Hi, I didn't manage to install graph-tool on OSX by following these instructions: https://gist.github.com/openp2pdesign/8864593 There is some problem with boost_python that I am running into. Attached is the output of ./configure. Why is my Boost::Python not usable? Best regards, Christian bash-3.2$ export PKG_CONFIG_PATH=/opt/X11/lib/pkgconfig bash-3.2$ ./configure PYTHON_EXTRA_LDFLAGS="-L/usr/local/bin" checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... ./install-sh -c -d checking for gawk... no checking for mawk... no checking for nawk... no checking for awk... awk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether make supports nested variables... (cached) yes checking for style of include used by make... GNU checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking whether gcc understands -c and -o together... yes checking dependency style of gcc... gcc3 checking for library containing strerror... none required checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking minix/config.h usability... no checking minix/config.h presence... no checking for minix/config.h... no checking whether it is safe to define __EXTENSIONS__... yes checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking dependency style of g++... gcc3 checking for gcc option to accept ISO C99... unsupported checking for gcc option to accept ISO C89... (cached) none needed checking for gcc option to accept ISO Standard C... (cached) none needed checking how to run the C++ preprocessor... g++ -E checking for ANSI C header files... (cached) yes checking build system type... x86_64-apple-darwin13.4.0 checking host system type... x86_64-apple-darwin13.4.0 checking how to print strings... printf checking for a sed that does not truncate output... /usr/bin/sed checking for fgrep... /usr/bin/grep -F checking for ld used by gcc... /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld checking if the linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) is GNU ld... no checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm checking the name lister (/usr/bin/nm) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 196608 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking how to convert x86_64-apple-darwin13.4.0 file names to x86_64-apple-darwin13.4.0 format... func_convert_file_noop checking how to convert x86_64-apple-darwin13.4.0 file names to toolchain format... func_convert_file_noop checking for /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld option to reload object files... -r checking for objdump... no checking how to recognize dependent libraries... pass_all checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for ar... ar checking for archiver @FILE support... no checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm output from gcc object... ok checking for sysroot... no checking for mt... no checking if : is a manifest tool... no checking for dsymutil... dsymutil checking for nmedit... nmedit checking for lipo... lipo checking for otool... otool checking for otool64... no checking for -single_module linker flag... yes checking for -exported_symbols_list linker flag... yes checking for -force_load linker flag... yes checking for dlfcn.h... yes checking for objdir... .libs checking if gcc supports -fno-rtti -fno-exceptions... yes checking for gcc option to produce PIC... -fno-common -DPIC checking if gcc PIC flag -fno-common -DPIC works... yes checking if gcc static flag -static works... no checking if gcc supports -c -o file.o... yes checking if gcc supports -c -o file.o... (cached) yes checking whether the gcc linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... darwin13.4.0 dyld checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no checking how to run the C++ preprocessor... g++ -E checking for ld used by g++... /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld checking if the linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) is GNU ld... no checking whether the g++ linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) supports shared libraries... yes checking for g++ option to produce PIC... -fno-common -DPIC checking if g++ PIC flag -fno-common -DPIC works... yes checking if g++ static flag -static works... no checking if g++ supports -c -o file.o... yes checking if g++ supports -c -o file.o... (cached) yes checking whether the g++ linker (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... darwin13.4.0 dyld checking how to hardcode library paths into programs... immediate checking target system type... x86_64-apple-darwin13.4.0 checking whether to enable debug info...... no checking whether C++ compiler supports -std=gnu++11... yes checking whether to enable function inlining...... yes checking whether to enable optimizations...... yes checking whether to enable symbol visibility manipulation...... yes checking whether to enable parallel algorithms with openmp...... no checking whether to enable cairo drawing...... yes checking for main in -lm... yes checking for main in -lbz2... yes checking for main in -lexpat... yes ================ Detecting python ================ checking for a Python interpreter with version >= 2.6... python checking for python... /usr/bin/python checking for python version... 2.7 checking for python platform... darwin checking for python script directory... ${prefix}/lib/python2.7/site-packages checking for python extension module directory... ${exec_prefix}/lib/python2.7/site-packages checking for python2.7... (cached) /usr/bin/python checking for a version of Python >= '2.1.0'... yes checking for a version of Python == '2.7.5'... yes checking for the distutils Python package... yes checking for Python include path... -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 checking for Python library path... -L/System/Library/Frameworks/Python.framework/Versions/2.7/lib -lpython2.7 checking for Python site-packages path... /Library/Python/2.7/site-packages checking python extra libraries... -ldl -framework CoreFoundation checking python extra linking flags... -L/usr/local/bin checking consistency of all components of python development environment... yes graph-tool will be installed at: /Library/Python/2.7/site-packages =========================== Using python version: 2.7.5 =========================== checking for boostlib >= 1.53.0... yes checking whether the Boost::Python library is available... yes checking for exit in -lboost_python... no checking for exit in -lboost_python... (cached) no configure: error: No usable boost::python found