Files
build_soong/rust/config/x86_linux_host.go
Colin Cross 528d67e523 Reland "Split the x86 host toolchain into glibc and musl variants"
Split the x86 host toolchain into glibc and musl variants

Create new musl toolchains that are based on the existing glibc
toolchains, and add the necessary flags for musl compiles.

This relands Ifc02f9e5afa61ff758be98b0c962f3a4b53d0546 with changes
for I46672e3a096b6ea94ff4c10e1c31e8fd010a163c.

Bug: 190084016
Change-Id: Iaa9f7a50ff601155ecd73acc5701a2c226be66dc
Test: TestArchMutator
2021-07-23 22:25:36 +00:00

138 lines
3.9 KiB
Go

// Copyright 2019 The Android Open Source Project
//
// 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 (
"strings"
"android/soong/android"
)
var (
LinuxRustFlags = []string{}
LinuxRustLinkFlags = []string{
"-B${cc_config.ClangBin}",
"-fuse-ld=lld",
"-Wl,--undefined-version",
}
linuxX86Rustflags = []string{}
linuxX86Linkflags = []string{}
linuxX8664Rustflags = []string{}
linuxX8664Linkflags = []string{}
)
func init() {
registerToolchainFactory(android.Linux, android.X86_64, linuxX8664ToolchainFactory)
registerToolchainFactory(android.Linux, android.X86, linuxX86ToolchainFactory)
// TODO: musl rust support
registerToolchainFactory(android.LinuxMusl, android.X86_64, linuxX8664ToolchainFactory)
registerToolchainFactory(android.LinuxMusl, android.X86, linuxX86ToolchainFactory)
pctx.StaticVariable("LinuxToolchainRustFlags", strings.Join(LinuxRustFlags, " "))
pctx.StaticVariable("LinuxToolchainLinkFlags", strings.Join(LinuxRustLinkFlags, " "))
pctx.StaticVariable("LinuxToolchainX86RustFlags", strings.Join(linuxX86Rustflags, " "))
pctx.StaticVariable("LinuxToolchainX86LinkFlags", strings.Join(linuxX86Linkflags, " "))
pctx.StaticVariable("LinuxToolchainX8664RustFlags", strings.Join(linuxX8664Rustflags, " "))
pctx.StaticVariable("LinuxToolchainX8664LinkFlags", strings.Join(linuxX8664Linkflags, " "))
}
type toolchainLinux struct {
toolchainRustFlags string
toolchainLinkFlags string
}
type toolchainLinuxX86 struct {
toolchain32Bit
toolchainLinux
}
type toolchainLinuxX8664 struct {
toolchain64Bit
toolchainLinux
}
func (toolchainLinuxX8664) Supported() bool {
return true
}
func (toolchainLinuxX8664) Bionic() bool {
return false
}
func (t *toolchainLinuxX8664) Name() string {
return "x86_64"
}
func (t *toolchainLinuxX8664) RustTriple() string {
return "x86_64-unknown-linux-gnu"
}
func (t *toolchainLinuxX8664) ToolchainLinkFlags() string {
// Prepend the lld flags from cc_config so we stay in sync with cc
return "${cc_config.LinuxLldflags} ${cc_config.LinuxX8664Lldflags} " +
"${config.LinuxToolchainLinkFlags} ${config.LinuxToolchainX8664LinkFlags}"
}
func (t *toolchainLinuxX8664) ToolchainRustFlags() string {
return "${config.LinuxToolchainRustFlags} ${config.LinuxToolchainX8664RustFlags}"
}
func linuxX8664ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxX8664Singleton
}
func (toolchainLinuxX86) Supported() bool {
return true
}
func (toolchainLinuxX86) Bionic() bool {
return false
}
func (t *toolchainLinuxX86) Name() string {
return "x86"
}
func (toolchainLinuxX86) LibclangRuntimeLibraryArch() string {
return "i386"
}
func (toolchainLinuxX8664) LibclangRuntimeLibraryArch() string {
return "x86_64"
}
func (t *toolchainLinuxX86) RustTriple() string {
return "i686-unknown-linux-gnu"
}
func (t *toolchainLinuxX86) ToolchainLinkFlags() string {
// Prepend the lld flags from cc_config so we stay in sync with cc
return "${cc_config.LinuxLldflags} ${cc_config.LinuxX86Lldflags} " +
"${config.LinuxToolchainLinkFlags} ${config.LinuxToolchainX86LinkFlags}"
}
func (t *toolchainLinuxX86) ToolchainRustFlags() string {
return "${config.LinuxToolchainRustFlags} ${config.LinuxToolchainX86RustFlags}"
}
func linuxX86ToolchainFactory(arch android.Arch) Toolchain {
return toolchainLinuxX86Singleton
}
var toolchainLinuxX8664Singleton Toolchain = &toolchainLinuxX8664{}
var toolchainLinuxX86Singleton Toolchain = &toolchainLinuxX86{}