Add ARM and Aarch64 to Travis CI (build only, no tests).

.travis.yml

@@ -2,6 +2,30 @@ language: rust
 matrix:
   fast_finish: true
   include:
+    - env: TARGET_X=aarch64-unknown-linux-gnu CC_X=aarch64-linux-gnu-gcc CXX_X=aarch64-linux-gnu-g++ MODE_X=DEBUG
+      rust: stable
+
+    - env: TARGET_X=aarch64-unknown-linux-gnu CC_X=aarch64-linux-gnu-gcc CXX_X=aarch64-linux-gnu-g++ MODE_X=RELEASE
+      rust: stable
+
+    - env: TARGET_X=aarch64-unknown-linux-gnu CC_X=aarch64-linux-gnu-gcc CXX_X=aarch64-linux-gnu-g++ MODE_X=DEBUG
+      rust: nightly
+
+    - env: TARGET_X=aarch64-unknown-linux-gnu CC_X=aarch64-linux-gnu-gcc CXX_X=aarch64-linux-gnu-g++ MODE_X=RELEASE
+      rust: nightly
+
+    - env: TARGET_X=arm-unknown-linux-gnueabi CC_X=arm-linux-gnueabi-gcc CXX_X=arm-linux-gnueabi-g++ MODE_X=DEBUG
+      rust: stable
+
+    - env: TARGET_X=arm-unknown-linux-gnueabi CC_X=arm-linux-gnueabi-gcc CXX_X=arm-linux-gnueabi-g++ MODE_X=RELEASE
+      rust: stable
+
+    - env: TARGET_X=arm-unknown-linux-gnueabi CC_X=arm-linux-gnueabi-gcc CXX_X=arm-linux-gnueabi-g++ MODE_X=DEBUG
+      rust: nightly
+
+    - env: TARGET_X=arm-unknown-linux-gnueabi CC_X=arm-linux-gnueabi-gcc CXX_X=arm-linux-gnueabi-g++ MODE_X=RELEASE
+      rust: nightly
+
     # The lines from "# BEGIN GENERATED" through "# END GENERATED" are
     # generated by running |python mk/update-travis-yml.py|. Any changes
     # made to those lines will be overwritten while other lines will be left

README.md

@@ -85,9 +85,13 @@ in the table below.
 
 <table>
 <tr><th>OS</th><th>Arch.</th><th>Compilers</th><th>Status</th>
-<tr><td>Linux</td>
-    <td>x86, x64<td>GCC 4.6, 4.8, 4.9, 5; Clang 3.4, 3.6, 3.7, 3.8 (trunk)</td>
-    <td rowspan=2><a title="Build Status" href=https://travis-ci.org/briansmith/ring><img src=https://travis-ci.org/briansmith/ring.svg?branch=master></a>
+<tr><td rowspan=2>Linux</td>
+    <td>x86, x64</td>
+    <td>GCC 4.6, 4.8, 4.9, 5; Clang 3.4, 3.6, 3.7, 3.8 (trunk)</td>
+    <td rowspan=3><a title="Build Status" href=https://travis-ci.org/briansmith/ring><img src=https://travis-ci.org/briansmith/ring.svg?branch=master></a>
+</tr>
+<tr><td>32-bit ARM, AAarch64</td>
+    <td>Linaro GCC 5.1-2015.08 (build only, no tests are run)</td>
 </tr>
 <tr><td>Mac OS X</td>
     <td>x64</td>

mk/travis.sh

@@ -18,15 +18,32 @@ set -eux -o pipefail
 IFS=$'\n\t'
 
 printenv
-$CC_X --version
-$CXX_X --version
-make --version
 
-cargo version
-rustc --version
+case $TARGET_X in
+aarch64-unknown-linux-gnu)
+  DL_TARGET=aarch64-linux-gnu
+  DL_DIGEST=b9137008744d9009877f662dbac7481d673cdcb1798e727e325a37c98a0f63da
+  ;;
+arm-unknown-linux-gnueabi)
+  DL_TARGET=arm-linux-gnueabi
+  DL_DIGEST=1c11a944d3e515405e01effc129f3bbf24effb300effa10bf486c9119378ccd7
+  ;;
+*)
+  ;;
+esac
+
+if [[ -n ${DL_TARGET-} ]]; then
+  DL_ROOT=https://releases.linaro.org/components/toolchain/binaries/
+  DL_RELEASE=5.1-2015.08
+  DL_BASENAME=gcc-linaro-$DL_RELEASE-x86_64_$DL_TARGET
+  wget $DL_ROOT/$DL_RELEASE/$DL_TARGET/$DL_BASENAME.tar.xz
+  echo "$DL_DIGEST  $DL_BASENAME.tar.xz" | sha256sum -c
+  tar xf $DL_BASENAME.tar.xz
+  export PATH=$PWD/$DL_BASENAME/bin:$PATH
+fi
 
 if [[ ! "$TARGET_X" =~ "x86_64-" ]]; then
-  ./mk/travis-install-rust-x86.sh
+  ./mk/travis-install-rust-std.sh
 
   # By default cargo/rustc seems to use cc for linking, We installed the
   # multilib support that corresponds to $CC_X and $CXX_X but unless cc happens
@@ -38,13 +55,25 @@ if [[ ! "$TARGET_X" =~ "x86_64-" ]]; then
   cat .cargo/config
 fi
 
+$CC_X --version
+$CXX_X --version
+make --version
+
+cargo version
+rustc --version
+
 if [[ "$MODE_X" == "RELWITHDEBINFO" ]]; then mode=--release; fi
 
 CC=$CC_X CXX=$CXX_X cargo build -j2 ${mode-} --verbose --target=$TARGET_X
 
-CC=$CC_X CXX=$CXX_X cargo test -j2 ${mode-} --verbose --target=$TARGET_X
-
-CC=$CC_X CXX=$CXX_X cargo doc --verbose
+case $TARGET_X in
+arm-unknown-linux-gnueabi|aarch64-unknown-linux-gnu)
+  ;;
+*)
+  CC=$CC_X CXX=$CXX_X cargo test -j2 ${mode-} --verbose --target=$TARGET_X
+  CC=$CC_X CXX=$CXX_X cargo doc --verbose
+  ;;
+esac
 
 CC=$CC_X CXX=$CXX_X cargo clean --verbose
 

mk/update-travis-yml.py

@@ -78,8 +78,8 @@ targets = {
         "x86_64-apple-darwin",
     ],
     "linux" : [
-        "x86_64-unknown-linux-gnu",
         "i686-unknown-linux-gnu",
+        "x86_64-unknown-linux-gnu",
     ],
 }