linux-lock-tracking-20070208
[openafs.git] / acinclude.m4
index 3298140..50a9419 100644 (file)
@@ -120,7 +120,10 @@ case $system in
                 if test "x$with_linux_kernel_headers" != "x"; then
                   LINUX_KERNEL_PATH="$with_linux_kernel_headers"
                 else
-                  LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
+                  LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
+                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
+                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
+                  fi
                   if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
                     LINUX_KERNEL_PATH="/usr/src/linux-2.4"
                   fi
@@ -128,6 +131,10 @@ case $system in
                     LINUX_KERNEL_PATH="/usr/src/linux"
                   fi
                 fi
+               if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
+                linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
+                LINUX_VERSION="$linux_kvers"
+               else
                 if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
                  if test "x$linux_kvers" = "x"; then
@@ -150,6 +157,7 @@ case $system in
                 else
                     enable_kernel_module="no"
                  fi
+               fi
                 if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
                     enable_kernel_module="no"
                 fi
@@ -205,17 +213,6 @@ case $system in
         *-osf*)
                MKAFS_OSTYPE=DUX
                 AC_MSG_RESULT(alpha_dux)
-               if test "x$enable_kernel_module" = "xyes"; then
-                if test "x$with_dux_kernel_headers" != "x"; then
-                  HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
-                else
-                  HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
-                fi
-               fi
-               if test "$HEADER_RT" = "*" ; then
-                       AC_MSG_ERROR([Need a configured kernel directory])
-               fi
-               AC_SUBST([HEADER_RT])
                 ;;
         powerpc-*-darwin*)
                MKAFS_OSTYPE=DARWIN
@@ -266,61 +263,53 @@ else
                        AFS_SYSNAME="i386_fbsd_${vM}${vm}"
                        ;;
                i?86-*-netbsd*1.5*)
-                       AFS_PARAM_COMMON=param.nbsd15.h
                        AFS_SYSNAME="i386_nbsd15"
                        ;;
                alpha-*-netbsd*1.5*)
-                       AFS_PARAM_COMMON=param.nbsd15.h
                        AFS_SYSNAME="alpha_nbsd15"
                        ;;
                i?86-*-netbsd*1.6[[M-Z]]*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="i386_nbsd20"
                        ;;
                powerpc-*-netbsd*1.6[[M-Z]]*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="ppc_nbsd20"
                        ;;
                i?86-*-netbsd*2.0*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="i386_nbsd20"
                        ;;
                amd64-*-netbsd*2.0*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="amd64_nbsd20"
                        ;;
                powerpc-*-netbsd*2.0*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="ppc_nbsd20"
                        ;;
                i?86-*-netbsd*1.6*)
-                       AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="i386_nbsd16"
                        ;;
                alpha-*-netbsd*1.6*)
-                       AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="alpha_nbsd16"
                        ;;
                powerpc-*-netbsd*1.6*)
-                       AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="ppc_nbsd16"
                        ;;
                i?86-*-netbsd*2.1*)
-                       AFS_PARAM_COMMON=param.nbsd21.h
                        AFS_SYSNAME="i386_nbsd21"
                        ;;
                i?86-*-netbsd*2.99*)
-                       AFS_PARAM_COMMON=param.nbsd30.h
                        AFS_SYSNAME="i386_nbsd30"
                        ;;
-               i?86-*-netbsd*3.0*)
-                       AFS_PARAM_COMMON=param.nbsd30.h
+               i?86-*-netbsd*3.[[0-8]]*)
                        AFS_SYSNAME="i386_nbsd30"
                        ;;
                i?86-*-netbsd*3.99*)
-                       AFS_PARAM_COMMON=param.nbsd30.h
                        AFS_SYSNAME="i386_nbsd30"
                        ;;
+               i?86-*-netbsd*4.[[0-8]]*)
+                       AFS_SYSNAME="i386_nbsd40"
+                       ;;
+               i?86-*-netbsd*4.99*)
+                       AFS_SYSNAME="i386_nbsd40"
+                       ;;
                hppa*-hp-hpux11.0*)
                        AFS_SYSNAME="hp_ux110"
                        ;;
@@ -430,6 +419,9 @@ else
                sparc-sun-solaris2.10)
                        AFS_SYSNAME="sun4x_510"
                        ;;
+               sparc-sun-solaris2.11)
+                       AFS_SYSNAME="sun4x_511"
+                       ;;
                sparc-sun-sunos4*)
                        AFS_SYSNAME="sun4_413"
                        enable_login="yes"
@@ -446,6 +438,9 @@ else
                i386-pc-solaris2.10)
                        AFS_SYSNAME="sunx86_510"
                        ;;
+               i386-pc-solaris2.11)
+                       AFS_SYSNAME="sunx86_511"
+                       ;;
                alpha*-dec-osf4.0*)
                        AFS_SYSNAME="alpha_dux40"
                        ;;
@@ -543,6 +538,20 @@ else
         AC_MSG_RESULT($AFS_SYSNAME)
 fi
 
+dnl Some hosts have a separate common param file they should include.  Figure
+dnl out if we're on one of them now that we know the sysname.
+case $AFS_SYSNAME in
+    *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
+    *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
+    *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
+    *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
+    *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
+    *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
+    *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
+    *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
+    *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
+esac
+
 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 
                # Add (sub-) architecture-specific paths needed by conftests
@@ -569,6 +578,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                   [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
                   [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
                 )
+
+                LINUX_KERNEL_COMPILE_WORKS
+                LINUX_CONFIG_H_EXISTS
                 LINUX_COMPLETION_H_EXISTS
                 LINUX_DEFINES_FOR_EACH_PROCESS
                 LINUX_DEFINES_PREV_TASK
@@ -576,6 +588,8 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
                 LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
                 LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
+                LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
+                LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
                 LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
                 LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
                 LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
@@ -587,8 +601,12 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
                 LINUX_INODE_SETATTR_RETURN_TYPE
                 LINUX_WRITE_INODE_RETURN_TYPE
-                LINUX_IOP_NAMEIDATA
+                LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
+                LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
+                LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
+                LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
                 LINUX_AOP_WRITEBACK_CONTROL
+                LINUX_FS_STRUCT_FOP_HAS_FLOCK
                 LINUX_KERNEL_LINUX_SYSCALL_H
                 LINUX_KERNEL_LINUX_SEQ_FILE_H
                 LINUX_KERNEL_SELINUX
@@ -604,7 +622,24 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
+                LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
+                LINUX_STATFS_TAKES_DENTRY
+                LINUX_FREEZER_H_EXISTS
+                if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
+                 AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
+                fi
                 LINUX_REFRIGERATOR
+                LINUX_LINUX_KEYRING_SUPPORT
+                LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
+                LINUX_DO_SYNC_READ
+                LINUX_GENERIC_FILE_AIO_READ
+                LINUX_INIT_WORK_HAS_DATA
+                 LINUX_EXPORTS_SYS_CHDIR
+                 LINUX_EXPORTS_SYS_CLOSE
+                 LINUX_EXPORTS_SYS_OPEN
+                 LINUX_EXPORTS_SYS_WAIT4
                 LINUX_WHICH_MODULES
                  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])
@@ -618,9 +653,6 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                    LINUX_EXPORTS_KALLSYMS_SYMBOL
                    LINUX_EXPORTS_SYS_CALL_TABLE
                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
-                   LINUX_EXPORTS_SYS_CHDIR
-                   LINUX_EXPORTS_SYS_CLOSE
-                   LINUX_EXPORTS_SYS_WAIT4
                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
                          linux_syscall_method=none
                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
@@ -650,6 +682,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$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_close" = "xyes" ; then
                  AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
                 fi
@@ -671,6 +706,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
                  AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
                 fi
+                if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
+                 AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
+                fi
                 if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
                  AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
                 fi
@@ -698,6 +736,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then 
                  AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
                 fi
+                if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
+                fi
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
                  AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
                 fi
@@ -761,6 +802,42 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then 
                  AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
                 fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
+                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_refrigerator_takes_pf_freeze" = "xyes" ; then
+                 AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
+                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_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_fs_struct_fop_has_flock" = "xyes" ; then
+                 AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
+                fi
                 :
                fi
 esac
@@ -1021,8 +1098,16 @@ AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
 
+dnl Don't build PAM on IRIX; the interface doesn't work for us.
 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
-       HAVE_PAM="yes"
+        case $AFS_SYSNAME in
+        sgi_*)
+                HAVE_PAM="no"
+                ;;
+        *)
+               HAVE_PAM="yes"
+                ;;
+        esac
 else
        HAVE_PAM="no"
 fi
@@ -1035,7 +1120,7 @@ else
 fi
 AC_SUBST(BUILD_LOGIN)
 
-AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec)
+AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
 AC_CHECK_FUNCS(setvbuf)
 AC_FUNC_SETVBUF_REVERSED