From 542ccdc9168c6eb792af6e57d261d8d8b1b33a33 Mon Sep 17 00:00:00 2001
From: Yossi Gottlieb <yossigo@gmail.com>
Date: Wed, 20 Oct 2021 21:01:30 +0300
Subject: Fix test modules build issue on OS X 11. (#9658)

(cherry picked from commit 8bf4c2e38c6531af8a8b5bbe3ce469d79a920d35)
(cherry picked from commit 3053337043bcd58047c5f400dbc751475c5e2399)
---
 tests/modules/Makefile | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests/modules/Makefile b/tests/modules/Makefile
index 97f37f21d..465d960f3 100644
--- a/tests/modules/Makefile
+++ b/tests/modules/Makefile
@@ -11,6 +11,13 @@ else
 	SHOBJ_LDFLAGS ?= -bundle -undefined dynamic_lookup
 endif
 
+# OS X 11.x doesn't have /usr/lib/libSystem.dylib and needs an explicit setting.
+ifeq ($(uname_S),Darwin)
+ifeq ("$(wildcard /usr/lib/libSystem.dylib)","")
+LIBS = -L /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib -lsystem
+endif
+endif
+
 TEST_MODULES = \
     commandfilter.so \
     testrdb.so \
-- 
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