update format and type converting warning. #23

	name: Build MinGW

	on:
	push:
	branches:
	- master

	pull_request:
	branches:
	- master

	jobs:
	build-mingw:
	if: >-
	! contains(toJSON(github.event.commits.*.message), '[skip ci]') &&
	! contains(toJSON(github.event.commits.*.message), '[skip github]')

	runs-on: ${{matrix.os}}

	defaults:
	run:
	shell: msys2 {0}

	strategy:
	fail-fast: false

	matrix:
	os: [ windows-latest ]
	build_type: [ Release ]
	config:
	- msystem: "MINGW64"
	install: >-
	git mingw-w64-x86_64-cmake
	mingw-w64-x86_64-gcc
	mingw-w64-x86_64-ninja

	name: "On ${{matrix.os}} ${{matrix.config.msystem}} ${{matrix.build_type}}"

	env:
	CMAKE_GENERATOR: 'Ninja'

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- uses: msys2/setup-msys2@v2
	with:
	update: true
	msystem: ${{matrix.config.msystem}}
	install: ${{matrix.config.install}}

	- name: Set output
	id: strings
	shell: bash
	run: \|
	echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"

	- name: Configure
	run: >-
	cmake -B "${{ steps.strings.outputs.build-output-dir }}"
	-DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
	-S "${{ github.workspace }}"

	- name: Build
	run: >-
	cmake --build "${{ steps.strings.outputs.build-output-dir }}"
	--config ${{ matrix.build_type }}

	- name: Test
	working-directory: "${{ steps.strings.outputs.build-output-dir }}"
	run: ctest --output-on-failure --build-config ${{ matrix.build_type }}

Provide feedback