linux24-handle-inode-address-space-page-lock-spinlock-20010712
[openafs.git] / configure.in
index d0fd20c..5087e39 100644 (file)
@@ -3,7 +3,7 @@ AM_INIT_AUTOMAKE(openafs,devel)
 AC_CANONICAL_HOST
 AC_CONFIG_HEADER(src/config/afsconfig.h)
 
-#BOZO_SAVE_CORES BOS_RESTRICTED_MODE BOS_NEW_CONFIG pam sia  BITMAP_LATER FAST_RESTART
+#BOZO_SAVE_CORES BOS_RESTRICTED_MODE BOS_NEW_CONFIG pam sia
 AC_ARG_WITH(afs-sysname,
 [  --with-afs-sysname=sys    use sys for the afs sysname]
 )
@@ -17,9 +17,19 @@ AC_ARG_ENABLE( bos-restricted-mode,
 [  --enable-bos-restricted-mode        enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
 AC_ARG_ENABLE( namei-fileserver,
 [  --enable-namei-fileserver           force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
+AC_ARG_ENABLE( fast-restart,
+[  --enable-fast-restart               enable fast startup of file server without salvaging],, enable_fast_restart="no")
+AC_ARG_ENABLE( bitmap-later,
+[  --enable-bitmap-later               enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
+AC_ARG_WITH(dux-kernel-headers,
+[  --with-dux-kernel-headers=path      use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
+)
 AC_ARG_WITH(linux-kernel-headers,
 [  --with-linux-kernel-headers=path            use the kernel headers found at path(optional, defaults to /usr/src/linux)]
 )
+AC_ARG_ENABLE(kernel-module,
+[  --disable-kernel-module                     disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
+)
 
 AC_PROG_CC
 
@@ -49,26 +59,53 @@ system=$host
 case $system in
         *-linux*)
                MKAFS_OSTYPE=LINUX
-               if test "x$with_linux_kernel_headers" != "x"; then
-                       LINUX_KERNEL_PATH="$with_linux_kernel_headers"
-               else
-                       LINUX_KERNEL_PATH="/usr/src/linux"
-               fi
-               if test -f "$with_linux_kernel_headers/include/linux/version.h"; then
-                linux_kvers=`fgrep UTS_RELEASE $with_linux_kernel_headers/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $2 }'`
-                if test "x$linux_kvers" = "x"; then
-                 AC_MSG_ERROR(Linux headers lack version definition)
-                 exit 1
+               if test "x$enable_kernel_module" = "xyes"; then
+                if test "x$with_linux_kernel_headers" != "x"; then
+                  LINUX_KERNEL_PATH="$with_linux_kernel_headers"
                 else
-                 LINUX_VERSION="$linux_kvers"
+                  LINUX_KERNEL_PATH="/usr/src/linux"
+                fi
+                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 $2 }'|tail -1`
+                 if test "x$linux_kvers" = "x"; then
+                   AC_MSG_ERROR(Linux headers lack version definition)
+                   exit 1
+                 else
+                   LINUX_VERSION="$linux_kvers"
+                 fi
+                else
+                    enable_kernel_module="no"
+                 fi
+                if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
+                    enable_kernel_module="no"
+                fi
+                if test "x$enable_kernel_module" = "xno"; then
+                 if test "x$with_linux_kernel_headers" != "x"; then
+                  AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
+                  exit 1
+                 else
+                  AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
+                 fi
                 fi
-               else
-                AC_MSG_ERROR(No linux headers found at $with_linux_kernel_headers)
-                exit 1
                fi
-                AC_MSG_RESULT(linux)
-               LINUX_FS_STRUCT_INODE_HAS_I_BYTES
-               LINUX_INODE_SETATTR_RETURN_TYPE
+               AC_MSG_RESULT(linux)
+               if test "x$enable_kernel_module" = "xyes"; then
+                LINUX_FS_STRUCT_INODE_HAS_I_BYTES
+                LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
+                LINUX_INODE_SETATTR_RETURN_TYPE
+                LINUX_NEED_RHCONFIG
+                LINUX_WHICH_MODULES
+                if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
+                 AC_DEFINE(INODE_SETATTR_NOT_VOID)
+                fi
+                if test "x$ac_cv_linux_fs_struct_inode_has_i_bytes" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_BYTES)
+                fi
+                if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
+                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK)
+                fi
+                :
+               fi
                 ;;
         *-solaris*)
                MKAFS_OSTYPE=SOLARIS
@@ -89,6 +126,17 @@ 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])
                 ;;
         *-darwin*)
                MKAFS_OSTYPE=DARWIN
@@ -103,6 +151,81 @@ case $system in
                 ;;
 esac
 
+if test "x$with_afs_sysname" != "x"; then
+        AFS_SYSNAME="$with_afs_sysname"
+else
+       AC_MSG_CHECKING(your AFS sysname)
+       case $host in
+               i?86-*-freebsd4.2*)
+                       AFS_SYSNAME="i386_fbsd_42"
+                       ;;
+               hppa-hp-hpux11*)
+                       AFS_SYSNAME="hp_ux110"
+                       ;;
+               hppa-hp-hpux10*)
+                       AFS_SYSNAME="hp_ux102"
+                       ;;
+               ppc-apple-darwin*)
+                       AFS_SYSNAME="ppc_darwin13"
+                       ;;
+               sparc-sun-solaris2.5*)
+                       AFS_SYSNAME="sun4x_55"
+                       ;;
+               sparc-sun-solaris2.6)
+                       AFS_SYSNAME="sun4x_56"
+                       ;;
+               sparc-sun-solaris2.7)
+                       AFS_SYSNAME="sun4x_57"
+                       ;;
+               sparc-sun-solaris2.8)
+                       AFS_SYSNAME="sun4x_58"
+                       ;;
+               alpha*-dec-osf4.0*)
+                       AFS_SYSNAME="alpha_dux40"
+                       ;;
+               alpha*-dec-osf5.0*)
+                       AFS_SYSNAME="alpha_dux50"
+                       ;;
+               mips-sgi-irix6.5)
+                       AFS_SYSNAME="sgi_65"
+                       ;;
+               powerpc-*-linux*)
+                       AFS_SYSNAME="ppc_linuxXX"
+                       ;;
+               alpha*-linux*)
+                       AFS_SYSNAME="alpha_linux_XX"
+                       ;;
+               sparc-*-linux*)
+                       AFS_SYSNAME="sparc_linuxXX"
+                       ;;
+               sparc64-*-linux*)
+                       AFS_SYSNAME="sparc64_linuxXX"
+                       ;;
+               i?86-*-linux*)
+                       AFS_SYSNAME="i386_linuxXX"
+                       ;;
+               power*-ibm-aix4.2*)
+                       AFS_SYSNAME="rs_aix42"
+                       ;;
+               power*-ibm-aix4.3*)
+                       AFS_SYSNAME="rs_aix42"
+                       ;;
+               default)
+                       AC_MSG_ERROR(An AFS sysname is required)
+                       exit 1
+                       ;;
+       esac
+       case $AFS_SYSNAME in
+               *_linux*)
+                       AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $1 $2}'`
+                       _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
+                       AFS_SYSNAME="$_AFS_SYSNAME"
+                       ;;
+       esac
+        AC_MSG_RESULT($AFS_SYSNAME)
+fi
+
+
 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
         echo Skipping library tests because they confuse Irix.
 else
@@ -111,7 +234,7 @@ else
   if test "$ac_cv_func_socket" = no; then
     for lib in socket inet; do
         if test "$HAVE_SOCKET" != 1; then
-                AC_CHECK_LIB($lib, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET))
+                AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET))
         fi
     done
   fi
@@ -121,7 +244,7 @@ else
   if test "$ac_cv_func_connect" = no; then
     for lib in nsl; do
         if test "$HAVE_CONNECT" != 1; then
-                AC_CHECK_LIB($lib, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT))
+                AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT))
         fi
     done
   fi
@@ -130,7 +253,7 @@ else
   if test "$ac_cv_func_gethostbyname" = no; then
         for lib in dns nsl resolv; do
           if test "$HAVE_GETHOSTBYNAME" != 1; then
-            AC_CHECK_LIB($lib, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME))
+            AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME))
           fi
         done    
   fi    
@@ -139,7 +262,7 @@ else
   if test "$ac_cv_func_res_search" = no; then
         for lib in dns nsl resolv; do
           if test "$HAVE_RES_SEARCH" != 1; then
-            AC_CHECK_LIB($lib, res_search, LIBS="$LIBS -l$lib";HAVE_RES_SEARCH=1;AC_DEFINE(HAVE_RES_SEARCH))
+            AC_CHECK_LIB(${lib}, res_search, LIBS="$LIBS -l$lib";HAVE_RES_SEARCH=1;AC_DEFINE(HAVE_RES_SEARCH))
           fi
         done    
        if test "$HAVE_RES_SEARCH" = 1; then
@@ -163,7 +286,7 @@ if test "x$PTHREAD_LIBS" = xerror; then
         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
 fi
 if test "x$PTHREAD_LIBS" = xerror; then
-        AC_MSG_ERROR(*** Unable to locate working posix thread library ***)
+        AC_MSG_WARN(*** Unable to locate working posix thread library ***)
 fi
 AC_SUBST(PTHREAD_LIBS)
 
@@ -177,12 +300,13 @@ if test "$enable_insecure" = "yes"; then
        WITH_INSECURE=YES
 fi
 
-# Should autocompute a default
-if test "x$with_afs_sysname" != "x"; then
-       AFS_SYSNAME="$with_afs_sysname"
-else
-       AC_MSG_ERROR(An AFS sysname is required)
-       exit 1
+# Fast restart
+if test "$enable_fast_restart" = "yes"; then
+       AC_DEFINE(FAST_RESTART)
+fi
+
+if test "$enable_bitmap_later" = "yes"; then
+       AC_DEFINE(BITMAP_LATER)
 fi
 
 if test "$enable_bos_restricted_mode" = "yes"; then
@@ -214,7 +338,12 @@ AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h)
 
 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf re_comp re_exec)
 
+if test "x$enable_kernel_module" = "xyes"; then
+ENABLE_KERNEL_MODULE=libafs
+fi
+
 AC_SUBST(AFS_SYSNAME)
+AC_SUBST(ENABLE_KERNEL_MODULE)
 AC_SUBST(LIB_AFSDB)
 AC_SUBST(LINUX_KERNEL_PATH)
 AC_SUBST(LINUX_VERSION)