dnl Copyright (C) 2006-2016  CEA/DEN, EDF R&D
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
dnl
dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
dnl

dnl @synopsis AC_PYTHON_DEVEL()
dnl Checks for Python and tries to get the include path to 'Python.h'.
dnl It provides the $(PYTHON_CPPFLAGS) and $(PYTHON_LDFLAGS) output variable.
dnl @authors Sebastian Huber <address@hidden>, Alan W. Irwin
dnl <address@hidden>, Rafael Laboissiere <address@hidden> and
dnl Andrew Collier <address@hidden>.
dnl
AC_DEFUN([CHECK_PYTHON],[
	#
	# should allow for checking of python version here...
	#
	AC_REQUIRE([AM_PATH_PYTHON])

	case `uname -m` in
	   *64)  LIB="64" ;;
	   *)      LIB="" ;;
	esac

	# Check for Python include path
	AC_MSG_CHECKING([for Python include path])
	python_path=`echo $PYTHON | sed "s,/bin.*$,,"`
	for i in "$python_path/include/python$PYTHON_VERSION/" "$python_path/include/python/" "$python_path/" ; do
		python_path=`find $i -type f -name Python.h -print | sed "1q"`
		if test -n "$python_path" ; then
			break
		fi
	done
	python_path=`echo $python_path | sed "s,/Python.h$,,"`
	AC_MSG_RESULT([$python_path])
	if test -z "$python_path" ; then
		AC_MSG_ERROR([cannot find Python include path])
	fi
	AC_SUBST([PYTHON_CPPFLAGS],[-I$python_path])

	# Check for Python library path
	AC_MSG_CHECKING([for Python library path])
	python_path=`echo $PYTHON | sed "s,/bin.*$,,"`
	for i in "$python_path/lib${LIB}/python$PYTHON_VERSION/config/" "$python_path/lib${LIB}/python$PYTHON_VERSION/" "$python_path/lib{LIB}/python/config/" "$python_path/lib${LIB}/python/" "$python_path/" ; do
		python_path=`find $i -type f -name libpython$PYTHON_VERSION.* -print | sed "1q"`
		if test -n "$python_path" ; then
			break
		fi
	done
	python_path=`echo $python_path | sed "s,/libpython.*$,,"`
	AC_MSG_RESULT([$python_path])
	if test -z "$python_path" ; then
		AC_MSG_ERROR([cannot find Python library path])
	fi
	AC_SUBST([PYTHON_LDFLAGS],["-L$python_path -lpython$PYTHON_VERSION"])
	#
	python_site=`echo $python_path | sed "s/config/site-packages/"`
	AC_SUBST([PYTHON_SITE_PKG],[$python_site])
	#
	# libraries which must be linked in when embedding
	#
	AC_MSG_CHECKING(python extra libraries)
	PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
                conf = distutils.sysconfig.get_config_var; \
                print(conf('LOCALMODLIBS')+' '+conf('LIBS'))"
	AC_MSG_RESULT($PYTHON_EXTRA_LIBS)`
	AC_SUBST(PYTHON_EXTRA_LIBS)
])