After `brew cask install sage`, the resulting sage install complains that it didn't compile properly.
$ brew cask install sage ... $ sage RuntimeError: maximum recursion depth exceeded during compilation ┌────────────────────────────────────────────────────────────────────┐ │ SageMath Version 6.10, Release Date: 2015-12-18 │ │ Type "notebook()" for the browser-based notebook interface. │ │ Type "help()" for help. │ └────────────────────────────────────────────────────────────────────┘ The Sage installation tree has moved from /Users/buildslave-sage/slave/binary_pkg/build/source/SageMath/jc4b6yulaujayb9sr94ia88eourzeqip0oidma to /opt/homebrew-cask/Caskroom/sage/6.10/SageMath-6.10.app/Contents/Resources/sage Updating various hardcoded paths... (Please wait at most a few minutes.) DO NOT INTERRUPT THIS. Done updating paths. Traceback (most recent call last): File "/opt/homebrew-cask/Caskroom/sage/6.10/SageMath-6.10.app/Contents/Resources/sage/src/bin/sage-ipython", line 8, in <module> from sage.repl.readline_extra_commands import * ImportError: dlopen(/opt/homebrew-cask/Caskroom/sage/6.10/SageMath-6.10.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/repl/readline_extra_commands.so, 2): Library not loaded: /Users/buildslave-sage/slave/binary_pkg/build/source/SageMath/jc4b6yulaujayb9sr94ia88eourzeqip0oidma/local/lib/libreadline.6.dylib Referenced from: /opt/homebrew-cask/Caskroom/sage/6.10/SageMath-6.10.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/repl/readline_extra_commands.so Reason: image not found $ specs brew os specs --version 0.21 brew --version Homebrew 0.9.5 (git revision 97159; last commit 2016-02-06) system_profiler SPSoftwareDataType | grep 'System Version' System Software Overview: System Version: OS X 10.11.3 (15D21) System Integrity Protection: Enabled ~$ specs sage brew os specs --version 0.21 sage --version RuntimeError: maximum recursion depth exceeded during compilation SageMath Version 6.10, Release Date: 2015-12-18 brew --version Homebrew 0.9.5 (git revision 97159; last commit 2016-02-06) system_profiler SPSoftwareDataType | grep 'System Version' System Software Overview: System Version: OS X 10.11.3 (15D21) System Integrity Protection: Enabled -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.