-AC_DEFUN(LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, [
-AC_MSG_CHECKING(for i_dirty_data_buffers in struct inode)
-save_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
-AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers,
-[
-AC_TRY_COMPILE(
+AC_DEFUN([LINUX_CONFIG_H_EXISTS], [
+ AC_MSG_CHECKING([for linux/config.h existance])
+ AC_CACHE_VAL([ac_cv_linux_config_h_exists], [
+ AC_TRY_KBUILD(
+[#include <linux/config.h>],
+[return;],
+ ac_cv_linux_config_h_exists=yes,
+ ac_cv_linux_config_h_exists=no)])
+ AC_MSG_RESULT($ac_cv_linux_config_h_exists)
+ if test "x$ac_cv_linux_config_h_exists" = "xyes"; then
+ AC_DEFINE([CONFIG_H_EXISTS], 1, [define if linux/config.h exists])
+ fi])
+
+
+AC_DEFUN([LINUX_COMPLETION_H_EXISTS], [
+ AC_MSG_CHECKING([for linux/completion.h existance])
+ AC_CACHE_VAL([ac_cv_linux_completion_h_exists], [
+ AC_TRY_KBUILD(
+[#include <linux/version.h>
+#include <linux/completion.h>],
+[struct completion _c;
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,8)
+lose
+#endif],
+ ac_cv_linux_completion_h_exists=yes,
+ ac_cv_linux_completion_h_exists=no)])
+ AC_MSG_RESULT($ac_cv_linux_completion_h_exists)])
+
+
+AC_DEFUN([LINUX_DEFINES_FOR_EACH_PROCESS], [
+ AC_MSG_CHECKING([for defined for_each_process])
+ AC_CACHE_VAL([ac_cv_linux_defines_for_each_process], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[#ifndef for_each_process
+#error for_each_process not defined
+#endif],
+ ac_cv_linux_defines_for_each_process=yes,
+ ac_cv_linux_defines_for_each_process=no)])
+ AC_MSG_RESULT($ac_cv_linux_defines_for_each_process)])
+
+
+AC_DEFUN([LINUX_DEFINES_PREV_TASK], [
+ AC_MSG_CHECKING([for defined prev_task])
+ AC_CACHE_VAL([ac_cv_linux_defines_prev_task], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[#ifndef prev_task
+#error prev_task not defined
+#endif],
+ ac_cv_linux_defines_prev_task=yes,
+ ac_cv_linux_defines_prev_task=no)])
+ AC_MSG_RESULT($ac_cv_linux_defines_prev_task)])
+
+
+AC_DEFUN([LINUX_EXPORTS_INIT_MM], [
+ AC_MSG_CHECKING([for exported init_mm])
+ AC_CACHE_VAL([ac_cv_linux_exports_init_mm], [
+ AC_TRY_KBUILD(
+[#include <linux/modversions.h>],
+[#ifndef __ver_init_mm
+#error init_mm not exported
+#endif],
+ ac_cv_linux_exports_init_mm=yes,
+ ac_cv_linux_exports_init_mm=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_init_mm)])
+
+
+AC_DEFUN([LINUX_EXPORTS_KALLSYMS_ADDRESS], [
+ AC_MSG_CHECKING([for exported kallsyms_address_to_symbol])
+ AC_CACHE_VAL([ac_cv_linux_exports_kallsyms_address], [
+ AC_TRY_KBUILD(
+[#include <linux/modversions.h>],
+[#ifndef __ver_kallsyms_address_to_symbol
+#error kallsyms_address_to_symbol not exported
+#endif],
+ ac_cv_linux_exports_kallsyms_address=yes,
+ ac_cv_linux_exports_kallsyms_address=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_kallsyms_address)])
+
+
+AC_DEFUN([LINUX_EXPORTS_KALLSYMS_SYMBOL], [
+ AC_MSG_CHECKING([for exported kallsyms_symbol_to_address])
+ AC_CACHE_VAL([ac_cv_linux_exports_kallsyms_symbol], [
+ AC_TRY_KBUILD(
+[#include <linux/modversions.h>],
+[#ifndef __ver_kallsyms_symbol_to_address
+#error kallsyms_symbol_to_address not exported
+#endif],
+ ac_cv_linux_exports_kallsyms_symbol=yes,
+ ac_cv_linux_exports_kallsyms_symbol=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_kallsyms_symbol)])
+
+AC_DEFUN([LINUX_EXPORTS_SYS_CALL_TABLE], [
+ AC_MSG_CHECKING([for exported sys_call_table])
+ AC_CACHE_VAL([ac_cv_linux_exports_sys_call_table], [
+ AC_TRY_KBUILD(
+[#include <linux/modversions.h>],
+[#ifndef __ver_sys_call_table
+#error sys_call_table not exported
+#endif],
+ ac_cv_linux_exports_sys_call_table=yes,
+ ac_cv_linux_exports_sys_call_table=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_sys_call_table)])
+
+
+AC_DEFUN([LINUX_EXPORTS_IA32_SYS_CALL_TABLE], [
+ AC_MSG_CHECKING([for exported ia32_sys_call_table])
+ AC_CACHE_VAL([ac_cv_linux_exports_ia32_sys_call_table], [
+ AC_TRY_KBUILD(
+[#include <linux/modversions.h>],
+[#ifndef __ver_ia32_sys_call_table
+#error ia32_sys_call_table not exported
+#endif],
+ ac_cv_linux_exports_ia32_sys_call_table=yes,
+ ac_cv_linux_exports_ia32_sys_call_table=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_ia32_sys_call_table)])
+
+
+AC_DEFUN([LINUX_EXPORTS_SYS_CHDIR], [
+ AC_MSG_CHECKING([for exported sys_chdir])
+ AC_CACHE_VAL([ac_cv_linux_exports_sys_chdir], [
+ AC_TRY_KBUILD(
+[extern asmlinkage long sys_chdir(void) __attribute__((weak));],
+[void *address = &sys_chdir;
+printk("%p\n", address);],
+ ac_cv_linux_exports_sys_chdir=yes,
+ ac_cv_linux_exports_sys_chdir=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_sys_chdir)])
+
+
+AC_DEFUN([LINUX_EXPORTS_SYS_CLOSE], [
+ AC_MSG_CHECKING([for exported sys_close])
+ AC_CACHE_VAL([ac_cv_linux_exports_sys_close], [
+ AC_TRY_KBUILD(
+[extern asmlinkage long sys_close(void) __attribute__((weak));],
+[void *address = &sys_close;
+printk("%p\n", address);],
+ ac_cv_linux_exports_sys_close=yes,
+ ac_cv_linux_exports_sys_close=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_sys_close)])
+
+
+AC_DEFUN([LINUX_EXPORTS_SYS_OPEN], [
+ AC_MSG_CHECKING([for exported sys_open])
+ AC_CACHE_VAL([ac_cv_linux_exports_sys_open], [
+ AC_TRY_KBUILD(
+[extern asmlinkage long sys_open(void) __attribute__((weak));],
+[void *address = &sys_open;
+printk("%p\n", address);],
+ ac_cv_linux_exports_sys_open=yes,
+ ac_cv_linux_exports_sys_open=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_sys_open)])
+
+
+AC_DEFUN([LINUX_EXPORTS_SYS_WAIT4], [
+ AC_MSG_CHECKING([for exported sys_wait4])
+ AC_CACHE_VAL([ac_cv_linux_exports_sys_wait4], [
+ AC_TRY_KBUILD(
+[extern asmlinkage long sys_wait4(void) __attribute__((weak));],
+[void *address = &sys_wait4;
+printk("%p\n", address);],
+ ac_cv_linux_exports_sys_wait4=yes,
+ ac_cv_linux_exports_sys_wait4=no)])
+ AC_MSG_RESULT($ac_cv_linux_exports_sys_wait4)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE], [
+ AC_MSG_CHECKING([for i_blksize in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_blksize], [
+ AC_TRY_KBUILD(
[#include <linux/fs.h>],
[struct inode _inode;
-printf("%d\n", _inode.i_dirty_data_buffers);],
-ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers=yes,
-ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers=no)])
-AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers)
-CPPFLAGS="$save_CPPFLAGS"])
+printk("%d\n", _inode.i_blksize);],
+ ac_cv_linux_fs_struct_inode_has_i_blksize=yes,
+ ac_cv_linux_fs_struct_inode_has_i_blksize=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_blksize)])
-AC_DEFUN(LINUX_FS_STRUCT_INODE_HAS_I_MAPPING_OVERLOAD, [
-AC_MSG_CHECKING(for i_mapping_overload in struct inode)
-save_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
-AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_mapping_overload,
-[
-AC_TRY_COMPILE(
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS], [
+ AC_MSG_CHECKING([for i_blkbits in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_blkbits], [
+ AC_TRY_KBUILD(
[#include <linux/fs.h>],
[struct inode _inode;
-printf("%d\n", _inode.i_mapping_overload);],
-ac_cv_linux_fs_struct_inode_has_i_mapping_overload=yes,
-ac_cv_linux_fs_struct_inode_has_i_mapping_overload=no)])
-AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_mapping_overload)
-CPPFLAGS="$save_CPPFLAGS"])
+printk("%d\n", _inode.i_blkbits);],
+ ac_cv_linux_fs_struct_inode_has_i_blkbits=yes,
+ ac_cv_linux_fs_struct_inode_has_i_blkbits=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_blkbits)
+ if test "x$ac_cv_linux_fs_struct_inode_has_i_blkbits" = "xyes"; then
+ AC_DEFINE(STRUCT_INODE_HAS_I_BLKBITS, 1, [define if your struct inode has i_blkbits])
+ fi])
-AC_DEFUN(LINUX_FS_STRUCT_INODE_HAS_I_CDEV, [
-AC_MSG_CHECKING(for i_cdev in struct inode)
-save_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
-AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_cdev,
-[
-AC_TRY_COMPILE(
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_CDEV], [
+ AC_MSG_CHECKING([for i_cdev in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_cdev], [
+ AC_TRY_KBUILD(
[#include <linux/fs.h>],
[struct inode _inode;
-printf("%d\n", _inode.i_cdev);],
-ac_cv_linux_fs_struct_inode_has_i_cdev=yes,
-ac_cv_linux_fs_struct_inode_has_i_cdev=no)])
-AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_cdev)
-CPPFLAGS="$save_CPPFLAGS"])
+printk("%d\n", _inode.i_cdev);],
+ ac_cv_linux_fs_struct_inode_has_i_cdev=yes,
+ ac_cv_linux_fs_struct_inode_has_i_cdev=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_cdev)])
-AC_DEFUN(LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM, [
-AC_MSG_CHECKING(for i_truncate_sem in struct inode)
-save_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
-AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_truncate_sem,
-[
-AC_TRY_COMPILE(
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_DEVICES], [
+ AC_MSG_CHECKING([for i_devices in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_devices], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_devices);],
+ ac_cv_linux_fs_struct_inode_has_i_devices=yes,
+ ac_cv_linux_fs_struct_inode_has_i_devices=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_devices)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS], [
+ AC_MSG_CHECKING([for i_dirty_data_buffers in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_dirty_data_buffers);],
+ ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers=yes,
+ ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK], [
+ AC_MSG_CHECKING([for inotify_lock in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_inotify_lock], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.inotify_lock);],
+ ac_cv_linux_fs_struct_inode_has_inotify_lock=yes,
+ ac_cv_linux_fs_struct_inode_has_inotify_lock=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_inotify_lock)])
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM], [
+ AC_MSG_CHECKING([for inotify_sem in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_inotify_sem], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%x\n", _inode.inotify_sem);],
+ ac_cv_linux_fs_struct_inode_has_inotify_sem=yes,
+ ac_cv_linux_fs_struct_inode_has_inotify_sem=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_inotify_sem)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_MAPPING_OVERLOAD], [
+ AC_MSG_CHECKING([for i_mapping_overload in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_mapping_overload], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_mapping_overload);],
+ ac_cv_linux_fs_struct_inode_has_i_mapping_overload=yes,
+ ac_cv_linux_fs_struct_inode_has_i_mapping_overload=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_mapping_overload)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED], [
+ AC_MSG_CHECKING([for i_mmap_shared in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_mmap_shared], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_mmap_shared);],
+ ac_cv_linux_fs_struct_inode_has_i_mmap_shared=yes,
+ ac_cv_linux_fs_struct_inode_has_i_mmap_shared=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_mmap_shared)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_MUTEX], [
+ AC_MSG_CHECKING([for i_mutex in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_mutex], [
+ AC_TRY_KBUILD(
[#include <linux/fs.h>],
[struct inode _inode;
-printf("%d\n", _inode.i_truncate_sem);],
-ac_cv_linux_fs_struct_inode_has_i_truncate_sem=yes,
-ac_cv_linux_fs_struct_inode_has_i_truncate_sem=no)])
-AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_truncate_sem)
-CPPFLAGS="$save_CPPFLAGS"])
+printk("%d\n", _inode.i_mutex);],
+ ac_cv_linux_fs_struct_inode_has_i_mutex=yes,
+ ac_cv_linux_fs_struct_inode_has_i_mutex=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_mutex)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_SECURITY], [
+ AC_MSG_CHECKING([for i_security in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_security], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_security);],
+ ac_cv_linux_fs_struct_inode_has_i_security=yes,
+ ac_cv_linux_fs_struct_inode_has_i_security=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_security)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST], [
+ AC_MSG_CHECKING([for i_sb_list in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_sb_list], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_sb_list);],
+ ac_cv_linux_fs_struct_inode_has_i_sb_list=yes,
+ ac_cv_linux_fs_struct_inode_has_i_sb_list=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_sb_list)])
+
+
+AC_DEFUN([LINUX_RECALC_SIGPENDING_ARG_TYPE], [
+ AC_MSG_CHECKING([for recalc_sigpending arg type])
+ AC_CACHE_VAL([ac_cv_linux_func_recalc_sigpending_takes_void], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[recalc_sigpending();],
+ ac_cv_linux_func_recalc_sigpending_takes_void=yes,
+ ac_cv_linux_func_recalc_sigpending_takes_void=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_recalc_sigpending_takes_void)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT], [
+ AC_MSG_CHECKING([for parent in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_parent], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.parent);],
+ ac_cv_linux_sched_struct_task_struct_has_parent=yes,
+ ac_cv_linux_sched_struct_task_struct_has_parent=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_parent)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT], [
+ AC_MSG_CHECKING([for real_parent in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_real_parent], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.real_parent);],
+ ac_cv_linux_sched_struct_task_struct_has_real_parent=yes,
+ ac_cv_linux_sched_struct_task_struct_has_real_parent=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_real_parent)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG], [
+ AC_MSG_CHECKING([for sig in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_sig], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.sig);],
+ ac_cv_linux_sched_struct_task_struct_has_sig=yes,
+ ac_cv_linux_sched_struct_task_struct_has_sig=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_sig)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK], [
+ AC_MSG_CHECKING([for sigmask_lock in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_sigmask_lock], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.sigmask_lock);],
+ ac_cv_linux_sched_struct_task_struct_has_sigmask_lock=yes,
+ ac_cv_linux_sched_struct_task_struct_has_sigmask_lock=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_sigmask_lock)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND], [
+ AC_MSG_CHECKING([for sighand in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_sighand], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.sighand);],
+ ac_cv_linux_sched_struct_task_struct_has_sighand=yes,
+ ac_cv_linux_sched_struct_task_struct_has_sighand=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_sighand)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM], [
+ AC_MSG_CHECKING([for rlim in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_rlim], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.rlim);],
+ ac_cv_linux_sched_struct_task_struct_has_rlim=yes,
+ ac_cv_linux_sched_struct_task_struct_has_rlim=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_rlim)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM], [
+ AC_MSG_CHECKING([for signal->rlim in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_signal_rlim], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.signal->rlim);],
+ ac_cv_linux_sched_struct_task_struct_has_signal_rlim=yes,
+ ac_cv_linux_sched_struct_task_struct_has_signal_rlim=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_signal_rlim)])
+
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE], [
+ AC_MSG_CHECKING([for exit_state in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_exit_state], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.exit_state);],
+ ac_cv_linux_sched_struct_task_struct_has_exit_state=yes,
+ ac_cv_linux_sched_struct_task_struct_has_exit_state=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_exit_state)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE], [
+ AC_MSG_CHECKING([for alloc_inode in struct super_operations])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_super_has_alloc_inode], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct super_operations _super;
+printk("%p\n", _super.alloc_inode);],
+ ac_cv_linux_fs_struct_super_has_alloc_inode=yes,
+ ac_cv_linux_fs_struct_super_has_alloc_inode=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_super_has_alloc_inode)])
+
+
+AC_DEFUN([LINUX_KERNEL_SOCK_CREATE], [
+ AC_MSG_CHECKING([for 5th argument in sock_create found in some SELinux kernels])
+ AC_CACHE_VAL([ac_cv_linux_kernel_sock_create_v], [
+ AC_TRY_KBUILD(
+[#include <linux/net.h>],
+[sock_create(0,0,0,0,0);],
+ ac_cv_linux_kernel_sock_create_v=yes,
+ ac_cv_linux_kernel_sock_create_v=no)])
+ AC_MSG_RESULT($ac_cv_linux_kernel_sock_create_v)])
+
+
+AC_DEFUN([LINUX_KERNEL_PAGE_FOLLOW_LINK], [
+ AC_MSG_CHECKING([for page_follow_link_light vs page_follow_link])
+ AC_CACHE_VAL([ac_cv_linux_kernel_page_follow_link], [
+ save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[page_follow_link(0,0);],
+ ac_cv_linux_kernel_page_follow_link=yes,
+ ac_cv_linux_kernel_page_follow_link=no)
+ CPPFLAGS="$save_CPPFLAGS"])
+ AC_MSG_RESULT($ac_cv_linux_kernel_page_follow_link)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK], [
+ AC_MSG_CHECKING([for gfp_mask in struct address_space])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_address_space_has_gfp_mask], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct address_space _a;
+printk("%d\n", _a.gfp_mask);],
+ ac_cv_linux_fs_struct_address_space_has_gfp_mask=yes,
+ ac_cv_linux_fs_struct_address_space_has_gfp_mask=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_address_space_has_gfp_mask)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_BYTES], [
+ AC_MSG_CHECKING([for i_bytes in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_bytes], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printk("%d\n", _inode.i_bytes);],
+ ac_cv_linux_fs_struct_inode_has_i_bytes=yes,
+ ac_cv_linux_fs_struct_inode_has_i_bytes=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_bytes)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM], [
+ AC_MSG_CHECKING([for i_alloc_sem in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_alloc_sem], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _i;
+printk("%x\n", _i.i_alloc_sem);],
+ ac_cv_linux_fs_struct_inode_has_i_alloc_sem=yes,
+ ac_cv_linux_fs_struct_inode_has_i_alloc_sem=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_alloc_sem)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM], [
+ AC_MSG_CHECKING([for i_truncate_sem in struct inode])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_truncate_sem], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _i;
+printk("%x\n", _i.i_truncate_sem);],
+ ac_cv_linux_fs_struct_inode_has_i_truncate_sem=yes,
+ ac_cv_linux_fs_struct_inode_has_i_truncate_sem=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_truncate_sem)])
+
+
+AC_DEFUN([LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK], [
+ AC_MSG_CHECKING([for page_lock in struct address_space])
+ AC_CACHE_VAL([ac_cv_linux_fs_struct_address_space_has_page_lock], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct address_space _a_s;
+printk("%x\n", _a_s.page_lock);],
+ ac_cv_linux_fs_struct_address_space_has_page_lock=yes,
+ ac_cv_linux_fs_struct_address_space_has_page_lock=no)])
+ AC_MSG_RESULT($ac_cv_linux_fs_struct_address_space_has_page_lock)])
+
+
+AC_DEFUN([LINUX_INODE_SETATTR_RETURN_TYPE], [
+ AC_MSG_CHECKING([for inode_setattr return type])
+ AC_CACHE_VAL([ac_cv_linux_func_inode_setattr_returns_int], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+struct iattr _iattr;
+int i;
+i = inode_setattr(&_inode, &_iattr);],
+ ac_cv_linux_func_inode_setattr_returns_int=yes,
+ ac_cv_linux_func_inode_setattr_returns_int=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_inode_setattr_returns_int)])
+
+
+AC_DEFUN([LINUX_WRITE_INODE_RETURN_TYPE], [
+ AC_MSG_CHECKING([for write_inode return type])
+ AC_CACHE_VAL([ac_cv_linux_func_write_inode_returns_int], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[struct inode _inode;
+struct super_operations _sops;
+int i;
+i = _sops.write_inode(&_inode, 0);],
+ ac_cv_linux_func_write_inode_returns_int=yes,
+ ac_cv_linux_func_write_inode_returns_int=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_write_inode_returns_int)])
+
+
+AC_DEFUN([LINUX_AOP_WRITEBACK_CONTROL], [
+ AC_MSG_CHECKING([whether address_space_operations.writepage takes a writeback_control])
+ AC_CACHE_VAL([ac_cv_linux_func_a_writepage_takes_writeback_control], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/writeback.h>],
+[struct address_space_operations _aops;
+struct page _page;
+struct writeback_control _writeback_control;
+(void)_aops.writepage(&_page, &_writeback_control);],
+ ac_cv_linux_func_a_writepage_takes_writeback_control=yes,
+ ac_cv_linux_func_a_writepage_takes_writeback_control=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_a_writepage_takes_writeback_control)])
+
+
+AC_DEFUN([LINUX_REFRIGERATOR], [
+ AC_MSG_CHECKING([whether refrigerator takes PF_FREEZE])
+ AC_CACHE_VAL([ac_cv_linux_func_refrigerator_takes_pf_freeze], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[refrigerator(PF_FREEZE);],
+ ac_cv_linux_func_refrigerator_takes_pf_freeze=yes,
+ ac_cv_linux_func_refrigerator_takes_pf_freeze=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_refrigerator_takes_pf_freeze)])
+
+
+AC_DEFUN([LINUX_IOP_I_CREATE_TAKES_NAMEIDATA], [
+ AC_MSG_CHECKING([whether inode_operations.create takes a nameidata])
+ AC_CACHE_VAL([ac_cv_linux_func_i_create_takes_nameidata], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/namei.h>],
+[struct inode _inode;
+struct dentry _dentry;
+struct nameidata _nameidata;
+(void)_inode.i_op->create(&_inode, &_dentry, 0, &_nameidata);],
+ ac_cv_linux_func_i_create_takes_nameidata=yes,
+ ac_cv_linux_func_i_create_takes_nameidata=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_i_create_takes_nameidata)])
+
+
+AC_DEFUN([LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA], [
+ AC_MSG_CHECKING([whether inode_operations.lookup takes a nameidata])
+ AC_CACHE_VAL([ac_cv_linux_func_i_lookup_takes_nameidata], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/namei.h>],
+[struct inode _inode;
+struct dentry _dentry;
+struct nameidata _nameidata;
+(void)_inode.i_op->lookup(&_inode, &_dentry, &_nameidata);],
+ ac_cv_linux_func_i_lookup_takes_nameidata=yes,
+ ac_cv_linux_func_i_lookup_takes_nameidata=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_i_lookup_takes_nameidata)])
+
+
+AC_DEFUN([LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA], [
+ AC_MSG_CHECKING([whether inode_operations.permission takes a nameidata])
+ AC_CACHE_VAL([ac_cv_linux_func_i_permission_takes_nameidata], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/namei.h>],
+[struct inode _inode;
+struct dentry _dentry;
+struct nameidata _nameidata;
+(void)_inode.i_op->permission(&_inode, 0, &_nameidata);],
+ ac_cv_linux_func_i_permission_takes_nameidata=yes,
+ ac_cv_linux_func_i_permission_takes_nameidata=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_i_permission_takes_nameidata)])
+
+
+AC_DEFUN([LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA], [
+ AC_MSG_CHECKING([whether dentry_operations.d_revalidate takes a nameidata])
+ AC_CACHE_VAL([ac_cv_linux_func_d_revalidate_takes_nameidata], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/namei.h>],
+[struct dentry _dentry;
+struct nameidata _nameidata;
+(void)_dentry.d_op->d_revalidate(&_dentry, &_nameidata);],
+ ac_cv_linux_func_d_revalidate_takes_nameidata=yes,
+ ac_cv_linux_func_d_revalidate_takes_nameidata=no)])
+ AC_MSG_RESULT($ac_cv_linux_func_d_revalidate_takes_nameidata)])
+
+AC_DEFUN([LINUX_GET_SB_HAS_STRUCT_VFSMOUNT], [
+ AC_MSG_CHECKING([for struct vfsmount * in get_sb_nodev()])
+ AC_CACHE_VAL([ac_cv_linux_get_sb_has_struct_vfsmount], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[get_sb_nodev(0,0,0,0,0);],
+ ac_cv_linux_get_sb_has_struct_vfsmount=yes,
+ ac_cv_linux_get_sb_has_struct_vfsmount=no)])
+ AC_MSG_RESULT($ac_cv_linux_get_sb_has_struct_vfsmount)])
+
+AC_DEFUN([LINUX_STATFS_TAKES_DENTRY], [
+ AC_MSG_CHECKING([for dentry in statfs])
+ AC_CACHE_VAL([ac_cv_linux_statfs_takes_dentry], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>
+#include <linux/statfs.h>],
+[
+extern int vfs_statfs(struct dentry *, struct kstatfs *);
+],
+ ac_cv_linux_statfs_takes_dentry=yes,
+ ac_cv_linux_statfs_takes_dentry=no)])
+ AC_MSG_RESULT($ac_cv_linux_statfs_takes_dentry)])
+
+AC_DEFUN([LINUX_LINUX_KEYRING_SUPPORT], [
+ AC_MSG_CHECKING([for linux kernel keyring support])
+ AC_CACHE_VAL([ac_cv_linux_keyring_support], [
+ AC_TRY_KBUILD(
+[#include <linux/rwsem.h>
+#include <linux/key.h>
+#include <linux/keyctl.h>],
+[#ifdef CONFIG_KEYS
+request_key(NULL, NULL, NULL);
+#if !defined(KEY_POS_VIEW) || !defined(KEY_POS_SEARCH)
+#error "Your linux/key.h does not contain KEY_POS_VIEW or KEY_POS_SEARCH"
+#endif
+#else
+#error rebuild your kernel with CONFIG_KEYS
+#endif],
+ ac_cv_linux_keyring_support=yes,
+ ac_cv_linux_keyring_support=no)])
+ AC_MSG_RESULT($ac_cv_linux_keyring_support)
+ if test "x$ac_cv_linux_keyring_support" = "xyes"; then
+ AC_DEFINE([LINUX_KEYRING_SUPPORT], 1, [define if your kernel has keyring support])
+ fi])
+
+AC_DEFUN([LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK], [
+ AC_MSG_CHECKING([if key_alloc() takes a struct task *])
+ AC_CACHE_VAL([ac_cv_key_alloc_needs_struct_task], [
+ AC_TRY_KBUILD(
+[#include <linux/rwsem.h>
+#include <linux/key.h>
+],
+[(void) key_alloc(NULL, NULL, 0, 0, NULL, 0, 0);],
+ ac_cv_key_alloc_needs_struct_task=yes,
+ ac_cv_key_alloc_needs_struct_task=no)])
+ AC_MSG_RESULT($ac_cv_key_alloc_needs_struct_task)
+ if test "x$ac_cv_key_alloc_needs_struct_task" = "xyes"; then
+ AC_DEFINE([KEY_ALLOC_NEEDS_STRUCT_TASK], 1, [define if key_alloc takes a struct task *])
+ fi])
+
+AC_DEFUN([LINUX_DO_SYNC_READ], [
+ AC_MSG_CHECKING([for linux do_sync_read()])
+ AC_CACHE_VAL([ac_cv_linux_do_sync_read], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[do_sync_read(NULL, NULL, 0, NULL, 0);],
+ ac_cv_linux_do_sync_read=no,
+ ac_cv_linux_do_sync_read=maybe)
+ if test "x$ac_cv_linux_do_sync_read" = "xmaybe"; then
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[do_sync_read(NULL, NULL, 0, NULL);],
+ ac_cv_linux_do_sync_read=yes,
+ ac_cv_linux_do_sync_read=no)])
+ fi
+ AC_MSG_RESULT($ac_cv_linux_do_sync_read)
+ if test "x$ac_cv_linux_do_sync_read" = "xyes"; then
+ AC_DEFINE([DO_SYNC_READ], 1, [define if your kernel has do_sync_read()])
+ fi])
+
+AC_DEFUN([LINUX_GENERIC_FILE_AIO_READ], [
+ AC_MSG_CHECKING([for linux generic_file_aio_read()])
+ AC_CACHE_VAL([ac_cv_linux_generic_file_aio_read], [
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[generic_file_aio_read(NULL, NULL, 0, 0, 0);],
+ ac_cv_linux_generic_file_aio_read=no,
+ ac_cv_linux_generic_file_aio_read=maybe)
+ if test "x$ac_cv_linux_generic_file_aio_read" = "xmaybe"; then
+ AC_TRY_KBUILD(
+[#include <linux/fs.h>],
+[generic_file_aio_read(NULL, NULL, 0, 0);],
+ ac_cv_linux_generic_file_aio_read=yes,
+ ac_cv_linux_generic_file_aio_read=no)])
+ fi
+ AC_MSG_RESULT($ac_cv_linux_generic_file_aio_read)
+ if test "x$ac_cv_linux_generic_file_aio_read" = "xyes"; then
+ AC_DEFINE([GENERIC_FILE_AIO_READ], 1, [define if your kernel has generic_file_aio_read()])
+ fi])
+
+AC_DEFUN([LINUX_FREEZER_H_EXISTS], [
+ AC_MSG_CHECKING([for linux/freezer.h existance])
+ AC_CACHE_VAL([ac_cv_linux_freezer_h_exists], [
+ save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
+ AC_TRY_KBUILD(
+[#include <linux/freezer.h>],
+[return;],
+ ac_cv_linux_freezer_h_exists=yes,
+ ac_cv_linux_freezer_h_exists=no)])
+ AC_MSG_RESULT($ac_cv_linux_freezer_h_exists)
+ if test "x$ac_cv_linux_freezer_h_exists" = "xyes"; then
+ AC_DEFINE([FREEZER_H_EXISTS], 1, [define if linux/freezer.h exists])
+ fi])
+
+AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO], [
+ AC_MSG_CHECKING([for todo in struct task_struct])
+ AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_todo], [
+ AC_TRY_KBUILD(
+[#include <linux/sched.h>],
+[struct task_struct _tsk;
+printk("%d\n", _tsk.todo);],
+ ac_cv_linux_sched_struct_task_struct_has_todo=yes,
+ ac_cv_linux_sched_struct_task_struct_has_todo=no)])
+ AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_todo)])
+
+AC_DEFUN([LINUX_INIT_WORK_HAS_DATA], [
+ AC_MSG_CHECKING([whether INIT_WORK has a _data argument])
+ AC_CACHE_VAL([ac_cv_linux_init_work_has_data], [
+ AC_TRY_KBUILD(
+[#include <linux/workqueue.h>],
+[
+void f(struct work_struct *w) {}
+struct work_struct *w;
+int *i;
+INIT_WORK(w,f,i);],
+ ac_cv_linux_init_work_has_data=yes,
+ ac_cv_linux_init_work_has_data=no)])
+ AC_MSG_RESULT($ac_cv_linux_init_work_has_data)])
+
git://git.openafs.org / openafs.git / blobdiff