$OpenBSD$ --- cmake/ETLPlatform.cmake.orig Sun Nov 15 15:14:55 2015 +++ cmake/ETLPlatform.cmake Sun Nov 15 15:15:48 2015 @@ -45,6 +45,8 @@ if(UNIX) if(CMAKE_SYSTEM MATCHES "OpenBSD*") set(OS_LIBRARIES m pthread) set(LIB_SUFFIX ".mp.obsd.") + # no need for sysv *64 horrors here + add_definitions(-DUSE_FILE32API) elseif(CMAKE_SYSTEM MATCHES "FreeBSD") set(OS_LIBRARIES m pthread) set(LIB_SUFFIX ".mp.fbsd.")