add ci

Author: japaric

.travis.yml

@@ -0,0 +1,37 @@
+language: rust
+
+matrix:
+  include:
+    - env: TARGET=x86_64-unknown-linux-gnu
+      rust: nightly
+
+    - env: TARGET=thumbv6m-none-eabi
+      rust: nightly
+
+    - env: TARGET=thumbv7m-none-eabi
+      rust: nightly
+
+before_install: set -e
+
+install:
+  - bash ci/install.sh
+
+script:
+  - bash ci/script.sh
+
+after_script: set +e
+
+cache: cargo
+
+before_cache:
+  # Travis can't cache files that are not readable by "others"
+  - chmod -R a+r $HOME/.cargo
+
+branches:
+  only:
+    - staging
+    - trying
+
+notifications:
+  email:
+    on_success: never

bors.toml

@@ -0,0 +1,3 @@
+status = [
+  "continuous-integration/travis-ci/push",
+]

ci/install.sh

@@ -0,0 +1,9 @@
+set -euxo pipefail
+
+main() {
+    if [ $TARGET != x86_64-unknown-linux-gnu ]; then
+        rustup target add $TARGET
+    fi
+}
+
+main

ci/script.sh

@@ -0,0 +1,7 @@
+set -euxo pipefail
+
+main() {
+    cargo check --target $TARGET
+}
+
+main

src/lib.rs

@@ -43,9 +43,10 @@
 //! _heap_end = ORIGIN(SRAM) + LENGTH(SRAM) - _stack_size;
 //! ```
 
+#![feature(alloc)]
+#![feature(allocator_api)]
 #![feature(const_fn)]
 #![no_std]
-#![feature(alloc, allocator_api)]
 
 extern crate alloc;
 extern crate cortex_m;