Librespot for Raspberry Pi (and other Linux on ARM)

Uses alsa output, only needs libasound2 installed

.travis.yml

@@ -16,18 +16,49 @@ addons:
       - portaudio19-dev
 
 before_script:
-    - mkdir -p ~/.cargo
-    - echo '[target.armv7-unknown-linux-gnueabihf]' > ~/.cargo/config
-    - echo 'linker = "arm-linux-gnueabihf-gcc"' >> ~/.cargo/config
-    - rustup target add armv7-unknown-linux-gnueabihf
+  # get raspberry pi tools (cross compiler etc); use fixed rev, should be updated sometimes
+  # (if we would ignore rpi1 support, we could just use ubuntu's/debian's gcc-arm-linux-gnueabihf; with libc6-armhf-cross, libc6-dev-armhf-cross, etc.)
+  - mkdir pi-tools
+  - curl -L https://github.com/raspberrypi/tools/archive/648a6eeb1e3c2b40af4eb34d88941ee0edeb3e9a.tar.gz | tar xz --strip-components 1 -C pi-tools
+  - export PATH=$PWD/pi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/:$PATH
+  # create wrapper around gcc to point to rpi sysroot
+  - echo -e '#!/bin/bash' > pi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/gcc-sysroot
+  - echo -e "arm-linux-gnueabihf-gcc --sysroot $PWD/pi-tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/arm-bcm2708hardfp-linux-gnueabi/sysroot \"\$@\"" >> pi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/gcc-sysroot
+  - chmod +x pi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/gcc-sysroot
+  # get alsa lib and headers
+  - curl -OL http://mirrordirector.raspbian.org/raspbian/pool/main/a/alsa-lib/libasound2_1.0.25-4_armhf.deb
+  - ar p libasound2_1.0.25-4_armhf.deb data.tar.gz | tar -xz -C pi-tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/arm-bcm2708hardfp-linux-gnueabi/sysroot
+  - curl -OL http://mirrordirector.raspbian.org/raspbian/pool/main/a/alsa-lib/libasound2-dev_1.0.25-4_armhf.deb
+  - ar p libasound2-dev_1.0.25-4_armhf.deb data.tar.gz | tar -xz -C pi-tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/arm-bcm2708hardfp-linux-gnueabi/sysroot/
+  # i don't why this is neccessary
+  - ln -s ld-linux.so.3 pi-tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/arm-bcm2708hardfp-linux-gnueabi/sysroot/lib/ld-linux-armhf.so.3
+  # point cargo to use gcc wrapper as linker
+  - mkdir -p ~/.cargo
+  - echo -e '[target.arm-unknown-linux-gnueabihf]\nlinker = "gcc-sysroot"' > ~/.cargo/config
+  - rustup target add arm-unknown-linux-gnueabihf
 
 script:
     - cargo build --no-default-features
     - cargo build --no-default-features --features "with-tremor"
     - cargo build --no-default-features --features "portaudio-backend"
     - cargo build --no-default-features --features "pulseaudio-backend"
     - cargo build --no-default-features --features "alsa-backend"
-    - cargo build --no-default-features --target armv7-unknown-linux-gnueabihf
+
+    - cargo build --no-default-features --features "alsa-backend" --target arm-unknown-linux-gnueabihf --release
+
+before_deploy:
+  zip -j librespot-linux-armhf-raspberry_pi.zip target/arm-unknown-linux-gnueabihf/release/librespot
+
+deploy:
+  provider: releases
+  api_key:
+    secure: "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"
+  file: "librespot-linux-armhf-raspberry_pi.zip"
+  skip_cleanup: true
+  on:
+    condition: $TRAVIS_RUST_VERSION = stable
+    tags: true
+
 
 notifications:
     email: false