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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_python_config_var.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PYTHON_CONFIG_VAR(PYTHON_VARIABLE, [SHELL_VARIABLE])
# AX_PYTHON_CONFIG_H
# AX_PYTHON_MAKEFILE
#
# DESCRIPTION
#
# AX_PYTHON_CONFIG_VAR:
#
# Using the Python module distutils.sysconfig[1], return a Python
# configuration variable. PYTHON_VARIABLE is the name of the variable to
# request from Python, and SHELL_VARIABLE is the name of the shell
# variable into which the results should be deposited. If SHELL_VARIABLE
# is not specified, the macro will prefix PY_ to the PYTHON_VARIABLE,
# e.g., LIBS -> PY_LIBS.
#
# SHELL_VARIABLE is AC_SUBST'd. No action is taken if an error occurs.
# Note if $PYTHON is not set, AC_CHECK_PROG(PYTHON, python, python) will
# be run.
#
# Example:
#
# AX_PYTHON_CONFIG_VAR(LINKFORSHARED, PY_LFS)
#
# AX_PYTHON_CONFIG_H:
#
# Using the Python module distutils.sysconfig[1], put the full pathname of
# the config.h file used to compile Python into the shell variable
# PY_CONFIG_H. PY_CONFIG_H is AC_SUBST'd. Note if $PYTHON is not set,
# AC_CHECK_PROG(PYTHON, python, python) will be run.
#
# AX_PYTHON_MAKEFILE:
#
# Using the Python module distutils.sysconfig[1], put the full pathname of
# the Makefile file used to compile Python into the shell variable
# PY_MAKEFILE. PY_MAKEFILE is AC_SUBST'd. Note if $PYTHON is not set,
# AC_CHECK_PROG(PYTHON, python, python) will be run.
#
# [1]
# http://www.python.org/doc/current/dist/module-distutils.sysconfig.html
#
# LICENSE
#
# Copyright (c) 2008 Dustin J. Mitchell <dustin@cs.uchicago.edu>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 12
AC_DEFUN([AX_PYTHON_CONFIG_VAR],
[
AC_MSG_CHECKING(for Python config variable $1)
if test -z "$PYTHON"
then
AC_CHECK_PROG(PYTHON,python,python)
fi
py_error="no"
pyval=`$PYTHON -c "from distutils import sysconfig;dnl
print sysconfig.get_config_var('$1')"` || py_error="yes"
if test "$py_error" = "yes"
then
AC_MSG_RESULT(no - an error occurred)
else
AC_MSG_RESULT($pyval)
m4_ifval([$2],[$2],[PY_$1])="$pyval"
AC_SUBST(m4_ifval([$2],[$2],[PY_$1]))
fi
])
AC_DEFUN([AX_PYTHON_CONFIG_H],
[
AC_MSG_CHECKING(location of Python's config.h)
if test -z "$PYTHON"
then
AC_CHECK_PROG(PYTHON,python,python)
fi
py_error="no"
PY_CONFIG_H=`$PYTHON -c "from distutils import sysconfig;dnl
print sysconfig.get_config_h_filename()"` || py_error = "yes"
if test "$py_error" = "yes"
then
AC_MSG_RESULT(no - an error occurred)
else
AC_MSG_RESULT($PY_CONFIG_H)
AC_SUBST(PY_CONFIG_H)
fi
])
AC_DEFUN([AX_PYTHON_MAKEFILE],
[
AC_MSG_CHECKING(location of Python's Makefile)
if test -z "$PYTHON"
then
AC_CHECK_PROG(PYTHON,python,python)
fi
py_error="no"
PY_MAKEFILE=`$PYTHON -c "from distutils import sysconfig;dnl
print sysconfig.get_makefile_filename()"` || py_error = "yes"
if test "$py_error" = "yes"
then
AC_MSG_RESULT(no - an error occurred)
else
AC_MSG_RESULT($PY_MAKEFILE)
AC_SUBST(PY_MAKEFILE)
fi
])
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