MacBook-Pro-2:pysat-master wphun1$ pip install -e . Obtaining file:///Users/wphun1/Downloads/pysat-master Requirement already satisfied: six in /usr/local/anaconda3/lib/python3.7/site-packages (from python-sat==0.1.4.dev10) (1.12.0) Installing collected packages: python-sat Running setup.py develop for python-sat Complete output from command /usr/local/anaconda3/bin/python -c "import setuptools, tokenize;__file__='/Users/wphun1/Downloads/pysat-master/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" develop --no-deps: running develop running egg_info writing python_sat.egg-info/PKG-INFO writing dependency_links to python_sat.egg-info/dependency_links.txt writing requirements to python_sat.egg-info/requires.txt writing top-level names to python_sat.egg-info/top_level.txt reading manifest file 'python_sat.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' writing manifest file 'python_sat.egg-info/SOURCES.txt' running build_ext building 'pycard' extension gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/local/anaconda3/include -arch x86_64 -I/usr/local/anaconda3/include -arch x86_64 -Icardenc -I/usr/local/anaconda3/include/python3.7m -c cardenc/pycard.cc -o build/temp.macosx-10.7-x86_64-3.7/cardenc/pycard.o -std=c++11 -Wall -Wno-deprecated --stdlib=libc++ g++ -bundle -undefined dynamic_lookup -L/usr/local/anaconda3/lib -arch x86_64 -L/usr/local/anaconda3/lib -arch x86_64 -arch x86_64 build/temp.macosx-10.7-x86_64-3.7/cardenc/pycard.o -lc++ -o build/lib.macosx-10.7-x86_64-3.7/pycard.cpython-37m-darwin.so clang: warning: libstdc++ is deprecated; move to libc++ with a minimum deployment target of OS X 10.9 [-Wdeprecated] ld: library not found for -lstdc++ clang: error: linker command failed with exit code 1 (use -v to see invocation) error: command 'g++' failed with exit status 1 ---------------------------------------- Command "/usr/local/anaconda3/bin/python -c "import setuptools, tokenize;__file__='/Users/wphun1/Downloads/pysat-master/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" develop --no-deps" failed with error code 1 in /Users/wphun1/Downloads/pysat-master/ MacBook-Pro-2:pysat-master wphun1$