Script for building the Qt 5.8.0 dynamic layouts example in MSYS2, with static linking. Posted here for StackOverflow question.

build.sh

set -ue

pacman -S --needed "${MINGW_PACKAGE_PREFIX}-qt5-static"

if [ ! -d qt ]; then
  wget https://download.qt.io/official_releases/qt/5.8/5.8.0/submodules/qtbase-opensource-src-5.8.0.tar.xz -O qt.tar.xz
  tar -xf qt.tar.xz
  mv qtbase-opensource-src-5.8.0 qt
fi

qtbase="${MINGW_PREFIX}/qt5-static"

rm -r build
mkdir build
cd build
mkdir bin moc obj

cat > obj/plugins.cpp <<EOF
#include <QtPlugin>
Q_IMPORT_PLUGIN (QWindowsIntegrationPlugin);
EOF

echo "compiling reference to plugins"
g++ \
  -I $qtbase/include \
  -I $qtbase/include/QtCore \
  -c obj/plugins.cpp \
  -o obj/plugins.o

CFLAGS="
-mwindows
-I.
-I$qtbase/include/
-I$qtbase/include/QtWidgets
-I$qtbase/include/QtGui
-I$qtbase/include/QtCore
"

LDFLAGS="-L$qtbase/lib -L$qtbase/share/qt5/plugins/platforms -Wl,-gc-sections"

LIBS="
-lqwindows
-lQt5Widgets -lQt5Gui -lQt5ThemeSupport -lQt5FontDatabaseSupport
-lQt5EventDispatcherSupport -lQt5Core
-lqtpcre -lqtlibpng -lqtharfbuzz  -lqtfreetype
-lole32 -luuid -lwinmm -lws2_32 -loleaut32 -limm32 -ldwmapi -lmpr -lwinmm -lopengl32
-luxtheme
"

echo "compiling dynamiclayouts"
$qtbase/bin/moc ../qt/examples/widgets/layouts/dynamiclayouts/dialog.h > moc/dynamiclayouts.cpp
g++ -mwindows $CFLAGS $LDFLAGS \
  ../qt/examples/widgets/layouts/dynamiclayouts/dialog.cpp \
  ../qt/examples/widgets/layouts/dynamiclayouts/main.cpp \
  moc/dynamiclayouts.cpp \
  obj/plugins.o \
  $LIBS -o bin/dynamiclayouts.exe