Defined in rngxx.h header as `inline static __gnu_inline` (force inline). To compile into consumer libraries as ONLY inline (no symbol emitted) `inline extern __gnu_inline`, define the macro `_RNGXX_INLINE_ONLY` (If inlining is disabled by compiler flag (e.g. `-O0`), this will cause linker failures.)
Fortune for rngxx's current commit: Curse − 凶