$OpenBSD$

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -78,12 +78,18 @@ COLOR_MESSAGE( "
 
 ADD_LIBRARY(artyfx SHARED ${sources} )
 
-target_link_libraries( artyfx LINK_PUBLIC ${SND_LIBRARIES}   )
 target_link_libraries( artyfx LINK_PUBLIC "-lpthread" )
+if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
+  target_link_libraries( artyfx LINK_PUBLIC "-lc $ENV{LDFLAGS}" )
+endif()
+target_link_libraries( artyfx LINK_PUBLIC ${SND_LIBRARIES}   )
 
 IF(BUILD_GUI)
   ADD_LIBRARY( artyfx_ui SHARED ${ui_sources} )
   add_dependencies( artyfx_ui avtk )
+  if(CMAKE_SYSTEM_NAME STREQUAL OpenBSD)
+    target_link_libraries( artyfx_ui "-lc $ENV{LDFLAGS}" )
+  endif()
   target_link_libraries( artyfx_ui "-lavtk -lcairo -lX11" )
   set_target_properties( artyfx_ui PROPERTIES PREFIX "")
   install (TARGETS artyfx_ui DESTINATION lib/lv2/artyfx.lv2/)
