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// 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 config
import (
"fmt"
"strings"
"android/soong/android"
)
var (
// Flags used by lots of devices. Putting them in package static variables
// will save bytes in build.ninja so they aren't repeated for every file
commonGlobalCflags = []string{
"-DANDROID",
"-fmessage-length=0",
"-W",
"-Wall",
"-Wno-unused",
"-Winit-self",
"-Wpointer-arith",
// COMMON_RELEASE_CFLAGS
"-DNDEBUG",
"-UDEBUG",
}
commonGlobalConlyflags = []string{}
deviceGlobalCflags = []string{
"-fdiagnostics-color",
// TARGET_ERROR_FLAGS
"-Werror=return-type",
"-Werror=non-virtual-dtor",
"-Werror=address",
"-Werror=sequence-point",
"-Werror=date-time",
}
hostGlobalCflags = []string{}
commonGlobalCppflags = []string{
"-Wsign-promo",
}
noOverrideGlobalCflags = []string{
"-Werror=int-to-pointer-cast",
"-Werror=pointer-to-int-cast",
}
IllegalFlags = []string{
"-w",
}
CStdVersion = "gnu99"
CppStdVersion = "gnu++14"
GccCppStdVersion = "gnu++11"
ExperimentalCStdVersion = "gnu11"
ExperimentalCppStdVersion = "gnu++1z"
NdkMaxPrebuiltVersionInt = 24
// prebuilts/clang default settings.
ClangDefaultBase = "prebuilts/clang/host"
ClangDefaultVersion = "clang-4053586"
ClangDefaultShortVersion = "5.0"
)
var pctx = android.NewPackageContext("android/soong/cc/config")
func init() {
if android.BuildOs == android.Linux {
commonGlobalCflags = append(commonGlobalCflags, "-fdebug-prefix-map=/proc/self/cwd=")
}
pctx.StaticVariable("CommonGlobalCflags", strings.Join(commonGlobalCflags, " "))
pctx.StaticVariable("CommonGlobalConlyflags", strings.Join(commonGlobalConlyflags, " "))
pctx.StaticVariable("DeviceGlobalCflags", strings.Join(deviceGlobalCflags, " "))
pctx.StaticVariable("HostGlobalCflags", strings.Join(hostGlobalCflags, " "))
pctx.StaticVariable("NoOverrideGlobalCflags", strings.Join(noOverrideGlobalCflags, " "))
pctx.StaticVariable("CommonGlobalCppflags", strings.Join(commonGlobalCppflags, " "))
pctx.StaticVariable("CommonClangGlobalCflags",
strings.Join(append(ClangFilterUnknownCflags(commonGlobalCflags), "${ClangExtraCflags}"), " "))
pctx.StaticVariable("DeviceClangGlobalCflags",
strings.Join(append(ClangFilterUnknownCflags(deviceGlobalCflags), "${ClangExtraTargetCflags}"), " "))
pctx.StaticVariable("HostClangGlobalCflags",
strings.Join(ClangFilterUnknownCflags(hostGlobalCflags), " "))
pctx.StaticVariable("NoOverrideClangGlobalCflags",
strings.Join(append(ClangFilterUnknownCflags(noOverrideGlobalCflags), "${ClangExtraNoOverrideCflags}"), " "))
pctx.StaticVariable("CommonClangGlobalCppflags",
strings.Join(append(ClangFilterUnknownCflags(commonGlobalCppflags), "${ClangExtraCppflags}"), " "))
// Everything in these lists is a crime against abstraction and dependency tracking.
// Do not add anything to this list.
pctx.PrefixedExistentPathsForSourcesVariable("CommonGlobalIncludes", "-I",
[]string{
"system/core/include",
"system/media/audio/include",
"hardware/libhardware/include",
"hardware/libhardware_legacy/include",
"hardware/ril/include",
"libnativehelper/include",
"frameworks/native/include",
"frameworks/native/opengl/include",
"frameworks/av/include",
})
// This is used by non-NDK modules to get jni.h. export_include_dirs doesn't help
// with this, since there is no associated library.
pctx.PrefixedExistentPathsForSourcesVariable("CommonNativehelperInclude", "-I",
[]string{"libnativehelper/include_deprecated"})
pctx.SourcePathVariable("ClangDefaultBase", ClangDefaultBase)
pctx.VariableFunc("ClangBase", func(config interface{}) (string, error) {
if override := config.(android.Config).Getenv("LLVM_PREBUILTS_BASE"); override != "" {
return override, nil
}
return "${ClangDefaultBase}", nil
})
pctx.VariableFunc("ClangVersion", func(config interface{}) (string, error) {
if override := config.(android.Config).Getenv("LLVM_PREBUILTS_VERSION"); override != "" {
return override, nil
}
return ClangDefaultVersion, nil
})
pctx.StaticVariable("ClangPath", "${ClangBase}/${HostPrebuiltTag}/${ClangVersion}")
pctx.StaticVariable("ClangBin", "${ClangPath}/bin")
pctx.VariableFunc("ClangShortVersion", func(config interface{}) (string, error) {
if override := config.(android.Config).Getenv("LLVM_RELEASE_VERSION"); override != "" {
return override, nil
}
return ClangDefaultShortVersion, nil
})
pctx.StaticVariable("ClangAsanLibDir", "${ClangPath}/lib64/clang/${ClangShortVersion}/lib/linux")
// These are tied to the version of LLVM directly in external/llvm, so they might trail the host prebuilts
// being used for the rest of the build process.
pctx.SourcePathVariable("RSClangBase", "prebuilts/clang/host")
pctx.SourcePathVariable("RSClangVersion", "clang-3289846")
pctx.SourcePathVariable("RSReleaseVersion", "3.8")
pctx.StaticVariable("RSLLVMPrebuiltsPath", "${RSClangBase}/${HostPrebuiltTag}/${RSClangVersion}/bin")
pctx.StaticVariable("RSIncludePath", "${RSLLVMPrebuiltsPath}/../lib64/clang/${RSReleaseVersion}/include")
pctx.PrefixedExistentPathsForSourcesVariable("RsGlobalIncludes", "-I",
[]string{
"external/clang/lib/Headers",
"frameworks/rs/script_api/include",
})
pctx.VariableFunc("CcWrapper", func(config interface{}) (string, error) {
if override := config.(android.Config).Getenv("CC_WRAPPER"); override != "" {
return override + " ", nil
}
return "", nil
})
}
var HostPrebuiltTag = pctx.VariableConfigMethod("HostPrebuiltTag", android.Config.PrebuiltOS)
func bionicHeaders(bionicArch, kernelArch string) string {
return strings.Join([]string{
"-isystem bionic/libc/arch-" + bionicArch + "/include",
"-isystem bionic/libc/include",
"-isystem bionic/libc/kernel/uapi",
"-isystem bionic/libc/kernel/uapi/asm-" + kernelArch,
"-isystem bionic/libc/kernel/android/scsi",
"-isystem bionic/libc/kernel/android/uapi",
}, " ")
}
func replaceFirst(slice []string, from, to string) {
if slice[0] != from {
panic(fmt.Errorf("Expected %q, found %q", from, to))
}
slice[0] = to
}
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