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Note: Defines as a precious variable "PYTHON_VERSION". Don’t override it in your

This macro checks for Python and tries to get the include path to ’Python.h’. It provides the $(PYTHON_CPPFLAGS) and $(PYTHON_LIBS) output variables. It also exports $(PYTHON_EXTRA_LIBS) and $(PYTHON_EXTRA_LDFLAGS) for embedding Python in your code.

You can search for some particular version of Python by passing a parameter to this macro, for example ">= ’2.3.1’", or "== ’2.4’". Please note that you *have* to pass also an operator along with the version to match, and pay special attention to the single quotes surrounding the version number. Don’t use "PYTHON_VERSION" for this: that environment variable is declared as precious and thus reserved for the end-user.

This macro should work for all versions of Python >= 2.1.0. As an end user, you can disable the check for the python version by setting the PYTHON_NOVERSIONCHECK environment variable to something else than the empty string.

If you need to use this macro for an older Python version, please contact the authors. We’re always open for feedback.

Source Code

Download the latest version of ax_python_devel.m4 or browse the macro’s revision history.


Copyright © 2009 Sebastian Huber
Copyright © 2009 Alan W. Irwin
Copyright © 2009 Rafael Laboissiere
Copyright © 2009 Andrew Collier
Copyright © 2009 Matteo Settenvini
Copyright © 2009 Horst Knorr
Copyright © 2013 Daniel Mullner

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <>.

As a special exception, the respective Autoconf Macro’s copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts, even though portions of the text of the Macro appear in them. The GNU General Public License (GPL) does govern all other use of the material that constitutes the Autoconf Macro.

This special exception to the GPL applies to versions of the Autoconf Macro released by the Autoconf Archive. When you make and distribute a modified version of the Autoconf Macro, you may extend this special exception to the GPL to apply to your modified version as well.

Next: ax_python_embed, Previous: ax_python_config_var, Up: The Macros