building error in folly 2026.07.27.00 with mac xcode 27.0

In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/algorithm:1856: In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__algorithm/find.h:35: In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/cwchar:116: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/cwctype:61:5: error: tried including <wctype.h> but didn't find libc++'s <wctype.h> header. This usually means that your header search paths are not configured properly. The header search paths should contain the C++ Standard Library headers before any C Standard Library, and you are probably using compiler flags that make that not be the case. 61 | # error tried including <wctype.h> but didn't find libc++'s <wctype.h> header. \