From 273ca4d4f65ee5327010559be8d9b75cfe96e5de Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 30 Jul 2022 07:33:45 +0900
Subject: [PATCH] tasks/toolchains/gcc.rake: remove -lm on Windows; #5757

---
 tasks/toolchains/gcc.rake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tasks/toolchains/gcc.rake b/tasks/toolchains/gcc.rake
index 51bda6517..aa1cf777d 100644
--- a/tasks/toolchains/gcc.rake
+++ b/tasks/toolchains/gcc.rake
@@ -25,7 +25,11 @@ MRuby::Toolchain.new(:gcc) do |conf, params|
   conf.linker do |linker|
     linker.command = ENV['LD'] || ENV['CXX'] || ENV['CC'] || default_command
     linker.flags = [ENV['LDFLAGS'] || %w()]
-    linker.libraries = %w(m)
+    if ENV['OS'] == 'Windows_NT'
+      linker.libraries = []
+    else
+      linker.libraries = %w(m)
+    end
     linker.library_paths = []
     linker.option_library = '-l%s'
     linker.option_library_path = '-L%s'