1dnl # 2dnl # ZFS_AC_PYTHON_MODULE(module_name, [action-if-true], [action-if-false]) 3dnl # 4dnl # Checks for Python module. Freely inspired by AX_PYTHON_MODULE 5dnl # https://www.gnu.org/software/autoconf-archive/ax_python_module.html 6dnl # Required by ZFS_AC_CONFIG_ALWAYS_PYZFS. 7dnl # 8AC_DEFUN([ZFS_AC_PYTHON_MODULE], [ 9 PYTHON_NAME=${PYTHON##*/} 10 AC_MSG_CHECKING([for $PYTHON_NAME module: $1]) 11 AS_IF([$PYTHON -c "import $1" 2>/dev/null], [ 12 AC_MSG_RESULT(yes) 13 m4_ifvaln([$2], [$2]) 14 ], [ 15 AC_MSG_RESULT(no) 16 m4_ifvaln([$3], [$3]) 17 ]) 18]) 19 20dnl # 21dnl # Determines if pyzfs can be built, requires Python 2.7 or later. 22dnl # 23AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [ 24 AC_ARG_ENABLE([pyzfs], 25 AS_HELP_STRING([--enable-pyzfs], 26 [install libzfs_core python bindings @<:@default=check@:>@]), 27 [enable_pyzfs=$enableval], 28 [enable_pyzfs=check]) 29 30 dnl # 31 dnl # Packages for pyzfs specifically enabled/disabled. 32 dnl # 33 AS_IF([test "x$enable_pyzfs" != xcheck], [ 34 AS_IF([test "x$enable_pyzfs" = xyes], [ 35 DEFINE_PYZFS='--with pyzfs' 36 ], [ 37 DEFINE_PYZFS='--without pyzfs' 38 ]) 39 ], [ 40 AS_IF([test "$PYTHON" != :], [ 41 DEFINE_PYZFS='' 42 ], [ 43 enable_pyzfs=no 44 DEFINE_PYZFS='--without pyzfs' 45 ]) 46 ]) 47 AC_SUBST(DEFINE_PYZFS) 48 49 dnl # 50 dnl # Python "packaging" (or, failing that, "distlib") module is required to build and install pyzfs 51 dnl # 52 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 53 ZFS_AC_PYTHON_MODULE([packaging], [], [ 54 ZFS_AC_PYTHON_MODULE([distlib], [], [ 55 AS_IF([test "x$enable_pyzfs" = xyes], [ 56 AC_MSG_ERROR("Python $PYTHON_VERSION packaging and distlib modules are not installed") 57 ], [test "x$enable_pyzfs" != xno], [ 58 enable_pyzfs=no 59 ]) 60 ]) 61 ]) 62 ]) 63 64 dnl # 65 dnl # Require python-devel libraries 66 dnl # 67 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 68 AS_CASE([$PYTHON_VERSION], 69 [3.*], [PYTHON_REQUIRED_VERSION=">= '3.4.0'"], 70 [2.*], [PYTHON_REQUIRED_VERSION=">= '2.7.0'"], 71 [AC_MSG_ERROR("Python $PYTHON_VERSION unknown")] 72 ) 73 74 AX_PYTHON_DEVEL([$PYTHON_REQUIRED_VERSION], [ 75 AS_IF([test "x$enable_pyzfs" = xyes], [ 76 AC_MSG_ERROR("Python $PYTHON_REQUIRED_VERSION development library is not installed") 77 ], [test "x$enable_pyzfs" != xno], [ 78 enable_pyzfs=no 79 ]) 80 ]) 81 ]) 82 83 dnl # 84 dnl # Python "setuptools" module is required to build and install pyzfs 85 dnl # 86 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 87 ZFS_AC_PYTHON_MODULE([setuptools], [], [ 88 AS_IF([test "x$enable_pyzfs" = xyes], [ 89 AC_MSG_ERROR("Python $PYTHON_VERSION setuptools is not installed") 90 ], [test "x$enable_pyzfs" != xno], [ 91 enable_pyzfs=no 92 ]) 93 ]) 94 ]) 95 96 dnl # 97 dnl # Python "cffi" module is required to run pyzfs 98 dnl # 99 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 100 ZFS_AC_PYTHON_MODULE([cffi], [], [ 101 AS_IF([test "x$enable_pyzfs" = xyes], [ 102 AC_MSG_ERROR("Python $PYTHON_VERSION cffi is not installed") 103 ], [test "x$enable_pyzfs" != xno], [ 104 enable_pyzfs=no 105 ]) 106 ]) 107 ]) 108 109 dnl # 110 dnl # Set enable_pyzfs to 'yes' if every check passed 111 dnl # 112 AS_IF([test "x$enable_pyzfs" = xcheck], [enable_pyzfs=yes]) 113 114 AM_CONDITIONAL([PYZFS_ENABLED], [test "x$enable_pyzfs" = xyes]) 115 AC_SUBST([PYZFS_ENABLED], [$enable_pyzfs]) 116 AC_SUBST(pythonsitedir, [$PYTHON_SITE_PKG]) 117 118 AC_MSG_CHECKING([whether to enable pyzfs: ]) 119 AC_MSG_RESULT($enable_pyzfs) 120]) 121