#undef FAST_RESTART
#undef DEFINED_FOR_EACH_PROCESS
#undef DEFINED_PREV_TASK
-#undef EXPORTED_KALLSYMS_SYMBOL
#undef EXPORTED_SYS_CALL_TABLE
#undef EXPORTED_IA32_SYS_CALL_TABLE
-#undef EXPORTED_TASKLIST_LOCK
-#undef INODE_SETATTR_NOT_VOID
#undef IRIX_HAS_MEM_FUNCS
#undef RECALC_SIGPENDING_TAKES_VOID
#undef STRUCT_FS_HAS_FS_ROLLED
OPENAFS_GCC_SUPPORTS_NO_COMMON
OPENAFS_GCC_SUPPORTS_PIPE
AC_SUBST(LINUX_GCC_KOPTS)
- ifdef([OPENAFS_CONFIGURE_LIBAFS],
- [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
- [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
- )
- LINUX_KBUILD_USES_EXTRA_CFLAGS
+ dnl Setup the kernel build environment
+ LINUX_KBUILD_USES_EXTRA_CFLAGS
LINUX_KERNEL_COMPILE_WORKS
- AC_CHECK_LINUX_FUNC([find_task_by_pid],
- [#include <linux/sched.h>],
- [pid_t p; find_task_by_pid(p);])
- LINUX_EXPORTS_PROC_ROOT_FS
- AC_CHECK_LINUX_FUNC([current_kernel_time],
- [#include <linux/time.h>],
- [struct timespec s = current_kernel_time();])
+
+ dnl Check for header files
+ AC_CHECK_LINUX_HEADER([config.h])
+ AC_CHECK_LINUX_HEADER([completion.h])
+ AC_CHECK_LINUX_HEADER([exportfs.h])
+ AC_CHECK_LINUX_HEADER([freezer.h])
+ AC_CHECK_LINUX_HEADER([key-type.h])
+ AC_CHECK_LINUX_HEADER([semaphore.h])
+ AC_CHECK_LINUX_HEADER([seq_file.h])
+
+ dnl Check for structure elements
AC_CHECK_LINUX_STRUCT([address_space_operations],
[write_begin], [fs.h])
+ AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
+ [backing-dev.h])
+ AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
+ AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
+ AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
+ AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
+ AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
+ AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
+ AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
+ AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
+ AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
+ AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
+ AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
+ [fs.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
+ AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
+ LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
+
+ dnl Function existence checks
+
AC_CHECK_LINUX_FUNC([bdi_init],
[#include <linux/backing-dev.h>],
[bdi_init(NULL);])
- LINUX_KMEM_CACHE_INIT
- LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
- LINUX_HAVE_PAGEVEC_LRU_ADD_FILE
- LINUX_HAVE_SPLICE_DIRECT_TO_ACTOR
- LINUX_HAVE_PAGE_OFFSET
- LINUX_HAVE_ZERO_USER_SEGMENTS
- LINUX_HAVE_VFS_LLSEEK
- LINUX_HAVE_KERNEL_SETSOCKOPT
- AC_CHECK_LINUX_FUNC([grap_cache_page_write_begin],
+ AC_CHECK_LINUX_FUNC([ctl_table], [ctl_name], [sysctl.h])
+ AC_CHECK_LINUX_FUNC([current_kernel_time],
+ [#include <linux/time.h>],
+ [struct timespec s;
+ s = current_kernel_time();])
+ AC_CHECK_LINUX_FUNC([d_alloc_anon],
+ [#include <linux/dcache.h>],
+ [d_alloc_anon(NULL);])
+ AC_CHECK_LINUX_FUNC([do_sync_read],
+ [#include <linux/fs.h>],
+ [do_sync_read(NULL, NULL, 0, NULL);])
+ AC_CHECK_LINUX_FUNC([find_task_by_pid],
+ [#include <linux/sched.h>],
+ [pid_t p; find_task_by_pid(p);])
+ AC_CHECK_LINUX_FUNC([generic_file_aio_read],
+ [#include <linux/fs.h>],
+ [generic_file_aio_read(NULL,NULL,0,0);])
+ AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
+ [#include <linux/pagemap.h>],
+ [grab_cache_page_write_begin(NULL, 0, 0);])
+ AC_CHECK_LINUX_FUNC([hlist_unhashed],
+ [#include <linux/list.h>],
+ [hlist_unhashed(0);])
+ AC_CHECK_LINUX_FUNC([i_size_read],
+ [#include <linux/fs.h>],
+ [i_size_read(NULL);])
+ AC_CHECK_LINUX_FUNC([iget],
+ [#include <linux/fs.h>],
+ [iget(NULL, NULL);])
+ AC_CHECK_LINUX_FUNC([kernel_setsockopt],
+ [#include <linux/net.h>],
+ [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
+ AC_CHECK_LINUX_FUNC([page_follow_link],
+ [#include <linux/fs.h>],
+ [page_follow_link(0,0);])
+ AC_CHECK_LINUX_FUNC([page_offset],
[#include <linux/pagemap.h>],
- [grab_cache_page_write_begin(NULL, 0, 0);])
+ [page_offset(NULL);])
AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
[#include <linux/pagevec.h>],
[__pagevec_lru_add_file(NULL);])
+ AC_CHECK_LINUX_FUNC([rcu_read_lock],
+ [#include <linux/rcupdate.h>],
+ [rcu_read_lock();])
AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
[#include <linux/splice.h>],
- [splice_direct_to_actor(NULL, NULL, NULL);])
- AC_CHECK_LINUX_FUNC([page_offset],
- [#include <linux/pagemap.h>],
- [page_offset(NULL);])
- AC_CHECK_LINUX_FUNC([zero_user_segments],
- [#include <linux/highmem.h>],
- [zero_user_segments(NULL, 0, 0, 0, 0);])
+ [splice_direct_to_actor(NULL,NULL,NULL);])
+ AC_CHECK_LINUX_FUNC([svc_addr_in],
+ [#include <linux/sunrpc/svc.h>],
+ [svc_addr_in(NULL);])
AC_CHECK_LINUX_FUNC([vfs_llseek],
[#include <linux/fs.h>],
[vfs_llseek(NULL, 0, 0);])
- AC_CHECK_LINUX_FUNC([kernel_setsockopt],
- [#include <linux/net.h>],
- [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
- AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
- AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
+ AC_CHECK_LINUX_FUNC([zero_user_segments],
+ [#include <linux/highmem.h>],
+ [zero_user_segments(NULL, 0, 0, 0, 0);])
+
+ dnl Consequences - things which get set as a result of the
+ dnl above tests
+ AS_IF([test "x$ac_cv_linux_func_iget" = "xno"],
+ [AC_DEFINE([LINUX_USE_FH], 1,
+ [define to use linux file handles for cache files])])
+ AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
+ [AC_DEFINE([AFS_NONFSTRANS], 1,
+ [define to disable the nfs translator])])
+
+ dnl Assorted more complex tests
+ LINUX_EXPORTS_PROC_ROOT_FS
+ LINUX_KMEM_CACHE_INIT
LINUX_HAVE_KMEM_CACHE_T
LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
LINUX_D_PATH_TAKES_STRUCT_PATH
LINUX_NEW_EXPORT_OPS
- AC_CHECK_LINUX_HEADER([config.h])
- AC_CHECK_LINUX_HEADER([completion.h])
- AC_CHECK_LINUX_HEADER([semaphore.h])
- AC_CHECK_LINUX_HEADER([exportfs.h])
- LINUX_DEFINES_FOR_EACH_PROCESS
- LINUX_DEFINES_PREV_TASK
- AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
- [fs.h])
- AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
- AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
- [backing-dev.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
- AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
- LINUX_INODE_SETATTR_RETURN_TYPE
- LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
- LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
+ LINUX_INODE_SETATTR_RETURN_TYPE
+ LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
+ LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
LINUX_AOP_WRITEBACK_CONTROL
- AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
- AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
LINUX_FS_STRUCT_FOP_HAS_SPLICE
- AC_CHECK_LINUX_HEADER([seq_file.h])
LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
LINUX_KERNEL_SOCK_CREATE
- AC_CHECK_LINUX_FUNC([page_follow_link],
- [#include <linux/fs.h>],
- [page_follow_link(0,0);])
- AC_CHECK_LINUX_FUNC([hlist_unhashed],
- [#include <linux/list.h>],
- [hlist_unhashed(0);])
- AC_CHECK_LINUX_HEADER([key-type.h])
LINUX_EXPORTS_KEY_TYPE_KEYRING
LINUX_KEYS_HAVE_SESSION_TO_PARENT
LINUX_NEED_RHCONFIG
LINUX_RECALC_SIGPENDING_ARG_TYPE
- AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
- LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
- AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
- AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
LINUX_EXPORTS_TASKLIST_LOCK
LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
LINUX_STATFS_TAKES_DENTRY
- AC_CHECK_LINUX_HEADER([freezer.h])
- LINUX_HAVE_SVC_ADDR_IN
LINUX_REFRIGERATOR
LINUX_HAVE_TRY_TO_FREEZE
LINUX_LINUX_KEYRING_SUPPORT
LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
LINUX_KEY_ALLOC_NEEDS_CRED
- AC_CHECK_LINUX_FUNC([do_sync_read],
- [#include <linux/fs.h>],
- [do_sync_read(NULL, NULL, 0, NULL);])
- AC_CHECK_LINUX_FUNC([generic_file_aio_read],
- [#include <linux/fs.h>],
- [generic_file_aio_read(NULL, NULL, 0, 0);])
LINUX_INIT_WORK_HAS_DATA
LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
LINUX_SYSCTL_TABLE_CHECKING
- AC_CHECK_LINUX_FUNC([ctl_table], [ctl_name], [sysctl.h])
- AC_CHECK_LINUX_FUNC([iget],
- [#include <linux/fs.h>],
- [iget(NULL, NULL);])
- AS_IF([test "x$ac_cv_linux_func_iget" = "xno"],
- [AC_DEFINE([LINUX_USE_FH], 1,
- [define to use linux file handles for cache files])])
- AC_CHECK_LINUX_FUNC([i_size_read],
- [#include <linux/fs.h>],
- [i_size_read(NULL);])
- AC_CHECK_LINUX_FUNC([d_alloc_anon],
- [#include <linux/dcache.h>],
- [d_alloc_anon(NULL);])
- AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
- [AC_DEFINE([AFS_NONFSTRANS], 1,
- [define to disable the nfs translator])])
- AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
LINUX_EXPORTS_INIT_MM
LINUX_EXPORTS_SYS_CHDIR
LINUX_EXPORTS_SYS_OPEN
- AC_CHECK_LINUX_FUNC([rcu_read_lock],
- [#include <linux/rcupdate.h>],
- [rcu_read_lock();])
+
+ dnl Packaging and SMP build
if test "x$with_linux_kernel_packaging" = "xno" ; then
LINUX_WHICH_MODULES
else
AC_SUBST(MPS,'SP')
fi
+
+ dnl Syscall probing
if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
ac_cv_linux_exports_sys_call_table=no
if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
fi
- if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
- AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
- fi
- if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
- AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
- fi
- if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
- AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
- fi
- if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
- AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
- fi
- if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
- AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
- fi
- if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
- AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
- fi
- if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
- AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
- fi
- if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
- AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
- fi
- if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
- AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
- fi
- if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
- AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
- fi
- if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
- AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
- fi
- if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
- AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
- fi
- if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
- AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
- fi
- if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
- AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
- fi
- if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
- AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
- fi
- if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
- AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
- fi
- if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
- AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
- fi
- if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
- AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
- fi
- if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
- AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
- fi
- if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
- AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
- fi
- if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
- AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
- fi
- if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
- AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
- fi
- if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
- AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
- fi
- if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
- AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
- fi
- if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
- AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
- fi
- if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
- AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
- fi
- if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
- AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
- fi
- if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
- AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
- fi
if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
else
AC_MSG_WARN([your kernel does not have a usable symlink cache API])
fi
- if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
- AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
- fi
:
fi
esac
git://git.openafs.org / openafs.git / blobdiff