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-rw-r--r--ext/socket/extconf.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 63a8577c2e..a0a4f8e9f7 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -291,7 +291,7 @@ have_header("ifaddrs.h")
have_func("getifaddrs")
have_header("sys/ioctl.h")
have_header("sys/sockio.h")
-have_header("net/if.h")
+have_header("net/if.h", headers)
unless have_type("socklen_t", headers)
$defs << "-Dsocklen_t=int"