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b1b4ac2708
Don't require Python at configure/build unless building pyzfs. Move ZFS_AC_PYTHON_MODULE to always-pyzfs.m4 where it is used. Make test syntax more consistent. Sponsored by: iXsystems, Inc. Reviewed-by: Neal Gompa <ngompa@datto.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #8895
67 lines
2.1 KiB
Plaintext
67 lines
2.1 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 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], [AC_CHECK_PROGS([PYTHON], [python3 python2], [:])],
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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 '$with_python'])]
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)
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dnl #
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dnl # Minimum supported Python versions for utilities:
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dnl # Python 2.6 or Python 3.4
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dnl #
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AM_PATH_PYTHON([], [], [:])
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AS_IF([test -z "$PYTHON_VERSION"], [
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PYTHON_VERSION=$(basename $PYTHON | tr -cd 0-9.)
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])
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PYTHON_MINOR=${PYTHON_VERSION#*\.}
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AS_CASE([$PYTHON_VERSION],
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[2.*], [
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AS_IF([test $PYTHON_MINOR -lt 6],
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[AC_MSG_ERROR("Python >= 2.6 is required")])
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],
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[3.*], [
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AS_IF([test $PYTHON_MINOR -lt 4],
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[AC_MSG_ERROR("Python >= 3.4 is required")])
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],
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[:|2|3], [],
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[PYTHON_VERSION=3]
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)
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AM_CONDITIONAL([USING_PYTHON], [test "$PYTHON" != :])
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AM_CONDITIONAL([USING_PYTHON_2], [test "x${PYTHON_VERSION%%\.*}" = x2])
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AM_CONDITIONAL([USING_PYTHON_3], [test "x${PYTHON_VERSION%%\.*}" = x3])
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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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