put meson-build script for windows (mingw64)

Signed-off-by: Vadim Lomovtsev <jelezny@gmail.com>

.gitignore

@@ -6,7 +6,7 @@ Makefile
 .idea
 .sqlite3
 gschemas.compiled
-windows-installer/win64-dist/
+windows-installer/win64-*/
 *.exe
 *.dll
 *.flatpak

build-meson-windows.sh

@@ -0,0 +1,124 @@
+#!/bin/bash
+
+set -eu
+
+PROJ_DIR=$PWD
+BUILD_DIR=$PROJ_DIR/build/meson
+DIST_DIR=$PROJ_DIR/windows-installer/win64-meson
+
+prepare()
+{
+    if [ -d ${PROJ_DIR}/plugins/windows-notification/yolort ]; then
+	echo "No need to re-download packages & yolort sources."
+    else
+        bash build-win64.sh --prepare
+    fi
+}
+
+configure()
+{
+    arg=${1:-"none"}
+    local cmd=""
+    if [ x"${arg}" == x"reconfig" ]; then
+	    cmd=--reconfigure
+    fi
+    mkdir -p $BUILD_DIR
+    meson setup ${cmd} --prefix "$DIST_DIR" \
+	    --buildtype=debug \
+	    -D crypto-backend=gnutls \
+	    $PROJ_DIR $BUILD_DIR
+}
+
+build()
+{
+    cd $BUILD_DIR && ninja
+    ninja install
+}
+
+clean()
+{
+    rm -rf $DIST_DIR $BUILD_DIR
+}
+
+help()
+{
+cat <<  EOF
+	Script to build Dino for windows using meson build-system.
+	By default it will be build using build directory
+	  $BUILD_DIR
+	and installed to
+	  $DIST_DIR
+
+	Usage: $0 [option]
+
+	--prepare, -p
+		install build dependencies. may be done once.
+
+	--configure, -c
+		configure build using meson.
+
+	--build, -b
+		invoked build.
+
+	--reconfig, -r
+		reconfigure project, if minor changes were
+		done tobuild config files but build has been
+		configured already.
+
+	--whipe, -w
+		remove build artifacts from $BUILD_DIR
+
+	--verbose, -v
+		verbose output enable.
+
+	--help, -h
+		print  this help message.
+
+EOF
+}
+
+# Main
+
+if [[ "$(uname)" != "MINGW64_NT"* ]]; then
+    fatal "This is not a MINGW64 environment!"
+fi
+
+if [[ $# == 0 ]]; then
+	prepare
+	configure
+	build
+
+	exit 0
+fi
+
+while [[ $# > 0 ]];
+do
+	case $1 in
+		--prepare|-p)
+			prepare
+			;;
+		--configure|-c)
+			configure
+			;;
+		--build|-b)
+			build
+			;;
+		--reconfig|-r)
+			configure reconfig
+			;;
+		--whipe|-w)
+			clean
+			;;
+		--verbose|-v)
+			set -xv
+			;;
+		--help|-h)
+			help
+			;;
+		*)
+			echo "Unkown option $1"
+			exit 1
+			;;
+	esac
+	shift
+done