commit 9677dcfe40030c380fca2cf239947e89b0cea62c
Author: raa0121 <raa0121@gmail.com>
Date:   Tue Jul 5 15:38:42 2022 +0900

    Makefile: add ldflags for Windows

diff --git a/Makefile b/Makefile
index ddeb7ee..695faba 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ linux:
 	GOOS=linux GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-linux
 
 windows:
-	GOOS=windows GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-windows.exe
+	GOOS=windows GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-windows.exe -ldflags -H=windowsgui
 
 macos:
 	GOOS=darwin GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-macos