EXTRA_KCFLAGS="$tmp_flags"
])
-# check userland size_t type
-AC_DEFUN([LIBCFS_SIZE_T_LONG],
-[AC_MSG_CHECKING([size_t is unsigned long type])
-tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -Werror"
-AC_COMPILE_IFELSE([
- #include <linux/types.h>
- #include <linux/stddef.h>
- int main(void) {
- unsigned long *data1;
- size_t *data2 = NULL;
-
- data1 = data2;
- return 0;
- }
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SIZE_T_LONG, 1,
- [size_t is long type])
-],[
- AC_MSG_RESULT([no])
-])
-CFLAGS="$tmp_flags"
-])
-
-AC_DEFUN([LIBCFS_SSIZE_T_LONG],
-[AC_MSG_CHECKING([ssize_t is signed long type])
-tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -Werror"
-AC_COMPILE_IFELSE([
- #include <linux/types.h>
- #include <linux/stddef.h>
- int main(void) {
- long *data1;
- ssize_t *data2 = NULL;
-
- data1 = data2;
- return 0;
- }
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SSIZE_T_LONG, 1,
- [ssize_t is long type])
-],[
- AC_MSG_RESULT([no])
-])
-CFLAGS="$tmp_flags"
-])
-
-
# check if task_struct with rcu memeber
AC_DEFUN([LIBCFS_TASK_RCU],
[AC_MSG_CHECKING([if task_struct has a rcu field])
])
])
+# from 2.6.24 please use sg_init_table
+AC_DEFUN([LIBCFS_SCATTERLIST_INITTABLE],
+[AC_MSG_CHECKING([if sg_init_table is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/scatterlist.h>
+],[
+ sg_init_table(NULL,0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SCATTERLIST_INITTABLE, 1,
+ [sg_init_table is defined])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
# 2.6.24
AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
[AC_MSG_CHECKING([for network stack has namespaces])
LB_LINUX_TRY_COMPILE([
#include <net/net_namespace.h>
],[
- struct net *net = &init_ns;
+ struct net *net = &init_net;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INIT_NET, 1,
])
])
+# LIBCFS_CRED_WRAPPERS
+#
+# wrappers for task's credentials are in sles11
+#
+AC_DEFUN([LIBCFS_CRED_WRAPPERS],
+[AC_MSG_CHECKING([if kernel has wrappers for task's credentials])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sched.h>
+],[
+ uid_t uid;
+
+ uid = current_uid();
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_CRED_WRAPPERS, 1, [task's cred wrappers found])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LN_STRUCT_CRED_IN_TASK
+#
+# struct cred was introduced in 2.6.29 to streamline credentials in task struct
+#
+AC_DEFUN([LIBCFS_STRUCT_CRED_IN_TASK],
+[AC_MSG_CHECKING([if kernel has struct cred])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sched.h>
+],[
+ struct task_struct *tsk = NULL;
+ tsk->real_cred = NULL;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_CRED, 1, [struct cred found])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LIBCFS_FUNC_UNSHARE_FS_STRUCT
+#
+# unshare_fs_struct was introduced in 2.6.30 to prevent others to directly
+# mess with copy_fs_struct
+#
+AC_DEFUN([LIBCFS_FUNC_UNSHARE_FS_STRUCT],
+[AC_MSG_CHECKING([if kernel defines unshare_fs_struct()])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sched.h>
+ #include <linux/fs_struct.h>
+],[
+ unshare_fs_struct();
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_UNSHARE_FS_STRUCT, 1, [unshare_fs_struct found])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
#
# LIBCFS_PROG_LINUX
#
LIBCFS_STRUCT_SIGHAND
LIBCFS_FUNC_SHOW_TASK
LIBCFS_U64_LONG_LONG
-LIBCFS_SSIZE_T_LONG
-LIBCFS_SIZE_T_LONG
LIBCFS_TASK_RCU
# 2.6.18
LIBCFS_TASKLIST_LOCK
# 2.6.24
LIBCFS_SYSCTL_UNNUMBERED
LIBCFS_SCATTERLIST_SETPAGE
+LIBCFS_SCATTERLIST_INITTABLE
LIBCFS_NL_BROADCAST_GFP
LIBCFS_NETWORK_NAMESPACE
LIBCFS_NETLINK_NETNS
LIBCFS_FUNC_DUMP_TRACE
# 2.6.26
LIBCFS_SEM_COUNT
+# 2.6.27
+LIBCFS_CRED_WRAPPERS
+# 2.6.29
+LIBCFS_STRUCT_CRED_IN_TASK
+# 2.6.30
+LIBCFS_FUNC_UNSHARE_FS_STRUCT
LIBCFS_SOCK_MAP_FD_2ARG
])
[],
[#include <asm/types.h>])
+AC_CHECK_TYPE([__s8],
+ [AC_DEFINE(HAVE___S8, 1, [__s8 is defined])],
+ [],
+ [#include <asm/types.h>])
+
+AC_CHECK_TYPE([__u8],
+ [AC_DEFINE(HAVE___U8, 1, [__u8 is defined])],
+ [],
+ [#include <asm/types.h>])
+
+AC_CHECK_TYPE([__s16],
+ [AC_DEFINE(HAVE___S16, 1, [__s16 is defined])],
+ [],
+ [#include <asm/types.h>])
+
+AC_CHECK_TYPE([__u16],
+ [AC_DEFINE(HAVE___U16, 1, [__u16 is defined])],
+ [],
+ [#include <asm/types.h>])
+
+AC_CHECK_TYPE([__s32],
+ [AC_DEFINE(HAVE___S32, 1, [__s32 is defined])],
+ [],
+ [#include <asm/types.h>])
+
+AC_CHECK_TYPE([__u32],
+ [AC_DEFINE(HAVE___U32, 1, [__u32 is defined])],
+ [],
+ [#include <asm/types.h>])
+
AC_CHECK_TYPE([__u64],
[AC_DEFINE(HAVE___U64, 1, [__u64 is defined])],
[],
libcfs/libcfs/Makefile
libcfs/libcfs/autoMakefile
libcfs/libcfs/linux/Makefile
-libcfs/libcfs/ulinux/Makefile
libcfs/libcfs/posix/Makefile
libcfs/libcfs/util/Makefile
-])
-case $lb_target_os in
- darwin)
- AC_CONFIG_FILES([
libcfs/include/libcfs/darwin/Makefile
libcfs/libcfs/darwin/Makefile
])
- ;;
-esac
])