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], [$3]) 17 ]) 18]) 19 20dnl # 21dnl # Determines if pyzfs can be built, requires Python 3.6 or later. 22dnl # 23AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_PYZFS], [ 24 AC_ARG_ENABLE([pyzfs], 25 AS_HELP_STRING([--enable-pyzfs], 26 [install libzfs_core python bindings @<:@default=check@:>@]), 27 [enable_pyzfs=$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 "$PYTHON" != :], [ 41 DEFINE_PYZFS='' 42 ], [ 43 enable_pyzfs=no 44 DEFINE_PYZFS='--without pyzfs' 45 ]) 46 ]) 47 AC_SUBST(DEFINE_PYZFS) 48 49 dnl # 50 dnl # Autodetection disables pyzfs if kernel or srpm config 51 dnl # 52 AS_IF([test "x$enable_pyzfs" = xcheck], [ 53 AS_IF([test "x$ZFS_CONFIG" = xkernel -o "x$ZFS_CONFIG" = xsrpm ], [ 54 enable_pyzfs=no 55 AC_MSG_NOTICE([Disabling pyzfs for kernel/srpm config]) 56 ]) 57 ]) 58 59 dnl # 60 dnl # Python "packaging" (or, failing that, "distlib") module is required to build and install pyzfs 61 dnl # 62 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 63 ZFS_AC_PYTHON_MODULE([packaging], [], [ 64 ZFS_AC_PYTHON_MODULE([distlib], [], [ 65 AS_IF([test "x$enable_pyzfs" = xyes], [ 66 AC_MSG_ERROR("Python $PYTHON_VERSION packaging and distlib modules are not installed") 67 ], [test "x$enable_pyzfs" != xno], [ 68 enable_pyzfs=no 69 ]) 70 ]) 71 ]) 72 ]) 73 74 dnl # 75 dnl # Require python3-devel libraries 76 dnl # 77 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 78 AS_CASE([$PYTHON_VERSION], 79 [3.*], [PYTHON_REQUIRED_VERSION=">= '3.6.0'"], 80 [AC_MSG_ERROR("Python $PYTHON_VERSION unknown")] 81 ) 82 83 AX_PYTHON_DEVEL([$PYTHON_REQUIRED_VERSION], [ 84 AS_IF([test "x$enable_pyzfs" = xyes], [ 85 AC_MSG_ERROR("Python $PYTHON_REQUIRED_VERSION development library is not installed") 86 ], [test "x$enable_pyzfs" != xno], [ 87 enable_pyzfs=no 88 ]) 89 ]) 90 ]) 91 92 dnl # 93 dnl # Python "setuptools" module is required to build and install pyzfs 94 dnl # 95 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 96 ZFS_AC_PYTHON_MODULE([setuptools], [], [ 97 AS_IF([test "x$enable_pyzfs" = xyes], [ 98 AC_MSG_ERROR("Python $PYTHON_VERSION setuptools is not installed") 99 ], [test "x$enable_pyzfs" != xno], [ 100 enable_pyzfs=no 101 ]) 102 ]) 103 ]) 104 105 dnl # 106 dnl # Python "cffi" module is required to run pyzfs 107 dnl # 108 AS_IF([test "x$enable_pyzfs" = xcheck -o "x$enable_pyzfs" = xyes], [ 109 ZFS_AC_PYTHON_MODULE([cffi], [], [ 110 AS_IF([test "x$enable_pyzfs" = xyes], [ 111 AC_MSG_ERROR("Python $PYTHON_VERSION cffi is not installed") 112 ], [test "x$enable_pyzfs" != xno], [ 113 enable_pyzfs=no 114 ]) 115 ]) 116 ]) 117 118 dnl # 119 dnl # Set enable_pyzfs to 'yes' if every check passed 120 dnl # 121 AS_IF([test "x$enable_pyzfs" = xcheck], [enable_pyzfs=yes]) 122 123 AM_CONDITIONAL([PYZFS_ENABLED], [test "x$enable_pyzfs" = xyes]) 124 AC_SUBST([PYZFS_ENABLED], [$enable_pyzfs]) 125 AC_SUBST(pythonsitedir, [$PYTHON_SITE_PKG]) 126 127 AC_MSG_CHECKING([whether to enable pyzfs: ]) 128 AC_MSG_RESULT($enable_pyzfs) 129]) 130