])
#
-# LIBCFS_STRUCT_PAGE_LIST
-#
-# 2.6.4 no longer has page->list
-#
-AC_DEFUN([LIBCFS_STRUCT_PAGE_LIST],
-[AC_MSG_CHECKING([if struct page has a list field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
-],[
- struct page page;
- &page.list;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LIBCFS_STRUCT_SIGHAND
-#
-# red hat 2.4 adds sighand to struct task_struct
-#
-AC_DEFUN([LIBCFS_STRUCT_SIGHAND],
-[AC_MSG_CHECKING([if task_struct has a sighand field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- struct task_struct p;
- p.sighand = NULL;
-],[
- AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
# LIBCFS_FUNC_CPU_ONLINE
#
# cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
AC_DEFUN([LIBCFS_FUNC_CPU_ONLINE],
[AC_MSG_CHECKING([if kernel defines cpu_online()])
LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
+ #include <linux/sched.h>
],[
- cpu_online(0);
+ cpu_online(0);
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
])
#
-# LIBCFS_TYPE_CPUMASK_T
-#
-# same goes for cpumask_t
-#
-AC_DEFUN([LIBCFS_TYPE_CPUMASK_T],
-[AC_MSG_CHECKING([if kernel defines cpumask_t])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- return sizeof (cpumask_t);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
# LIBCFS_FUNC_SHOW_TASK
#
# we export show_task(), but not all kernels have it (yet)
[kernel/ksyms.c kernel/sched.c],[
AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
],[
+ LB_CHECK_SYMBOL_EXPORT([sched_show_task],
+ [kernel/ksyms.c kernel/sched.c],[
+ AC_DEFINE(HAVE_SCHED_SHOW_TASK, 1, [sched_show_task is exported])
+ ],[])
])
])
-# check userland & kernel __u64 type
-AC_DEFUN([LIBCFS_U64_LONG_LONG],
-[AC_MSG_CHECKING([u64 is long long type])
-tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -Werror"
-AC_COMPILE_IFELSE([
- #include <linux/types.h>
- #include <linux/stddef.h>
- int main(void) {
- unsigned long long *data1;
- __u64 *data2 = NULL;
-
- data1 = data2;
- return 0;
- }
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1,
- [__u64 is long long type])
-],[
- AC_MSG_RESULT([no])
-])
-CFLAGS="$tmp_flags"
+# check kernel __u64 type
+AC_DEFUN([LIBCFS_U64_LONG_LONG_LINUX],
+[
AC_MSG_CHECKING([kernel __u64 is long long type])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Werror"
EXTRA_KCFLAGS="$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])
AC_DEFUN([LIBCFS_SCATTERLIST_SETPAGE],
[AC_MSG_CHECKING([for exist sg_set_page])
LB_LINUX_TRY_COMPILE([
+ #include <asm/types.h>
#include <linux/scatterlist.h>
],[
sg_set_page(NULL,NULL,0,0);
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,
#
AC_DEFUN([LIBCFS_FUNC_DUMP_TRACE],
[LB_CHECK_SYMBOL_EXPORT([dump_trace],
-[kernel/ksyms.c arch/${LINUX_ARCH%_64}/kernel/traps_64.c],[
+[kernel/ksyms.c arch/${LINUX_ARCH%_64}/kernel/traps_64.c arch/x86/kernel/dumpstack_32.c arch/x86/kernel/dumpstack_64.c],[
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
- AC_MSG_CHECKING([whether we can really use dump_stack])
+ AC_MSG_CHECKING([whether we can really use dump_trace])
LB_LINUX_TRY_COMPILE([
struct task_struct;
struct pt_regs;
])
])
+# LIBCFS_CRED_WRAPPERS
+#
+# wrappers for task's credentials are in sles11
+#
+AC_DEFUN([LIBCFS_CRED_WRAPPERS],
+[AC_MSG_CHECKING([if kernel has wrappers for task's credentials])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sched.h>
+],[
+ uid_t uid;
+
+ uid = current_uid();
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_CRED_WRAPPERS, 1, [task's cred wrappers found])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LN_STRUCT_CRED_IN_TASK
+#
+# struct cred was introduced in 2.6.29 to streamline credentials in task struct
+#
+AC_DEFUN([LIBCFS_STRUCT_CRED_IN_TASK],
+[AC_MSG_CHECKING([if kernel has struct cred])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sched.h>
+],[
+ struct task_struct *tsk = NULL;
+ tsk->real_cred = NULL;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_CRED, 1, [struct cred found])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LIBCFS_FUNC_UNSHARE_FS_STRUCT
+#
+# unshare_fs_struct was introduced in 2.6.30 to prevent others to directly
+# mess with copy_fs_struct
+#
+AC_DEFUN([LIBCFS_FUNC_UNSHARE_FS_STRUCT],
+[AC_MSG_CHECKING([if kernel defines unshare_fs_struct()])
+tmp_flags="$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_HAVE_IS_COMPAT_TASK
+#
+# Added in 2.6.17, it wasn't until 2.6.29 that all
+# Linux architectures have is_compat_task()
+#
+AC_DEFUN([LIBCFS_HAVE_IS_COMPAT_TASK],
+[AC_MSG_CHECKING([if is_compat_task() is declared])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/compat.h>
+],[
+ int i = is_compat_task();
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_IS_COMPAT_TASK, 1, [is_compat_task() is available])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
+#
+# 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops'
+#
+AC_DEFUN([LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK],
+[AC_MSG_CHECKING([if 'struct stacktrace_ops' has 'walk_stack' field])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/stacktrace.h>
+ unsigned long walkstack(struct thread_info *tinfo,
+ unsigned long *stack,
+ unsigned long bp,
+ const struct stacktrace_ops *ops,
+ void *data,
+ unsigned long *end,
+ int *graph);
+],[
+ struct stacktrace_ops ops;
+
+ ops.walk_stack = walkstack;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, ['struct stacktrace_ops' has 'walk_stack' field])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
#
# LIBCFS_PROG_LINUX
#
[
LIBCFS_FUNC_CPU_ONLINE
LIBCFS_TYPE_GFP_T
-LIBCFS_TYPE_CPUMASK_T
LIBCFS_CONFIG_PANIC_DUMPLOG
-LIBCFS_STRUCT_PAGE_LIST
-LIBCFS_STRUCT_SIGHAND
LIBCFS_FUNC_SHOW_TASK
-LIBCFS_U64_LONG_LONG
-LIBCFS_SSIZE_T_LONG
-LIBCFS_SIZE_T_LONG
+LIBCFS_U64_LONG_LONG_LINUX
LIBCFS_TASK_RCU
# 2.6.18
LIBCFS_TASKLIST_LOCK
+LIBCFS_HAVE_IS_COMPAT_TASK
# 2.6.19
LIBCFS_NETLINK
LIBCFS_NLMSG_MULTICAST
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
+# 2.6.32
+LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
])
#
[],
[#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])],
[],
[],
[#include <asm/types.h>])
+# check userland __u64 type
+AC_MSG_CHECKING([userspace __u64 is long long type])
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
+AC_COMPILE_IFELSE([
+ #include <stdio.h>
+ #include <linux/types.h>
+ #include <linux/stddef.h>
+ int main(void) {
+ unsigned long long *data1;
+ __u64 *data2 = NULL;
+
+ data1 = data2;
+ return 0;
+ }
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1,
+ [__u64 is long long type])
+],[
+ AC_MSG_RESULT([no])
+])
+CFLAGS="$tmp_flags"
+
# -------- Check for required packages --------------
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
])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff