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Python config cleanup
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
This commit is contained in:
Ryan Moeller
Brian Behlendorf
parent
7218b29e4b
commit
b1b4ac2708
@ -1,47 +1,3 @@
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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_VERSION_IS_2
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dnl # ZFS_AC_PYTHON_VERSION_IS_3
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dnl #
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dnl # Tests if the $PYTHON_VERSION matches 2.x or 3.x.
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dnl #
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AC_DEFUN([ZFS_AC_PYTHON_VERSION_IS_2],
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[test "${PYTHON_VERSION%%\.*}" = "2"])
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AC_DEFUN([ZFS_AC_PYTHON_VERSION_IS_3],
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[test "${PYTHON_VERSION%%\.*}" = "3"])
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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], [$3])
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])
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])
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dnl #
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dnl # The majority of the python scripts are written to be compatible
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dnl # with Python 2.6 and Python 3.4. Therefore, they may be installed
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@ -66,35 +22,38 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYTHON], [
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[AC_MSG_ERROR([Unknown --with-python value '$with_python'])]
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)
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AS_IF([test $PYTHON != :], [
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AS_IF([$PYTHON --version >/dev/null 2>&1],
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[AM_PATH_PYTHON([2.6], [], [:])],
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[AC_MSG_ERROR([Cannot find $PYTHON in your system path])]
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)
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])
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AM_CONDITIONAL([USING_PYTHON], [test "$PYTHON" != :])
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AM_CONDITIONAL([USING_PYTHON_2], [ZFS_AC_PYTHON_VERSION_IS_2])
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AM_CONDITIONAL([USING_PYTHON_3], [ZFS_AC_PYTHON_VERSION_IS_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 # Python 2.6 or Python 3.4
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dnl #
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AS_IF([ZFS_AC_PYTHON_VERSION_IS_2], [
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ZFS_AC_PYTHON_VERSION([>= '2.6'], [ true ],
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[AC_MSG_ERROR("Python >= 2.6.x is not available")])
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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_IF([ZFS_AC_PYTHON_VERSION_IS_3], [
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ZFS_AC_PYTHON_VERSION([>= '3.4'], [ true ],
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[AC_MSG_ERROR("Python >= 3.4.x is not available")])
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])
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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 $with_python != check], [
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PYTHON_PKG_VERSION=`echo ${PYTHON} | tr -d 'a-zA-Z.'`
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AS_IF([test "x$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 '${PYTHON}'"'
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], [
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@ -1,5 +1,24 @@
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dnl #
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dnl # Determines if pyzfs can be built, requires Python 2.7 or latter.
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dnl # ZFS_AC_PYTHON_MODULE(module_name, [action-if-true], [action-if-false])
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dnl #
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dnl # Checks for Python module. Freely inspired by AX_PYTHON_MODULE
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dnl # https://www.gnu.org/software/autoconf-archive/ax_python_module.html
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dnl # Required by ZFS_AC_CONFIG_ALWAYS_PYZFS.
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dnl #
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AC_DEFUN([ZFS_AC_PYTHON_MODULE], [
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PYTHON_NAME=$(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 # Determines if pyzfs can be built, requires Python 2.7 or later.
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dnl #
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AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
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AC_ARG_ENABLE([pyzfs],
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@ -18,7 +37,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
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DEFINE_PYZFS='--without pyzfs'
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])
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], [
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AS_IF([test $PYTHON != :], [
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AS_IF([test "$PYTHON" != :], [
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DEFINE_PYZFS=''
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], [
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enable_pyzfs=no
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@ -31,20 +50,16 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
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dnl # Require python-devel libraries
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dnl #
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AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [
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AS_IF([ZFS_AC_PYTHON_VERSION_IS_2], [
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PYTHON_REQUIRED_VERSION=">= '2.7.0'"
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], [
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AS_IF([ZFS_AC_PYTHON_VERSION_IS_3], [
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PYTHON_REQUIRED_VERSION=">= '3.4.0'"
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], [
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AC_MSG_ERROR("Python $PYTHON_VERSION unknown")
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])
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])
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AS_CASE([$PYTHON_VERSION],
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[3.*], [PYTHON_REQUIRED_VERSION=">= '3.4.0'"],
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[2.*], [PYTHON_REQUIRED_VERSION=">= '2.7.0'"],
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[AC_MSG_ERROR("Python $PYTHON_VERSION unknown")]
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)
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AX_PYTHON_DEVEL([$PYTHON_REQUIRED_VERSION], [
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AS_IF([test "x$enable_pyzfs" = xyes], [
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AC_MSG_ERROR("Python $PYTHON_REQUIRED_VERSION development library is not installed")
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], [test ! "x$enable_pyzfs" = xno], [
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], [test "x$enable_pyzfs" != xno], [
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enable_pyzfs=no
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])
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])
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@ -57,7 +72,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
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ZFS_AC_PYTHON_MODULE([setuptools], [], [
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AS_IF([test "x$enable_pyzfs" = xyes], [
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AC_MSG_ERROR("Python $PYTHON_VERSION setuptools is not installed")
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], [test ! "x$enable_pyzfs" = xno], [
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], [test "x$enable_pyzfs" != xno], [
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enable_pyzfs=no
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])
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])
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@ -70,7 +85,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
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ZFS_AC_PYTHON_MODULE([cffi], [], [
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AS_IF([test "x$enable_pyzfs" = xyes], [
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AC_MSG_ERROR("Python $PYTHON_VERSION cffi is not installed")
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], [test ! "x$enable_pyzfs" = xno], [
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], [test "x$enable_pyzfs" != xno], [
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enable_pyzfs=no
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])
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])
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@ -81,7 +96,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [
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dnl #
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AS_IF([test "x$enable_pyzfs" = xcheck], [enable_pyzfs=yes])
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AM_CONDITIONAL([PYZFS_ENABLED], [test x$enable_pyzfs = xyes])
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AM_CONDITIONAL([PYZFS_ENABLED], [test "x$enable_pyzfs" = xyes])
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AC_SUBST([PYZFS_ENABLED], [$enable_pyzfs])
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AC_SUBST(pythonsitedir, [$PYTHON_SITE_PKG])
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