--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/debian-i686-w64-mingw32.cmake	Mon May 15 14:49:57 2023 +0300
@@ -0,0 +1,54 @@
+###
+### Based on example from https://www.qt.io/blog/standalone-boot2qt-/-yocto-sdk-cmake-toolchain
+### See also https://doc.qt.io/qt-6/configure-linux-device.html
+###
+cmake_minimum_required(VERSION 3.11)
+include_guard(GLOBAL)
+
+set(QT_BUILD_EXAMPLES OFF)
+set(QT_BUILD_TESTS OFF)
+
+set(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR x86)
+set(MINGW_NAME i686-w64-mingw32)
+set(QT_HOST_PATH /usr/lib/x86_64-linux-gnu/cmake/)
+set(MINGW_TOOL_PREFIX ${MINGW_NAME}-)
+
+set(CMAKE_C_COMPILER ${MINGW_TOOL_PREFIX}gcc)
+set(CMAKE_CXX_COMPILER ${MINGW_TOOL_PREFIX}g++)
+
+set(CMAKE_PREFIX_PATH /usr/${MINGW_NAME})
+set(CMAKE_PROGRAM_PATH /usr/${MINGW_NAME}/bin)
+
+
+set(MINGW_COMPILER_FLAGS "-fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security")
+set(MINGW_COMPILER_FLAGS_RELEASE "-O2 -pipe -g")
+set(MINGW_LINKER_FLAGS "")
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+
+include(CMakeInitializeConfigs)
+
+function(cmake_initialize_per_config_variable _PREFIX _DOCSTRING)
+  if (_PREFIX MATCHES "CMAKE_(C|CXX|ASM)_FLAGS")
+    set(CMAKE_${CMAKE_MATCH_1}_FLAGS_INIT "${MINGW_COMPILER_FLAGS}")
+
+    foreach (config DEBUG RELEASE MINSIZEREL RELWITHDEBINFO)
+      if (DEFINED MINGW_COMPILER_FLAGS_${config})
+        set(CMAKE_${CMAKE_MATCH_1}_FLAGS_${config}_INIT "${MINGW_COMPILER_FLAGS_${config}}")
+      endif()
+    endforeach()
+  endif()
+
+  if (_PREFIX MATCHES "CMAKE_(SHARED|MODULE|EXE)_LINKER_FLAGS")
+    foreach (config SHARED MODULE EXE)
+      set(CMAKE_${config}_LINKER_FLAGS_INIT "${MINGW_LINKER_FLAGS}")
+    endforeach()
+  endif()
+
+  _cmake_initialize_per_config_variable(${ARGV})
+endfunction()