133 lines
5.0 KiB
Plaintext
133 lines
5.0 KiB
Plaintext
# Copyright 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# AM_PATH_PYTHON_VERSION(ABI-VERSION1, [MINIMUM-VERSION1 [, ABI-VERSION2, [MINIMUM-VERSION2 ...]]])
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#
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# An alternative to AM_PATH_PYTHON that checks for specific python ABI/version pairs.
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# Example:
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# AM_PATH_PYTHON_VERSION(2.3, 2.3.5, 2.4, 2.4.0)
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# checks for a python2.3 binary returning python version >= 2.3.5, and
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# if that fails it looks for python2.4 containing version >= 2.4.0
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# It aborts configure with an error if no statisfying version is found.
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# Env. var. PYTHON can be used to point a specific/laternate version to configure.
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AC_DEFUN([AM_PATH_PYTHON_VERSION],
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[
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m4_pattern_allow([m4_shift])
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_python_save="$PYTHON"
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dnl Find a Python interpreter with corresponding ABI version.
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m4_define(PYTHON_var, PYTHON[]m4_translit($1,[.],[_]))
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if test -z "$PYTHON"; then
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AC_PATH_PROG(PYTHON_var, python$1, [])
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else
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PYTHON_var="$PYTHON"
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fi
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PYTHON="$PYTHON_var"
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AC_SUBST(PYTHON)
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if test -n "$PYTHON"; then
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m4_if([$2],[],[
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], [
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dnl A version check is needed.
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AC_MSG_CHECKING([whether $PYTHON version is >= $2])
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AM_PYTHON_CHECK_VERSION([$PYTHON], [$2],
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[AC_MSG_RESULT(yes)],
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[AC_MSG_RESULT([no]); PYTHON=""])
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])
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fi
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if test -z "$PYTHON"; then
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dnl if more arguments, shift/recurse, else fail
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m4_if([$3],[],[
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AC_MSG_ERROR([no suitable Python interpreter found])
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], [
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PYTHON="$_python_save"
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AM_PATH_PYTHON_VERSION(m4_shift(m4_shift($@)))
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])
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else
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dnl Query Python for its version number. Getting [:3] seems to be
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dnl the best way to do this; it's what "site.py" does in the standard
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dnl library.
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AC_CACHE_CHECK([for $am_display_PYTHON version], [am_cv_python_version],
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[am_cv_python_version=`$PYTHON -c "import sys; print sys.version[[:3]]"`])
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AC_SUBST([PYTHON_VERSION], [$am_cv_python_version])
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dnl Use the values of $prefix and $exec_prefix for the corresponding
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dnl values of PYTHON_PREFIX and PYTHON_EXEC_PREFIX. These are made
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dnl distinct variables so they can be overridden if need be. However,
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dnl general consensus is that you shouldn't need this ability.
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AC_SUBST([PYTHON_PREFIX], ['${prefix}'])
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AC_SUBST([PYTHON_EXEC_PREFIX], ['${exec_prefix}'])
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dnl At times (like when building shared libraries) you may want
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dnl to know which OS platform Python thinks this is.
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AC_CACHE_CHECK([for $am_display_PYTHON platform], [am_cv_python_platform],
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[am_cv_python_platform=`$PYTHON -c "import sys; print sys.platform"`])
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AC_SUBST([PYTHON_PLATFORM], [$am_cv_python_platform])
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dnl Set up 4 directories:
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dnl pythondir -- where to install python scripts. This is the
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dnl site-packages directory, not the python standard library
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dnl directory like in previous automake betas. This behavior
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dnl is more consistent with lispdir.m4 for example.
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dnl Query distutils for this directory. distutils does not exist in
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dnl Python 1.5, so we fall back to the hardcoded directory if it
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dnl doesn't work.
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AC_CACHE_CHECK([for $am_display_PYTHON script directory],
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[am_cv_python_pythondir],
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[am_cv_python_pythondir=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_python_lib(0,0,prefix='$PYTHON_PREFIX')" 2>/dev/null ||
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echo "$PYTHON_PREFIX/lib/python$PYTHON_VERSION/site-packages"`])
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AC_SUBST([pythondir], [$am_cv_python_pythondir])
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dnl pkgpythondir -- $PACKAGE directory under pythondir. Was
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dnl PYTHON_SITE_PACKAGE in previous betas, but this naming is
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dnl more consistent with the rest of automake.
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AC_SUBST([pkgpythondir], [\${pythondir}/$PACKAGE])
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dnl pyexecdir -- directory for installing python extension modules
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dnl (shared libraries)
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dnl Query distutils for this directory. distutils does not exist in
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dnl Python 1.5, so we fall back to the hardcoded directory if it
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dnl doesn't work.
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AC_CACHE_CHECK([for $am_display_PYTHON extension module directory],
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[am_cv_python_pyexecdir],
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[am_cv_python_pyexecdir=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_python_lib(1,0,prefix='$PYTHON_EXEC_PREFIX')" 2>/dev/null ||
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echo "${PYTHON_EXEC_PREFIX}/lib/python${PYTHON_VERSION}/site-packages"`])
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AC_SUBST([pyexecdir], [$am_cv_python_pyexecdir])
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dnl pkgpyexecdir -- $(pyexecdir)/$(PACKAGE)
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AC_SUBST([pkgpyexecdir], [\${pyexecdir}/$PACKAGE])
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fi
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])
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