From 40abd4531dd95d35969b19758eda293887ab6c48 Mon Sep 17 00:00:00 2001
From: Jefferson Amstutz <jamstutz@nvidia.com>
Date: Tue, 22 Oct 2024 11:48:21 -0500
Subject: [PATCH] add back in a link to Threads::Threads

---
 cmake/anariConfig.cmake.in | 3 +++
 src/anari/CMakeLists.txt   | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/cmake/anariConfig.cmake.in b/cmake/anariConfig.cmake.in
index 3bfbd44f..75e94517 100644
--- a/cmake/anariConfig.cmake.in
+++ b/cmake/anariConfig.cmake.in
@@ -5,6 +5,9 @@
 
 include(CMakeFindDependencyMacro)
 
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_dependency(Threads)
+
 if (@VIEWER_ENABLE_GLTF@)
   find_dependency(draco)
   find_dependency(WebP)
diff --git a/src/anari/CMakeLists.txt b/src/anari/CMakeLists.txt
index f8a27769..8b609b0e 100644
--- a/src/anari/CMakeLists.txt
+++ b/src/anari/CMakeLists.txt
@@ -4,6 +4,10 @@
 option(ANARI_FRONTEND_CATCH_EXCEPTIONS "Have libanari catch all exceptions" ON)
 mark_as_advanced(ANARI_FRONTEND_CATCH_EXCEPTIONS)
 
+# Some platforms simply don't function without linking against Threads::Threads
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+
 macro(add_anari_frontend_library_target LIB_TYPE)
   project_add_library(${LIB_TYPE}
     anari_cpp_linalg_defs.cpp
@@ -31,7 +35,7 @@ macro(add_anari_frontend_library_target LIB_TYPE)
     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
   )
 
-  project_link_libraries(PUBLIC ${CMAKE_DL_LIBS})
+  project_link_libraries(PUBLIC Threads::Threads ${CMAKE_DL_LIBS})
 
   set_target_properties(${PROJECT_NAME}
     PROPERTIES