vol: avoid MAXINT redefinition warning in vnode.c

[openafs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 94376aa..a58f396 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -776,6 +776,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 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_block], [s_d_op], [fs.h])
                 AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
                                       [fs.h])
                 AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
@@ -812,7 +813,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                                     [struct timespec s;
                                      s = current_kernel_time();])
                 AC_CHECK_LINUX_FUNC([d_alloc_anon],
-                                    [#include <linux/dcache.h>],
+                                    [#include <linux/fs.h>],
                                     [d_alloc_anon(NULL);])
                 AC_CHECK_LINUX_FUNC([do_sync_read],
                                     [#include <linux/fs.h>],
@@ -877,6 +878,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_INODE_SETATTR_RETURN_TYPE
                 LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
                 LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
+                LINUX_IOP_I_PERMISSION_TAKES_FLAGS
                 LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
                 LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
                 LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
@@ -901,6 +903,8 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_KEY_ALLOC_NEEDS_CRED
                 LINUX_INIT_WORK_HAS_DATA
                 LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
+                LINUX_HAVE_DCACHE_LOCK
+                LINUX_D_COUNT_IS_INT
 
                 dnl If we are guaranteed that keyrings will work - that is
                 dnl  a) The kernel has keyrings enabled
@@ -1323,8 +1327,10 @@ AC_CHECK_FUNCS([ \
        mkstemp \
        pread \
        preadv \
+       preadv64 \
        pwrite \
        pwritev \
+       pwritev64 \
        regcomp \
        regerror \
        regexec \
@@ -1445,22 +1451,29 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
 ],
 [AC_MSG_RESULT(no)])
 
-AC_MSG_CHECKING([for positional I/O])
-if test "$ac_cv_func_pread" = "yes" && \
-        test "$ac_cv_func_pwrite" = "yes"; then
-   AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
-   AC_MSG_RESULT(yes)
-else
-  AC_MSG_RESULT(no)
-fi
-AC_MSG_CHECKING([for vectored positional I/O])
-if test "$ac_cv_func_preadv" = "yes" && \
-        test "$ac_cv_func_pwritev" = "yes"; then
-   AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
-   AC_MSG_RESULT(yes)
-else
-  AC_MSG_RESULT(no)
-fi
+case $AFS_SYSNAME in
+*hp_ux* | *hpux*)
+   AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
+   ;;
+*)
+   AC_MSG_CHECKING([for positional I/O])
+   if test "$ac_cv_func_pread" = "yes" && \
+           test "$ac_cv_func_pwrite" = "yes"; then
+      AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
+      AC_MSG_RESULT(yes)
+   else
+     AC_MSG_RESULT(no)
+   fi
+   AC_MSG_CHECKING([for vectored positional I/O])
+   AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
+               "$ac_cv_func_pwritev" = "yes" -a \
+              "$ac_cv_func_preadv64" = "yes" -a \
+              "$ac_cv_func_pwritev64" = "yes"],
+        [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
+         AC_MSG_RESULT(yes)],
+        [AC_MSG_RESULT(no)])
+   ;;
+esac
 
 AC_MSG_CHECKING([for POSIX regex library])
 if test "$ac_cv_header_regex_h" = "yes" && \
@@ -1666,7 +1679,9 @@ OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
 
 dnl Eventually, this will look for the system one, or for OpenSSL
 LIB_hcrypto="-lafshcrypto"
+LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
 AC_SUBST(LIB_hcrypto)
+AC_SUBST(LDFLAGS_hcrypto)
 ])
 
 AC_DEFUN([SUMMARY], [