103 lines
3.1 KiB
Text
103 lines
3.1 KiB
Text
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dnl #
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dnl # ZFS_AC_PYTHON_VERSION(version, [action-if-true], [action-if-false])
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dnl #
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dnl # Verify Python version
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dnl #
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AC_DEFUN([ZFS_AC_PYTHON_VERSION], [
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ver_check=`$PYTHON -c "import sys; print (sys.version.split()[[0]] $1)"`
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AS_IF([test "$ver_check" = "True"], [
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m4_ifvaln([$2], [$2])
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], [
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m4_ifvaln([$3], [$3])
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])
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])
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dnl #
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dnl # ZFS_AC_PYTHON_MODULE(module_name, [action-if-true], [action-if-false])
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dnl #
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dnl # Checks for Python module. Freely inspired by AX_PYTHON_MODULE
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dnl # https://www.gnu.org/software/autoconf-archive/ax_python_module.html
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dnl # Required by ZFS_AC_CONFIG_ALWAYS_PYZFS.
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dnl #
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AC_DEFUN([ZFS_AC_PYTHON_MODULE], [
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PYTHON_NAME=`basename $PYTHON`
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AC_MSG_CHECKING([for $PYTHON_NAME module: $1])
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AS_IF([$PYTHON -c "import $1" 2>/dev/null], [
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AC_MSG_RESULT(yes)
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m4_ifvaln([$2], [$2])
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], [
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AC_MSG_RESULT(no)
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m4_ifvaln([$3], [$3])
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])
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])
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dnl #
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dnl # The majority of the python scripts are written to be compatible
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dnl # with Python 2.6 and Python 3.4. Therefore, they may be installed
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dnl # and used with either interpreter. This option is intended to
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dnl # to provide a method to specify the default system version, and
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dnl # set the PYTHON environment variable accordingly.
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYTHON], [
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AC_ARG_WITH([python],
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AC_HELP_STRING([--with-python[=VERSION]],
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[default system python version @<:@default=check@:>@]),
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[with_python=$withval],
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[with_python=check])
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AS_CASE([$with_python],
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[check],
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[AS_IF([test -x /usr/bin/python3],
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[PYTHON="python3"],
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[AS_IF([test -x /usr/bin/python2],
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[PYTHON="python2"],
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[PYTHON=""]
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)]
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)],
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[2*], [PYTHON="python${with_python}"],
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[*python2*], [PYTHON="${with_python}"],
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[3*], [PYTHON="python${with_python}"],
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[*python3*], [PYTHON="${with_python}"],
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[no], [PYTHON=""],
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[AC_MSG_ERROR([Unknown --with-python value '$with_python'])]
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)
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AS_IF([$PYTHON --version >/dev/null 2>&1], [ /bin/true ], [
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AC_MSG_ERROR([Cannot find $PYTHON in your system path])
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])
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AM_PATH_PYTHON([2.6], [], [:])
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AM_CONDITIONAL([USING_PYTHON], [test "$PYTHON" != :])
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AM_CONDITIONAL([USING_PYTHON_2], [test "${PYTHON_VERSION:0:2}" = "2."])
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AM_CONDITIONAL([USING_PYTHON_3], [test "${PYTHON_VERSION:0:2}" = "3."])
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dnl #
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dnl # Minimum supported Python versions for utilities:
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dnl # Python 2.6.x, or Python 3.4.x
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dnl #
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AS_IF([test "${PYTHON_VERSION:0:2}" = "2."], [
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ZFS_AC_PYTHON_VERSION([>= '2.6'], [ /bin/true ],
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[AC_MSG_ERROR("Python >= 2.6.x is not available")])
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])
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AS_IF([test "${PYTHON_VERSION:0:2}" = "3."], [
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ZFS_AC_PYTHON_VERSION([>= '3.4'], [ /bin/true ],
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[AC_MSG_ERROR("Python >= 3.4.x is not available")])
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])
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dnl #
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dnl # Request that packages be built for a specific Python version.
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dnl #
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AS_IF([test $with_python != check], [
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PYTHON_PKG_VERSION=`echo ${PYTHON} | tr -d 'a-zA-Z.'`
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DEFINE_PYTHON_PKG_VERSION='--define "__use_python_pkg_version '${PYTHON_PKG_VERSION}'"'
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DEFINE_PYTHON_VERSION='--define "__use_python '${PYTHON}'"'
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], [
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DEFINE_PYTHON_VERSION=''
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DEFINE_PYTHON_PKG_VERSION=''
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])
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AC_SUBST(DEFINE_PYTHON_VERSION)
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AC_SUBST(DEFINE_PYTHON_PKG_VERSION)
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])
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