On Fri, Sep 29, 2017 at 1:38 AM, Alex Potapenko <opotape...@gmail.com> wrote: > > Building GCC 7.2.0 libgo against uClibc-ng 1.0.26 results in the following > error: > >> runtime_sysinfo.go:418:17: error: use of undefined type >> ‘___uclibc_locale_struct’ > > > This happens because -fdump-go-spec probably generates types only from > typedef declarations, ignoring structs, like "struct > __uclibc_locale_struct;" in uClibc-ng <bits/uClibc_locale.h> header. Adding > "typedef struct __uclibc_locale_struct __uclibc_locale_struct;" to > libgo/sysinfo.c remedies this issue: > > --- a/libgo/sysinfo.c > +++ b/libgo/sysinfo.c > @@ -277,3 +277,7 @@ > epoll_data_offset = offsetof(struct epoll_event, data) > }; > #endif > + > +#ifdef __UCLIBC__ > +typedef struct __uclibc_locale_struct __uclibc_locale_struct; > +#endif
-fdump-go-spec doesn't ignore structs, so I feel like there may be something else going on. Could you send the generated gen-sysinfo.go file (without your patch)? Thanks. Ian