problem with AM_PATH_PYTHON

[Václav Zeman]

Hi.

I am having a problem with AM_PATH_PYTHON. I have this in my configure.ac:


AS_IF([test "x$with_python" = "xyes"],
  [AM_PATH_PYTHON([2.3], [:], [:])
   AX_SWIG_PYTHON
   AC_CONFIG_FILES([swig/python/Makefile])])


The problem is that when I am cross compiling it ignores the if-block
and puts the code of AM_PATH_PYTHON outside. The configure process then
breaks like this:


configure: WARNING: using cross tools not prefixed with host triplet
checking pkg-config is at least version 0.9.0... yes
checking for python... /usr/bin/python
checking for a version of Python >= '2.1.0'... yes
checking for the distutils Python package... yes
checking for Python include path... -I/usr/include/python2.7
checking for Python library path... -L/usr/lib -lpython2.7
checking for Python site-packages path... /usr/lib/python2.7/dist-packages
checking python extra libraries... -lssl -lcrypto  -lssl -lcrypto     
-L/usr/lib -lz -lpthread -ldl  -lutil
checking python extra linking flags... -Xlinker -export-dynamic -Wl,-O1
-Wl,-Bsymbolic-functions
checking consistency of all components of python development
environment... no
configure: error: in
`/home/wilx/log4cplus-bzr/work-trunk/objdir-mips-linux-gnu':
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.
 
============================================================================

See `config.log' for more details


How can I change the configure.ac to make the Python checks be executed
only when my --with-python switch is really enabled.

I am not sure if this is a matter for for Automake mailing list or
Autoconf list.

-- 
VZ

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