Don't link libcJSON against libm on Haiku

refs #7115

diff --git a/third-party/cJSON/CMakeLists.txt b/third-party/cJSON/CMakeLists.txt
index bc3f7aaa0383351221cfa1ddf26d78cf40986f1a..617a9e179da8dbfeebf1429d9709df4ec163bf48 100644 (file)
--- a/third-party/cJSON/CMakeLists.txt
+++ b/third-party/cJSON/CMakeLists.txt
@@ -23,7 +23,7 @@ set_target_properties (
   FOLDER Lib
 )
 
-if(UNIX)
+if(UNIX AND NOT HAIKU)
     target_link_libraries(cJSON m)
 endif()