120 lines
4.1 KiB
Plaintext
120 lines
4.1 KiB
Plaintext
AC_DEFUN([AC_PYTHON_DEVEL],[
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#
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# Allow the use of a (user set) custom python version
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#
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AC_ARG_VAR([PYTHON_VERSION],[The installed Python
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version to use, for example '2.3'. This string
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will be appended to the Python interpreter
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canonical name.])
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AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
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if test -z "$PYTHON"; then
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AC_MSG_ERROR([Cannot find python$PYTHON_VERSION in your system path])
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PYTHON_VERSION=""
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fi
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if test -z "$PYTHON_VERSION"; then
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PYTHON_VERSION=`$PYTHON -c "import sys; \
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print(sys.version.split()[[0]])"`
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fi
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#
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# Check if you have distutils, else fail
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#
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AC_MSG_CHECKING([for the distutils Python package])
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if ac_distutils_result=`$PYTHON -c "import distutils" 2>&1`; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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AC_MSG_ERROR([cannot import Python module "distutils".
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Please check your Python installation. The error was:
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$ac_distutils_result])
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PYTHON_VERSION=""
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fi
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#
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# Check for Python include path
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#
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AC_MSG_CHECKING([for Python include path])
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if test -z "$PYTHON_CPPFLAGS"; then
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python_path=`$PYTHON -c "import distutils.sysconfig; \
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print(distutils.sysconfig.get_python_inc());"`
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if test -n "${python_path}"; then
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python_path="-I$python_path"
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fi
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PYTHON_CPPFLAGS=$python_path
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fi
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AC_MSG_RESULT([$PYTHON_CPPFLAGS])
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AC_SUBST([PYTHON_CPPFLAGS])
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#
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# Check for Python library path
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#
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AC_MSG_CHECKING([for Python library path])
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if test -z "$PYTHON_LDFLAGS"; then
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PYTHON_LDFLAGS=`$PYTHON -c "from distutils.sysconfig import *; \
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print('-L'+get_config_var('LIBDIR')+' -L'+get_config_var('LIBDEST')+' '+get_config_var('BLDLIBRARY'));"`
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fi
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AC_MSG_RESULT([$PYTHON_LDFLAGS])
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AC_SUBST([PYTHON_LDFLAGS])
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if test -z "$PYTHON_LIBDIR"; then
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PYTHON_LIBDIR=`$PYTHON -c "from distutils.sysconfig import *; \
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print(get_config_var('LIBDIR'));"`
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fi
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#
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# Check for site packages
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#
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AC_MSG_CHECKING([for Python site-packages path])
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if test -z "$PYTHON_SITE_PKG"; then
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PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
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print(distutils.sysconfig.get_python_lib(1,0));"`
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fi
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AC_MSG_RESULT([$PYTHON_SITE_PKG])
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AC_SUBST([PYTHON_SITE_PKG])
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#
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# final check to see if everything compiles alright
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#
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AC_MSG_CHECKING([consistency of all components of python development environment])
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AC_LANG_PUSH([C])
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# save current global flags
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ac_save_LIBS="$LIBS"
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ac_save_CPPFLAGS="$CPPFLAGS"
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LIBS="$LIBS $PYTHON_LDFLAGS"
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CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
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AC_TRY_LINK([
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#include <Python.h>
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],[
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Py_Initialize();
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],[pythonexists=yes],[pythonexists=no])
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AC_MSG_RESULT([$pythonexists])
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if test ! "$pythonexists" = "yes"; then
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AC_MSG_ERROR([
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Could not link test program to Python. Maybe the main Python library has been
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installed in some non-standard library path. If so, pass it to configure,
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via the LDFLAGS environment variable.
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Example: ./configure LDFLAGS="-L/usr/non-standard-path/python/lib"
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============================================================================
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ERROR!
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You probably have to install the development version of the Python package
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for your distribution. The exact name of this package varies among them.
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============================================================================
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])
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PYTHON_VERSION=""
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fi
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AC_LANG_POP
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# turn back to default flags
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CPPFLAGS="$ac_save_CPPFLAGS"
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LIBS="$ac_save_LIBS"
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#
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# all done!
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#
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])
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