Switch to Qt 5.15.0 and drop CI support for MinGW on Linux

Cross-builds with MinGW on Linux are dropped mainly because of build
issues and because MinGW support bloats the resulting Docker image. We
have CI jobs running on Windows with MSVC and Clang-cl which should be
sufficient.

Change-Id: Iac4e0eaf1270844836697bebf52f9c056457caaf
Reviewed-by: Richard Weickelt <richard@weickelt.de>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 2 insertions, 106 deletions

diff --git a/docker/bionic/Dockerfile b/docker/bionic/Dockerfile
index 204c27606..d81714329 100644
--- a/docker/bionic/Dockerfile
+++ b/docker/bionic/Dockerfile
@@ -1,89 +1,5 @@
 #
-# Downloads and builds Qt from source. We do it in a
-# separate stage to keep the number of dependencies low in
-# the final Docker image.
-#
-FROM ubuntu:bionic as build-qt-mingw32_w64
-ARG QT_VERSION
-
-RUN apt-get update -qq && \
-    apt-get install -qq -y --no-install-recommends \
-        build-essential \
-        ca-certificates \
-        libclang-3.9-dev \
-        libgl1-mesa-dev \
-        mingw-w64 \
-        python \
-        xz-utils \
-        wget
-
-ENV LLVM_INSTALL_DIR=/usr/lib/llvm-3.9
-
-RUN mkdir -p /qt/source && \
-    wget -nv --continue --tries=20 --waitretry=10 --retry-connrefused \
-        --no-dns-cache --timeout 300 -qO- \
-        https://download.qt.io/official_releases/qt/${QT_VERSION%??}/${QT_VERSION}/single/qt-everywhere-src-${QT_VERSION}.tar.xz \
-        | tar --strip-components=1 -C /qt/source -xJf-
-
-RUN mkdir -p qt/build && \
-    cd qt/build && \
-    ../source/configure \
-        -prefix /opt/Qt/${QT_VERSION}/mingw32_w64 \
-        -release \
-        -shared \
-        -opensource \
-        -confirm-license \
-        -nomake examples \
-        -nomake tests \
-        -xplatform win32-g++ \
-        -opengl desktop \
-        -device-option CROSS_COMPILE=/usr/bin/x86_64-w64-mingw32- \
-        -qt-sqlite -qt-libpng \
-        -no-cups -no-dbus -no-pch \
-        -no-feature-accessibility \
-        -skip qtactiveqt \
-        -skip qt3d \
-        -skip qtcanvas3d \
-        -skip qtcharts \
-        -skip qtconnectivity \
-        -skip qtdatavis3d \
-        -skip qtdeclarative \
-        -skip qtdoc \
-        -skip qtgamepad \
-        -skip qtgraphicaleffects \
-        -skip qtimageformats \
-        -skip qtlocation \
-        -skip qtmultimedia \
-        -skip qtnetworkauth \
-        -skip qtquickcontrols \
-        -skip qtquickcontrols2 \
-        -skip qtpurchasing \
-        -skip qtremoteobjects \
-        -skip qtscxml \
-        -skip qtsensors \
-        -skip qtserialbus \
-        -skip qtserialport \
-        -skip qtspeech \
-        -skip qtsvg \
-        -skip qttranslations \
-        -skip qtwayland \
-        -skip qtvirtualkeyboard \
-        -skip qtwebchannel \
-        -skip qtwebengine \
-        -skip qtwebsockets \
-        -skip qtwebview \
-        -skip qtwinextras \
-        -skip qtxmlpatterns \
-        -skip qtx11extras
-
-# Build and transform stdout into . to reduce the noise
-RUN cd qt/build && \
-    make -j $(nproc --all) | stdbuf -o0 tr -cd '\n' | stdbuf -o0 tr '\n' '.' && \
-    make install
-
-#
-# Install Qt and Qbs for Linux and combine that with Qt for Windows from the
-# previous stage
+# Install Qt and Qbs for Linux
 #
 FROM ubuntu:bionic
 LABEL Description="Ubuntu development environment for Qbs with Qt and various dependencies for testing Qbs modules and functionality"
@@ -130,7 +46,6 @@ RUN apt-get update -qq && \
         git \
         help2man \
         icoutils \
-        libclang-3.9-dev \
         libdbus-1-3 \
         libfreetype6 \
         libfontconfig1 \
@@ -171,21 +86,6 @@ RUN ./install-qt.sh --version ${QT_VERSION} qtbase qtdeclarative qtscript qttool
 ENV PATH=/opt/Qt/${QT_VERSION}/gcc_64/bin:/opt/Qt/Tools/QtCreator/bin:${PATH}
 
 
-#
-# Install Qt installation from build stage
-#
-COPY --from=build-qt-mingw32_w64 /opt/Qt/${QT_VERSION}/mingw32_w64 /opt/Qt/${QT_VERSION}/mingw32_w64
-
-#
-# Install mingw toolchain to cross build for Windows and select
-# POSIX API to make use of threading support in the stl. That
-# is required by Qbs.
-#
-RUN apt-get install -qq -y --no-install-recommends \
-        mingw-w64 && \
-    printf "1\n" | update-alternatives --config x86_64-w64-mingw32-g++
-
-
 # Configure Qbs
 USER $USER_NAME
 RUN qbs-setup-toolchains /usr/bin/g++ gcc && \
@@ -194,11 +94,7 @@ RUN qbs-setup-toolchains /usr/bin/g++ gcc && \
     qbs config profiles.qt-gcc_64.baseProfile gcc && \
     qbs-setup-qt /opt/Qt/${QT_VERSION}/gcc_64/bin/qmake qt-clang_64 && \
     qbs config profiles.qt-clang_64.baseProfile clang && \
-    qbs config defaultProfile qt-gcc_64 && \
-    \
-    qbs-setup-toolchains /usr/bin/x86_64-w64-mingw32-g++ mingw && \
-    qbs-setup-qt /opt/Qt/${QT_VERSION}/mingw32_w64/bin/qmake qt-mingw32_w64 && \
-    qbs config profiles.qt-mingw32_w64.baseProfile mingw
+    qbs config defaultProfile qt-gcc_64
 
 # Switch back to root user for the entrypoint script.
 USER root