From eeee033f9d4678ac11b5f8ca722021480b5be59c Mon Sep 17 00:00:00 2001
From: klzgrad <kizdiv@gmail.com>
Date: Sat, 5 Oct 2019 16:32:10 +0800
Subject: [PATCH] Support arm64 and arm builds

---
 .travis.yml      | 23 ++++++++++++++++-------
 src/build.sh     |  1 -
 src/get-clang.sh | 23 +++++++++++++++++++++++
 tests/basic.sh   | 10 +++++++++-
 4 files changed, 48 insertions(+), 9 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 1a3c1d602f..46df6dcdef 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,18 +4,27 @@ branches:
 language: cpp
 matrix:
   include:
-    - os: linux
-      dist: xenial
-    - os: osx
+    - name: "linux-x64"
+      os: linux
+      dist: bionic
+    - name: "linux-arm64"
+      os: linux
+      dist: bionic
+      env: EXTRA_FLAGS='target_cpu="arm64"'
+    - name: "linux-arm"
+      os: linux
+      dist: bionic
+      env: EXTRA_FLAGS='target_cpu="arm"'
+    - name: "osx"
+      os: osx
       osx_image: xcode10.2
 addons:
   apt:
-    sources:
-      - sourceline: 'deb http://archive.ubuntu.com/ubuntu/ xenial-backports universe'
     packages:
-      - ninja-build=1.7.1-1~ubuntu16.04.1
+      - ninja-build
       - pkg-config
       - libnss3-dev
+      - qemu-user
   homebrew:
     packages:
       - ninja
@@ -28,7 +37,7 @@ script:
   - ( cd src; ./build.sh )
   - ccache -s
   - ./tests/basic.sh src/out/Release/naive
-  - export BUILD_NAME="naiveproxy-$TRAVIS_BRANCH-$TRAVIS_OS_NAME"
+  - export BUILD_NAME="naiveproxy-$TRAVIS_BRANCH-$TRAVIS_JOB_NAME"
   - mkdir $BUILD_NAME
   - cp src/out/Release/naive src/config.json LICENSE USAGE.txt $BUILD_NAME
   - tar cJf $BUILD_NAME.tar.xz $BUILD_NAME
diff --git a/src/build.sh b/src/build.sh
index 5f496a5560..4824ea364d 100755
--- a/src/build.sh
+++ b/src/build.sh
@@ -37,7 +37,6 @@ flags="$flags"'
 
   fatal_linker_warnings=false
   treat_warnings_as_errors=false
-  use_sysroot=false
 
   fieldtrial_testing_like_official_build=true
 
diff --git a/src/get-clang.sh b/src/get-clang.sh
index 8e00f34e86..807c85ed41 100755
--- a/src/get-clang.sh
+++ b/src/get-clang.sh
@@ -7,6 +7,29 @@ case "$ARCH" in
   MSYS*) ARCH=Windows;;
 esac
 
+eval "$EXTRA_FLAGS"
+
+build_sysroot() {
+  local lower="$(echo "$1" | tr '[:upper:]' '[:lower:]')"
+  ./build/linux/sysroot_scripts/sysroot-creator-sid-naive.sh "BuildSysroot$1"
+  rm -rf "./build/linux/debian_sid_$lower-sysroot"
+  mkdir "./build/linux/debian_sid_$lower-sysroot"
+  tar xf "./out/sysroot-build/sid/debian_sid_${lower}_sysroot.tar.xz" -C "./build/linux/debian_sid_$lower-sysroot"
+}
+
+if [ "$ARCH" = Linux ]; then
+  build_sysroot Amd64
+  case "$target_cpu" in
+    arm64)
+      build_sysroot ARM64
+    ;;
+    arm)
+      build_sysroot I386
+      build_sysroot ARM
+    ;;
+  esac
+fi
+
 # Clang
 python2=$(which python2 2>/dev/null || which python 2>/dev/null)
 CLANG_REVISION=$($python2 tools/clang/scripts/update.py --print-revision)
diff --git a/tests/basic.sh b/tests/basic.sh
index 69de22b615..b813b88992 100755
--- a/tests/basic.sh
+++ b/tests/basic.sh
@@ -2,10 +2,18 @@
 
 [ "$1" ] || exit 1
 naive="$1"
+eval "$EXTRA_FLAGS"
+if [ "$(uname)" = Linux ]; then
+  case "$target_cpu" in
+    arm64) naive="qemu-aarch64 -L src/build/linux/debian_sid_arm64-sysroot $naive";;
+    arm) naive="qemu-arm -L src/build/linux/debian_sid_arm-sysroot $naive";;
+  esac
+fi
+
 set -ex
 
 test_proxy() {
-  curl -v --proxy "$1" https://www.google.com/humans.txt | grep '^Google is built'
+  curl -v --proxy "$1" https://www.microsoft.com/robots.txt | grep 'www.microsoft.com'
 }
 
 test_naive() {