Migrate to container-based travis infrastructure.

- Moves travis package installations to addons.apt.packages.
- Disables sudo in travis configuration.
- Substitutes nasm for yasm in travis builds since yasm is not available
  on travis.

.travis-install.sh

@@ -1,25 +1,10 @@
 #!/bin/sh
 set -ev
 
-if [ -n "$USE_NEW_GCC" ]; then
-  sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y > /dev/null
-  sudo apt-get update -qq
-  sudo apt-get install -qq gcc-4.8
-  export CC=gcc-4.8
-else
-  sudo apt-get update -qq
-fi
-
 if [ -n "$VALGRIND_TEST" ]; then
-  sudo apt-get install -qq valgrind
-  sudo apt-get install -qq p7zip-full
   wget http://ultravideo.cs.tut.fi/ffmpeg-release-32bit-static.tar.xz
   7z x ffmpeg-release-32bit-static.tar.xz
   7z x ffmpeg-release-32bit-static.tar
   chmod +x ./ffmpeg-2.6.3-32bit-static/ffmpeg
   ./ffmpeg-2.6.3-32bit-static/ffmpeg -f lavfi -i "mandelbrot=size=${TEST_DIM}:end_pts=10" -vframes $TEST_FRAMES -pix_fmt yuv420p mandelbrot_${TEST_DIM}.yuv
 fi
-
-if [ -n "$USE_YASM" ]; then
-  sudo apt-get install -qq yasm
-fi

.travis-script.sh

@@ -3,11 +3,11 @@ set -ev
 
 if [ -n "$VALGRIND_TEST" ]; then
   cd src
-  make debug
+  make -e debug
   valgrind --leak-check=full --error-exitcode=1 ./kvazaar_debug -i ../mandelbrot_${TEST_DIM}.yuv --input-res=${TEST_DIM} -o /dev/null $VALGRIND_TEST
 elif [ -n "$EXPECTED_STATUS" ]; then
   cd src
-  make
+  make -e
   set +e
   ./kvazaar $PARAMS
   EXIT_STATUS=$?
@@ -15,6 +15,6 @@ elif [ -n "$EXPECTED_STATUS" ]; then
   [ "$EXIT_STATUS" = "$EXPECTED_STATUS" ]
 else
   cd src
-  make
-  make tests
+  make -e
+  make -e tests
 fi

.travis.yml

@@ -1,20 +1,13 @@
 language: c
 
-#os:
-# - linux
-# - osx
-
-compiler:
-  - gcc
-
 env:
   global:
-  - USE_YASM=1
-  - TEST_FRAMES=10
-  - TEST_DIM=264x130
+  - AS=nasm
   - KVZ_DISABLE_AVX2=1
+  - TEST_DIM=264x130
+  - TEST_FRAMES=10
 
-sudo: required
+sudo: false
 
 matrix:
   fast_finish: true
@@ -22,10 +15,11 @@ matrix:
   include:
     - compiler: clang
       env: KVZ_DISABLE_AVX2=""
-    - env: USE_NEW_GCC=1 KVZ_DISABLE_AVX2=""
+    - compiler: gcc-4.8
+      env: KVZ_DISABLE_AVX2=""
     
     # These valgrind tests are slow, so they are performed with the minimum
-    # number of small frames and fast settings. 
+    # number of small frames and fast settings.
     
     # Tests for owf, wpp and tiles. There is lots of separate branches of
     # code related to owf=0 and owf!=0, which is why all permutations are
@@ -56,9 +50,17 @@ matrix:
     # Tests trying to use invalid input dimensions
     - env: EXPECTED_STATUS=1 PARAMS="-i kvazaar --input-res=1x65 -o /dev/null"
 
-before_install:
-  # Work around a weird bug in Travis-ci, where compiler is set wrong.
-  - if [ "$CC" = "[gcc]" ]; then export CC=gcc; gcc --version; fi
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+
+    packages:
+    - gcc
+    - gcc-4.8
+    - nasm
+    - p7zip-full
+    - valgrind
 
 install:
   - source .travis-install.sh