[tor-commits] [tor/maint-0.3.1] Install optional dependencies during Travis CI builds.

[nickm@xxxxxxxxxxxxxx]

commit c84d394176c252f31c0d14ca62e7e0940a2202f8
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date:   Mon Jul 24 18:53:18 2017 +0000

    Install optional dependencies during Travis CI builds.
    
    (cherry picked from commit 1bb00fb812c0df7a574ed62e9f53b0e8192c7d04)
---
 .travis.yml | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 6ce2b87a9..c8b9382f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,9 +34,15 @@ sudo: false
 addons:
   apt:
     packages:
+      ## Required dependencies
       - libevent-dev
       - libseccomp2
       - zlib1g-dev
+      ## Optional dependencies
+      - liblzma-dev
+      - libscrypt-dev
+      ## zstd doesn't exist in Ubuntu Trusty
+      #- libzstd
 
 ## The build matrix in the following two stanzas expands into four builds (per OS):
 ##
@@ -65,10 +71,14 @@ before_install:
   - curl -Ssf -o rustup.sh https://sh.rustup.rs
 
 install:
-  ## If we're on OSX use brew to install dependencies (for Linux, see the "apt:" section above)
+  ## If we're on OSX use brew to install required dependencies (for Linux, see the "apt:" section above)
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then { brew outdated openssl    || brew upgrade openssl;    }; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then { brew outdated libevent   || brew upgrade libevent;   }; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then { brew outdated pkg-config || brew upgrade pkg-config; }; fi
+  ## If we're on OSX also install the optional dependencies
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then { brew outdated xz         || brew upgrade xz;         }; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then { brew outdated libscrypt  || brew upgrade libscrypt;  }; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then { brew outdated zstd       || brew upgrade zstd;       }; fi
   ## Install the nightly channels of rustc and cargo and setup our toolchain environment
   - sh rustup.sh -y --default-toolchain nightly
   - source $HOME/.cargo/env



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