diff --git a/test/Macros/lit.local.cfg b/test/Macros/lit.local.cfg
index fe1101a502530..45486fc495c8d 100644
--- a/test/Macros/lit.local.cfg
+++ b/test/Macros/lit.local.cfg
@@ -31,3 +31,4 @@ else:
     )
     config.substitutions.append(('%c-flags', config.c_flags))
     config.substitutions.append(('%exe-linker-flags', config.exe_linker_flags))
+    config.substitutions.append(('%shared-linker-flags', config.shared_linker_flags))
diff --git a/test/Macros/macro_plugin_server_mod.swift b/test/Macros/macro_plugin_server_mod.swift
index 97a96c44c6662..6d527dde90697 100644
--- a/test/Macros/macro_plugin_server_mod.swift
+++ b/test/Macros/macro_plugin_server_mod.swift
@@ -24,6 +24,7 @@
 
 // RUN: %cmake-c-compiler \
 // RUN:   %c-flags -target %host_triple -isysroot %host_sdk \
+// RUN:   %shared-linker-flags \
 // RUN:   -shared -o %t/plugins/libCrashOnLoad.dylib \
 // RUN:   %t/CrashOnLoad.c
 
diff --git a/test/lit.site.cfg.in b/test/lit.site.cfg.in
index 4da78ee4d43ec..3656477b86fec 100644
--- a/test/lit.site.cfg.in
+++ b/test/lit.site.cfg.in
@@ -52,6 +52,7 @@ config.cmake_c_compiler = r'''@CMAKE_C_COMPILER@'''
 config.cmake_cxx_compiler = r'''@CMAKE_CXX_COMPILER@'''
 config.c_flags = r'''@CMAKE_C_FLAGS@'''
 config.exe_linker_flags = r'''@CMAKE_EXE_LINKER_FLAGS@'''
+config.shared_linker_flags = r'''@CMAKE_SHARED_LINKER_FLAGS@'''
 
 # --- Darwin ---
 config.darwin_xcrun_toolchain = "@SWIFT_DARWIN_XCRUN_TOOLCHAIN@"