Index: tests/CMakeLists.txt
--- tests/CMakeLists.txt.orig
+++ tests/CMakeLists.txt
@@ -129,7 +129,7 @@ if(ICONV_LIBRARY)
   list(APPEND EXTRA_LIBS ${ICONV_LIBRARY})
 endif()
 
-if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
   list(APPEND EXTRA_LIBS "intl")
   if(HAVE_BACKTRACE)
     list(APPEND EXTRA_LIBS "execinfo")