updated win mingw build via appyeyor CI

.gitattributes

@@ -0,0 +1,2 @@
+# Set the default behavior to unix line endings, required by perl code
+* text eol=lf

.github/dependabot.yml

@@ -0,0 +1,13 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+ # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/CI_build.yml

@@ -0,0 +1,106 @@
+name: CI_build
+
+on: [push, pull_request]
+
+jobs:
+
+  build_windows_msys2:
+
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        build_configuration: [Release, Debug]
+        build_platform: [x86_64, i686]
+
+    steps:
+    - name: Checkout repo
+      uses: actions/checkout@v4
+
+    - name: Make aspell exe
+      working-directory: .\
+      run: |
+        Write-host "${{ matrix.build_platform }}"
+        Write-host "${{ matrix.build_configuration }}"
+        $Env:Path = 'C:\msys64\usr\bin' + [IO.Path]::PathSeparator + $Env:Path
+        if ( $${{ matrix.build_platform == 'i686'}} ) {$Env:MSYSTEM = 'MINGW32'}
+        if ( $${{ matrix.build_platform == 'i686'}} ) {$Env:Path = 'C:\msys64\mingw32\bin' + [IO.Path]::PathSeparator + $Env:Path}
+        if ( $${{ matrix.build_platform == 'x86_64'}} ) {$Env:MSYSTEM = 'MINGW64'}
+        if ( $${{ matrix.build_platform == 'x86_64'}} ) {$Env:Path = 'C:\msys64\mingw64\bin' + [IO.Path]::PathSeparator + $Env:Path}
+        if ( $${{ matrix.build_configuration == 'Debug'}} ) {$Env:DEBUG = '1'}
+        bash -lc "pacman --noconfirm -Syuu"
+        bash -lc "pacman --noconfirm -Syuu"
+        if ( $${{ matrix.build_platform == 'i686'}} ) {bash -lc "pacman --noconfirm -S mingw-w64-i686-gcc mingw-w64-i686-make"}
+        if ( $${{ matrix.build_platform == 'x86_64'}} ) {bash -lc "pacman --noconfirm -S mingw-w64-x86_64-gcc mingw-w64-x86_64-make"}
+        Write-Output "Tools version:"
+        Write-Output (((gcc --version) | select-object -first 1) + " " + (gcc -dumpmachine))
+        Write-Output (mingw32-make --version) | select-object -first 1
+        Write-Output (sh --version) | select-object -first 1
+        cd auto
+        perl -I ./ mk-src.pl
+        cd ../win32
+        mingw32-make
+        mingw32-make prefix=./installation install
+
+    - name: Archive artifacts for ${{ matrix.build_platform}} / Release
+      if: matrix.build_configuration == 'Release'
+      uses: actions/upload-artifact@v4
+      with:
+          name: aspell_win.${{ matrix.build_platform}}.${{ matrix.build_configuration}}
+          path: aspell.exe
+
+
+  build_linux:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        build_platform: ["x86_64", i686]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Prepare generated files
+      working-directory: ./auto
+      run: |
+           perl -I ./ mk-src.pl
+
+    - name: Install packages via apt
+      run: |
+           sudo apt-get -qq update
+           sudo apt-get -qq install -y mingw-w64
+           (for alt in i686-w64-mingw32-g++ i686-w64-mingw32-gcc x86_64-w64-mingw32-g++ x86_64-w64-mingw32-gcc; do sudo update-alternatives --set $alt /usr/bin/$alt-posix; done);
+
+    - name: build make mingw
+      working-directory: ./win32
+      run: |
+           export PATH=/usr/bin/${{ matrix.build_platform }}-w64-mingw32-gcc/bin:/usr/bin/${{ matrix.build_platform }}-w64-mingw32-g++/bin:$PATH
+           ${{ matrix.build_platform }}-w64-mingw32-g++ --version
+           make TARGET=${{ matrix.build_platform }}-w64-mingw32-
+           make TARGET=${{ matrix.build_platform }}-w64-mingw32- prefix=./installation install
+
+
+  build_linux_native:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install packages via apt
+      run: |
+           sudo apt-get -y update
+           sudo apt-get -y install make autopoint texinfo libtool intltool bzip2 gettext g++-multilib g++-9 g++-10 g++-11 g++-12 clang-11 clang-12 clang-13 clang-14 clang-15
+           sudo apt-get -y purge aspell
+
+    - name: build
+      working-directory: ./
+      run: |
+           ./autogen
+           ./sanity-check.sh
+           CXX="g++ -m32" CC="gcc -m32" ./sanity-check.sh
+           CXX=g++-9 CC=gcc-9 ./sanity-check.sh
+           CXX=g++-10 CC=gcc-10 ./sanity-check.sh
+           CXX=clang++-15 CC=clang-15 ./sanity-check.sh
+           ./config-opt && make -C build -j2

common/file_util.cpp

@@ -13,6 +13,7 @@
 #include "fstream.hpp"
 #include "errors.hpp"
 #include "string_list.hpp"
+#include "asc_ctype.hpp"
 
 #ifdef USE_FILE_LOCKS
 #  include <fcntl.h>

common/lock.hpp

@@ -16,6 +16,7 @@
 #define DISTRIBNET_LOCK__HPP
 
 #include <assert.h>
+#include <cstddef>
 
 #include "settings.h"