windows-x64: Migrate to MXE.

windows-x64/Dockerfile

@@ -1,12 +1,61 @@
-FROM steeve/cross-compiler:base
-MAINTAINER Steeve Morin "steeve.morin@gmail.com"
+FROM thewtex/cross-compiler-base
+MAINTAINER Matt McCormick "matt.mccormick@kitware.com"
 
-RUN apt-get update && apt-get -y install mingw-w64
+# WINE is used as an emulator for try_run and tests with CMake.
+# Other dependencies are from the listed MXE requirements:
+#   http://mxe.cc/#requirements
+# 'cmake' is omitted because it is installed from source in the base image
+RUN apt-get update && apt-get -y install \
+  autoconf \
+  automake \
+  autopoint \
+  bash \
+  bison \
+  bzip2 \
+  flex \
+  gettext \
+  git \
+  g++ \
+  g++-multilib \
+  gperf \
+  intltool \
+  libffi-dev \
+  libtool-bin \
+  libltdl-dev \
+  libssl-dev \
+  libxml-parser-perl \
+  libc6-dev-i386 \
+  make \
+  openssl \
+  patch \
+  perl \
+  pkg-config \
+  python \
+  ruby \
+  scons \
+  sed \
+  unzip \
+  wget \
+  wine \
+  xz-utils
+# Set up wine
+RUN dpkg --add-architecture i386 && \
+  apt-get update && \
+  apt-get install -y wine32
+ENV WINEARCH win64
+RUN wine hostname
 
-ENV CROSS_TRIPLE x86_64-w64-mingw32
-ENV CROSS_ROOT /usr/${CROSS_TRIPLE}
-ENV PATH ${PATH}:${CROSS_ROOT}/bin
-ENV LD_LIBRARY_PATH ${CROSS_ROOT}/lib:${LD_LIBRARY_PATH}
+WORKDIR /usr/src
+# mxe master 2015-03-12, prior to mingw-w64 update, based on GCC 4
+RUN git clone https://github.com/mxe/mxe.git && \
+  cd mxe && \
+  git checkout 149afe17a43c50c234dcadeb4a69e61e272a747a
+WORKDIR /usr/src/mxe
+COPY settings.mk /usr/src/mxe/
+RUN make -j$(nproc)
 
-RUN cd /usr/bin && \
-    ln -s ${CROSS_TRIPLE}-gcc ${CROSS_TRIPLE}-cc
+ENV PATH ${PATH}:/usr/src/mxe/usr/bin
+ENV CMAKE_TOOLCHAIN_FILE /usr/src/mxe/usr/x86_64-w64-mingw32.static/share/cmake/mxe-conf.cmake
+RUN echo 'set(CMAKE_CROSSCOMPILING_EMULATOR "/usr/bin/wine")' >> ${CMAKE_TOOLCHAIN_FILE}
+
+WORKDIR /usr/src