CI: Do not install gettext. Disable NLS on OSX

.travis.yml

@@ -6,7 +6,7 @@ matrix:
       dist: trusty
       sudo: required
       compiler: gcc
-      env: COVERAGE=1 CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_VIDEO=ON -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_BUILD_UNIT_TESTS=ON -DBUILD_WITH_COVERAGE=ON" # All enabled + Coverage
+      env: COVERAGE=1 CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_VIDEO=ON -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_BUILD_UNIT_TESTS=ON -DBUILD_WITH_COVERAGE=ON"
 
     - os: linux
       dist: trusty
@@ -20,18 +20,12 @@ matrix:
       dist: trusty
       sudo: required
       compiler: clang
+      env: CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_VIDEO=ON -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_BUILD_UNIT_TESTS=ON"
 
     - os: osx
       osx_image: xcode9
       compiler: clang
-      env: PYTHON=3.6.2 CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_VIDEO=ON -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_BUILD_UNIT_TESTS=ON" # All enabled
+      env: PYTHON=3.6.2 CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_VIDEO=ON -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_BUILD_UNIT_TESTS=ON -DEXIV2_ENABLE_NLS=OFF"
-
-env:
-    #- CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release" # Default
-    #- CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=OFF"   # Default (Debug mode + static libs)
-    - CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_VIDEO=ON -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_BUILD_UNIT_TESTS=ON" # All enabled
-    #- CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_XMP=OFF -DEXIV2_ENABLE_NLS=OFF -DEXIV2_ENABLE_LENSDATA=OFF" # All disabled
-    #- CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Release -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_ENABLE_CURL=OFF -DEXIV2_ENABLE_SSH=OFF" # WebReady without SSH nor CURL
 
 install: ./ci/install.sh
 script:  ./ci/run.sh

ci/install.sh

@@ -4,8 +4,7 @@ set -x # Prints every command
 
 if [[ "$(uname -s)" == 'Linux' ]]; then
     sudo apt-get update
-    sudo apt-get install cmake zlib1g-dev libssh-dev gettext
+    sudo apt-get install cmake zlib1g-dev libssh-dev python-pip libxml2-utils
-    sudo apt-get install python-pip libxml2-utils
     if [ -n "$WITH_VALGRIND" ]; then
         sudo apt-get install valgrind
     fi
@@ -14,7 +13,7 @@ if [[ "$(uname -s)" == 'Linux' ]]; then
     source conan/bin/activate
 else
     brew update
-    brew install gettext md5sha1sum pyenv-virtualenv
+    brew install md5sha1sum pyenv-virtualenv
     export CFLAGS="-I/usr/local/opt/openssl/include $CFLAGS"
     export LDFLAGS="-L/usr/local/opt/openssl/lib $LDFLAGS"
     pyenv install $PYTHON