#
-# LN_CONFIG_CDEBUG
+# LIBCFS_CONFIG_CDEBUG
#
# whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
#
-AC_DEFUN([LN_CONFIG_CDEBUG], [
+AC_DEFUN([LIBCFS_CONFIG_CDEBUG], [
AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
AC_ARG_ENABLE([libcfs_cdebug],
AC_HELP_STRING([--disable-libcfs-cdebug],
AC_MSG_RESULT([$enable_libcfs_assert])
AS_IF([test x$enable_libcfs_assert = xyes],
[AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])])
-]) # LN_CONFIG_CDEBUG
+]) # LIBCFS_CONFIG_CDEBUG
#
# LIBCFS_CONFIG_PANIC_DUMPLOG
]) # LIBCFS_CONFIG_PANIC_DUMPLOG
#
-# LIBCFS_U64_LONG_LONG_LINUX
-#
-# check kernel __u64 type
-#
-AC_DEFUN([LIBCFS_U64_LONG_LONG_LINUX], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Werror"
-LB_CHECK_COMPILE([if Linux kernel '__u64' is 'long long' type],
-kernel_u64_long_long, [
- #include <linux/types.h>
- #include <linux/stddef.h>
-],[
- unsigned long long *data;
- data = (__u64*)sizeof(data);
-],[
- AC_DEFINE(HAVE_KERN__U64_LONG_LONG, 1,
- [Linux kernel __u64 is long long type])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LIBCFS_U64_LONG_LONG_LINUX
-
-#
# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
#
# 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops'
]) # LIBCFS_SYSCTL_CTLNAME
#
-# LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
+# LIBCFS_KSTRTOUL
#
-# 2.6.34 adds __add_wait_queue_exclusive
+# 2.6.38 kstrtoul is added
#
-AC_DEFUN([LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE], [
-LB_CHECK_COMPILE([if '__add_wait_queue_exclusive' exists],
-__add_wait_queue_exclusive, [
- #include <linux/wait.h>
+AC_DEFUN([LIBCFS_KSTRTOUL], [
+LB_CHECK_COMPILE([if Linux kernel has 'kstrtoul'],
+kstrtoul, [
+ #include <linux/kernel.h>
],[
- wait_queue_head_t queue;
- wait_queue_t wait;
- __add_wait_queue_exclusive(&queue, &wait);
+ unsigned long result;
+ return kstrtoul("12345", 0, &result);
],[
- AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
- [__add_wait_queue_exclusive exists])
+ AC_DEFINE(HAVE_KSTRTOUL, 1,
+ [kernel has kstrtoul])
])
-]) # LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
-
-#
-# LC_SK_SLEEP
-#
-# 2.6.35 kernel has sk_sleep function
-#
-AC_DEFUN([LC_SK_SLEEP], [
-LB_CHECK_COMPILE([if Linux kernel has 'sk_sleep'],
-sk_sleep, [
- #include <net/sock.h>
-],[
- sk_sleep(NULL);
-],[
- AC_DEFINE(HAVE_SK_SLEEP, 1,
- [kernel has sk_sleep])
-])
-]) # LC_SK_SLEEP
+]) # LIBCFS_KSTRTOUL
#
# LIBCFS_DUMP_TRACE_ADDRESS
AC_DEFUN([LC_SHRINK_CONTROL], [
LB_CHECK_COMPILE([if 'shrink_control' is present],
shrink_control, [
+ #include <linux/atomic.h>
#include <linux/mm.h>
],[
struct shrink_control tmp = {0};
#
# LIBCFS_PROCESS_NAMESPACE
#
-# 3.4 introduced process namespace
+# 3.5 introduced process namespace
AC_DEFUN([LIBCFS_PROCESS_NAMESPACE], [
LB_CHECK_LINUX_HEADER([linux/uidgid.h], [
AC_DEFINE(HAVE_UIDGID_HEADER, 1,
]) # LIBCFS_PROCESS_NAMESPACE
#
+# LIBCFS_I_UID_READ
+#
+# 3.5 added helpers to read the new uid/gid types from VFS structures
+# SLE11 SP3 has uidgid.h but not the helpers
+#
+AC_DEFUN([LIBCFS_I_UID_READ], [
+LB_CHECK_COMPILE([if 'i_uid_read' is present],
+i_uid_read, [
+ #include <linux/fs.h>
+],[
+ i_uid_read(NULL);
+],[
+ AC_DEFINE(HAVE_I_UID_READ, 1, [i_uid_read is present])
+])
+]) # LIBCFS_I_UID_READ
+
+#
# LIBCFS_SOCK_ALLOC_FILE
#
# FC18 3.7.2-201 unexport sock_map_fd() change to
[enable_crc32_crypto="no"], [enable_crc32_crypto="yes"])
AS_IF([test "x$have_crc32" = xyes -a "x$enable_crc32_crypto" = xyes], [
AC_DEFINE(NEED_CRC32_ACCEL, 1, [need pclmulqdq based crc32])
- AC_MSG_WARN([
-
-No crc32 pclmulqdq crypto api found, enable internal pclmulqdq based crc32
-])])
+ AC_MSG_WARN([No crc32 pclmulqdq crypto api found, enable internal pclmulqdq based crc32])])
]) # LIBCFS_ENABLE_CRC32_ACCEL
#
[enable_crc32c_crypto="no"], [enable_crc32c_crypto="yes"])
AS_IF([test "x$enable_crc32c_crypto" = xyes], [
AC_DEFINE(NEED_CRC32C_ACCEL, 1, [need pclmulqdq based crc32c])
- AC_MSG_WARN([
-
-No crc32c pclmulqdq crypto api found, enable internal pclmulqdq based crc32c
-])])
+ AC_MSG_WARN([No crc32c pclmulqdq crypto api found, enable internal pclmulqdq based crc32c])])
]) # LIBCFS_ENABLE_CRC32C_ACCEL
#
((struct shrinker*)0)->count_objects(NULL, NULL);
],[
AC_DEFINE(HAVE_SHRINKER_COUNT, 1,
- [shrinker has count_objects memeber])
+ [shrinker has count_objects member])
])
+]) # LIBCFS_SHRINKER_COUNT
+
+#
+# Kernel version 3.17 changed hlist_add_after to
+# hlist_add_behind
+#
+AC_DEFUN([LIBCFS_HLIST_ADD_AFTER],[
+LB_CHECK_COMPILE([does function 'hlist_add_after' exist],
+hlist_add_after, [
+ #include <linux/list.h>
+],[
+ hlist_add_after(NULL, NULL);
+],[
+ AC_DEFINE(HAVE_HLIST_ADD_AFTER, 1,
+ [hlist_add_after is available])
+])
+]) # LIBCFS_HLIST_ADD_AFTER
+
+#
+# Kernel version 4.2 changed topology_thread_cpumask
+# to topology_sibling_cpumask
+#
+AC_DEFUN([LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK],[
+LB_CHECK_COMPILE([does function 'topology_sibling_cpumask' exist],
+topology_sibling_cpumask, [
+ #include <linux/topology.h>
+],[
+ const struct cpumask *mask;
+
+ mask = topology_sibling_cpumask(0);
+],[
+ AC_DEFINE(HAVE_TOPOLOGY_SIBLING_CPUMASK, 1,
+ [topology_sibling_cpumask is available])
])
+]) # LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK
+
+#
+# Kernel version 4.2 commit df6b35f409af0a8ff1ef62f552b8402f3fef8665
+# header file i387.h was renamed to fpu/api.h
+#
+AC_DEFUN([LIBCFS_FPU_API], [
+LB_CHECK_LINUX_HEADER([asm/fpu/api.h], [
+ AC_DEFINE(HAVE_FPU_API_HEADER, 1,
+ [fpu/api.h is present])])
+]) # LIBCFS_FPU_API
#
# LIBCFS_PROG_LINUX
==============================================================================])
LIBCFS_CONFIG_PANIC_DUMPLOG
-LIBCFS_U64_LONG_LONG_LINUX
# 2.6.32
LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
LC_SHRINKER_WANT_SHRINK_PTR
# 2.6.33
LIBCFS_SYSCTL_CTLNAME
-# 2.6.34
-LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
-# 2.6.35
-LC_SK_SLEEP
+# 2.6.38
+LIBCFS_KSTRTOUL
# 2.6.39
LIBCFS_DUMP_TRACE_ADDRESS
# 2.6.40 fc15
LC_SHRINK_CONTROL
# 3.0
LIBCFS_STACKTRACE_WARNING
-# 3.4
+# 3.5
LIBCFS_PROCESS_NAMESPACE
+LIBCFS_I_UID_READ
# 3.7
LIBCFS_SOCK_ALLOC_FILE
# 3.8
LIBCFS_ENABLE_CRC32C_ACCEL
# 3.12
LIBCFS_SHRINKER_COUNT
+# 3.17
+LIBCFS_HLIST_ADD_AFTER
+# 4.2
+LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK
+LIBCFS_FPU_API
]) # LIBCFS_PROG_LINUX
#
-# LIBCFS_PROG_DARWIN
-#
-# Darwin checks
-#
-AC_DEFUN([LIBCFS_PROG_DARWIN], [
-LB_DARWIN_CHECK_FUNCS([get_preemption_level])
-]) # LIBCFS_PROG_DARWIN
-
-#
# LIBCFS_PATH_DEFAULTS
#
# default paths for installed files
# libcfs/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
AC_CHECK_FUNCS([strlcat])
-AC_CHECK_TYPE([umode_t],
- [AC_DEFINE(HAVE_UMODE_T, 1, [umode_t is defined])],
- [],
- [#include <asm/types.h>])
+# libcfs/include/libcfs/linux/linux-prim.h, ...
+AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
+
+# libcfs/include/libcfs/linux/linux-prim.h
+AC_CHECK_HEADERS([linux/random.h], [], [],
+ [#ifdef HAVE_LINUX_TYPES_H
+ #include <linux/types.h>
+ #endif
+ ])
+
+# libcfs/include/libcfs/linux/libcfs.h
+# libcfs/include/libcfs/byteorder.h
+# libcfs/libcfs/util/nidstrings.c
+AC_CHECK_HEADERS([netdb.h asm/types.h endian.h])
+AC_CHECK_FUNCS([gethostbyname])
# -------- Check for required packages --------------
AC_MSG_NOTICE([LibCFS required packages checks
==============================================================================])
-AC_MSG_CHECKING([whether to enable 'efence' debugging support])
-AC_ARG_ENABLE(efence,
- AC_HELP_STRING([--enable-efence],
- [use efence library]),
- [], [enable_efence="no"])
-AC_MSG_RESULT([$enable_efence])
-AS_IF([test "$enable_efence" = yes], [
- LIBEFENCE="-lefence"
- AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
-], [
- LIBEFENCE=""
+AC_MSG_CHECKING([whether to enable readline support])
+AC_ARG_ENABLE(readline,
+ AC_HELP_STRING([--disable-readline],
+ [disable readline support]),
+ [], [enable_readline="yes"])
+AC_MSG_RESULT([$enable_readline])
+
+LIBREADLINE=""
+AS_IF([test "x$enable_readline" = xyes], [
+ AC_CHECK_LIB([readline], [readline], [
+ LIBREADLINE="-lreadline"
+ AC_DEFINE(HAVE_LIBREADLINE, 1,
+ [readline library is available])
+ ])
])
-AC_SUBST(LIBEFENCE)
-
-# -------- check for -lpthread support ----
+AC_SUBST(LIBREADLINE)
AC_MSG_CHECKING([whether to use libpthread for libcfs library])
AC_ARG_ENABLE([libpthread],
[disable libpthread]),
[], [enable_libpthread="yes"])
AC_MSG_RESULT([$enable_libpthread])
+
+PTHREAD_LIBS=""
AS_IF([test "x$enable_libpthread" = xyes], [
- AC_CHECK_LIB([pthread], [pthread_create],
- [ENABLE_LIBPTHREAD="yes"],
- [ENABLE_LIBPTHREAD="no"])
- AS_IF([test "$ENABLE_LIBPTHREAD" = yes], [
+ AC_CHECK_LIB([pthread], [pthread_create], [
PTHREAD_LIBS="-lpthread"
- AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
- ], [
- PTHREAD_LIBS=""
+ AC_DEFINE([HAVE_LIBPTHREAD], 1,
+ [use libpthread for libcfs library])
])
- AC_SUBST(PTHREAD_LIBS)
], [
AC_MSG_WARN([Using libpthread for libcfs library is disabled explicitly])
- ENABLE_LIBPTHREAD="no"
])
-AC_SUBST(ENABLE_LIBPTHREAD)
+AC_SUBST(PTHREAD_LIBS)
]) # LIBCFS_CONFIGURE
#
#
AC_DEFUN([LIBCFS_CONFIG_FILES], [
AC_CONFIG_FILES([
-libcfs/Kernelenv
libcfs/Makefile
libcfs/autoMakefile
libcfs/autoconf/Makefile
libcfs/include/Makefile
libcfs/include/libcfs/Makefile
libcfs/include/libcfs/linux/Makefile
-libcfs/include/libcfs/posix/Makefile
libcfs/include/libcfs/util/Makefile
libcfs/libcfs/Makefile
libcfs/libcfs/autoMakefile
libcfs/libcfs/linux/Makefile
-libcfs/libcfs/posix/Makefile
libcfs/libcfs/util/Makefile
-libcfs/include/libcfs/darwin/Makefile
-libcfs/libcfs/darwin/Makefile
])
]) # LIBCFS_CONFIG_FILES