[ci] powerpc/powerpc64/powerpc64le (rust-lang#237)

* [ci] add powerpc/powerpc64 build bots

* unbreak stdsimd builds for targets without run-time

Author: gnzlbg

.travis.yml

@@ -12,6 +12,9 @@ matrix:
     - env: TARGET=arm-unknown-linux-gnueabihf
     - env: TARGET=armv7-unknown-linux-gnueabihf
     - env: TARGET=aarch64-unknown-linux-gnu
+    - env: TARGET=powerpc-unknown-linux-gnu
+    - env: TARGET=powerpc64-unknown-linux-gnu
+    - env: TARGET=powerpc64le-unknown-linux-gnu
     - os: osx
       env: TARGET=i686-apple-darwin
       script: ci/run.sh

ci/docker/powerpc-unknown-linux-gnu/Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:17.10
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        gcc libc6-dev qemu-user ca-certificates \
+        gcc-powerpc-linux-gnu libc6-dev-powerpc-cross \
+        qemu-system-ppc \
+        make \
+        file
+
+ENV CARGO_TARGET_POWERPC_UNKNOWN_LINUX_GNU_LINKER=powerpc-linux-gnu-gcc \
+    CARGO_TARGET_POWERPC_UNKNOWN_LINUX_GNU_RUNNER="qemu-ppc -L /usr/powerpc-linux-gnu" \
+    OBJDUMP=powerpc-linux-gnu-objdump

ci/docker/powerpc64-unknown-linux-gnu/Dockerfile

@@ -0,0 +1,17 @@
+FROM ubuntu:17.10
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    ca-certificates \
+    libc6-dev \
+    gcc-powerpc64-linux-gnu \
+    libc6-dev-ppc64-cross \
+    qemu-user  \
+    qemu-system-ppc \
+    make \
+    file 
+
+ENV CARGO_TARGET_POWERPC64_UNKNOWN_LINUX_GNU_LINKER=powerpc64-linux-gnu-gcc \
+    CARGO_TARGET_POWERPC64_UNKNOWN_LINUX_GNU_RUNNER="qemu-ppc64 -L /usr/powerpc64-linux-gnu" \
+    CC=powerpc64-linux-gnu-gcc \
+    OBJDUMP=powerpc64-linux-gnu-objdump

ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:17.10
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        gcc libc6-dev qemu-user ca-certificates \
+        gcc-powerpc64le-linux-gnu libc6-dev-ppc64el-cross \
+        qemu-system-ppc file make
+
+ENV CARGO_TARGET_POWERPC64LE_UNKNOWN_LINUX_GNU_LINKER=powerpc64le-linux-gnu-gcc \
+    CARGO_TARGET_POWERPC64LE_UNKNOWN_LINUX_GNU_RUNNER="qemu-ppc64le -L /usr/powerpc64le-linux-gnu" \
+    CC=powerpc64le-linux-gnu-gcc \
+    OBJDUMP=powerpc64le-linux-gnu-objdump

ci/dox.sh

@@ -24,13 +24,18 @@ dox() {
 
   cargo build --target $target
 
-  rustdoc --target $target -o target/doc/$arch src/lib.rs --crate-name stdsimd --library-path target/$target/debug/deps
+  rustdoc --target $target \
+          -o target/doc/$arch src/lib.rs \
+          --crate-name stdsimd \
+          --library-path target/$target/debug/deps
 }
 
 dox i686 i686-unknown-linux-gnu
 dox x86_64 x86_64-unknown-linux-gnu
 dox arm armv7-unknown-linux-gnueabihf
 dox aarch64 aarch64-unknown-linux-gnu
+dox powerpc powerpc-unknown-linux-gnu
+dox powerpc64 powerpc64-unknown-linux-gnu
 
 # If we're on travis, not a PR, and on the right branch, publish!
 if [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "$TRAVIS_BRANCH" = "master" ]; then

src/lib.rs

@@ -138,7 +138,10 @@ extern crate coresimd;
 pub mod vendor {
     pub use coresimd::vendor::*;
 
-    #[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
+    #[cfg(all(target_os = "linux",
+              any(target_arch = "arm",
+                  target_arch = "aarch64",
+                  target_arch = "powerpc64")))]
     pub use super::runtime::{__unstable_detect_feature, __Feature};
 }
 
@@ -147,6 +150,9 @@ pub mod simd {
     pub use coresimd::simd::*;
 }
 
-#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
+#[cfg(all(target_os = "linux",
+          any(target_arch = "arm",
+              target_arch = "aarch64",
+              target_arch = "powerpc64")))]
 #[macro_use]
 mod runtime;