Branch HEAD

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 820355f..7a628c0 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -8,7 +8,7 @@
 AC_DEFUN([LC_CONFIG_SRCDIR],
 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
 ])
-                           
+
 #
 # LC_PATH_DEFAULTS
 #
@@ -598,6 +598,21 @@ AC_DEFUN([LC_EXPORT___IGET],
 ])
 ])
 
+#
+# LC_EXPORT_NR_FREE_BUFFER_PAGES
+# starting from 2.6.23 linux kernel exports nr_free_buffer_pages()
+#
+AC_DEFUN([LC_EXPORT_NR_FREE_BUFFER_PAGES],
+[LB_CHECK_SYMBOL_EXPORT([nr_free_buffer_pages],
+[mm/page_alloc.c],[
+        AC_DEFINE(HAVE_EXPORT_NR_FREE_BUFFER_PAGES, 1, [kernel exports nr_free_buffer_pages])
+],[
+       if test x$enable_server = xyes ; then
+               AC_MSG_ERROR([lustre server needs this symbol to be exported.])
+       fi
+])
+])
+
 
 AC_DEFUN([LC_LUSTRE_VERSION_H],
 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
@@ -636,6 +651,27 @@ LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
 ])
 ])
 
+AC_DEFUN([LC_SUNRPC_CACHE],
+[AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
+LB_LINUX_TRY_COMPILE([
+        #include <linux/sunrpc/cache.h>
+],[
+        struct cache_head ch;
+        &ch.ref.refcount;
+],[
+        AC_MSG_RESULT([yes])
+        AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
+],[
+        AC_MSG_RESULT([no])
+])
+])
+
+AC_DEFUN([LC_CONFIG_SUNRPC],
+[LB_LINUX_CONFIG_IM([SUNRPC],[],
+                    [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
+ LC_SUNRPC_CACHE
+])
+
 #
 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
 #
@@ -676,18 +712,26 @@ AC_DEFUN([LC_CONFIG_GSS],
 
  if test x$enable_gss == xyes; then
        LC_CONFIG_GSS_KEYRING
+        LC_CONFIG_SUNRPC
 
-        LB_LINUX_CONFIG_IM([CRYPTO_DES],[],
-                           [AC_MSG_WARN([kernel DES support is recommended by using GSS.])])
         LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
                            [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
+       LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
+                           [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
        LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
                            [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
        LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
                            [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
+       LB_LINUX_CONFIG_IM([CRYPTO_WP512],[],
+                           [AC_MSG_WARN([kernel WP512 support is recommended by using GSS.])])
        LB_LINUX_CONFIG_IM([CRYPTO_ARC4],[],
                            [AC_MSG_WARN([kernel ARC4 support is recommended by using GSS.])])
-
+        LB_LINUX_CONFIG_IM([CRYPTO_DES],[],
+                           [AC_MSG_WARN([kernel DES support is recommended by using GSS.])])
+        LB_LINUX_CONFIG_IM([CRYPTO_TWOFISH],[],
+                           [AC_MSG_WARN([kernel TWOFISH support is recommended by using GSS.])])
+        LB_LINUX_CONFIG_IM([CRYPTO_CAST6],[],
+                           [AC_MSG_WARN([kernel CAST6 support is recommended by using GSS.])])
        dnl FIXME
        dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
        dnl FIXME
@@ -696,7 +740,9 @@ AC_DEFUN([LC_CONFIG_GSS],
 
        AC_CHECK_LIB([gssapi], [gss_init_sec_context],
                      [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
-                     [AC_MSG_ERROR([libgssapi is not found, which is required by GSS.])],)
+                     [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
+                                   [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
+                                   [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
 
        AC_SUBST(GSSAPI_LIBS)
 
@@ -1162,6 +1208,24 @@ AC_DEFINE(HAVE___D_REHASH, 1,
 ])
 ])
 
+AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
+[LB_CHECK_SYMBOL_EXPORT([d_move_locked],
+[fs/dcache.c],[
+AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
+            [d_move_locked is exported by the kernel])
+],[
+])
+])
+
+AC_DEFUN([LC_EXPORT___D_MOVE],
+[LB_CHECK_SYMBOL_EXPORT([__d_move],
+[fs/dcache.c],[
+AC_DEFINE(HAVE___D_MOVE, 1,
+            [__d_move is exported by the kernel])
+],[
+])
+])
+
 # The actual symbol exported varies among architectures, so we need
 # to check many symbols (but only in the current architecture.)  No
 # matter what symbol is exported, the kernel #defines node_to_cpumask
@@ -1323,10 +1387,12 @@ EXTRA_KCFLAGS="$tmp_flags"
 AC_DEFUN([LC_CONST_ACL_SIZE],
 [AC_MSG_CHECKING([calc acl size])
 tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -I $LINUX/include $EXTRA_KCFLAGS"
+CFLAGS="$CFLAGS -I $LINUX_OBJ/include $EXTRA_KCFLAGS"
 AC_TRY_RUN([
+#define __KERNEL__
 #include <linux/autoconf.h>
 #include <linux/types.h>
+#undef __KERNEL__
 // block include 
 #define __LINUX_POSIX_ACL_H
 
@@ -1363,6 +1429,23 @@ int main(void)
 CFLAGS="$tmp_flags"
 ])
 
+#
+# check for crypto API 
+#
+AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
+[AC_MSG_CHECKING([if kernel has block cipher support])
+LB_LINUX_TRY_COMPILE([
+        #include <linux/crypto.h>
+],[
+        int v = CRYPTO_ALG_TYPE_BLKCIPHER;
+],[
+        AC_MSG_RESULT([yes])
+        AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
+],[
+        AC_MSG_RESULT([no])
+])
+])
+
 
 #
 # LC_PROG_LINUX
@@ -1387,6 +1470,8 @@ AC_DEFUN([LC_PROG_LINUX],
          LC_EXPORT_TRUNCATE_COMPLETE
          LC_EXPORT_D_REHASH_COND
          LC_EXPORT___D_REHASH
+         LC_EXPORT_D_MOVE_LOCKED
+         LC_EXPORT___D_MOVE
          LC_EXPORT_NODE_TO_CPUMASK
 
          LC_STRUCT_KIOBUF
@@ -1467,10 +1552,12 @@ AC_DEFUN([LC_PROG_LINUX],
                  
         # 2.6.22
          LC_INVALIDATE_BDEV_2ARG
+         LC_ASYNC_BLOCK_CIPHER
          # 2.6.23
          LC_UNREGISTER_BLKDEV_RETURN_INT
          LC_KERNEL_SPLICE_READ
          LC_HAVE_EXPORTFS_H
+         LC_EXPORT_NR_FREE_BUFFER_PAGES
 ])
 
 #
@@ -1695,6 +1782,20 @@ LC_READLINK_SSIZE_T
 # utils/llverfs.c
 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
 
+# check for -lz support
+ZLIB=""
+AC_CHECK_LIB([z],
+             [adler32],
+             [AC_CHECK_HEADERS([zlib.h],
+                               [ZLIB="-lz"
+                                AC_DEFINE([HAVE_ADLER], 1,
+                                          [support alder32 checksum type])],
+                               [AC_MSG_WARN([No zlib-devel package found,
+                                             unable to use adler32 checksum])])],
+             [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
+)
+AC_SUBST(ZLIB)
+
 # Super safe df
 AC_ARG_ENABLE([mindf],
       AC_HELP_STRING([--enable-mindf],