enable testing on Android x86_64

Currently, at the time of 2020/03/11, testing on AArch64 is not supported in the upstream repository

Cargo.toml

@@ -119,3 +119,4 @@ crate-type = ["bin"]
 
 [patch.crates-io]
 libc = { git = "https://github.com/rust-lang/libc.git" }
+wabt-sys = { git = "https://github.com/pepyakin/wabt-rs.git" }

ci/README.md

@@ -0,0 +1,3 @@
+# About this directory
+
+This directory is originally copied from [rust-lang/libc/ci](https://github.com/rust-lang/libc/tree/master/ci).

ci/android-install-ndk.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env sh
+# Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+set -ex
+
+NDK=android-ndk-r19c
+curl --retry 20 -O https://dl.google.com/android/repository/${NDK}-linux-x86_64.zip
+unzip -q -d ndk ${NDK}-linux-x86_64.zip
+mv ./ndk/"$NDK"/* ./ndk/
+
+rm -rf ./${NDK}-linux-x86_64.zip

ci/android-install-sdk.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env sh
+# Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+set -ex
+
+# Prep the SDK and emulator
+#
+# Note that the update process requires that we accept a bunch of licenses, and
+# we can't just pipe `yes` into it for some reason, so we take the same strategy
+# located in https://github.com/appunite/docker by just wrapping it in a script
+# which apparently magically accepts the licenses.
+
+SDK=4333796
+mkdir sdk
+curl --retry 20 https://dl.google.com/android/repository/sdk-tools-linux-${SDK}.zip -O
+unzip -q -d sdk sdk-tools-linux-${SDK}.zip
+
+case "$1" in
+  arm | armv7)
+    api=24
+    image="system-images;android-${api};google_apis;armeabi-v7a"
+    ;;
+  aarch64)
+    api=24
+    image="system-images;android-${api};google_apis;arm64-v8a"
+    ;;
+  i686)
+    api=28
+    image="system-images;android-${api};default;x86"
+    ;;
+  x86_64)
+    api=28
+    image="system-images;android-${api};default;x86_64"
+    ;;
+  *)
+    echo "invalid arch: $1"
+    exit 1
+    ;;
+esac;
+
+# Try to fix warning about missing file.
+# See https://askubuntu.com/a/1078784
+mkdir -p /root/.android/
+echo '### User Sources for Android SDK Manager' >> /root/.android/repositories.cfg
+echo '#Fri Nov 03 10:11:27 CET 2017 count=0' >> /root/.android/repositories.cfg
+
+# Print all available packages
+# yes | ./sdk/tools/bin/sdkmanager --list --verbose
+
+# --no_https avoids
+# javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: No trusted certificate found
+#
+# | grep -v = || true    removes the progress bar output from the sdkmanager
+# which produces an insane amount of output.
+yes | ./sdk/tools/bin/sdkmanager --licenses --no_https | grep -v = || true
+yes | ./sdk/tools/bin/sdkmanager --no_https \
+        "emulator" \
+        "platform-tools" \
+        "platforms;android-${api}" \
+        "${image}" | grep -v = || true
+
+echo "no" |
+    ./sdk/tools/bin/avdmanager create avd \
+        --name "${1}" \
+        --package "${image}" | grep -v = || true

ci/android-sysimage.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+set -ex
+
+URL=https://dl.google.com/android/repository/sys-img/android
+
+main() {
+    local arch="${1}"
+    local name="${2}"
+    local dest=/system
+    local td
+    td="$(mktemp -d)"
+
+    apt-get install --no-install-recommends e2tools
+
+    pushd "${td}"
+    curl --retry 5 -O "${URL}/${name}"
+    unzip -q "${name}"
+
+    local system
+    system="$(find . -name system.img)"
+    mkdir -p ${dest}/{bin,lib,lib64}
+
+    # Extract android linker and libraries to /system
+    # This allows android executables to be run directly (or with qemu)
+    if [ "${arch}" = "x86_64" ] || [ "${arch}" = "arm64" ]; then
+        e2cp -p "${system}:/bin/linker64" "${dest}/bin/"
+        e2cp -p "${system}:/lib64/libdl.so" "${dest}/lib64/"
+        e2cp -p "${system}:/lib64/libc.so" "${dest}/lib64/"
+        e2cp -p "${system}:/lib64/libm.so" "${dest}/lib64/"
+    else
+        e2cp -p "${system}:/bin/linker" "${dest}/bin/"
+        e2cp -p "${system}:/lib/libdl.so" "${dest}/lib/"
+        e2cp -p "${system}:/lib/libc.so" "${dest}/lib/"
+        e2cp -p "${system}:/lib/libm.so" "${dest}/lib/"
+    fi
+
+    # clean up
+    apt-get purge --auto-remove -y e2tools
+
+    popd
+
+    rm -rf "${td}"
+}
+
+main "${@}"

ci/azure-install-rust.yml

@@ -0,0 +1,82 @@
+steps:
+  - bash: |
+      set -ex
+      toolchain=$TOOLCHAIN
+      if [ "$toolchain" = "" ]; then
+        toolchain=nightly
+      fi
+      if command -v rustup; then
+        # Uncomment when rustup on Azure is updated
+        #rustup set profile minimal
+        rustup update $toolchain
+        rustup default $toolchain
+      else
+        curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $toolchain --profile=minimal
+        echo "##vso[task.prependpath]$HOME/.cargo/bin"
+      fi
+    displayName: Install rust (unix)
+    condition: ne( variables['Agent.OS'], 'Windows_NT' )
+  - script: |
+      @echo on
+      if not defined TOOLCHAIN set TOOLCHAIN=nightly
+      :: Uncomment when rustup on Azure is updated
+      ::rustup set profile minimal
+      rustup update --no-self-update %TOOLCHAIN%-%TARGET%
+      rustup default %TOOLCHAIN%-%TARGET%
+    displayName: Install rust (windows)
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )
+  - script: |
+      set -ex
+      if [ -n "${TARGET}" ]; then
+        rustup target add $TARGET
+      fi
+    condition: ne( variables['Agent.OS'], 'Windows_NT' )
+    displayName: Install target (unix)
+  - script: |
+      @echo on
+      if defined TARGET rustup target add %TARGET%
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )
+    displayName: Install target (windows)
+  - script: |
+      @echo on
+      if "%ARCH%" == "i686" choco install mingw --x86 --force
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )
+    displayName: Install MinGW32 (windows)
+  - bash: |
+      set -ex
+      gcc -print-search-dirs
+      find "C:\ProgramData\Chocolatey" -name "crt2*"
+      find "C:\ProgramData\Chocolatey" -name "dllcrt2*"
+      find "C:\ProgramData\Chocolatey" -name "libmsvcrt*"
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )	
+    displayName: Find GCC libraries (windows)
+  - bash: |
+      set -ex
+      if [[ -n ${ARCH_BITS} ]]; then
+        for i in crt2.o dllcrt2.o libmingwex.a libmsvcrt.a ; do
+          cp -f "/C/ProgramData/Chocolatey/lib/mingw/tools/install/mingw${ARCH_BITS}/${ARCH}-w64-mingw32/lib/$i" "`rustc --print sysroot`/lib/rustlib/${TARGET}/lib"
+        done
+      fi
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )	
+    displayName: Fix MinGW (windows)
+  - bash: |
+        set -ex
+        rustc -Vv
+        cargo -V
+        rustup -Vv
+        rustup show
+        which rustc
+        which cargo
+        which rustup
+    displayName: Query rust and cargo versions
+  - script: |
+      @echo on
+      where gcc
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )
+    displayName: Query gcc path
+  - bash: |
+      set -ex
+      cargo generate-lockfile
+      cargo generate-lockfile --manifest-path libc-test/Cargo.toml
+    displayName: Generate lockfiles
+

ci/azure-master.yml

@@ -0,0 +1,22 @@
+variables:
+  - group: secrets
+resources:
+  repositories:
+    - repository: rustinfra
+      type: github
+      name: rust-lang/simpleinfra
+      endpoint: gnzlbg
+trigger: ["master"]
+pr: ["master"]
+
+jobs:
+  - job: StyleAndDocs
+    pool:
+      vmImage: ubuntu-16.04
+    steps:
+      - template: azure-install-rust.yml
+      - script: LIBC_CI=1 sh ci/dox.sh
+        displayName: Generate documentation
+      - template: azure-configs/static-websites.yml@rustinfra
+        parameters:
+          deploy_dir: target/doc