1 files changed, 24 insertions, 0 deletions
diff --git a/ext/bigdecimal/util/extconf.rb b/ext/bigdecimal/util/extconf.rb
new file mode 100644
index 0000000000..8750db1c52
--- /dev/null
+++ b/ext/bigdecimal/util/extconf.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: false
+require 'mkmf'
+
+checking_for(checking_message("Windows")) do
+  case RUBY_PLATFORM
+  when /cygwin|mingw/
+    if defined?($extlist)
+      build_dir = "$(TARGET_SO_DIR)../"
+    else
+      base_dir = File.expand_path('../../../..', __FILE__)
+      build_dir = File.join(base_dir, "tmp", RUBY_PLATFORM, "bigdecimal", RUBY_VERSION, "")
+    end
+    $libs << " #{build_dir}bigdecimal.so"
+    true
+  when /mswin/
+    $DLDFLAGS << " -libpath:.."
+    $libs << " bigdecimal-$(arch).lib"
+    true
+  else
+    false
+  end
+end
+
+create_makefile('bigdecimal/util')