########################################################################
# Determine the defaults (this block has no effect if the variables have
# already been set)
-if((APPLE OR CYGWIN OR ${CMAKE_SYSTEM_NAME} MATCHES "Linux|.*BSD") AND NOT GMX_BUILD_MDRUN_ONLY)
+if((APPLE OR CYGWIN OR ${CMAKE_SYSTEM_NAME} MATCHES "Linux|.*BSD|GNU") AND NOT GMX_BUILD_MDRUN_ONLY)
# Maybe Solaris should be here? Patch this if you know!
SET(SHARED_LIBS_DEFAULT ON)
elseif(WIN32 OR ${CMAKE_SYSTEM_NAME} MATCHES "BlueGene")