From 5b5b4a5718fc6996091ebdec7c06b8ff6ed816da Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Mon, 14 Dec 2020 15:43:49 +0100
Subject: [PATCH] Conditionally link `exception_tracer` libs

---
 CMakeLists.txt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7316ffb..cd58ae5a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -361,8 +361,11 @@ target_link_libraries(
 
 foreach(tgt ${BINARY_TARGETS})
   target_link_libraries(${tgt} dwarfs)
-  target_link_libraries(${tgt} -Wl,--whole-archive folly_exception_tracer_base
-                        folly_exception_tracer -Wl,--no-whole-archive)
+  if(TARGET folly_exception_tracer)
+    target_link_libraries(
+      ${tgt} -Wl,--whole-archive folly_exception_tracer_base
+      folly_exception_tracer -Wl,--no-whole-archive)
+  endif()
 endforeach()
 
 if(WITH_PYTHON)