Switched shell to mingw64.

.github/workflows/windows-msys.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: windows-latest
     defaults:
       run:
-        shell: msys2 {0}
+        shell: mingw64 {0}
     strategy:
       max-parallel: 10
       fail-fast: false

package_info.conf.in

@@ -32,4 +32,3 @@ license = COPYING
 requiresAdminRights = true
 multiUserInstall = false
 script = ports/deploy/installscript.nsi
-verbose = true

ports/ci/windows-msys/build.sh

@@ -39,7 +39,7 @@ echo
 
 export PATH=/c/msys64/mingw64/bin:/c/msys64/usr/bin:${ORIG_PATH}
 buildDir=build-${COMPILER}-x64
-mkdir ${buildDir}
+mkdir -p ${buildDir}
 cmake \
     -LA \
     -S . \
@@ -59,7 +59,7 @@ echo
 
 export PATH=/c/msys64/mingw32/bin:/c/msys64/usr/bin:${ORIG_PATH}
 buildDir=build-${COMPILER}-x86
-mkdir ${buildDir}
+mkdir -p ${buildDir}
 cmake \
     -LA \
     -S . \