travis: update hyperscan to 4.2.0

.travis.yml

@@ -36,22 +36,18 @@ before_install:
   - perl -pi -e 's@/usr/lib/valgrind@/tmp/lib/valgrind@g;' /tmp/lib/valgrind/*-lin /tmp/bin/valgrind.bin
 
   # hyperscan and its dependencies
-  - wget -O 'hyperscan-4.1.0.tar.gz' 'https://github.com/01org/hyperscan/archive/v4.1.0.tar.gz'
-  - echo 'b8de3f59c2bd1a8765a5aca5dfdd062766cef67218aedf63df2c92766524b3c1  hyperscan-4.1.0.tar.gz' | sha256sum -c -
-  - tar -xf 'hyperscan-4.1.0.tar.gz'
+  - wget -O 'hyperscan-4.2.0.tar.gz' 'https://github.com/01org/hyperscan/archive/v4.2.0.tar.gz'
+  - echo 'd06d8f31a62e5d2903a8ccf07696e02cadf4de2024dc3b558d410d913c81dbef  hyperscan-4.2.0.tar.gz' | sha256sum -c -
+  - tar -xf 'hyperscan-4.2.0.tar.gz'
   # boost
   - wget 'http://downloads.sourceforge.net/project/boost/boost/1.60.0/boost_1_60_0.tar.bz2'
   - echo '686affff989ac2488f79a97b9479efb9f2abae035b5ed4d8226de6857933fd3b  boost_1_60_0.tar.bz2' | sha256sum -c -
   - tar -xf boost_1_60_0.tar.bz2
-  - ln -s ../../boost_1_60_0/boost hyperscan-4.1.0/include/
-  # apply patches to hyperscan
-  - cd hyperscan-4.1.0
-  - patch -p1 -u < ../src/hyperscan-fix-linking.patch
-  - cd ..
+  - ln -s ../../boost_1_60_0/boost hyperscan-4.2.0/include/
   # build hyperscan
   - mkdir hyperscan-build
   - cd hyperscan-build
-  - cmake ../hyperscan-4.1.0 -DCMAKE_INSTALL_PREFIX=$(pwd)/../hyperscan-install/ -DBUILD_SHARED_LIBS=ON
+  - cmake ../hyperscan-4.2.0 -DCMAKE_INSTALL_PREFIX=$(pwd)/../hyperscan-install/ -DBUILD_SHARED_LIBS=ON
   - make -j 2
   - make install
   - cd ..