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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>Following up on my message yesterday, I tried building with ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>_GNU_SOURCE</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ defined, and this fixes the ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>vasprintf</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ issue. But it threw up a different problem.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>When compiling ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>llvm/projects/libcxx/src/system_error.cpp</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ I got the following error message:<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>/home/martino/llvm/projects/libcxx/src/system_error.cpp:79:14: error: assigning to 'int' from incompatible type 'char *'<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> if ((ret = ::strerror_r(ev, buffer, strerror_buff_size)) != 0) {<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>and this is because Newlib’s implementation of ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'><string.h></span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ is as follows (this is unchanged in v2.5.0 from v2.2.0):<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>/* There are two common strerror_r variants. If you request<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> _GNU_SOURCE, you get the GNU version; otherwise you get the POSIX<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> version. POSIX requires that #undef strerror_r will still let you<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> invoke the underlying function, but that requires gcc support. */<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;background:yellow;mso-highlight:yellow;mso-fareast-language:EN-US'>#if __GNU_VISIBLE<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;background:yellow;mso-highlight:yellow;mso-fareast-language:EN-US'>char *_EXFUN(strerror_r,(int, char *, size_t));</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>#else<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'># ifdef __GNUC__<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>int _EXFUN(strerror_r,(int, char *, size_t))<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>#ifdef __ASMNAME<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> __asm__ (__ASMNAME ("__xpg_strerror_r"))<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>#endif<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> ;<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'># else<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>int _EXFUN(__xpg_strerror_r,(int, char *, size_t));<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'># define strerror_r __xpg_strerror_r<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'># endif<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>#endif<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>So I edited ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>system_error.cpp</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ and this with the other changes I mentioned appears to make it all compile perfectly </span><span style='font-family:Wingdings;color:#002060;mso-fareast-language:EN-US'>J</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'> Of course, now I have to run the test-suite to see if it breaks anything. My edit to ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>system_error.cpp</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ is as follows:<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>#if defined(__linux__) && !defined(_LIBCPP_HAS_MUSL_LIBC) \<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> && (!defined(__ANDROID__) || __ANDROID_API__ >= 23) <span style='background:yellow;mso-highlight:yellow'>\<o:p></o:p></span></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;background:yellow;mso-highlight:yellow;mso-fareast-language:EN-US'> || (defined(_NEWLIB_VERSION) && defined(_GNU_SOURCE))</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>// GNU Extended version<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>string do_strerror_r(int ev) {<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> char buffer[strerror_buff_size];<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> char* ret = ::strerror_r(ev, buffer, strerror_buff_size);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'> return string(ret);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>}<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>#else<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>// POSIX version<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>string do_strerror_r(int ev) {<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>Because my target is for an embedded system, ‘</span><span style='font-family:"Courier New";color:black;mso-fareast-language:EN-US'>__linux__</span><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>’ is not defined.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'>All the best,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:#002060;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div><p class=MsoNormal>On Fri, Jan 13, 2017 at 9:06 AM, Martin J. O'Riordan via cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>Thanks James, I will try that.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'> MartinO</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> James Y Knight [mailto:<a href="mailto:jyknight@google.com" target="_blank">jyknight@google.com</a>] <br><b>Sent:</b> 13 January 2017 15:50<br><b>To:</b> Martin J. O'Riordan <<a href="mailto:martin.oriordan@movidius.com" target="_blank">martin.oriordan@movidius.com</a>><br><b>Cc:</b> cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>><br><b>Subject:</b> Re: [cfe-dev] Newlib v2.5.0 and LibC++ locale support BROKEN</span><o:p></o:p></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>You should define _GNU_SOURCE, in order to get the vasprintf definition (newlib will set __GNU_VISIBLE based on it)<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>While _GNU_SOURCE is "theoretically" supposed to be for end-users to define, to request extra nonstandard functions from standard headers, in practice, it's set effectively always for C++ code, because the C++ standard libraries need it. (see how clang sets it by default for a number of targets in clang/lib/Basic/Targets.cpp).<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Fri, Jan 13, 2017 at 10:17 AM, Martin J. O'Riordan via cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>I have a partial fix for these issues.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>The first is a group of errors that are due to Newlib v2.5.0 providing a richer Locale support than previous releases (Newlib’s ‘</span><span style='font-family:"Courier New"'>locale.h</span><span style='font-family:"Book Antiqua",serif'>’), and this is turn results in conflicts for all the definitions contained in LibC++’s source ‘</span><span style='font-family:"Courier New"'>include/support/newlib/xlocale.h</span><span style='font-family:"Book Antiqua",serif'>’ I have changed:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New"'>#include <support/xlocale/__nop_locale_mgmt.h></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>to:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New"'>#if defined(__NEWLIB__) && (__NEWLIB__ == 2) \</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New"'> && defined(__NEWLIB_MINOR__) && (__NEWLIB_MINOR__ >= 5) \</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New"'> && (!defined(__POSIX_VISIBLE) || (__POSIX_VISIBLE < 200809))</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New"'>#include <support/xlocale/__nop_locale_mgmt.h></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New"'>#endif</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>I think that this is a reasonably portable resolution, though I will have to examine intermediate versions of Newlib after v2.2.0-20150423 and before v2.5.0 to see when the relevant changes occurred, so the exclusion check may need to be refined.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>However, I am not sure what to do about ‘</span><span style='font-family:"Courier New"'>vasprintf</span><span style='font-family:"Book Antiqua",serif'>’. I tried excluding the function ‘</span><span style='font-family:"Courier New"'>__libcpp_asprintf_l</span><span style='font-family:"Book Antiqua",serif'>’ if ‘</span><span style='font-family:"Courier New"'>__STRICT_ANSI__</span><span style='font-family:"Book Antiqua",serif'>’ is defined, but this had knock-on consequences because this function is used elsewhere in the C++ headers, so it is a more complex issue to resolve.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'>Thanks,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif'> MartinO</span><o:p></o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US>From:</span></b><span lang=EN-US> Martin J. O'Riordan [mailto:<a href="mailto:martin.oriordan@movidius.com" target="_blank">martin.oriordan@movidius.com</a>] <br><b>Sent:</b> 12 January 2017 15:58<br><b>To:</b> 'cfe-dev' <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>><br><b>Subject:</b> Newlib v2.5.0 and LibC++ locale support</span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'>I am in the process of updating from using Newlib v2.2.0-20150423 for our common C library with LLVM to v2.5.0 and this is breaking LibC++. Both LibC++ v3.9 and what is currently at head are affected.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'>There are some general problems with Locales, and in particular the definition of the type ‘</span><span style='font-family:"Courier New";color:black'>locale_t</span><span style='font-family:"Book Antiqua",serif;color:black'>’ which is defined in Newlib’s ‘</span><span style='font-family:"Courier New";color:black'>sys/_locale.h</span><span style='font-family:"Book Antiqua",serif;color:black'>’ as:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'>typedef struct __locale_t *locale_t;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'>and in LibC++’s ‘</span><span style='font-family:"Courier New";color:black'>support/xlocale/__nop_locale_mgmt.h</span><span style='font-family:"Book Antiqua",serif;color:black'>’ as:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'>typedef void *locale_t;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'>But it is also running into another problem with ‘</span><span style='font-family:"Courier New";color:black'>vasprintf</span><span style='font-family:"Book Antiqua",serif;color:black'>’. In LibC++ this is referenced in ‘</span><span style='font-family:"Courier New";color:black'>__bsd_locale_fallbacks.h</span><span style='font-family:"Book Antiqua",serif;color:black'>’, but ‘</span><span style='font-family:"Courier New";color:black'>vasprintf</span><span style='font-family:"Book Antiqua",serif;color:black'>’ is not an ISO C function, and the newer version of Newlib has the declaration in ‘</span><span style='font-family:"Courier New";color:black'><stdio.h></span><span style='font-family:"Book Antiqua",serif;color:black'>’ guarded with ‘</span><span style='font-family:"Courier New";color:black'>__GNU_VISIBLE</span><span style='font-family:"Book Antiqua",serif;color:black'>’ to keep it out of the global namespace, thus:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'>#if __GNU_VISIBLE</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'>int _EXFUN(asprintf, (char **__restrict, const char *__restrict, ...)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'> _ATTRIBUTE ((__format__ (__printf__, 2, 3))));</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'>int _EXFUN(vasprintf, (char **, const char *, __VALIST)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'> _ATTRIBUTE ((__format__ (__printf__, 2, 0))));</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-family:"Courier New";color:black'>#endif</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'>I don’t know which version of Newlib changed the declaration of ‘</span><span style='font-family:"Courier New";color:black'>vasprintf</span><span style='font-family:"Book Antiqua",serif;color:black'>’, but the current LibC++ does not seem to handle the change. Should I be building LibC++ with ‘</span><span style='font-family:"Courier New";color:black'>__GNU_VISIBLE</span><span style='font-family:"Book Antiqua",serif;color:black'>’ defined? Any recommendations for how I should resolve the multiple definition of ‘</span><span style='font-family:"Courier New";color:black'>locale_t</span><span style='font-family:"Book Antiqua",serif;color:black'>’?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'>Thanks,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Book Antiqua",serif;color:black'> MartinO</span><o:p></o:p></p></div></div></blockquote></div></div></div></div></div></div></blockquote></div></div></div></body></html>