spot/m4/pypath.m4
Alexandre Duret-Lutz a5f080338c Python 3.5 is now needed
* NEWS, README, HACKING, doc/org/install.org, m4/pypath.m4: Adjust.
2021-11-16 09:51:59 +01:00

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Text

AC_DEFUN([adl_CHECK_PYTHON],
[AM_PATH_PYTHON([3.5])
case $PYTHON in
[[\\/$]]* | ?:[[\\/]]* );;
*) AC_MSG_ERROR([The PYTHON variable must be set to an absolute filename.]);;
esac
AC_CACHE_CHECK([for $am_display_PYTHON includes directory],
[adl_cv_python_inc],
[adl_cv_python_inc=`$PYTHON -c "import sys; from distutils import sysconfig;]
[sys.stdout.write(sysconfig.get_python_inc())" 2>/dev/null`])
AC_CACHE_CHECK([for $am_display_PYTHON extension suffix],
[adl_cv_python_ext],
[adl_cv_python_ext=`$PYTHON -c "import importlib.machinery as i; print(i.EXTENSION_SUFFIXES[[0]])"`])
AC_SUBST([PYEXT], [${adl_cv_python_ext%.*}])
AC_SUBST([PYTHONINC], [$adl_cv_python_inc])
adl_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$adl_save_CPPFLAGS -I$PYTHONINC"
AC_CHECK_HEADERS([Python.h],,
[AC_MSG_ERROR([Python's development headers are not installed.
The package to install is often called python3-devel, but that name
might be different in your distribution. Note that if you do not plan
to use Spot's Python bindings, you may also disable their compilation
by running
./configure --disable-python
and in this case you do not need python3-devel installed.])])
CPPFLAGS=$adl_save_CPPFLAGS
])