Pycairo: can't find python devel header files?

Hello.

I have installed from scratch python 2.7 on my system with 'configure
--prefix=/usr --sysconfdir=/etc --localstatdir=/var; make; make
install'

Then I have tried to compile py2cairo-1.10.0 but I get an error:

# ./waf configure --prefix=/usr
  ./options()
Setting top to                           : /usr/local/testSpace/blueman/py2cairo-1.10.0 
Setting out to                           : /usr/local/testSpace/blueman/py2cairo-1.10.0/build_directory 
  ./configure()
Checking for 'gcc' (c compiler)          : ok 
Checking for program python              : /usr/bin/python 
Checking for python version              : (2, 7, 2, 'final', 0) 
Checking for library python2.7           : yes 
Checking for program python2.7-config    : /usr/bin/python2.7-config 
Checking for header Python.h             : Could not find the python development headers 
The configuration failed
(complete log in /usr/local/testSpace/blueman/py2cairo-1.10.0/build_directory/config.log)

The config.log file shows:

---------
Checking for header Python.h
==>

#ifdef __cplusplus
extern "C" {
#endif
        void Py_Initialize(void);
        void Py_Finalize(void);
#ifdef __cplusplus
}
#endif
int main()
{
   Py_Initialize();
   Py_Finalize();
   return 0;
}

<==
[1/2] ESC[32mc: build_directory/.conf_check_4655f12356c24d5ecc2679a5b579be45/test.c -> build_directory/.conf_check_4655f12356c24d5ecc2679a5b579be45/testbuild/test.c.0.o
ESC[0m
['/usr/bin/gcc', '-pthread', '-fno-strict-aliasing', '-fwrapv', '-fno-strict-aliasing', '-I/usr/include/python2.7', '-DPYTHONDIR="/usr/lib/python2.7/site-packages"', '-DPYTHONARCHDIR="[\'/usr/lib/python2.7/site-packages\']"', '-DNDEBUG', '../test.c', '-c', '-o', 'test.c.0.o']
[2/2] ESC[33mcprogram: build_directory/.conf_check_4655f12356c24d5ecc2679a5b579be45/testbuild/test.c.0.o -> build_directory/.conf_check_4655f12356c24d5ecc2679a5b579be45/testbuild/testprog
ESC[0m
['/usr/bin/gcc', 'test.c.0.o', '-o', '/usr/local/testSpace/blueman/py2cairo-1.10.0/build_directory/.conf_check_4655f12356c24d5ecc2679a5b579be45/testbuild/testprog', '-Wl,-Bstatic', '-Wl,-Bdynamic', '-lpython2.7', '-pthread']
err: /usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libpython2.7.a(posixmodule.o): In function `posix_tmpnam':
/home/fab/test/Python-2.7.2/./Modules/posixmodule.c:7370: warning: the use of `tmpnam_r' is dangerous, better use `mkstemp'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libpython2.7.a(posixmodule.o): In function `posix_tempnam':
/home/fab/test/Python-2.7.2/./Modules/posixmodule.c:7317: warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libpython2.7.a(signalmodule.o): In function `timeval_from_double':
/home/fab/test/Python-2.7.2/./Modules/signalmodule.c:112: undefined reference to `floor'
/home/fab/test/Python-2.7.2/./Modules/signalmodule.c:112: undefined reference to `floor'
/home/fab/test/Python-2.7.2/./Modules/signalmodule.c:113: undefined reference to `fmod'
/home/fab/test/Python-2.7.2/./Modules/signalmodule.c:113: undefined reference to `fmod'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libpython2.7.a(floatobject.o): In function `float_divmod':
/home/fab/test/Python-2.7.2/Objects/floatobject.c:750: undefined reference to `fmod'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libpython2.7.a(floatobject.o): In function `float_rem':
/home/fab/test/Python-2.7.2/Objects/floatobject.c:718: undefined reference to `fmod'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libpython2.7.a(floatobject.o): In function `float_pow':
/home/fab/test/Python-2.7.2/Objects/floatobject.c:912: undefined reference to `pow'
/home/fab/test/Python-2.7.2/Objects/floatobject.c:863: undefined reference to `fmod'
...snip...
from /usr/local/testSpace/blueman/py2cairo-1.10.0: Test does not build: Traceback (most recent call last):
  File "/usr/local/testSpace/blueman/py2cairo-1.10.0/.waf-1.6.3-3c3129a3ec8fb4a5bbc7ba3161463b22/waflib/Tools/c_config.py", line 435, in run_c_code
    bld.compile()
  File "/usr/local/testSpace/blueman/py2cairo-1.10.0/.waf-1.6.3-3c3129a3ec8fb4a5bbc7ba3161463b22/waflib/Build.py", line 193, in compile
    raise Errors.BuildError(self.producer.error)
BuildError: Build failed
 -> task failed (exit status 1): 
        {task 154509132: cprogram test.c.0.o -> testprog}
['/usr/bin/gcc', 'test.c.0.o', '-o', '/usr/local/testSpace/blueman/py2cairo-1.10.0/build_directory/.conf_check_4655f12356c24d5ecc2679a5b579be45/testbuild/testprog', '-Wl,-Bstatic', '-Wl,-Bdynamic', '-lpython2.7', '-pthread']

Could not find the python development headers
------------

so there is a problem with linking libm.

How can I add libm to the list of libraries to link against? I can't
modify the waf script since it is encoded?

Thanks.

-- 
F. Delente
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