11:44:29 ~ $ cd /Applications
11:44:37 /Applications $ cd SageMath
11:44:41 /Applications/SageMath $ make
/Applications/Xcode.app/Contents/Developer/usr/bin/make build/make/Makefile
make[1]: `build/make/Makefile' is up to date.
build/bin/sage-logger \
		"cd build/make && ./install 'all'" logs/install.log
*** ALL ENVIRONMENT VARIABLES BEFORE BUILD: ***
Apple_PubSub_Socket_Render=/private/tmp/com.apple.launchd.VT5Yq0Lg7X/Render
HOME=/Users/michael
LANG=en_US.UTF-8
LOGNAME=michael
MAKE=make
MAKEFLAGS=
MAKELEVEL=1
MFLAGS=
PATH=/Applications/SageMath/build/bin:/Applications/SageMath/src/bin:/Applications/SageMath/local/bin:/Library/Frameworks/Python.framework/Versions/2.7/bin:/Library/Frameworks/Python.framework/Versions/2.7/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/michael/Dropbox/Python:/Library/TeX/texbin
PWD=/Applications/SageMath/build/make
PYTHONPATH=/Applications/SageMath/local
SAGE_EXTCODE=/Applications/SageMath/local/share/sage/ext
SAGE_LOCAL=/Applications/SageMath/local
SAGE_LOGS=/Applications/SageMath/logs/pkgs
SAGE_ORIG_PATH=/Library/Frameworks/Python.framework/Versions/2.7/bin:/Library/Frameworks/Python.framework/Versions/2.7/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/michael/Dropbox/Python:/Library/TeX/texbin
SAGE_ORIG_PATH_SET=True
SAGE_ROOT=/Applications/SageMath
SAGE_SHARE=/Applications/SageMath/local/share
SAGE_SPKG_INST=/Applications/SageMath/local/var/lib/sage/installed
SAGE_SRC=/Applications/SageMath/src
SAGE_VERSION=7.1
SECURITYSESSIONID=186a7
SHELL=/bin/bash
SHLVL=4
SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.mIAUOyUhtx/Listeners
TERM=xterm-256color
TERM_PROGRAM=Apple_Terminal
TERM_PROGRAM_VERSION=361.1
TERM_SESSION_ID=F8B3F504-9DB9-423D-AE1E-0E4A4396530C
TMPDIR=/var/folders/9z/9kpln_1s35z1618nh2dhy5j00000gn/T/
USER=michael
XPC_FLAGS=0x0
XPC_SERVICE_NAME=0
_=/usr/bin/env
__CF_USER_TEXT_ENCODING=0x1F5:0x0:0x0
***********************************************
make base
make[2]: Nothing to be done for `base'.
env SAGE_BUILD_TOOLCHAIN=yes make toolchain
make[2]: Nothing to be done for `toolchain'.
make toolchain-deps
make /Applications/SageMath/local/var/lib/sage/installed/zlib-1.2.8.p0
make[3]: `/Applications/SageMath/local/var/lib/sage/installed/zlib-1.2.8.p0' is up to date.
make /Applications/SageMath/local/var/lib/sage/installed/mpir-2.7.2
make[3]: `/Applications/SageMath/local/var/lib/sage/installed/mpir-2.7.2' is up to date.
make /Applications/SageMath/local/var/lib/sage/installed/mpfr-3.1.4
make[3]: `/Applications/SageMath/local/var/lib/sage/installed/mpfr-3.1.4' is up to date.
make /Applications/SageMath/local/var/lib/sage/installed/mpc-1.0.3.p0
make[3]: `/Applications/SageMath/local/var/lib/sage/installed/mpc-1.0.3.p0' is up to date.
make doc all-sage
if [ -z "$SAGE_INSTALL_FETCH_ONLY" ]; then \
		cd /Applications/SageMath/src && source bin/sage-env && \
		sage-logger 'time make sage' '/Applications/SageMath/logs/pkgs/sage-7.1.log'; \
	fi
python -u setup.py install
Traceback (most recent call last):
  File "setup.py", line 4, in <module>
    import os, sys, time, errno, platform, subprocess, glob
  File "/Applications/SageMath/local/lib/python/subprocess.py", line 430, in <module>
    import pickle
  File "/Applications/SageMath/local/lib/python/pickle.py", line 34, in <module>
    import struct
  File "/Applications/SageMath/local/lib/python/struct.py", line 1, in <module>
    from _struct import *
ImportError: dlopen(/Applications/SageMath/local/lib/python2.7/lib-dynload/_struct.so, 2): Symbol not found: _PyUnicodeUCS4_AsEncodedString
  Referenced from: /Applications/SageMath/local/lib/python2.7/lib-dynload/_struct.so
  Expected in: flat namespace
 in /Applications/SageMath/local/lib/python2.7/lib-dynload/_struct.so
make[3]: *** [sage] Error 1

real	0m0.095s
user	0m0.044s
sys	0m0.037s
make[2]: *** [sagelib] Error 2
make[1]: *** [all] Error 2

real	0m0.697s
user	0m0.418s
sys	0m0.213s
***************************************************************
Error building Sage.

The following package(s) may have failed to build (not necessarily
during this run of 'make all'):

The build directory may contain configuration files and other potentially
helpful information. WARNING: if you now run 'make' again, the build
directory will, by default, be deleted. Set the environment variable
SAGE_KEEP_BUILT_SPKGS to 'yes' to prevent this.

make: *** [all] Error 1