Configure travis for brew / cmake compilation instead of downloading the SDK

.travis.yml

@@ -3,9 +3,6 @@ xcode_project: linphone.xcodeproj
 xcode_scheme: linphone
 xcode_sdk: iphonesimulator8.1
 
-git:
-  submodules: false
-
 branches:
   only:
     - master
@@ -17,12 +14,23 @@ env:
         - KIF_SCREENSHOTS=Screens
         - secure: "JPPcWdmNIJiR3YcIwe0LRYce6qDdsiagO+eKKAp7eVk/wD9UHbz96Ms2FFkXxPhRJB1PA6Pf8FpAzIL2YRiJL9jRtKHSvtdF1cSto+57XyBkCsw7PkMVUIxp7fg6Wiwn3H3tucF8jisIkv/Pn7R+9EqePkZSqqu3+ig5AX9ApQ4="
 
+before_install:
+    - brew update
+    - brew install autoconf automake pkg-config doxygen nasm gettext wget yasm optipng imagemagick coreutils intltool
+    - brew outdated cmake || brew upgrade cmake
+    - brew link gettext --force
+    - brew tap Gui13/linphone
+    - brew install antlr3.2
+    - wget --no-check-certificate https://raw.github.com/yuvi/gas-preprocessor/master/gas-preprocessor.pl
+    - chmod +x gas-preprocessor.pl
+    - sudo mv gas-preprocessor.pl /usr/local/bin
+    - sudo ln -s /usr/local/bin/glibtoolize /usr/local/bin/libtoolize
+    - sudo ln -s /usr/bin/strings /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/strings
+    - git submodule update --init --recursive
+
 install: 
-    - cd submodules/build 
-    - make download-sdk
-    - cd ../..
-    - git submodule update --init Classes/KIF
-    - git submodule update --init --recursive submodules/linphone
+    - ./prepare.py all
+    - make
     - mkdir -p Screens
     - export KIF_SCREENSHOTS=`pwd`/Screens