IF ("${CMAKE_C_COMPILER_ID}" MATCHES "Clang") SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-tautological-compare") ENDIF() ADD_LIBRARY(friso OBJECT friso.c friso_array.c friso_hash.c friso_lexicon.c friso_link.c friso_string.c friso_ctype.c friso_UTF8.c friso_GBK.c)