Hi, I tried to intall graph-tool on my mac, but failed.... cmd I typied is: ./configure --prefix=/Users/zhangxuejin/anaconda --with-python-module-path=/Users/zhangxuejin/anaconda/lib/python3.6/site-packages I have attached the configure.log and entire output of the ./configure script as configure.out. But I am sure that I have installed boost-python: My packages in environment at /Users/zhangxuejin/anaconda: boost 1.65.1 py36_4 anaconda boost-cpp 1.65.1 1 conda-forge boost-python 1.55.0 0 meznom libboost 1.65.1 hcc95346_4 I also tried install like: ./configure --prefix=/Users/zhangxuejin/anaconda --with-python-module-path=/Users/zhangxuejin/anaconda/lib/python3.6/site-packages --with-boost-python=-mt.a PYTHON=/Users/zhangxuejin/anaconda/bin/python CPPFLAGS=/Users/zhangxuejin/anaconda/include LDFLAGS=/Users/zhangxuejin/anaconda/lib but same error msg appeared... Please help with installation. Thank you very much! -- Best regards, JJ