AC_DEFUN([LINUX_EXPORTS_TASKLIST_LOCK], [
- AC_MSG_CHECKING([for exported tasklist_lock])
- AC_CACHE_VAL([ac_cv_linux_exports_tasklist_lock], [
- AC_TRY_KBUILD(
-[
-#include <linux/sched.h>],
+ AC_CHECK_LINUX_BUILD([for exported tasklist_lock],
+ [ac_cv_linux_exports_tasklist_lock],
+[#include <linux/sched.h>],
[
extern rwlock_t tasklist_lock __attribute__((weak));
read_lock(&tasklist_lock);
],
- ac_cv_linux_exports_tasklist_lock=yes,
- ac_cv_linux_exports_tasklist_lock=no)])
- AC_MSG_RESULT($ac_cv_linux_exports_tasklist_lock)])
-
-
-AC_DEFUN([LINUX_CONFIG_H_EXISTS], [
- AC_MSG_CHECKING([for linux/config.h existance])
- AC_CACHE_VAL([ac_cv_linux_config_h_exists], [
- AC_TRY_KBUILD(
-[#include <linux/config.h>],
-[return;],
- ac_cv_linux_config_h_exists=yes,
- ac_cv_linux_config_h_exists=no)])
- AC_MSG_RESULT($ac_cv_linux_config_h_exists)
- if test "x$ac_cv_linux_config_h_exists" = "xyes"; then
- AC_DEFINE([CONFIG_H_EXISTS], 1, [define if linux/config.h exists])
- fi])
-
+ [EXPORTED_TASKLIST_LOCK],
+ [define if tasklist_lock exported],
+ [])
+])
AC_DEFUN([LINUX_COMPLETION_H_EXISTS], [
- AC_MSG_CHECKING([for linux/completion.h existance])
- AC_CACHE_VAL([ac_cv_linux_completion_h_exists], [
- AC_TRY_KBUILD(
+ AC_CHECK_LINUX_BUILD([for linux/completion.h],
+ [ac_cv_linux_completion_h_exists],
[#include <linux/version.h>
#include <linux/completion.h>],
[struct completion _c;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,8)
lose
#endif],
- ac_cv_linux_completion_h_exists=yes,
- ac_cv_linux_completion_h_exists=no)])
- AC_MSG_RESULT($ac_cv_linux_completion_h_exists)])
-
-AC_DEFUN([LINUX_EXPORTFS_H_EXISTS], [
- AC_MSG_CHECKING([for linux/exportfs.h existence])
- AC_CACHE_VAL([ac_cv_linux_exportfs_h_exists], [
- AC_TRY_KBUILD(
-[#include <linux/exportfs.h>],
-[return;],
- ac_cv_linux_exportfs_h_exists=yes,
- ac_cv_linux_exportfs_h_exists=no)])
- AC_MSG_RESULT($ac_cv_linux_exportfs_h_exists)])
-
-AC_DEFUN([LINUX_DEFINES_FOR_EACH_PROCESS], [
- AC_MSG_CHECKING([for defined for_each_process])
- AC_CACHE_VAL([ac_cv_linux_defines_for_each_process], [
- AC_TRY_KBUILD(
-[#include <linux/sched.h>],
-[#ifndef for_each_process
-#error for_each_process not defined
-#endif],
- ac_cv_linux_defines_for_each_process=yes,
- ac_cv_linux_defines_for_each_process=no)])
- AC_MSG_RESULT($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($ac_cv_linux_defines_prev_task)])
+ [HAVE_LINUX_COMPLETION_H]
+ [Define if your kernel has a usable linux/completion.h],
+ [])
+])
AC_DEFUN([LINUX_EXPORTS_INIT_MM], [
- AC_MSG_CHECKING([for exported init_mm])
- AC_CACHE_VAL([ac_cv_linux_exports_init_mm], [
- AC_TRY_KBUILD(
-[#include <linux/modversions.h>],
-[#ifndef __ver_init_mm
-#error init_mm not exported
-#endif],
- ac_cv_linux_exports_init_mm=yes,
- ac_cv_linux_exports_init_mm=no)])
- AC_MSG_RESULT($ac_cv_linux_exports_init_mm)])
+ AC_CHECK_LINUX_BUILD([for exported init_mm],
+ [ac_cv_linux_exports_init_mm],
+ [extern struct mm_struct init_mm;],
+ [void *address = &init_mm; printk("%p\n", address);],
+ [EXPORTED_INIT_MM],
+ [define if your kernel 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>],
+ AC_CHECK_LINUX_BUILD([for exported kallsyms_address_to_symbol],
+ [ac_cv_linux_exports_kallsyms_address],
+ [#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($ac_cv_linux_exports_kallsyms_address)])
+ [EXPORTED_KALLSYMS_ADDRESS],
+ [define if your linux kernel exports kallsyms address],
+ [])
+])
AC_DEFUN([LINUX_EXPORTS_KALLSYMS_SYMBOL], [
- AC_MSG_CHECKING([for exported kallsyms_symbol_to_address])
- AC_CACHE_VAL([ac_cv_linux_exports_kallsyms_symbol], [
- AC_TRY_KBUILD(
-[#include <linux/modversions.h>],
+ AC_CHECK_LINUX_BUILD([for exported kallsyms_symbol_to_address],
+ [ac_cv_linux_exports_kallsyms_symbol],
+ [#include <linux/modversions.h>],
[#ifndef __ver_kallsyms_symbol_to_address
#error kallsyms_symbol_to_address not exported
#endif],
- ac_cv_linux_exports_kallsyms_symbol=yes,
- ac_cv_linux_exports_kallsyms_symbol=no)])
- AC_MSG_RESULT($ac_cv_linux_exports_kallsyms_symbol)])
+ [EXPORTED_KALLSYMS_SYMBOL],
+ [define if your linux kernel exports kallsyms],
+ [])
+])
+
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>],
+ AC_CHECK_LINUX_BUILD([for exported sys_call_table],
+ [ac_cv_linux_exports_sys_call_table],
+ [#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($ac_cv_linux_exports_sys_call_table)])
+ [EXPORTED_SYS_CALL_TABLE],
+ [define if your linux kernel exports sys_call_table],
+ [])
+])
AC_DEFUN([LINUX_EXPORTS_IA32_SYS_CALL_TABLE], [
- AC_MSG_CHECKING([for exported ia32_sys_call_table])
- AC_CACHE_VAL([ac_cv_linux_exports_ia32_sys_call_table], [
- AC_TRY_KBUILD(
-[#include <linux/modversions.h>],
+ AC_CHECK_LINUX_BUILD([for exported ia32_sys_call_table],
+ [ac_cv_linux_exports_ia32_sys_call_table],
+ [#include <linux/modversions.h>],
[#ifndef __ver_ia32_sys_call_table
#error ia32_sys_call_table not exported
#endif],
- ac_cv_linux_exports_ia32_sys_call_table=yes,
- ac_cv_linux_exports_ia32_sys_call_table=no)])
- AC_MSG_RESULT($ac_cv_linux_exports_ia32_sys_call_table)])
+ [EXPORTED_IA32_SYS_CALL_TABLE],
+ [define if your linux kernel 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_CHECK_LINUX_BUILD([for exported sys_chdir],
+ [ac_cv_linux_exports_sys_chdir],
+ [extern asmlinkage long sys_chdir(void) __attribute__((weak));],
+ [void *address = &sys_chdir; printk("%p\n", address);],
+ [EXPORTED_SYS_CHDIR],
+ [define if your linux kernel exports sys_chdir],
+ [])
+])
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;
-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($ac_cv_linux_fs_struct_inode_has_i_blksize)])
-
-AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS], [
- AC_MSG_CHECKING([for i_blkbits in struct inode])
- AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_blkbits], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[struct inode _inode;
-printk("%d\n", _inode.i_blkbits);],
- ac_cv_linux_fs_struct_inode_has_i_blkbits=yes,
- ac_cv_linux_fs_struct_inode_has_i_blkbits=no)])
- AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_blkbits)
- if test "x$ac_cv_linux_fs_struct_inode_has_i_blkbits" = "xyes"; then
- AC_DEFINE(STRUCT_INODE_HAS_I_BLKBITS, 1, [define if your struct inode has i_blkbits])
- fi])
-
-
-AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_CDEV], [
- AC_MSG_CHECKING([for i_cdev in struct inode])
- AC_CACHE_VAL([ac_cv_linux_fs_struct_inode_has_i_cdev], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[struct inode _inode;
-printk("%d\n", _inode.i_cdev);],
- ac_cv_linux_fs_struct_inode_has_i_cdev=yes,
- ac_cv_linux_fs_struct_inode_has_i_cdev=no)])
- AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_cdev)])
-
-
-AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_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;
-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($ac_cv_linux_fs_struct_inode_has_i_sb_list)])
+ AC_CHECK_LINUX_BUILD([for exported sys_open],
+ [ac_cv_linux_exports_sys_open],
+ [extern asmlinkage long sys_open(void) __attribute__((weak));],
+ [void *address = &sys_open; printk("%p\n", address);],
+ [EXPORTED_SYS_OPEN],
+ [define if your linux kernel exports sys_open],
+ [])
+])
AC_DEFUN([LINUX_RECALC_SIGPENDING_ARG_TYPE], [
- AC_MSG_CHECKING([for recalc_sigpending arg type])
- AC_CACHE_VAL([ac_cv_linux_func_recalc_sigpending_takes_void], [
- AC_TRY_KBUILD(
-[#include <linux/sched.h>],
-[recalc_sigpending();],
- ac_cv_linux_func_recalc_sigpending_takes_void=yes,
- ac_cv_linux_func_recalc_sigpending_takes_void=no)])
- AC_MSG_RESULT($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($ac_cv_linux_sched_struct_task_struct_has_parent)])
-
-
-AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID], [
- AC_MSG_CHECKING([for tgid in struct task_struct])
- AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_tgid], [
- AC_TRY_KBUILD(
-[#include <linux/sched.h>],
-[struct task_struct _tsk;
-printk("%d\n", _tsk.tgid);],
- ac_cv_linux_sched_struct_task_struct_has_tgid=yes,
- ac_cv_linux_sched_struct_task_struct_has_tgid=no)])
- AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_tgid)])
-
-
-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($ac_cv_linux_sched_struct_task_struct_has_rlim)])
+ AC_CHECK_LINUX_BUILD([for recalc_sigpending arg type],
+ [ac_cv_linux_func_recalc_sigpending_takes_void],
+ [#include <linux/sched.h>],
+ [recalc_sigpending();],
+ [RECALC_SIGPENDING_TAKES_VOID],
+ [define if your recalc_sigpending takes void],
+ [])
+])
AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM], [
- AC_MSG_CHECKING([for signal->rlim in struct task_struct])
- AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_signal_rlim], [
- AC_TRY_KBUILD(
-[#include <linux/sched.h>],
-[struct task_struct _tsk;
-printk("%d\n", _tsk.signal->rlim);],
- ac_cv_linux_sched_struct_task_struct_has_signal_rlim=yes,
- ac_cv_linux_sched_struct_task_struct_has_signal_rlim=no)])
- AC_MSG_RESULT($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($ac_cv_linux_sched_struct_task_struct_has_exit_state)])
-
-
-AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO], [
- AC_MSG_CHECKING([for thread_info in struct task_struct])
- AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_thread_info], [
- AC_TRY_KBUILD(
-[#include <linux/sched.h>],
-[struct task_struct _tsk;
-printk("%d\n", _tsk.thread_info);],
- ac_cv_linux_sched_struct_task_struct_has_thread_info=yes,
- ac_cv_linux_sched_struct_task_struct_has_thread_info=no)])
- AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_thread_info)])
-
-
-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($ac_cv_linux_fs_struct_super_has_alloc_inode)])
+ AC_CHECK_LINUX_BUILD([for signal->rlim in struct task_struct],
+ [ac_cv_linux_sched_struct_task_struct_has_signal_rlim],
+ [#include <linux/sched.h>],
+ [struct task_struct _tsk; printk("%d\n", _tsk.signal->rlim);],
+ [STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM],
+ [define if your struct task_struct has signal->rlim],
+ [])
+])
AC_DEFUN([LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG], [
- AC_MSG_CHECKING([for 3rd argument in posix_lock_file found in new kernels])
- AC_CACHE_VAL([ac_cv_linux_kernel_posix_lock_file_wait_arg], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[posix_lock_file(0,0,0);],
- ac_cv_linux_kernel_posix_lock_file_wait_arg=yes,
- ac_cv_linux_kernel_posix_lock_file_wait_arg=no)])
- AC_MSG_RESULT($ac_cv_linux_kernel_posix_lock_file_wait_arg)])
-
+ AC_CHECK_LINUX_BUILD([for 3rd argument in posix_lock_file found in new kernels],
+ [ac_cv_linux_kernel_posix_lock_file_wait_arg],
+ [#include <linux/fs.h>],
+ [posix_lock_file(0,0,0);],
+ [POSIX_LOCK_FILE_WAIT_ARG],
+ [define if your kernel uses 3 arguments for posix_lock_file],
+ [])
+])
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_CHECK_LINUX_BUILD([for 5th argument in sock_create found in some SELinux kernels],
+ [ac_cv_linux_kernel_sock_create_v],
+ [#include <linux/net.h>],
+ [sock_create(0,0,0,0,0);],
+ [LINUX_KERNEL_SOCK_CREATE_V],
+ [define if your linux kernel uses 5 arguments for sock_create],
+ [])
+])
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_CHECK_LINUX_BUILD([for inode_setattr return type],
+ [ac_cv_linux_func_inode_setattr_returns_int],
+ [#include <linux/fs.h>],
+ [struct inode _inode;
+ struct iattr _iattr;
+ int i;
+ i = inode_setattr(&_inode, &_iattr);],
+ [INODE_SETATTR_NOT_VOID],
+ [define if your setattr return return non-void],
+ [])
+])
+
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(
+ AC_CHECK_LINUX_BUILD([whether aop.writepage takes a writeback_control],
+ [ac_cv_linux_func_a_writepage_takes_writeback_control],
[#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/writeback.h>],
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($ac_cv_linux_func_a_writepage_takes_writeback_control)])
+ [AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL],
+ [define if aops.writepage takes a struct writeback_control],
+ [])
+])
AC_DEFUN([LINUX_REFRIGERATOR], [
- AC_MSG_CHECKING([whether refrigerator takes PF_FREEZE])
- AC_CACHE_VAL([ac_cv_linux_func_refrigerator_takes_pf_freeze], [
- AC_TRY_KBUILD(
+ AC_CHECK_LINUX_BUILD([whether refrigerator takes PF_FREEZE],
+ [ac_cv_linux_func_refrigerator_takes_pf_freeze],
[#include <linux/sched.h>
-#ifdef FREEZER_H_EXISTS
+#ifdef HAVE_LINUX_FREEZER_H
#include <linux/freezer.h>
#endif],
-[refrigerator(PF_FREEZE);],
- ac_cv_linux_func_refrigerator_takes_pf_freeze=yes,
- ac_cv_linux_func_refrigerator_takes_pf_freeze=no)])
- AC_MSG_RESULT($ac_cv_linux_func_refrigerator_takes_pf_freeze)])
+ [refrigerator(PF_FREEZE);],
+ [LINUX_REFRIGERATOR_TAKES_PF_FREEZE],
+ [define if your 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(
+ AC_CHECK_LINUX_BUILD([whether inode_operations.create takes a nameidata],
+ [ac_cv_linux_func_i_create_takes_nameidata],
[#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($ac_cv_linux_func_i_create_takes_nameidata)])
+
+ [IOP_CREATE_TAKES_NAMEIDATA],
+ [define if your iops.create takes a nameidata argument],
+ [])
+])
AC_DEFUN([LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA], [
- AC_MSG_CHECKING([whether inode_operations.lookup takes a nameidata])
- AC_CACHE_VAL([ac_cv_linux_func_i_lookup_takes_nameidata], [
- AC_TRY_KBUILD(
+ AC_CHECK_LINUX_BUILD([whether inode_operations.lookup takes a nameidata],
+ [ac_cv_linux_func_i_lookup_takes_nameidata],
[#include <linux/fs.h>
#include <linux/namei.h>],
[struct inode _inode;
struct dentry _dentry;
struct nameidata _nameidata;
(void)_inode.i_op->lookup(&_inode, &_dentry, &_nameidata);],
- ac_cv_linux_func_i_lookup_takes_nameidata=yes,
- ac_cv_linux_func_i_lookup_takes_nameidata=no)])
- AC_MSG_RESULT($ac_cv_linux_func_i_lookup_takes_nameidata)])
+ [IOP_LOOKUP_TAKES_NAMEIDATA],
+ [define if your iops.lookup takes a nameidata argument],
+ [])
+])
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(
+ AC_CHECK_LINUX_BUILD([whether inode_operations.permission takes a nameidata],
+ [ac_cv_linux_func_i_permission_takes_nameidata],
[#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($ac_cv_linux_func_i_permission_takes_nameidata)])
+ [IOP_PERMISSION_TAKES_NAMEIDATA],
+ [define if your iops.permission takes a nameidata argument],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_IOP_I_PERMISSION_TAKES_FLAGS], [
+ AC_CHECK_LINUX_BUILD([whether inode_operations.permission takes flags],
+ [ac_cv_linux_func_i_permission_takes_flags],
+ [#include <linux/fs.h>],
+ [struct inode _inode = {0};
+ unsigned int flags = 0;
+ (void)_inode.i_op->permission(&_inode, 0, flags);],
+ [IOP_PERMISSION_TAKES_FLAGS],
+ [define if your iops.permission takes a flags argument],
+ [-Werror])
+])
AC_DEFUN([LINUX_IOP_I_PUT_LINK_TAKES_COOKIE], [
- AC_MSG_CHECKING([whether inode_operations.put_link takes an opaque cookie])
- AC_CACHE_VAL([ac_cv_linux_func_i_put_link_takes_cookie], [
- AC_TRY_KBUILD(
+ AC_CHECK_LINUX_BUILD([whether inode_operations.put_link takes an opaque cookie],
+ [ac_cv_linux_func_i_put_link_takes_cookie],
[#include <linux/fs.h>
#include <linux/namei.h>],
[struct inode _inode;
struct nameidata _nameidata;
void *cookie;
(void)_inode.i_op->put_link(&_dentry, &_nameidata, cookie);],
- ac_cv_linux_func_i_put_link_takes_cookie=yes,
- ac_cv_linux_func_i_put_link_takes_cookie=no)])
- AC_MSG_RESULT($ac_cv_linux_func_i_put_link_takes_cookie)])
+ [IOP_PUT_LINK_TAKES_COOKIE],
+ [define if your iops.put_link takes a cookie],
+ [])
+])
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(
+ AC_CHECK_LINUX_BUILD([whether dentry_operations.d_revalidate takes a nameidata],
+ [ac_cv_linux_func_d_revalidate_takes_nameidata],
[#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($ac_cv_linux_func_d_revalidate_takes_nameidata)])
+ [DOP_REVALIDATE_TAKES_NAMEIDATA],
+ [define if your dops.d_revalidate takes a nameidata argument],
+ [])
+])
+
AC_DEFUN([LINUX_GET_SB_HAS_STRUCT_VFSMOUNT], [
- AC_MSG_CHECKING([for struct vfsmount * in get_sb_nodev()])
- AC_CACHE_VAL([ac_cv_linux_get_sb_has_struct_vfsmount], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[get_sb_nodev(0,0,0,0,0);],
- ac_cv_linux_get_sb_has_struct_vfsmount=yes,
- ac_cv_linux_get_sb_has_struct_vfsmount=no)])
- AC_MSG_RESULT($ac_cv_linux_get_sb_has_struct_vfsmount)])
+ AC_CHECK_LINUX_BUILD([for struct vfsmount * in get_sb_nodev()],
+ [ac_cv_linux_get_sb_has_struct_vfsmount],
+ [#include <linux/fs.h>],
+ [get_sb_nodev(0,0,0,0,0);],
+ [GET_SB_HAS_STRUCT_VFSMOUNT],
+ [define if your get_sb_nodev needs a struct vfsmount argument],
+ [])
+])
+
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(
+ AC_CHECK_LINUX_BUILD([for dentry in statfs],
+ [ac_cv_linux_statfs_takes_dentry],
[#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($ac_cv_linux_statfs_takes_dentry)])
+[extern int simple_statfs(struct dentry *, struct kstatfs *);],
+ [STATFS_TAKES_DENTRY],
+ [define if your statfs takes a dentry argument],
+ [])
+])
+
AC_DEFUN([LINUX_LINUX_KEYRING_SUPPORT], [
- AC_MSG_CHECKING([for linux kernel keyring support])
- AC_CACHE_VAL([ac_cv_linux_keyring_support], [
- AC_TRY_KBUILD(
+ AC_CHECK_LINUX_BUILD([for linux kernel keyring support],
+ [ac_cv_linux_keyring_support],
[#include <linux/rwsem.h>
+#ifdef HAVE_LINUX_KEY_TYPE_H
+#include <linux/key-type.h>
+#endif
#include <linux/key.h>
#include <linux/keyctl.h>],
[#ifdef CONFIG_KEYS
#else
#error rebuild your kernel with CONFIG_KEYS
#endif],
- ac_cv_linux_keyring_support=yes,
- ac_cv_linux_keyring_support=no)])
- AC_MSG_RESULT($ac_cv_linux_keyring_support)
- if test "x$ac_cv_linux_keyring_support" = "xyes"; then
- AC_DEFINE([LINUX_KEYRING_SUPPORT], 1, [define if your kernel has keyring support])
- fi])
+ [LINUX_KEYRING_SUPPORT],
+ [define if your kernel has keyring support],
+ [])
+])
+
AC_DEFUN([LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK], [
- AC_MSG_CHECKING([if key_alloc() takes a struct task *])
- AC_CACHE_VAL([ac_cv_key_alloc_needs_struct_task], [
- AC_TRY_KBUILD(
-[#include <linux/rwsem.h>
-#include <linux/key.h>
-],
-[(void) key_alloc(NULL, NULL, 0, 0, NULL, 0, 0);],
- ac_cv_key_alloc_needs_struct_task=yes,
- ac_cv_key_alloc_needs_struct_task=no)])
- AC_MSG_RESULT($ac_cv_key_alloc_needs_struct_task)
- if test "x$ac_cv_key_alloc_needs_struct_task" = "xyes"; then
- AC_DEFINE([KEY_ALLOC_NEEDS_STRUCT_TASK], 1, [define if key_alloc takes a struct task *])
- fi])
-
-AC_DEFUN([LINUX_DO_SYNC_READ], [
- AC_MSG_CHECKING([for linux do_sync_read()])
- AC_CACHE_VAL([ac_cv_linux_do_sync_read], [
- save_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[do_sync_read(NULL, NULL, 0, NULL);],
- ac_cv_linux_do_sync_read=yes,
- ac_cv_linux_do_sync_read=no)
- CPPFLAGS="$save_CPPFLAGS"])
- 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], [
- save_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
- 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)
- CPPFLAGS="$save_CPPFLAGS"])
- AC_MSG_RESULT($ac_cv_linux_generic_file_aio_read)
- if test "x$ac_cv_linux_generic_file_aio_read" = "xyes"; then
- AC_DEFINE([GENERIC_FILE_AIO_READ], 1, [define if your kernel has generic_file_aio_read()])
- fi])
-
-AC_DEFUN([LINUX_FREEZER_H_EXISTS], [
- AC_MSG_CHECKING([for linux/freezer.h existance])
- AC_CACHE_VAL([ac_cv_linux_freezer_h_exists], [
- AC_TRY_KBUILD(
-[#include <linux/freezer.h>],
-[return;],
- ac_cv_linux_freezer_h_exists=yes,
- ac_cv_linux_freezer_h_exists=no)])
- AC_MSG_RESULT($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_CHECK_LINUX_BUILD([if key_alloc() takes a struct task *],
+ [ac_cv_key_alloc_needs_struct_task],
+ [#include <linux/rwsem.h>
+ #include <linux/key.h> ],
+ [struct task_struct *t=NULL;
+ (void) key_alloc(NULL, NULL, 0, 0, t, 0, 0);],
+ [KEY_ALLOC_NEEDS_STRUCT_TASK],
+ [define if key_alloc takes a struct task *],
+ [-Werror -Wno-pointer-arith])
+])
+
+
+AC_DEFUN([LINUX_KEY_ALLOC_NEEDS_CRED], [
+ AC_CHECK_LINUX_BUILD([if key_alloc() takes credentials],
+ [ac_cv_key_alloc_needs_cred],
+ [#include <linux/rwsem.h>
+ #include <linux/key.h>],
+ [struct cred *c = NULL;
+ (void) key_alloc(NULL, NULL, 0, 0, c, 0, 0);],
+ [KEY_ALLOC_NEEDS_CRED],
+ [define if key_alloc takes credentials],
+ [-Werror -Wno-pointer-arith])
+])
+
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(
+ AC_CHECK_LINUX_BUILD([whether INIT_WORK has a _data argument],
+ [ac_cv_linux_init_work_has_data],
[#include <linux/kernel.h>
#include <linux/workqueue.h>],
[
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($ac_cv_linux_init_work_has_data)])
-
-
-AC_DEFUN([LINUX_FS_STRUCT_FOP_HAS_FLOCK], [
- AC_MSG_CHECKING([for flock in struct file_operations])
- AC_CACHE_VAL([ac_cv_linux_fs_struct_fop_has_flock], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[struct file_operations _fop;
-_fop.flock(NULL, 0, NULL);],
- ac_cv_linux_fs_struct_fop_has_flock=yes,
- ac_cv_linux_fs_struct_fop_has_flock=no)])
- AC_MSG_RESULT($ac_cv_linux_fs_struct_fop_has_flock)])
+ [INIT_WORK_HAS_DATA],
+ [define if INIT_WORK takes a data (3rd) argument],
+ [])
+])
+
AC_DEFUN([LINUX_REGISTER_SYSCTL_TABLE_NOFLAG], [
- AC_MSG_CHECKING([whether register_sysctl_table has an insert_at_head flag argument])
- AC_CACHE_VAL([ac_cv_linux_register_sysctl_table_noflag], [
- AC_TRY_KBUILD(
-[#include <linux/sysctl.h>],
-[ctl_table *t;
-register_sysctl_table (t);],
- ac_cv_linux_register_sysctl_table_noflag=yes,
- ac_cv_linux_register_sysctl_table_noflag=no)])
- AC_MSG_RESULT($ac_cv_linux_register_sysctl_table_noflag)])
+ AC_CHECK_LINUX_BUILD([whether register_sysctl_table has an insert_at_head argument],
+ [ac_cv_linux_register_sysctl_table_noflag],
+ [#include <linux/sysctl.h>],
+ [ctl_table *t; register_sysctl_table (t);],
+ [REGISTER_SYSCTL_TABLE_NOFLAG],
+ [define if register_sysctl_table has no insert_at head flag],
+ [])
+])
+
AC_DEFUN([LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T], [
- AC_MSG_CHECKING([whether file_operations.flush takes a fl_owner_t])
- AC_CACHE_VAL([ac_cv_linux_func_f_flush_takes_fl_owner_t], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
+ AC_CHECK_LINUX_BUILD([whether file_operations.flush takes a fl_owner_t],
+ [ac_cv_linux_func_f_flush_takes_fl_owner_t],
+ [#include <linux/fs.h>],
[struct inode _inode;
struct file _file;
fl_owner_t id;
(void)_inode.i_fop->flush(&_file, &id);],
- ac_cv_linux_func_f_flush_takes_fl_owner_t=yes,
- ac_cv_linux_func_f_flush_takes_fl_owner_t=no)])
- AC_MSG_RESULT($ac_cv_linux_func_f_flush_takes_fl_owner_t)])
+ [FOP_FLUSH_TAKES_FL_OWNER_T],
+ [define if your fops.flush takes an fl_owner_t argument],
+ [])
+])
+
+
+AC_DEFUN([LINUX_FOP_F_FSYNC_TAKES_DENTRY], [
+ AC_CHECK_LINUX_BUILD([whether file_operations.fsync takes a dentry argument],
+ [ac_cv_linux_func_f_fsync_takes_dentry],
+ [#include <linux/fs.h>],
+[struct inode _inode;
+struct file _file;
+struct dentry _d;
+(void)_inode.i_fop->fsync(&_file, &_d, 0);],
+ [FOP_FSYNC_TAKES_DENTRY],
+ [define if your fops.fsync takes an dentry argument],
+ [])
+])
+
+
+int (*fsync) (struct file *, loff_t start, loff_t end, int datasync);
+
+AC_DEFUN([LINUX_FOP_F_FSYNC_TAKES_RANGE], [
+ AC_CHECK_LINUX_BUILD([whether file_operations.fsync takes a range],
+ [ac_cv_linux_func_f_fsync_takes_range],
+ [#include <linux/fs.h>],
+[struct inode _inode;
+struct file _file;
+loff_t start, end;
+(void)_inode.i_fop->fsync(&_file, start, end, 0);],
+ [FOP_FSYNC_TAKES_RANGE],
+ [define if your fops.fsync takes range arguments],
+ [])
+])
+
AC_DEFUN([LINUX_HAVE_KMEM_CACHE_T], [
- AC_MSG_CHECKING([whether kmem_cache_t exists])
- AC_CACHE_VAL([ac_cv_linux_have_kmem_cache_t], [
- AC_TRY_KBUILD(
-[#include <linux/slab.h>],
-[kmem_cache_t *k;],
- ac_cv_linux_have_kmem_cache_t=yes,
- ac_cv_linux_have_kmem_cache_t=no)])
- AC_MSG_RESULT($ac_cv_linux_have_kmem_cache_t)])
+ AC_CHECK_LINUX_BUILD([whether kmem_cache_t exists],
+ [ac_cv_linux_have_kmem_cache_t],
+ [#include <linux/slab.h>],
+ [kmem_cache_t *k;],
+ [HAVE_KMEM_CACHE_T],
+ [define if kmem_cache_t exists],
+ [])
+])
-AC_DEFUN([LINUX_KMEM_CACHE_CREATE_TAKES_DTOR], [
- AC_MSG_CHECKING([whether kmem_cache_create takes a destructor argument])
- AC_CACHE_VAL([ac_cv_linux_kmem_cache_create_takes_dtor], [
- AC_TRY_KBUILD(
-[#include <linux/slab.h>],
-[kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);],
- ac_cv_linux_kmem_cache_create_takes_dtor=yes,
- ac_cv_linux_kmem_cache_create_takes_dtor=no)])
- AC_MSG_RESULT($ac_cv_linux_kmem_cache_create_takes_dtor)])
-
-AC_DEFUN([LINUX_FS_STRUCT_FOP_HAS_SENDFILE], [
- AC_MSG_CHECKING([for sendfile in struct file_operations])
- AC_CACHE_VAL([ac_cv_linux_fs_struct_fop_has_sendfile], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[struct file_operations _fop;
-_fop.sendfile(NULL, NULL, 0, 0, NULL);],
- ac_cv_linux_fs_struct_fop_has_sendfile=yes,
- ac_cv_linux_fs_struct_fop_has_sendfile=no)])
- AC_MSG_RESULT($ac_cv_linux_fs_struct_fop_has_sendfile)])
-
-AC_DEFUN([LINUX_HAVE_SVC_ADDR_IN], [
- AC_MSG_CHECKING([whether svc_addr_in exists])
- AC_CACHE_VAL([ac_cv_linux_have_svc_addr_in], [
- AC_TRY_KBUILD(
-[#include <linux/sunrpc/svc.h>],
-[svc_addr_in(NULL);],
- ac_cv_linux_have_svc_addr_in=yes,
- ac_cv_linux_have_svc_addr_in=no)])
- AC_MSG_RESULT($ac_cv_linux_have_svc_addr_in)])
+AC_DEFUN([LINUX_KMEM_CACHE_CREATE_TAKES_DTOR], [
+ AC_CHECK_LINUX_BUILD([whether kmem_cache_create takes a destructor argument],
+ [ac_cv_linux_kmem_cache_create_takes_dtor],
+ [#include <linux/slab.h>],
+ [kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);],
+ [KMEM_CACHE_TAKES_DTOR],
+ [define if kmem_cache_create takes a destructor argument],
+ [])
+])
+
+
+AC_DEFUN([LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID],[
+ AC_CHECK_LINUX_BUILD([whether kmem_cache_create constructor takes a void pointer],
+ [ac_cv_linux_kmem_cache_create_ctor_takes_void],
+ [#include <linux/slab.h>],
+ [void _ctor(void *v) { }; kmem_cache_create(NULL, 0, 0, 0, _ctor);],
+ [KMEM_CACHE_CTOR_TAKES_VOID],
+ [define if kmem_cache_create constructor takes a single void ptr],
+ [-Werror])
+])
+
+
+dnl This function checks not just the existence of the splice functions,
+dnl but also that the signature matches (they gained an extra argument
+dnl around 2.6.17)
AC_DEFUN([LINUX_FS_STRUCT_FOP_HAS_SPLICE], [
- AC_MSG_CHECKING([for splice_write and splice_read in struct file_operations])
- AC_CACHE_VAL([ac_cv_linux_fs_struct_fop_has_splice], [
- AC_TRY_KBUILD(
-[#include <linux/fs.h>],
-[struct file_operations _fop;
-_fop.splice_write(NULL, NULL, NULL, 0, 0);
-_fop.splice_read(NULL, NULL, NULL, 0, 0);],
- ac_cv_linux_fs_struct_fop_has_splice=yes,
- ac_cv_linux_fs_struct_fop_has_splice=no)])
- AC_MSG_RESULT($ac_cv_linux_fs_struct_fop_has_splice)])
+ AC_CHECK_LINUX_BUILD([for splice_write and splice_read in struct file_operations],
+ [ac_cv_linux_fs_struct_fop_has_splice],
+ [#include <linux/fs.h>],
+ [struct file_operations _fop;
+ _fop.splice_write(NULL, NULL, NULL, 0, 0);
+ _fop.splice_read(NULL, NULL, NULL, 0, 0);],
+ [STRUCT_FILE_OPERATIONS_HAS_SPLICE],
+ [define if struct file_operations has splice functions],
+ [])
+])
+
+
+AC_DEFUN([LINUX_KMEM_CACHE_INIT], [
+ AC_CHECK_LINUX_BUILD([for new kmem_cache init function parameters],
+ [ac_cv_linux_kmem_cache_init],
+ [#include <linux/slab.h>],
+ [extern struct kmem_cache *
+ kmem_cache_create(const char *, size_t, size_t,
+ unsigned long,
+ void (*)(struct kmem_cache *, void *));
+ return;],
+ [KMEM_CACHE_INIT],
+ [define for new kmem_cache init function parameters],
+ [])
+])
+
+
+AC_DEFUN([LINUX_EXPORTS_PROC_ROOT_FS], [
+ AC_CHECK_LINUX_BUILD([if proc_root_fs is defined and exported],
+ [ac_cv_linux_exports_proc_root_fs],
+ [#include <linux/proc_fs.h>],
+ [struct proc_dir_entry *p = proc_root_fs;],
+ [EXPORTED_PROC_ROOT_FS],
+ [define if proc_root_fs is exported],
+ [])
+])
+
+
+AC_DEFUN([LINUX_D_PATH_TAKES_STRUCT_PATH], [
+ AC_CHECK_LINUX_BUILD([if d_path() takes a struct path argument],
+ [ac_cv_linux_d_path_takes_struct_path],
+ [#include <linux/fs.h>],
+ [struct path *p; d_path(p, NULL, 0);],
+ [D_PATH_TAKES_STRUCT_PATH],
+ [define if d_path() takes a struct path argument],
+ [])
+])
+
+
+AC_DEFUN([LINUX_NEW_EXPORT_OPS], [
+ AC_CHECK_LINUX_BUILD([if kernel uses new export ops],
+ [ac_cv_linux_new_export_ops],
+ [#include <linux/exportfs.h>],
+ [struct export_operations _eops;
+ _eops.fh_to_parent(NULL, NULL, 0, 0);],
+ [NEW_EXPORT_OPS],
+ [define if kernel uses new export ops],
+ [])
+])
+
+
+AC_DEFUN([LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT], [
+ AC_CHECK_LINUX_BUILD([if posix_test_lock returns a struct file_lock],
+ [ac_cv_linux_posix_test_lock_returns_conflict],
+ [#include <linux/fs.h>],
+ [struct file_lock *lock;
+ struct file * file;
+ lock = posix_test_lock(file, lock);],
+ [POSIX_TEST_LOCK_RETURNS_CONFLICT],
+ [define if posix_test_lock returns the conflicting lock],
+ [])
+])
+
+
+AC_DEFUN([LINUX_POSIX_TEST_LOCK_CONFLICT_ARG], [
+ AC_CHECK_LINUX_BUILD([if posix_test_lock takes a conflict argument],
+ [ac_cv_linux_posix_test_lock_conflict_arg],
+ [#include <linux/fs.h>],
+ [struct file_lock *lock;
+ struct file *file;
+ posix_test_lock(file, lock, lock);],
+ [POSIX_TEST_LOCK_CONFLICT_ARG],
+ [define if posix_test_lock takes a conflict argument],
+ [])
+])
+
+
+AC_DEFUN([LINUX_EXPORTS_KEY_TYPE_KEYRING], [
+ AC_CHECK_LINUX_BUILD([for exported key_type_keyring],
+ [ac_cv_linux_exports_key_type_keyring],
+[
+#ifdef HAVE_LINUX_KEY_TYPE_H
+#include <linux/key-type.h>
+#endif
+#include <linux/key.h>
+],
+ [printk("%s", key_type_keyring.name);],
+ [EXPORTED_KEY_TYPE_KEYRING],
+ [define if key_type_keyring is exported],
+ [])
+])
+
+AC_DEFUN([LINUX_HAVE_TRY_TO_FREEZE], [
+ AC_CHECK_LINUX_BUILD([for try_to_freeze],
+ [ac_cv_linux_have_try_to_freeze],
+[#include <linux/sched.h>
+#ifdef HAVE_LINUX_FREEZER_H
+#include <linux/freezer.h>
+#endif],
+[#ifdef LINUX_REFRIGERATOR_TAKES_PF_FREEZE
+ try_to_freeze(PF_FREEZE);
+#else
+ try_to_freeze();
+#endif],
+ [HAVE_TRY_TO_FREEZE],
+ [define if your kernel has the try_to_freeze function],
+ [])
+])
+
+
+AC_DEFUN([LINUX_HAVE_DCACHE_LOCK], [
+ AC_CHECK_LINUX_BUILD([for dcache_lock],
+ [ac_cv_linux_have_dcache_lock],
+ [#include <linux/fs.h> ],
+ [printk("%p", &dcache_lock);],
+ [HAVE_DCACHE_LOCK],
+ [define if dcache_lock exists],
+ [])
+])
+
+
+AC_DEFUN([LINUX_D_COUNT_IS_INT], [
+ AC_CHECK_LINUX_BUILD([if dentry->d_count is an int],
+ [ac_cv_linux_d_count_int],
+ [#include <linux/fs.h> ],
+ [struct dentry _d;
+ dget(&_d);
+ _d.d_count = 1;],
+ [D_COUNT_INT],
+ [define if dentry->d_count is an int],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_DOP_D_DELETE_TAKES_CONST], [
+ AC_CHECK_LINUX_BUILD([whether dentry.d_op->d_delete takes a const argument],
+ [ac_cv_linux_dop_d_delete_takes_const],
+ [#include <linux/fs.h>
+ #include <linux/dcache.h>],
+ [struct dentry_operations _d_ops;
+ int _d_del(const struct dentry *de) {return 0;};
+ _d_ops.d_delete = _d_del;],
+ [DOP_D_DELETE_TAKES_CONST],
+ [define if dentry.d_op->d_delete takes a const argument],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_IOP_MKDIR_TAKES_UMODE_T], [
+ AC_CHECK_LINUX_BUILD([whether inode.i_op->mkdir takes a umode_t argument],
+ [ac_cv_linux_iop_mkdir_takes_umode_t],
+ [#include <linux/fs.h>],
+ [struct inode_operations _i_ops;
+ int _mkdir(struct inode *i, struct dentry *d, umode_t m) {return 0;};
+ _i_ops.mkdir = _mkdir;],
+ [IOP_MKDIR_TAKES_UMODE_T],
+ [define if inode.i_op->mkdir takes a umode_t argument],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_IOP_CREATE_TAKES_UMODE_T], [
+ AC_CHECK_LINUX_BUILD([whether inode.i_op->create takes a umode_t argument],
+ [ac_cv_linux_iop_create_takes_umode_t],
+ [#include <linux/fs.h>],
+ [struct inode_operations _i_ops;
+ int _create(struct inode *i, struct dentry *d, umode_t m, struct nameidata *n)
+ {return 0;};
+ _i_ops.create = _create;],
+ [IOP_CREATE_TAKES_UMODE_T],
+ [define if inode.i_op->create takes a umode_t argument],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES], [
+ AC_CHECK_LINUX_BUILD([whether export operation encode_fh takes inode arguments],
+ [ac_cv_linux_export_op_encode_fh__takes_inodes],
+ [#include <linux/exportfs.h>],
+ [struct export_operations _exp_ops;
+ int _encode_fh(struct inode *i, __u32 *fh, int *len, struct inode *p)
+ {return 0;};
+ _exp_ops.encode_fh = _encode_fh;],
+ [EXPORT_OP_ENCODE_FH_TAKES_INODES],
+ [define if encode_fh export op takes inode arguments],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE], [
+ AC_CHECK_LINUX_BUILD([whether kmap_atomic takes no km_type argument],
+ [ac_cv_linux_kma_atomic_takes_no_km_type],
+ [#include <linux/highmem.h>],
+ [struct page *p = NULL;
+ kmap_atomic(p);],
+ [KMAP_ATOMIC_TAKES_NO_KM_TYPE],
+ [define if kmap_atomic takes no km_type argument],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_DENTRY_OPEN_TAKES_PATH], [
+ AC_CHECK_LINUX_BUILD([whether dentry_open takes a path argument],
+ [ac_cv_linux_dentry_open_takes_path],
+ [#include <linux/fs.h>],
+ [struct path p;
+ dentry_open(&p, 0, NULL);],
+ [DENTRY_OPEN_TAKES_PATH],
+ [define if dentry_open takes a path argument],
+ [-Werror])
+])
+
+
+AC_DEFUN([LINUX_D_ALIAS_IS_HLIST], [
+ AC_CHECK_LINUX_BUILD([whether dentry->d_alias is an hlist],
+ [ac_cv_linux_d_alias_is_hlist],
+ [#include <linux/fs.h>],
+ [struct dentry *d = NULL;
+ struct hlist_node *hn = NULL;
+ d->d_alias = *hn;],
+ [D_ALIAS_IS_HLIST],
+ [define if dentry->d_alias is an hlist],
+ [])
+])
git://git.openafs.org / openafs.git / blobdiff