CI:azure:build_mingw.sh: add build file for mingw on windows

New flow for mingw builds on windows operating system is implemented by
installing the nedeed dependencies and build libiio with the bash from
msys2 that supports also mingw64.

The dependencies will be installed with pacman.

Signed-off-by: Andreea Andrisan <[email protected]>

CI/azure/build_mingw.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/bash.exe
+set -xe
+
+init_env() {
+    export ARCH=x86_64
+    export MINGW_VERSION=mingw64
+    export CC=/${MINGW_VERSION}/bin/${ARCH}-w64-mingw32-gcc.exe
+    export CXX=/${MINGW_VERSION}/bin/${ARCH}-w64-mingw32-g++.exe
+    export CMAKE="/$MINGW_VERSION/bin/cmake"
+
+}
+
+install_pacman_deps() {
+    WINDEPS="mingw-w64-x86_64-libserialport \
+    mingw-w64-x86_64-libusb \
+    mingw-w64-x86_64-zstd \
+    mingw-w64-x86_64-libxml2 \
+    mingw-w64-x86_64-python3 \
+    mingw-w64-x86_64-cmake \
+    mingw-w64-x86_64-gcc \
+    cmake 
+    "
+    pacman -S --noconfirm --needed $WINDEPS
+}
+
+build_libiio() {
+    $CMAKE -G "MinGW Makefiles" -DPYTHON_EXECUTABLE:FILEPATH=$(python -c "import os, sys; print(os.path.dirname(sys.executable) + '\python.exe')") \
+        -DCMAKE_SYSTEM_PREFIX_PATH="C:" -Werror=dev -DCOMPILE_WARNING_AS_ERROR=ON \
+        -DENABLE_IPV6=ON -DWITH_USB_BACKEND=ON -DWITH_SERIAL_BACKEND=ON -DPYTHON_BINDINGS=ON -DCPP_BINDINGS=ON \
+        -DCSHARP_BINDINGS:BOOL=OFF ..
+    $CMAKE --build . --config Release
+}
+
+init_env
+$@