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-rw-r--r--lib/mkmf.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index fb6253b3f5..9972fbdb1e 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -182,6 +182,7 @@ def have_library(lib, func="main")
if func && func != ""
libs = append_library($libs, lib)
if /mswin32|mingw/ =~ RUBY_PLATFORM
+ return true if lib == 'm'
r = try_link(<<"SRC", libs)
#include <windows.h>
#include <winsock.h>