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8a7c4efd3c
Deprecation of Python versions below 3.6 gives opportunity to unify the build and install requirements for OpenZFS packages. The minimal supported Python version is 3.6 as this is the most recent Python package CentOS/RHEL 7 users can get. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Rich Ercolani <rincebrain@gmail.com> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Signed-off-by: szubersk <szuberskidamian@gmail.com> Closes #12925
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
dnl #
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dnl # The majority of the python scripts are written to be compatible
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dnl # with Python 3.6. 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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AS_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], [AC_CHECK_PROGS([PYTHON], [python3], [:])],
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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 '$with_python'])]
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)
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dnl #
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dnl # Minimum supported Python versions for utilities: Python 3.6
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dnl #
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AM_PATH_PYTHON([], [], [:])
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AS_IF([test -z "$PYTHON_VERSION"], [
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PYTHON_VERSION=$(echo ${PYTHON##*/} | tr -cd 0-9.)
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])
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PYTHON_MINOR=${PYTHON_VERSION#*\.}
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AS_CASE([$PYTHON_VERSION],
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[3.*], [
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AS_IF([test $PYTHON_MINOR -lt 6],
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[AC_MSG_ERROR("Python >= 3.6 is required")])
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],
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[:|2|3], [],
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[PYTHON_VERSION=3]
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)
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AM_CONDITIONAL([USING_PYTHON], [test "$PYTHON" != :])
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AC_SUBST([PYTHON_SHEBANG], [python3])
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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 "x$with_python" != xcheck], [
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PYTHON_PKG_VERSION=$(echo $PYTHON_VERSION | tr -d .)
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DEFINE_PYTHON_PKG_VERSION='--define "__use_python_pkg_version '${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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