2011/3/29 Tiago Peixoto [via Main discussion list for the graph-tool project] <[hidden email]>

Hi dd,

On 03/27/2011 11:09 PM, dd wrote:
> 3) now there is an interesting error. the following line of the file
> "configure" (the one generated by "autogen")
>
> if test "$ac_supports_python_ver != "True";
>
> does't work because my system sets the variable ac_supports_python_ver to
>
> $'True\r' (I don't know why...)

What is exactly the error that the configure scripts outputs when this
happens?

> and so a possible workaround is to substitute the line with
>
> if test $ac_supports_python_ver != $'True\r';

It is best not do modifiy the configure script like this, since the
behaviour can be unpredictable... You should modify configure.ac
instead, and run autogen.sh.

> 4) now I have the following error.
>
> configure: error:
> Could not link test program to Python. Maybe the main Python library has been
> installed in some non-standard library path. If so, pass it to configure,
> via the LDFLAGS environment variable.
> Example: ./configure LDFLAGS="-L/usr/non-standard-path/python/lib"
> ============================================================================
> ERROR!
> You probably have to install the development version of the Python package
> for your distribution. The exact name of this package varies among them.
> ============================================================================
In order to understand why errors like this happen, you should look at
the file config.log, which will say exactly why the test program did not
link with the python library.

> There is no file "conftest" in my folder... could it be a problem for
> the following instruction?
>
> ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'

I have no idea how the variables in the configure script are defined,
and what they mean... The configure script is not meant to be understood
by humans; it is automatically generated from configure.ac. Usually it
is possible to debug things by looking at config.log and modifying
configure.ac and/or the m4 macros.

Cheers,
Tiago

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Tiago de Paula Peixoto <[hidden email]>

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Tiago de Paula Peixoto <[hidden email]>

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