1dnl # 2dnl # check if kernel provides definitions for given types 3dnl # 4 5dnl _ZFS_AC_KERNEL_SRC_TYPE(type) 6AC_DEFUN([_ZFS_AC_KERNEL_SRC_TYPE], [ 7 ZFS_LINUX_TEST_SRC([type_$1], [ 8 #include <linux/types.h> 9 ],[ 10 const $1 __attribute__((unused)) x = ($1) 0; 11 ]) 12]) 13 14dnl _ZFS_AC_KERNEL_TYPE(type) 15AC_DEFUN([_ZFS_AC_KERNEL_TYPE], [ 16 AC_MSG_CHECKING([whether kernel defines $1]) 17 ZFS_LINUX_TEST_RESULT([type_$1], [ 18 AC_MSG_RESULT([yes]) 19 AC_DEFINE([HAVE_KERNEL_]m4_quote(m4_translit([$1], [a-z], [A-Z])), 20 1, [kernel defines $1]) 21 ], [ 22 AC_MSG_RESULT([no]) 23 ]) 24]) 25 26dnl ZFS_AC_KERNEL_TYPES([types...]) 27AC_DEFUN([ZFS_AC_KERNEL_TYPES], [ 28 AC_DEFUN([ZFS_AC_KERNEL_SRC_TYPES], [ 29 m4_foreach_w([type], [$1], [ 30 _ZFS_AC_KERNEL_SRC_TYPE(type) 31 ]) 32 ]) 33 AC_DEFUN([ZFS_AC_KERNEL_TYPES], [ 34 m4_foreach_w([type], [$1], [ 35 _ZFS_AC_KERNEL_TYPE(type) 36 ]) 37 ]) 38]) 39 40ZFS_AC_KERNEL_TYPES([intptr_t]) 41