ci: add MSYS Makefiles nightly CI job

Use the MinGW/MSYS 1.0 distribution from `mingw.osdn.io`.

.gitlab-ci.yml

@@ -1074,6 +1074,20 @@ t:mingw_osdn_io-mingw_makefiles:
     variables:
         CMAKE_CI_JOB_NIGHTLY: "true"
 
+t:mingw_osdn_io-msys_makefiles:
+    extends:
+        - .mingw_osdn_io_msys_makefiles
+        - .cmake_test_windows_external
+        - .windows_tags_concurrent
+        - .cmake_junit_artifacts
+        - .run_dependent
+    dependencies:
+        - t:windows-vs2022-x64-ninja
+    needs:
+        - t:windows-vs2022-x64-ninja
+    variables:
+        CMAKE_CI_JOB_NIGHTLY: "true"
+
 t:windows-msvc-v71-nmake:
     extends:
         - .windows_msvc_v71_nmake

.gitlab/ci/configure_mingw_osdn_io_msys_makefiles.cmake

@@ -0,0 +1 @@
+include("${CMAKE_CURRENT_LIST_DIR}/configure_mingw_osdn_io_common.cmake")

.gitlab/ci/env_mingw_osdn_io_msys_makefiles.ps1

@@ -0,0 +1,5 @@
+$pwdpath = $pwd.Path
+& "$pwsh" -File ".gitlab/ci/mingw.ps1"
+Set-Item -Force -Path "env:PATH" -Value "$pwdpath\.gitlab\mingw\msys\1.0\bin;$pwdpath\.gitlab\mingw\bin;$env:PATH"
+$env:MSYSTEM = 'MINGW32'
+$env:MAKE_MODE = 'unix'

.gitlab/ci/mingw.ps1

@@ -21,3 +21,5 @@ Add-Type -AssemblyName System.IO.Compression.FileSystem
 [System.IO.Compression.ZipFile]::ExtractToDirectory("$outdir\$tarball", "$outdir")
 Move-Item -Path "$outdir\$filename" -Destination "$outdir\mingw"
 Remove-Item "$outdir\$tarball"
+
+"$outdir/mingw /mingw" -replace '\\', '/' | Out-File -FilePath "$outdir\mingw\msys\1.0\etc\fstab" -Encoding ASCII

.gitlab/os-windows.yml

@@ -252,6 +252,13 @@
         CMAKE_CONFIGURATION: mingw_osdn_io_mingw_makefiles
         CMAKE_GENERATOR: "MinGW Makefiles"
 
+.mingw_osdn_io_msys_makefiles:
+    extends: .mingw_osdn_io
+
+    variables:
+        CMAKE_CONFIGURATION: mingw_osdn_io_msys_makefiles
+        CMAKE_GENERATOR: "MSYS Makefiles"
+
 ## Tags
 
 .windows_tags_nonconcurrent_vs2022: