[Xquartz-dev] Newbie question about building XQuartz: autoreconf fails

[Tom Lane]

Jeremy Huddleston Sequoia <jeremyhu at apple.com> writes:
>> On Jul 16, 2017, at 16:26, Tom Lane <tgl at sss.pgh.pa.us> wrote:
>> I dug into it and determined that even though _XSERVTransSocketReopen is
>> being very careful to allocate the correct amount of memory, gcc is
>> deciding to generate a __strlcpy_chk() call that abort()s if the string
>> length is >= 14 bytes, because it thinks the declared size of struct
>> sockaddr.sa_data is a hard limit that it ought to enforce.

> Yeah.  That's unfortunate misunderstanding of POSIX on the part of the compiler team there.  Was it really FSF gcc that you're using?  If so, please file a bug at https://gcc.gnu.org/bugzilla

Nope ...

> If you're seeing that with clang, pleas let me know what version of clang.  I thought we fixed clang's over-zealous __builtin_object_size before it was released.

This is current Xcode, as I said before.

$ gcc -v
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 8.1.0 (clang-802.0.42)
Target: x86_64-apple-darwin16.6.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

			regards, tom lane