Fix build error on Windows with HEAD

.github/workflows/windows.yml

@@ -13,6 +13,16 @@ jobs:
         ruby-version: '3.0'
     - name: Run the default task
       run: |
+        # Windows's cmake can't handle long path over 260 characters.
+        # It could not be avoided by CMAKE_OBJECT_PATH_MAX configuration.
+        # To avoid this, it copy the repository to short directry name.
+        Copy-Item -Path $PWD.Path -Destination /cm -Recurse
+        cd /cm
+
         gem install bundler -v 2.2.26
         ridk exec bundle install
         ridk exec bundle exec rake
+
+        # Clean up
+        cd /
+        Remove-Item -Path /cm -Recurse -Force

ci/apt-test.sh

@@ -35,6 +35,6 @@ apt install -V -y lsb-release
 
 apt install -V -y ruby-dev git build-essential pkg-config cmake
 cd /cmetrics-ruby && \
-    gem install bundler --no-document && \
+    gem install bundler -v 2.4.22 --no-document && \
     bundle install && \
     bundle exec rake

ci/yum-test.sh

@@ -88,10 +88,10 @@ fi
 if [ $USE_SCL -eq 1 ]; then
     # For unbound variable error
     export MANPATH=
-    cd /cmetrics-ruby && source /opt/rh/rh-ruby26/enable && gem install bundler --no-document && bundle install && bundle exec rake
+    cd /cmetrics-ruby && source /opt/rh/rh-ruby26/enable && gem install bundler -v 2.4.22 --no-document && bundle install && bundle exec rake
 else
     if [ $USE_AMZN_EXT -eq 1 ]; then
         echo 'gem "io-console"' > /cmetrics-ruby/Gemfile.local
     fi
-    cd /cmetrics-ruby && gem install bundler --no-document && bundle install && bundle exec rake
+    cd /cmetrics-ruby && gem install bundler -v 2.4.22 --no-document && bundle install && bundle exec rake
 fi

ext/cmetrics/extconf.rb

@@ -44,6 +44,13 @@ def initialize(version=nil, fluent_otel_version= "0.9.0", cfl_version= "0.2.0",
     @fluent_otel_version = fluent_otel_version
     @cfl_version = cfl_version
     @recipe = MiniPortileCMake.new("cmetrics", @version, **kwargs)
+
+    # To avoid "incompatible pointer type" error
+    def @recipe.cmake_compile_flags
+      flags = super
+      flags << "-DCMAKE_C_FLAGS='-Wno-incompatible-pointer-types'"
+    end
+
     @checkpoint = ".#{@recipe.name}-#{@recipe.version}.installed"
     @recipe.target = File.join(ROOT, "ports")
     @recipe.files << {