diff -u -r1.35.2.1 nbtool_config.h.in --- a/tools/compat/nbtool_config.h.in 22 Apr 2015 07:18:58 -0000 1.35.2.1 +++ b/tools/compat/nbtool_config.h.in 31 May 2018 01:46:53 -0000 @@ -680,5 +680,14 @@ /* Define if you have u_int8_t, but not uint8_t. */ #undef uint8_t +#ifdef __cplusplus +extern "C" { +#endif + #include "compat_defs.h" + +#ifdef __cplusplus +} +#endif + #endif /* !__NETBSD_NBTOOL_CONFIG_H__ */