From 7255712389b403a89c9ce411c191fd543c36fae1 Mon Sep 17 00:00:00 2001
From: Dmitry Plotnikov <d.plotnikov@f5.com>
Date: Tue, 12 Mar 2024 12:04:45 -0700
Subject: [PATCH] Fix undefined symbols error on Mac (fix #38).

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 50c0c55..9b43f16 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -116,6 +116,10 @@ set_target_properties(ngx_otel_module PROPERTIES PREFIX "")
 # can't use OTel's WITH_ABSEIL until cmake 3.24, as it triggers find_package()
 target_compile_definitions(ngx_otel_module PRIVATE HAVE_ABSEIL)
 
+if (APPLE)
+    target_link_options(ngx_otel_module PRIVATE -undefined dynamic_lookup)
+endif()
+
 target_include_directories(ngx_otel_module PRIVATE
     ${NGX_OTEL_NGINX_BUILD_DIR}
     ${NGX_OTEL_NGINX_DIR}/src/core