LT_CONC            68 ltdl/libltdl/lt_error.h #define LT_ERROR(name, diagnostic)	LT_CONC(LT_ERROR_, name),
LT_CONC           147 ltdl/libltdl/lt_system.h #  define LT_CONC(a, b)		LT__CONC(a, b)