On Tue, Mar 09, 2021 at 01:41:25AM -0700, Anthony J. Bentley wrote: > Hi, > > When updating a port I came across a weird compile error within iostream > if _POSIX_C_SOURCE is set. 200112 and 200809 both error out in different > ways.
This looks like the same problem as https://marc.info/?l=openbsd-bugs&m=157758838031146&w=2 > > $ cat foo.cc > #include <iostream> > int main() {} > $ clang++ -D_POSIX_C_SOURCE=200112 foo.cc > In file included from foo.cc:1: > In file included from /usr/include/c++/v1/iostream:37: > In file included from /usr/include/c++/v1/ios:215: > In file included from /usr/include/c++/v1/__locale:32: > In file included from /usr/include/c++/v1/support/newlib/xlocale.h:25: > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:23:64: error: > unknown > type name 'locale_t' > char **endptr, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:28:65: error: > unknown > type name 'locale_t' > char **endptr, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:33:71: error: > unknown > type name 'locale_t' > ...char **endptr, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:38:54: error: > unknown > type name 'locale_t' > strtoll_l(const char *nptr, char **endptr, int base, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:43:55: error: > unknown > type name 'locale_t' > strtoull_l(const char *nptr, char **endptr, int base, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:48:60: error: > unknown > type name 'locale_t' > wcstoll_l(const wchar_t *nptr, wchar_t **endptr, int base, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:53:61: error: > unknown > type name 'locale_t' > wcstoull_l(const wchar_t *nptr, wchar_t **endptr, int base, locale_t) { > ^ > /usr/include/c++/v1/support/xlocale/__strtonum_fallback.h:58:74: error: > unknown > type name 'locale_t' > ...wchar_t **endptr, locale_t) { > ^ > In file included from foo.cc:1: > In file included from /usr/include/c++/v1/iostream:37: > In file included from /usr/include/c++/v1/ios:215: > /usr/include/c++/v1/__locale:54:25: error: unknown type name 'locale_t' > __libcpp_locale_guard(locale_t& __loc) : __old_loc_(uselocale(__loc)) {} > ^ > /usr/include/c++/v1/__locale:62:3: error: unknown type name 'locale_t' > locale_t __old_loc_; > ^ > /usr/include/c++/v1/__locale:132:20: error: use of undeclared identifier > 'LC_COLLATE_MASK' > collate = LC_COLLATE_MASK, > ^ > /usr/include/c++/v1/__locale:133:20: error: use of undeclared identifier > 'LC_CTYPE_MASK' > ctype = LC_CTYPE_MASK, > ^ > /usr/include/c++/v1/__locale:134:20: error: use of undeclared identifier > 'LC_MONETARY_MASK' > monetary = LC_MONETARY_MASK, > ^ > /usr/include/c++/v1/__locale:135:20: error: use of undeclared identifier > 'LC_NUMERIC_MASK' > numeric = LC_NUMERIC_MASK, > ^ > /usr/include/c++/v1/__locale:136:20: error: use of undeclared identifier > 'LC_TIME_MASK' > time = LC_TIME_MASK, > ^ > /usr/include/c++/v1/__locale:137:20: error: use of undeclared identifier > 'LC_MESSAGES_MASK' > messages = LC_MESSAGES_MASK, > ^ > /usr/include/c++/v1/__locale:349:5: error: unknown type name 'locale_t'; did > you > mean 'locale'? > locale_t __l; > ^ > /usr/include/c++/v1/__locale:121:24: note: 'locale' declared here > class _LIBCPP_TYPE_VIS locale > ^ > /usr/include/c++/v1/__locale:368:5: error: unknown type name 'locale_t'; did > you > mean 'locale'? > locale_t __l; > ^ > /usr/include/c++/v1/__locale:121:24: note: 'locale' declared here > class _LIBCPP_TYPE_VIS locale > ^ > /usr/include/c++/v1/__locale:740:5: error: unknown type name 'locale_t'; did > you > mean 'locale'? > locale_t __l; > ^ > /usr/include/c++/v1/__locale:121:24: note: 'locale' declared here > class _LIBCPP_TYPE_VIS locale > ^ > fatal error: too many errors emitted, stopping now [-ferror-limit=] > 20 errors generated. > > $ clang++ -D_POSIX_C_SOURCE=200809 foo.cc > In file included from foo.cc:1: > In file included from /usr/include/c++/v1/iostream:39: > In file included from /usr/include/c++/v1/istream:163: > In file included from /usr/include/c++/v1/ostream:140: > In file included from /usr/include/c++/v1/locale:207: > /usr/include/c++/v1/__bsd_locale_fallbacks.h:122:17: error: use of undeclared > identifier 'vasprintf'; did you mean 'vsprintf'? > int __res = vasprintf(__s, __format, __va); > ^ > /usr/include/c++/v1/cstdio:124:9: note: 'vsprintf' declared here > using ::vsprintf; > ^ > In file included from foo.cc:1: > In file included from /usr/include/c++/v1/iostream:39: > In file included from /usr/include/c++/v1/istream:163: > In file included from /usr/include/c++/v1/ostream:140: > In file included from /usr/include/c++/v1/locale:207: > /usr/include/c++/v1/__bsd_locale_fallbacks.h:122:27: error: cannot initialize > a > parameter of type 'char *' with an lvalue of type 'char **' > int __res = vasprintf(__s, __format, __va); > ^~~ > /usr/include/stdio.h:269:21: note: passing argument to parameter here > int vsprintf(char *, const char *, __va_list); > ^ > 2 errors generated. > >
