Travis: Remove MinGW builds

MinGW builds in Travis have been disabled for a while now, and some
of the upcoming patches will break cross compilation even further.

.ci/before_script.sh

@@ -19,10 +19,6 @@ if [[ -n "${LLVM_SYMBOLIZER}" ]] && [[ ! $(type -P "${LLVM_SYMBOLIZER}") ]]; the
   echo "\$LLVM_SYMBOLIZER: '${LLVM_SYMBOLIZER}' is not executable."
   exit 1
 fi
-if [ "${BUILD_32BIT}" = ON ] && [ "${BUILD_MINGW}" = ON ]; then
-  >&2 echo "32-bit MinGW builds not supported."
-  exit 1
-fi
 
 if [[ "${TRAVIS_OS_NAME}" == osx ]]; then
   # Adds user to a dummy group.

.ci/common/build.sh

@@ -2,9 +2,6 @@ build_deps() {
   if [[ "${BUILD_32BIT}" == ON ]]; then
     DEPS_CMAKE_FLAGS="${DEPS_CMAKE_FLAGS} ${CMAKE_FLAGS_32BIT}"
   fi
-  if [[ "${BUILD_MINGW}" == ON ]]; then
-    DEPS_CMAKE_FLAGS="${DEPS_CMAKE_FLAGS} ${CMAKE_FLAGS_MINGW}"
-  fi
   if [[ "${FUNCTIONALTEST}" == "functionaltest-lua" ]]; then
     DEPS_CMAKE_FLAGS="${DEPS_CMAKE_FLAGS} -DUSE_BUNDLED_LUA=ON"
   fi
@@ -47,9 +44,6 @@ build_nvim() {
   if [[ "${BUILD_32BIT}" == ON ]]; then
     CMAKE_FLAGS="${CMAKE_FLAGS} ${CMAKE_FLAGS_32BIT}"
   fi
-  if [[ "${BUILD_MINGW}" == ON ]]; then
-    CMAKE_FLAGS="${CMAKE_FLAGS} ${CMAKE_FLAGS_MINGW}"
-  fi
 
   mkdir -p "${BUILD_DIR}"
   cd "${BUILD_DIR}"

.ci/install.sh

@@ -10,13 +10,6 @@ fi
 if [[ "${TRAVIS_OS_NAME}" == osx ]]; then
   brew install gettext
   brew reinstall -s libtool
-elif [[ "${BUILD_MINGW}" == ON ]]; then
-  # TODO: When Travis gets a recent version of Mingw-w64 use packages:
-  # binutils-mingw-w64-i686 gcc-mingw-w64-i686 g++-mingw-w64-i686 mingw-w64-dev mingw-w64-tools
-
-  echo "Downloading MinGW..."
-  curl -sSL "https://github.com/neovim/deps/raw/master/opt/i686-w64-mingw32-gcc-4.8.0-linux64_rubenvb.tar.xz" \
-    | tar xJf - -C "${HOME}/.local"
 fi
 
 # Use default CC to avoid compilation problems when installing Python modules.

.ci/run_tests.sh

@@ -3,14 +3,6 @@
 set -e
 set -o pipefail
 
-# TODO: Stop here for MinGW builds,
-#       building Neovim doesn't work yet.
-if [[ "${BUILD_MINGW}" == ON ]]; then
-  echo "Neovim doesn't build on MinGW yet; stopping build."
-  touch "${SUCCESS_MARKER}"
-  exit
-fi
-
 CI_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "${CI_DIR}/common/build.sh"
 source "${CI_DIR}/common/test.sh"

.travis.yml

@@ -8,8 +8,8 @@ env:
     # Travis has 1.5 virtual cores according to
     # http://docs.travis-ci.com/user/speeding-up-the-build/#Paralellizing-your-build-on-one-VM
     - MAKE_CMD="make -j2"
-    # Update PATH for pip and MinGW.
+    # Update PATH for pip.
-    - PATH="$(python2.7 -c 'import site; print(site.getuserbase())')/bin:$HOME/.local/mingw32/bin:$PATH"
+    - PATH="$(python2.7 -c 'import site; print(site.getuserbase())')/bin:$PATH"
     # LLVM symbolizer path.
     - LLVM_SYMBOLIZER="$(which llvm-symbolizer-3.4)"
     # Build directory for Neovim.
@@ -34,8 +34,6 @@ env:
     - CMAKE_FLAGS_32BIT="-DCMAKE_SYSTEM_LIBRARY_PATH=/lib32:/usr/lib32:/usr/local/lib32
                          -DCMAKE_IGNORE_PATH=/lib:/usr/lib:/usr/local/lib
                          -DCMAKE_TOOLCHAIN_FILE=$TRAVIS_BUILD_DIR/cmake/i386-linux-gnu.toolchain.cmake"
-    # Additional CMake flags for MinGW builds.
-    - CMAKE_FLAGS_MINGW="-DCMAKE_TOOLCHAIN_FILE=$TRAVIS_BUILD_DIR/cmake/mingw32-w64-cross-travis.toolchain.cmake"
     # Environment variables for Clang sanitizers.
     - ASAN_OPTIONS="detect_leaks=1:check_initialization_order=1:log_path=$LOG_DIR/asan"
     - ASAN_SYMBOLIZER_PATH="$LLVM_SYMBOLIZER"
@@ -81,8 +79,6 @@ matrix:
       compiler: clang
     - os: osx
       compiler: gcc-4.9
-    - os: linux
-      env: BUILD_MINGW=ON
   fast_finish: true
 
 before_install: .ci/before_install.sh