michael@0: dnl This Source Code Form is subject to the terms of the Mozilla Public
michael@0: dnl License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: AC_DEFUN([MOZ_PYTHON],
michael@0: [
michael@0: 
michael@0: dnl We honor the Python path defined in an environment variable. This is used
michael@0: dnl to pass the virtualenv's Python from the main configure to SpiderMonkey's
michael@0: dnl configure, for example.
michael@0: if test -z "$PYTHON"; then
michael@0:   MOZ_PATH_PROGS(PYTHON, $PYTHON python2.7 python)
michael@0:   if test -z "$PYTHON"; then
michael@0:       AC_MSG_ERROR([python was not found in \$PATH])
michael@0:   fi
michael@0: else
michael@0:   AC_MSG_RESULT([Using Python from environment variable \$PYTHON])
michael@0: fi
michael@0: 
michael@0: _virtualenv_topsrcdir=
michael@0: _virtualenv_populate_path=
michael@0: 
michael@0: dnl If this is a mozilla-central, we'll find the virtualenv in the top
michael@0: dnl source directory. If this is a SpiderMonkey build, we assume we're at
michael@0: dnl js/src and try to find the virtualenv from the mozilla-central root.
michael@0: for base in $MOZILLA_CENTRAL_PATH $_topsrcdir $_topsrcdir/../..; do
michael@0:   possible=$base/python/mozbuild/mozbuild/virtualenv.py
michael@0: 
michael@0:   if test -e $possible; then
michael@0:     _virtualenv_topsrcdir=$base
michael@0:     _virtualenv_populate_path=$possible
michael@0:     break
michael@0:   fi
michael@0: done
michael@0: 
michael@0: if test -z $_virtualenv_populate_path; then
michael@0:     AC_MSG_ERROR([Unable to find Virtualenv population script. In order
michael@0: to build, you will need mozilla-central's virtualenv.
michael@0: 
michael@0: If you are building from a mozilla-central checkout, you should never see this
michael@0: message. If you are building from a source archive, the source archive was
michael@0: likely not created properly (it is missing the virtualenv files).
michael@0: 
michael@0: If you have a copy of mozilla-central available, define the
michael@0: MOZILLA_CENTRAL_PATH environment variable to the top source directory of
michael@0: mozilla-central and relaunch configure.])
michael@0: 
michael@0: fi
michael@0: 
michael@0: if test -z $DONT_POPULATE_VIRTUALENV; then
michael@0:   AC_MSG_RESULT([Creating Python environment])
michael@0:   dnl This verifies our Python version is sane and ensures the Python
michael@0:   dnl virtualenv is present and up to date. It sanitizes the environment
michael@0:   dnl for us, so we don't need to clean anything out.
michael@0:   $PYTHON $_virtualenv_populate_path \
michael@0:     $_virtualenv_topsrcdir $MOZ_BUILD_ROOT $MOZ_BUILD_ROOT/_virtualenv \
michael@0:     $_virtualenv_topsrcdir/build/virtualenv_packages.txt || exit 1
michael@0: 
michael@0:   case "$host_os" in
michael@0:   mingw*)
michael@0:     PYTHON=`cd $MOZ_BUILD_ROOT && pwd -W`/_virtualenv/Scripts/python.exe
michael@0:     ;;
michael@0:   *)
michael@0:     PYTHON=$MOZ_BUILD_ROOT/_virtualenv/bin/python
michael@0:     ;;
michael@0:   esac
michael@0: fi
michael@0: 
michael@0: AC_SUBST(PYTHON)
michael@0: 
michael@0: AC_MSG_CHECKING([Python environment is Mozilla virtualenv])
michael@0: $PYTHON -c "import mozbuild.base"
michael@0: if test "$?" != 0; then
michael@0:     AC_MSG_ERROR([Python environment does not appear to be sane.])
michael@0: fi
michael@0: AC_MSG_RESULT([yes])
michael@0: 
michael@0: PYTHON_SITE_PACKAGES=`$PYTHON -c "import distutils.sysconfig; print distutils.sysconfig.get_python_lib()"`
michael@0: if test -z "$PYTHON_SITE_PACKAGES"; then
michael@0:     AC_MSG_ERROR([Could not determine python site packages directory.])
michael@0: fi
michael@0: AC_SUBST([PYTHON_SITE_PACKAGES])
michael@0: 
michael@0: ])
michael@0: