After another bit of investigation and a careful study of the config.log, I could install it by passing the variable PYTHON_EXTRA_LDFLAGS with the correct location of the Python framework. Ex. ./configure PYTHON_EXTRA_LDFLAGS=“-F/path/to/python/framework” Thank you, Duccio On Mon, 18 Dec 2017 at 12:00 <graph-tool-request@skewed.de> wrote:

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1. Installation error: Could not link test program to Python (Duccio Aiazzi) 2. Re: Installation error: Could not link test program to Python (Tiago de Paula Peixoto)

---------- Forwarded message ---------- From: Duccio Aiazzi <duccio.aiazzi@gmail.com> To: graph-tool@skewed.de Cc: Bcc: Date: Sun, 17 Dec 2017 14:55:27 +0000 Subject: [graph-tool] Installation error: Could not link test program to Python Hello, I am following the instructions for the installation in a virtual environment. I run the command: ./configure --prefix=/usr/local/Cellar LDFLAGS="-L/usr/local/lib" I get the error “Could not link test program to Python” with the suggestion to pass LIBS or LDFLAGS variables. From the config.log gives the following error:

clang: error: no such file or directory: 'Python.framework/Versions/3.6/Python'

This error occurs in the following line, something to do with CoreFoundation:

configure:19079: gcc -o conftest -g -O2 -DNDEBUG -I/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/include/python3.6m -L/usr/local/lib -Wl,-stack_size,1000000 -framework CoreFoundation Python.framework/Versions/3.6/Python conftest.c -L/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.6/lib -lpython3.6m -ldl -framework CoreFoundation -ldl -framework CoreFoundation >&5

I have two questions: How can I pass the variable for this line? How can I find out what the right path is?

Thank you, Duccio

---------- Forwarded message ---------- From: Tiago de Paula Peixoto <tiago@skewed.de> To: graph-tool@skewed.de Cc: Bcc: Date: Sun, 17 Dec 2017 16:01:43 +0100 Subject: Re: [graph-tool] Installation error: Could not link test program to Python On 17.12.2017 15:55, Duccio Aiazzi wrote:

...

Hello, I am following the instructions for the installation in a virtual environment. I run the command: ./configure --prefix=/usr/local/Cellar LDFLAGS="-L/usr/local/lib" I get the error “Could not link test program to Python” with the suggestion to pass LIBS or LDFLAGS variables. From the config.log gives the following error:

clang: error: no such file or directory: 'Python.framework/Versions/3.6/Python'

This error occurs in the following line, something to do with CoreFoundation:

configure:19079: gcc -o conftest -g -O2 -DNDEBUG

-I/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/include/python3.6m

...

-L/usr/local/lib -Wl,-stack_size,1000000 -framework CoreFoundation Python.framework/Versions/3.6/Python conftest.c -L/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.6/lib -lpython3.6m -ldl -framework CoreFoundation -ldl -framework CoreFoundation >&5

I have two questions: How can I pass the variable for this line? How can I find out what the right path is?

Please post the _complete_ output of configure and config.log, not only snippets, as they do not tell the whole story. Also, do not forget to tell us which OS you are using, as well as compiler, Python and boost versions.

(From the kind of error messages you show, I would venture this is related to the following homebrew bug: https://github.com/Homebrew/homebrew-core/issues/21212 )

Best, Tiago

-- Tiago de Paula Peixoto <tiago@skewed.de>

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