Add more Linux-based syscall tables

* Add syscall tables to most remaining arches in `src/unix/notbsd`
* Add aarch64/arm musl to CI
* Update dependencies

.travis.yml

@@ -25,7 +25,7 @@ matrix:
     # 1.0.0 compat
     - env: TARGET=x86_64-unknown-linux-gnu NO_ADD=1
       rust: 1.0.0
-      script: cargo build
+      script: rm -f Cargo.lock && cargo build
       install:
 
     # build documentation
@@ -49,7 +49,10 @@ matrix:
     - env: TARGET=x86_64-unknown-linux-musl
     - env: TARGET=i686-unknown-linux-musl
     - env: TARGET=arm-unknown-linux-gnueabihf
+    - env: TARGET=arm-unknown-linux-musleabihf
     - env: TARGET=aarch64-unknown-linux-gnu
+    - env: TARGET=aarch64-unknown-linux-musl
+      rust: beta
     - os: osx
       osx_image: xcode8.2
       env: TARGET=i386-apple-ios

ci/docker/aarch64-unknown-linux-musl/Dockerfile

@@ -18,7 +18,10 @@ RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | \
     make ARCH=arm64 prefix=/musl-aarch64 install -j4 && \
     cd .. && \
     rm -rf kernel-headers-3.12.6-5
+
+# FIXME: shouldn't need the `-lgcc` here, shouldn't that be in libstd?
 ENV PATH=$PATH:/musl-aarch64/bin:/rust/bin \
     CC_aarch64_unknown_linux_musl=musl-gcc \
+    RUSTFLAGS='-Clink-args=-lgcc' \
     CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER=musl-gcc \
     CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_RUNNER="qemu-aarch64 -L /musl-aarch64"

ci/docker/arm-unknown-linux-musleabihf/Dockerfile

@@ -0,0 +1,25 @@
+FROM ubuntu:17.10
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  gcc make libc6-dev git curl ca-certificates \
+  gcc-arm-linux-gnueabihf qemu-user
+
+RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | tar xzf -
+WORKDIR /musl-1.1.16
+RUN CC=arm-linux-gnueabihf-gcc \
+    CFLAGS="-march=armv6 -marm" \
+    ./configure --prefix=/musl-arm --enable-wrapper=yes
+RUN make install -j4
+
+# Install linux kernel headers sanitized for use with musl
+RUN \
+    curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
+    tar xzf - && \
+    cd kernel-headers-3.12.6-5 && \
+    make ARCH=arm prefix=/musl-arm install -j4 && \
+    cd .. && \
+    rm -rf kernel-headers-3.12.6-5
+ENV PATH=$PATH:/musl-arm/bin:/rust/bin \
+    CC_arm_unknown_linux_musleabihf=musl-gcc \
+    CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_LINKER=musl-gcc \
+    CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_RUNNER="qemu-arm -L /musl-arm"

libc-test/Cargo.toml

@@ -8,7 +8,7 @@ build = "build.rs"
 libc = { path = ".." }
 
 [build-dependencies]
-ctest = { git = 'https://github.com/alexcrichton/ctest', branch = 'long' }
+ctest = "0.1.6"
 
 [[test]]
 name = "main"