DEVEL15-sysctl-table-checking-modpost-fun-fun-20080127

[openafs.git] / src / cf / linux-test4.m4

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index afddc82..48bbe30 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -728,11 +728,28 @@ extern int vfs_statfs(struct dentry *, struct kstatfs *);
       ac_cv_linux_statfs_takes_dentry=no)])
   AC_MSG_RESULT($ac_cv_linux_statfs_takes_dentry)])
 
+
+AC_DEFUN([LINUX_KEY_TYPE_H_EXISTS], [
+  AC_MSG_CHECKING([for linux/key-type.h existance])
+  AC_CACHE_VAL([ac_cv_linux_key_type_h_exists], [
+    AC_TRY_KBUILD(
+[#include <linux/key-type.h>],
+[return;],
+      ac_cv_linux_key_type_h_exists=yes,
+      ac_cv_linux_key_type_h_exists=no)])
+  AC_MSG_RESULT($ac_cv_linux_key_type_h_exists)
+  if test "x$ac_cv_linux_key_type_h_exists" = "xyes"; then
+    AC_DEFINE([KEY_TYPE_H_EXISTS], 1, [define if linux/key-type.h exists])
+  fi])
+
 AC_DEFUN([LINUX_LINUX_KEYRING_SUPPORT], [
   AC_MSG_CHECKING([for linux kernel keyring support])
   AC_CACHE_VAL([ac_cv_linux_keyring_support], [
     AC_TRY_KBUILD(
 [#include <linux/rwsem.h>
+#ifdef KEY_TYPE_H_EXISTS
+#include <linux/key-type.h>
+#endif
 #include <linux/key.h>
 #include <linux/keyctl.h>],
 [#ifdef CONFIG_KEYS
@@ -933,3 +950,37 @@ _fop.splice_read(NULL, NULL, NULL, 0, 0);],
       ac_cv_linux_fs_struct_fop_has_splice=no)])
   AC_MSG_RESULT($ac_cv_linux_fs_struct_fop_has_splice)])
 
+AC_DEFUN([LINUX_HAVE_CURRENT_KERNEL_TIME], [
+  AC_MSG_CHECKING([for current_kernel_time()])
+  AC_CACHE_VAL([ac_cv_linux_have_current_kernel_time], [
+    AC_TRY_KBUILD(
+[#include <linux/time.h>],
+[struct timespec s = current_kernel_time();],
+      ac_cv_linux_have_current_kernel_time=yes,
+      ac_cv_linux_have_current_kernel_time=no)])
+  AC_MSG_RESULT($ac_cv_linux_have_current_kernel_time)])
+
+AC_DEFUN([LINUX_KMEM_CACHE_INIT], [
+  AC_MSG_CHECKING([for new kmem_cache init function parameters])
+  AC_CACHE_VAL([ac_cv_linux_kmem_cache_init], [
+    AC_TRY_KBUILD(
+[#include <linux/slab.h>],
+[extern struct kmem_cache *kmem_cache_create(const char *, size_t, size_t,
+                        unsigned long,
+                        void (*)(struct kmem_cache *, void *));
+return;],
+      ac_cv_linux_kmem_cache_init=yes,
+      ac_cv_linux_kmem_cache_init=no)])
+  AC_MSG_RESULT($ac_cv_linux_kmem_cache_init)])
+
+AC_DEFUN([LINUX_SYSCTL_TABLE_CHECKING], [
+  AC_MSG_CHECKING([for sysctl table checking])
+  AC_CACHE_VAL([ac_cv_linux_sysctl_table_checking], [
+    AC_TRY_KBUILD(
+[#include <linux/sysctl.h>],
+[ extern int sysctl_check_table(int) __attribute__((weak));
+sysctl_check_table(NULL);],
+ ac_cv_linux_sysctl_table_checking=no,
+ ac_cv_linux_sysctl_table_checking=yes)])
+AC_MSG_RESULT($ac_cv_linux_sysctl_table_checking)])
+