFLAGS", flags)
flags, err = toolchain.ClangInstructionSetFlags("thumb")
if err != nil {
panic(err)
}
ctx.Strict(makePrefix+"thumb_CFLAGS", flags)
}
clangPrefix := secondPrefix + "CLANG_" + typePrefix
clangExtras := "-B" + config.ToolPath(toolchain)
ctx.Strict(clangPrefix+"TRIPLE", toolchain.ClangTriple())
ctx.Strict(clangPrefix+"GLOBAL_CFLAGS", strings.Join([]string{
toolchain.ClangCflags(),
"${config.CommonClangGlobalCflags}",
fmt.Sprintf("${config.%sClangGlobalCflags}", hod),
toolchain.ToolchainClangCflags(),
clangExtras,
productExtraCflags,
}, " "))
ctx.Strict(clangPrefix+"GLOBAL_CPPFLAGS", strings.Join([]string{
"${config.CommonClangGlobalCppflags}",
fmt.Sprintf("${config.%sGlobalCppflags}", hod),
toolchain.ClangCppflags(),
}, " "))
ctx.Strict(clangPrefix+"GLOBAL_LDFLAGS", strings.Join([]string{
fmt.Sprintf("${config.%sGlobalLdflags}", hod),
toolchain.ClangLdflags(),
toolchain.ToolchainClangLdflags(),
productExtraLdflags,
clangExtras,
}, " "))
ctx.Strict(clangPrefix+"GLOBAL_LLDFLAGS", strings.Join([]string{
fmt.Sprintf("${config.%sGlobalLldflags}", hod),
toolchain.ClangLldflags(),
toolchain.ToolchainClangLdflags(),
productExtraLdflags,
clangExtras,
}, " "))
if target.Os.Class == android.Device {
ctx.Strict(secondPrefix+"ADDRESS_SANITIZER_RUNTIME_LIBRARY", strings.TrimSuffix(config.AddressSanitizerRuntimeLibrary(toolchain), ".so"))
ctx.Strict(secondPrefix+"HWADDRESS_SANITIZER_RUNTIME_LIBRARY", strings.TrimSuffix(config.HWAddressSanitizerRuntimeLibrary(toolchain), ".so"))
ctx.Strict(secondPrefix+"HWADDRESS_SANITIZER_STATIC_LIBRARY", strings.TrimSuffix(config.HWAddressSanitizerStaticLibrary(toolchain), ".a"))
ctx.Strict(secondPrefix+"UBSAN_RUNTIME_LIBRARY", strings.TrimSuffix(config.UndefinedBehaviorSanitizerRuntimeLibrary(toolchain), ".so"))
ctx.Strict(secondPrefix+"UBSAN_MINIMAL_RUNTIME_LIBRARY", strings.TrimSuffix(config.UndefinedBehaviorSanitizerMinimalRuntimeLibrary(toolchain), ".a"))
ctx.Strict(secondPrefix+"TSAN_RUNTIME_LIBRARY", strings.TrimSuffix(config.ThreadSanitizerRuntimeLibrary(toolchain), ".so"))
ctx.Strict(secondPrefix+"SCUDO_RUNTIME_LIBRARY", strings.TrimSuffix(config.ScudoRuntimeLibrary(toolchain), ".so"))
ctx.Strict(secondPrefix+"SCUDO_MINIMAL_RUNTIME_LIBRARY", strings.TrimSuffix(config.ScudoMinimalRuntimeLibrary(toolchain), ".so"))
}
// This is used by external/gentoo/...
ctx.Strict("CLANG_CONFIG_"+target.Arch.ArchType.Name+"_"+typePrefix+"TRIPLE",
toolchain.ClangTriple())
if target.Os == android.Darwin {
ctx.Strict(makePrefix+"AR", "${config.MacArPath}")
ctx.Strict(makePrefix+"NM", "${config.MacToolPath}/nm")
ctx.Strict(makePrefix+"OTOOL", "${config.MacToolPath}/otool")
ctx.Strict(makePrefix+"STRIP", "${config.MacStripPath}")
} else {
ctx.Strict(makePrefix+"AR", "${config.ClangBin}/llvm-ar")
ctx.Strict(makePrefix+"READELF", "${config.ClangBin}/llvm-readelf")
ctx.Strict(makePrefix+"NM", "${config.ClangBin}/llvm-nm")
ctx.Strict(makePrefix+"STRIP", "${config.ClangBin}/llvm-strip")
}
if target.Os.Class == android.Device {
ctx.Strict(makePrefix+"OBJCOPY", gccCmd(toolchain, "objcopy"))
ctx.Strict(makePrefix+"LD", gccCmd(toolchain, "ld"))
ctx.Strict(makePrefix+"GCC_VERSION", toolchain.GccVersion())
ctx.Strict(makePrefix+"NDK_TRIPLE", config.NDKTriple(toolchain))
ctx.Strict(makePrefix+"TOOLS_PREFIX", gccCmd(toolchain, ""))
}
if target.Os.Class == android.Host {
ctx.Strict(makePrefix+"AVAILABLE_LIBRARIES", strings.Join(toolchain.AvailableLibraries(), " "))
}
ctx.Strict(makePrefix+"SHLIB_SUFFIX", toolchain.ShlibSuffix())
ctx.Strict(makePrefix+"EXECUTABLE_SUFFIX", toolchain.ExecutableSuffix())
}
func splitSystemIncludes(ctx android.MakeVarsContext, val string) (includes, systemIncludes []string) {
flags, err := ctx.Eval(val)
if err != nil {
panic(err)
}
extract := func(flags string, dirs []string, prefix string) (string, []string, bool) {
if strings.HasPrefix(flags, prefix) {
flags = strings.TrimPrefix(flags, prefix)
flags = strings.TrimLeft(flags, " ")
s := strings.SplitN(flags, " ", 2)
dirs = append(dirs, s[0])
if len(s) > 1 {
return strings.TrimLeft(s[1], " "), dirs, true
}
return "", dirs, true
} else {
return flags, dirs, false
}
}
flags = strings.TrimLeft(flags, " ")
for flags != "" {
found := false
flags, includes, found = extract(flags, includes, "-I")
if !found {
flags, systemIncludes, found = extract(flags, systemIncludes, "-isystem ")
}
if !found {
panic(fmt.Errorf("Unexpected flag in %q", flags))
}
}
return includes, systemIncludes
}
func joinLocalTidyChecks(checks []config.PathBasedTidyCheck) string {
rets := make([]string, len(checks))
for i, check := range config.DefaultLocalTidyChecks {
rets[i] = check.PathPrefix + ":" + check.Checks
}
return strings.Join(rets, " ")
}