So ... next error I found within master:
<div><br></div><div><div><font class="Apple-style-span" face="'courier new', monospace">glibtool: compile: /usr/bin/llvm-gcc -DHAVE_CONFIG_H -I. -I../../../.. -I../../../../libglusterfs/src -I../../../../contrib/uuid -I/usr/local/Cellar/gettext/<a href="http://0.18.1.1/include">0.18.1.1/include</a> -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -DGF_DARWIN_HOST_OS -I../../../../libglusterfs/src -nostartfiles -I../../../../argp-standalone -D__DARWIN_64_BIT_INO_T -bundle -undefined suppress -flat_namespace -D_XOPEN_SOURCE -O0 -I -L/usr/local/Cellar/glusterfs/HEAD/lib/glusterfs/3git/xlator/mgmt/ -I../../../../contrib/rbtree -I../../../../rpc/xdr/src -I../../../../rpc/rpc-lib/src -I../../../../contrib/uuid -I../../../../contrib/md5 -DSBIN_DIR=\"/usr/local/Cellar/glusterfs/HEAD/sbin\" -DDATADIR=\"/usr/local/Cellar/glusterfs/HEAD/var\" -DGSYNCD_PREFIX=\"/usr/local/Cellar/glusterfs/HEAD/libexec/glusterfs\" -DSYNCDAEMON_COMPILE=0 -I/usr/include/libxml2 -O3 -march=core2 -msse4.1 -w -pipe -c glusterd-handler.c -fno-common -DPIC -o .libs/glusterd-handler.o</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">glusterd.c: In function 'check_prepare_mountbroker_root':</font></div><div><font class="Apple-style-span" face="'courier new', monospace">glusterd.c:644: error: 'AT_SYMLINK_NOFOLLOW' undeclared (first use in this function)</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">glusterd.c:644: error: (Each undeclared identifier is reported only once</font></div><div><font class="Apple-style-span" face="'courier new', monospace">glusterd.c:644: error: for each function it appears in.)</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">make[4]: *** [glusterd.lo] Error 1</font></div><div><font class="Apple-style-span" face="'courier new', monospace">make[4]: *** Waiting for unfinished jobs....</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">make[3]: *** [install-recursive] Error 1</font></div><div><font class="Apple-style-span" face="'courier new', monospace">make[2]: *** [install-recursive] Error 1</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">make[1]: *** [install-recursive] Error 1</font></div><div><font class="Apple-style-span" face="'courier new', monospace">make: *** [install-recursive] Error 1</font></div>
</div><div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div>But Mac OS X's fcntl.h seems not to declare <span class="Apple-style-span" style="font-family: 'courier new', monospace; ">AT_SYMLINK_NOFOLLOW</span>. This seems to be a linux only feature ...