From 1b6df8a4802cd4580f515cf63756dad1649290fe Mon Sep 17 00:00:00 2001
From: rachitchokshi <rachitchokshi@gmail.com>
Date: Sat, 8 Sep 2018 14:23:14 -0700
Subject: [PATCH] Enabled build target aarch64-unknown-linux-gnu for arm64
 architecture

---
 .travis.yml            | 8 +++++++-
 Cargo.toml             | 1 +
 ci/before_install.bash | 8 ++++++++
 ci/script.bash         | 2 +-
 4 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 28478f22..100f54fe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,13 @@ matrix:
         - TARGET=arm-unknown-linux-gnueabihf
         - CC_arm_unknown_linux_gnueabihf=/usr/bin/arm-linux-gnueabihf-gcc-4.8
         - CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc-4.8
-
+    - os: linux
+      rust: stable
+      env:
+        - TARGET=aarch64-unknown-linux-gnu
+        - CC_aarch64-unknown-linux-gnu=/usr/bin/aarch64-linux-gnu-gcc-4.8
+        - CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc-4.8
+        
     # Minimum Rust supported channel.
     - os: linux
       rust: 1.26.0
diff --git a/Cargo.toml b/Cargo.toml
index ac395507..4df621ac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,7 @@ ansi_term = "0.11"
 console = "0.6"
 directories = "1.0"
 lazy_static = "1.0"
+libz-sys = "1.0.20"
 
 [dependencies.git2]
 version = "0.7"
diff --git a/ci/before_install.bash b/ci/before_install.bash
index 709be7d5..9acf6025 100755
--- a/ci/before_install.bash
+++ b/ci/before_install.bash
@@ -27,3 +27,11 @@ if [[ $TARGET == arm-unknown-linux-gnueabihf ]]; then
         libc6-armhf-cross \
         libc6-dev-armhf-cross
 fi
+
+# needed for cross-compiling for arm64
+if [[ $TARGET == aarch64-unknown-linux-gnu ]]; then
+    sudo apt-get install -y \
+        gcc-4.8-aarch64-linux-gnu \
+        binutils-aarch64-linux-gnu \
+        gcc-aarch64-linux-gnu
+fi
diff --git a/ci/script.bash b/ci/script.bash
index 321dcb14..fc874b96 100755
--- a/ci/script.bash
+++ b/ci/script.bash
@@ -6,7 +6,7 @@ set -ex
 cargo build --target "$TARGET" --verbose
 
 # We cannot run arm executables on linux
-if [[ $TARGET != arm-unknown-linux-gnueabihf ]]; then
+if [[ $TARGET != arm-unknown-linux-gnueabihf ]] && [[ $TARGET != aarch64-unknown-linux-gnu ]]; then
     cargo test --target "$TARGET" --verbose
 
     # Run 'bat' on its own source code and the README