X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libcfs%2Fautoconf%2Flustre-libcfs.m4;h=bbb1249a8b75eb284c9385adbe44ab9361b2c686;hb=2b045f3bc1729d43a8d9613d5609b838ad79ccc7;hp=815f0827ec07e79a1c45bd9cbbd9a5a8a12f6953;hpb=99727c7a1a4f4100361f79bf185cb34b70b67d99;p=fs%2Flustre-release.git diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4 index 815f082..bbb1249 100644 --- a/libcfs/autoconf/lustre-libcfs.m4 +++ b/libcfs/autoconf/lustre-libcfs.m4 @@ -1,526 +1,1088 @@ # -# 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], - [disable libcfs CDEBUG, CWARN]), - [],[enable_libcfs_cdebug='yes']) + [disable libcfs CDEBUG, CWARN]), + [], [enable_libcfs_cdebug="yes"]) AC_MSG_RESULT([$enable_libcfs_cdebug]) -if test x$enable_libcfs_cdebug = xyes; then - AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN]) -fi +AS_IF([test "x$enable_libcfs_cdebug" = xyes], + [AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])]) AC_MSG_CHECKING([whether to enable ENTRY/EXIT]) AC_ARG_ENABLE([libcfs_trace], AC_HELP_STRING([--disable-libcfs-trace], - [disable libcfs ENTRY/EXIT]), - [],[enable_libcfs_trace='yes']) + [disable libcfs ENTRY/EXIT]), + [], [enable_libcfs_trace="yes"]) AC_MSG_RESULT([$enable_libcfs_trace]) -if test x$enable_libcfs_trace = xyes; then - AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT]) -fi +AS_IF([test "x$enable_libcfs_trace" = xyes], + [AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])]) AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF]) AC_ARG_ENABLE([libcfs_assert], AC_HELP_STRING([--disable-libcfs-assert], - [disable libcfs LASSERT, LASSERTF]), - [],[enable_libcfs_assert='yes']) + [disable libcfs LASSERT, LASSERTF]), + [], [enable_libcfs_assert="yes"]) AC_MSG_RESULT([$enable_libcfs_assert]) -if test x$enable_libcfs_assert = xyes; then - AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF]) -fi -]) +AS_IF([test x$enable_libcfs_assert = xyes], + [AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])]) +]) # LIBCFS_CONFIG_CDEBUG # # LIBCFS_CONFIG_PANIC_DUMPLOG # # check if tunable panic_dumplog is wanted # -AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG], -[AC_MSG_CHECKING([for tunable panic_dumplog support]) +AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG], [ +AC_MSG_CHECKING([whether to use tunable 'panic_dumplog' support]) AC_ARG_ENABLE([panic_dumplog], - AC_HELP_STRING([--enable-panic_dumplog], - [enable panic_dumplog]), - [],[enable_panic_dumplog='no']) -if test x$enable_panic_dumplog = xyes ; then - AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic]) - AC_MSG_RESULT([yes (by request)]) -else - AC_MSG_RESULT([no]) -fi -]) - -# 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" -LB_LINUX_TRY_COMPILE([ - #include - #include + AC_HELP_STRING([--enable-panic_dumplog], + [enable panic_dumplog]), + [], [enable_panic_dumplog="no"]) +AC_MSG_RESULT([$enable_panic_dumplog]) +AS_IF([test "x$enable_panic_dumplog" = xyes], + [AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])]) +]) # LIBCFS_CONFIG_PANIC_DUMPLOG + +# +# 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], [ +LB_CHECK_COMPILE([if 'struct stacktrace_ops' has 'walk_stack' field], +stacktrace_ops_walk_stack, [ + #include +],[ + ((struct stacktrace_ops *)0)->walk_stack(NULL, NULL, 0, NULL, NULL, NULL, NULL); ],[ - unsigned long long *data; + AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, + ['struct stacktrace_ops' has 'walk_stack' field]) +]) +]) # LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK - data = (__u64*)sizeof(data); +# +# LIBCFS_STACKTRACE_WARNING +# +# 3.0 removes stacktrace_ops warning* functions +# +AC_DEFUN([LIBCFS_STACKTRACE_WARNING], [ +LB_CHECK_COMPILE([if 'stacktrace_ops.warning' is exist], +stacktrace_ops_warning, [ + struct task_struct; + struct pt_regs; + #include ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_KERN__U64_LONG_LONG, 1, - [kernel __u64 is long long type]) + ((struct stacktrace_ops *)0)->warning(NULL, NULL); ],[ - AC_MSG_RESULT([no]) + AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, + [stacktrace_ops.warning is exist]) ]) -EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_STACKTRACE_WARNING + +# +# LC_SHRINKER_WANT_SHRINK_PTR +# +# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function +# +AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR], [ +LB_CHECK_COMPILE([if 'shrinker' want self pointer in handler], +shrink_self_pointer, [ + #include +],[ + struct shrinker *tmp = NULL; + tmp->shrink(tmp, 0, 0); +],[ + AC_DEFINE(HAVE_SHRINKER_WANT_SHRINK_PTR, 1, + [shrinker want self pointer in handler]) ]) +]) # LC_SHRINKER_WANT_SHRINK_PTR # -# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK +# LIBCFS_SYSCTL_CTLNAME # -# 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops' +# 2.6.33 no longer has ctl_name & strategy field in struct ctl_table. # -AC_DEFUN([LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK], -[AC_MSG_CHECKING([if 'struct stacktrace_ops' has 'walk_stack' field]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_SYSCTL_CTLNAME], [ +LB_CHECK_COMPILE([if 'ctl_table' has a 'ctl_name' field], +ctl_table_ctl_name, [ + #include ],[ - ((struct stacktrace_ops *)0)->walk_stack(NULL, NULL, 0, NULL, NULL, NULL, NULL); + struct ctl_table ct; + ct.ctl_name = sizeof(ct); ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, ['struct stacktrace_ops' has 'walk_stack' field]) + AC_DEFINE(HAVE_SYSCTL_CTLNAME, 1, + [ctl_table has ctl_name field]) +]) +]) # LIBCFS_SYSCTL_CTLNAME + +# +# LIBCFS_MODULE_LOCKING +# +# 2.6.36 introduced locking to module params. RHEL6 lacks this support +# +AC_DEFUN([LIBCFS_MODULE_LOCKING],[ +LB_CHECK_COMPILE([does the kernel support module param locking], +module_param_locking, [ + #include ],[ - AC_MSG_RESULT([no]) + __kernel_param_lock(NULL); + __kernel_param_unlock(NULL); +],[ + AC_DEFINE(HAVE_MODULE_PARAM_LOCKING, 1, + [locking module param is supported]) ]) +]) # LIBCFS_MODULE_LOCKING + +# +# LIBCFS_KSTRTOUL +# +# 2.6.38 kstrtoul is added +# +AC_DEFUN([LIBCFS_KSTRTOUL], [ +LB_CHECK_COMPILE([if Linux kernel has 'kstrtoul'], +kstrtoul, [ + #include +],[ + unsigned long result; + return kstrtoul("12345", 0, &result); +],[ + AC_DEFINE(HAVE_KSTRTOUL, 1, + [kernel has kstrtoul]) ]) +]) # LIBCFS_KSTRTOUL # -# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function +# LIBCFS_DUMP_TRACE_ADDRESS +# +# 2.6.39 adds a base pointer address argument to dump_trace # -AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR], -[AC_MSG_CHECKING([shrinker want self pointer in handler]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_DUMP_TRACE_ADDRESS], [ +LB_CHECK_COMPILE([if 'dump_trace' want address], +dump_trace_address, [ + struct task_struct; + struct pt_regs; + #include ],[ - struct shrinker *tmp = NULL; - tmp->shrink(tmp, 0, 0); + dump_trace(NULL, NULL, NULL, 0, NULL, NULL); +],[ + AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1, + [dump_trace want address argument]) +]) +]) # LIBCFS_DUMP_TRACE_ADDRESS + +# +# LC_SHRINK_CONTROL +# +# FC15 2.6.40-5 backported the "shrink_control" parameter to the memory +# pressure shrinker from Linux 3.0 +# +AC_DEFUN([LC_SHRINK_CONTROL], [ +LB_CHECK_COMPILE([if 'shrink_control' is present], +shrink_control, [ + #include + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SHRINKER_WANT_SHRINK_PTR, 1, - [shrinker want self pointer in handler]) + struct shrink_control tmp = {0}; + tmp.nr_to_scan = sizeof(tmp); ],[ - AC_MSG_RESULT(no) + AC_DEFINE(HAVE_SHRINK_CONTROL, 1, + [shrink_control is present]) ]) +]) # LC_SHRINK_CONTROL + +# +# LIBCFS_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, + [uidgid.h is present])]) +]) # 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 +],[ + i_uid_read(NULL); +],[ + AC_DEFINE(HAVE_I_UID_READ, 1, [i_uid_read is present]) ]) +]) # LIBCFS_I_UID_READ # -# 2.6.33 no longer has ctl_name & strategy field in struct ctl_table. +# LIBCFS_HAVE_CRC32 +# +AC_DEFUN([LIBCFS_HAVE_CRC32], [ +LB_CHECK_CONFIG_IM([CRC32], + [have_crc32="yes"], [have_crc32="no"]) +AS_IF([test "x$have_crc32" = xyes], + [AC_DEFINE(HAVE_CRC32, 1, + [kernel compiled with CRC32 functions])]) +]) # LIBCFS_HAVE_CRC32 + +# +# LIBCFS_ENABLE_CRC32_ACCEL # -AC_DEFUN([LIBCFS_SYSCTL_CTLNAME], -[AC_MSG_CHECKING([if ctl_table has a ctl_name field]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_ENABLE_CRC32_ACCEL], [ +LB_CHECK_CONFIG_IM([CRYPTO_CRC32_PCLMUL], + [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])]) +]) # LIBCFS_ENABLE_CRC32_ACCEL + +# +# LIBCFS_ENABLE_CRC32C_ACCEL +# +AC_DEFUN([LIBCFS_ENABLE_CRC32C_ACCEL], [ +LB_CHECK_CONFIG_IM([CRYPTO_CRC32C_INTEL], + [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])]) +]) # LIBCFS_ENABLE_CRC32C_ACCEL + +# +# Kernel version 3.11 introduced ktime_get_ts64 +# +AC_DEFUN([LIBCFS_KTIME_GET_TS64],[ +LB_CHECK_COMPILE([does function 'ktime_get_ts64' exist], +ktime_get_ts64, [ + #include + #include +],[ + struct timespec64 *ts = NULL; + + ktime_get_ts64(ts); ],[ - struct ctl_table ct; - ct.ctl_name = sizeof(ct); + AC_DEFINE(HAVE_KTIME_GET_TS64, 1, + ['ktime_get_ts64' is available]) +]) +]) # LIBCFS_KTIME_GET_TS64 + +# +# Linux kernel 3.12 introduced struct kernel_param_ops +# This has been backported to all lustre supported +# clients except RHEL6. We have to handle the differences. +# +AC_DEFUN([LIBCFS_KERNEL_PARAM_OPS],[ +LB_CHECK_COMPILE([does 'struct kernel_param_ops' exist], +kernel_param_ops, [ + #include +],[ + struct kernel_param_ops ops; + + ops.set = NULL; +],[ + AC_DEFINE(HAVE_KERNEL_PARAM_OPS, 1, + ['struct kernel_param_ops' is available]) +]) +]) # LIBCFS_KERNEL_PARAM_OPS + +# +# Kernel version 3.12 introduced ktime_add +# +AC_DEFUN([LIBCFS_KTIME_ADD],[ +LB_CHECK_COMPILE([does function 'ktime_add' exist], +ktime_add, [ + #include + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SYSCTL_CTLNAME, 1, - [ctl_table has ctl_name field]) + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + ktime_t total; + + total = ktime_add(start, end); ],[ - AC_MSG_RESULT(no) + AC_DEFINE(HAVE_KTIME_ADD, 1, + [ktime_add is available]) ]) +]) # LIBCFS_KTIME_ADD + +# +# Kernel version 3.12 introduced ktime_after +# +AC_DEFUN([LIBCFS_KTIME_AFTER],[ +LB_CHECK_COMPILE([does function 'ktime_after' exist], +ktime_after, [ + #include + #include +],[ + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + + ktime_after(start, end); +],[ + AC_DEFINE(HAVE_KTIME_AFTER, 1, + [ktime_after is available]) ]) +]) # LIBCFS_KTIME_AFTER # -# LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE +# Kernel version 3.12 introduced ktime_before +# See linux commit 67cb9366ff5f99868100198efba5ca88aaa6ad25 # -# 2.6.34 adds __add_wait_queue_exclusive +AC_DEFUN([LIBCFS_KTIME_BEFORE],[ +LB_CHECK_COMPILE([does function 'ktime_before' exist], +ktime_before, [ + #include + #include +],[ + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + + ktime_before(start, end); +],[ + AC_DEFINE(HAVE_KTIME_BEFORE, 1, + [ktime_before is available]) +]) +]) # LIBCFS_KTIME_BEFORE + +# +# Kernel version 3.12 introduced ktime_compare # -AC_DEFUN([LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE], -[AC_MSG_CHECKING([if __add_wait_queue_exclusive exists]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_KTIME_COMPARE],[ +LB_CHECK_COMPILE([does function 'ktime_compare' exist], +ktime_compare, [ + #include + #include +],[ + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + + ktime_compare(start, end); ],[ - wait_queue_head_t queue; - wait_queue_t wait; + AC_DEFINE(HAVE_KTIME_COMPARE, 1, + [ktime_compare is available]) +]) +]) # LIBCFS_KTIME_COMPARE - __add_wait_queue_exclusive(&queue, &wait); +# +# FC19 3.12 kernel struct shrinker change +# +AC_DEFUN([LIBCFS_SHRINKER_COUNT],[ +LB_CHECK_COMPILE([shrinker has 'count_objects'], +shrinker_count_objects, [ + #include + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1, - [__add_wait_queue_exclusive exists]) + struct shrinker shrinker; + + shrinker.count_objects = NULL; ],[ - AC_MSG_RESULT(no) + AC_DEFINE(HAVE_SHRINKER_COUNT, 1, + [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 +],[ + hlist_add_after(NULL, NULL); +],[ + AC_DEFINE(HAVE_HLIST_ADD_AFTER, 1, + [hlist_add_after is available]) ]) +]) # LIBCFS_HLIST_ADD_AFTER # -# 2.6.35 kernel has sk_sleep function +# Kernel version 3.17 introduced struct timespec64 # -AC_DEFUN([LC_SK_SLEEP], -[AC_MSG_CHECKING([if kernel has sk_sleep]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_TIMESPEC64],[ +LB_CHECK_COMPILE([does 'struct timespec64' exist], +timespec64, [ + #include ],[ - sk_sleep(NULL); + struct timespec64 ts; + + ts.tv_sec = 0; + ts.tv_nsec = 0; ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SK_SLEEP, 1, [kernel has sk_sleep]) + AC_DEFINE(HAVE_TIMESPEC64, 1, + ['struct timespec64' is available]) +]) +]) # LIBCFS_TIMESPEC64 + +# +# Kernel version 3.17 introduced ktime_get_real_ts64 +# +AC_DEFUN([LIBCFS_KTIME_GET_REAL_TS64],[ +LB_CHECK_COMPILE([does function 'ktime_get_real_ts64' exist], +ktime_get_real_ts64, [ + #include ],[ - AC_MSG_RESULT(no) + struct timespec64 *ts = NULL; + + ktime_get_real_ts64(ts); ],[ + AC_DEFINE(HAVE_KTIME_GET_REAL_TS64, 1, + ['ktime_get_real_ts64' is available]) ]) +]) # LIBCFS_KTIME_GET_REAL_TS64 + +# +# Kernel version 3.17 introduced ktime_get_real_seconds +# +AC_DEFUN([LIBCFS_KTIME_GET_REAL_SECONDS],[ +LB_CHECK_COMPILE([does function 'ktime_get_real_seconds' exist], +ktime_get_real_seconds, [ + #include + #include +],[ + time64_t now; + + now = ktime_get_real_seconds(); +],[ + AC_DEFINE(HAVE_KTIME_GET_REAL_SECONDS, 1, + ['ktime_get_real_seconds' is available]) ]) +]) # LIBCFS_KTIME_GET_REAL_SECONDS -# 2.6.39 adds a base pointer address argument to dump_trace -AC_DEFUN([LIBCFS_DUMP_TRACE_ADDRESS], -[AC_MSG_CHECKING([dump_trace want address]) -LB_LINUX_TRY_COMPILE([ - struct task_struct; - struct pt_regs; - #include +# +# Kernel version 3.17 created ktime_get_ns wrapper +# +AC_DEFUN([LIBCFS_KTIME_GET_NS],[ +LB_CHECK_COMPILE([does function 'ktime_get_ns' exist], +ktime_get_ns, [ + #include + #include ],[ - dump_trace(NULL, NULL, NULL, 0, NULL, NULL); + u64 nanoseconds; + + nanoseconds = ktime_get_ns(); +],[],[ + AC_DEFINE(NEED_KTIME_GET_NS, 1, + ['ktime_get_ns' is not available]) +]) +]) # LIBCFS_KTIME_GET_NS + +# +# Kernel version 3.17 created ktime_get_real_ns wrapper +# +AC_DEFUN([LIBCFS_KTIME_GET_REAL_NS],[ +LB_CHECK_COMPILE([does function 'ktime_get_real_ns' exist], +ktime_get_real_ns, [ + #include + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1, - [dump_trace want address argument]) + u64 nanoseconds; + + nanoseconds = ktime_get_real_ns(); +],[],[ + AC_DEFINE(NEED_KTIME_GET_REAL_NS, 1, + ['ktime_get_real_ns' is not available]) +]) +]) # LIBCFS_KTIME_GET_REAL_NS + +# +# Kernel version 3.17 introduced ktime_to_timespec64 +# +AC_DEFUN([LIBCFS_KTIME_TO_TIMESPEC64],[ +LB_CHECK_COMPILE([does function 'ktime_to_timespec64' exist], +ktime_to_timespec64, [ + #include + #include ],[ - AC_MSG_RESULT(no) + ktime_t now = ktime_set(0, 0); + struct timespec64 ts; + + ts = ktime_to_timespec64(now); ],[ + AC_DEFINE(HAVE_KTIME_TO_TIMESPEC64, 1, + ['ktime_to_timespec64' is available]) ]) +]) # LIBCFS_KTIME_TO_TIMESPEC64 + +# +# Kernel version 3.17 introduced timespec64_sub +# +AC_DEFUN([LIBCFS_TIMESPEC64_SUB],[ +LB_CHECK_COMPILE([does function 'timespec64_sub' exist], +timespec64_sub, [ + #include +],[ + struct timespec64 later = { }, earlier = { }, diff; + + diff = timespec64_sub(later, earlier); +],[ + AC_DEFINE(HAVE_TIMESPEC64_SUB, 1, + ['timespec64_sub' is available]) ]) +]) # LIBCFS_TIMESPEC64_SUB # -# FC15 2.6.40-5 backported the "shrink_control" parameter to the memory -# pressure shrinker from Linux 3.0 +# Kernel version 3.17 introduced timespec64_to_ktime # -AC_DEFUN([LC_SHRINK_CONTROL], -[AC_MSG_CHECKING([shrink_control is present]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_TIMESPEC64_TO_KTIME],[ +LB_CHECK_COMPILE([does function 'timespec64_to_ktime' exist], +timespec64_to_ktime, [ + #include ],[ - struct shrink_control tmp = {0}; - tmp.nr_to_scan = sizeof(tmp); + struct timespec64 ts; + ktime_t now; + + now = timespec64_to_ktime(ts); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SHRINK_CONTROL, 1, - [shrink_control is present]) + AC_DEFINE(HAVE_TIMESPEC64_TO_KTIME, 1, + ['timespec64_to_ktime' is available]) +]) +]) # LIBCFS_TIMESPEC64_TO_KTIME + +# +# Kernel version 3.19 introduced ktime_get_seconds +# +AC_DEFUN([LIBCFS_KTIME_GET_SECONDS],[ +LB_CHECK_COMPILE([does function 'ktime_get_seconds' exist], +ktime_get_seconds, [ + #include ],[ - AC_MSG_RESULT(no) + time64_t now; + + now = ktime_get_seconds(); +],[ + AC_DEFINE(HAVE_KTIME_GET_SECONDS, 1, + ['ktime_get_seconds' is available]) ]) +]) # LIBCFS_KTIME_GET_SECONDS + +# +# Kernel version 4.0 commit 41fbf3b39d5eca01527338b4d0ee15ee1ae1023c +# introduced the helper function ktime_ms_delta. +# +AC_DEFUN([LIBCFS_KTIME_MS_DELTA],[ +LB_CHECK_COMPILE([does function 'ktime_ms_delta' exist], +ktime_ms_delta, [ + #include +],[ + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + + ktime_ms_delta(start, end); +],[ + AC_DEFINE(HAVE_KTIME_MS_DELTA, 1, + ['ktime_ms_delta' is available]) ]) +]) # LIBCFS_KTIME_MS_DELTA -# 3.0 removes stacktrace_ops warning* functions -AC_DEFUN([LIBCFS_STACKTRACE_WARNING], -[AC_MSG_CHECKING([whether stacktrace_ops.warning is exist]) -LB_LINUX_TRY_COMPILE([ - struct task_struct; - struct pt_regs; - #include +# +# Kernel version 4.1 commit b51d23e4e9fea6f264d39535c2a62d1f51e7ccc3 +# create per module locks which added kernel_param_[un]lock(). Older +# kernels you have to use __kernel_param_[un]lock(). In that case its +# a global lock for all modules but that is okay since its a rare event. +# +AC_DEFUN([LIBCFS_KERNEL_PARAM_LOCK],[ +LB_CHECK_COMPILE([does function 'kernel_param_[un]lock' exist], +kernel_param_lock, [ + #include ],[ - ((struct stacktrace_ops *)0)->warning(NULL, NULL); + kernel_param_lock(NULL); + kernel_param_unlock(NULL); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, [stacktrace_ops.warning is exist]) + AC_DEFINE(HAVE_KERNEL_PARAM_LOCK, 1, + ['kernel_param_[un]lock' is available]) +]) +]) # LIBCFS_KERNEL_PARAM_LOCK + +# +# 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 ],[ - AC_MSG_RESULT(no) + 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 + +# +# Kernel version 4.4 commit ef951599074ba4fad2d0efa0a977129b41e6d203 +# introduced kstrtobool and kstrtobool_from_user. +# +AC_DEFUN([LIBCFS_KSTRTOBOOL_FROM_USER], [ +LB_CHECK_COMPILE([if Linux kernel has 'kstrtobool_from_user'], +kstrtobool_from_user, [ + #include +],[ + bool result; + return kstrtobool_from_user(NULL, 0, &result); +],[ + AC_DEFINE(HAVE_KSTRTOBOOL_FROM_USER, 1, + [kernel has kstrtobool_from_user]) ]) +]) # LIBCFS_KSTRTOBOOL_FROM_USER -# 3.4 introduced process namespace -AC_DEFUN([LIBCFS_PROCESS_NAMESPACE],[ -LB_CHECK_LINUX_HEADER([linux/uidgid.h], [ - AC_DEFINE(HAVE_UIDGID_HEADER, 1, [uidgid.h is present]) +# +# Kernel version 4.5-rc1 commit d12481bc58fba89427565f8592e88446ec084a24 +# added crypto hash helpers +# +AC_DEFUN([LIBCFS_CRYPTO_HASH_HELPERS], [ +LB_CHECK_COMPILE([does crypto hash helper functions exist], +crypto_hash_helpers, [ + #include +],[ + crypto_ahash_alg_name(NULL); + crypto_ahash_driver_name(NULL); +],[ + AC_DEFINE(HAVE_CRYPTO_HASH_HELPERS, 1, + [crypto hash helper functions are available]) ]) +]) # LIBCFS_CRYPTO_HASH_HELPERS + +# +# Kernerl version 4.5-rc3 commit 2fe829aca9d7bed5fd6b49c6a1452e5e486b6cc3dd +# made kset_find_obj() exportable to modules +# +AC_DEFUN([LIBCFS_EXPORT_KSET_FIND_OBJ], [ +LB_CHECK_EXPORT([kset_find_obj], [lib/kobject.c], + [AC_DEFINE(HAVE_KSET_FIND_OBJ, 1, + [kset_find_obj is exported by the kernel])]) +]) # LIBCFS_EXPORT_KSET_FIND_OBJ + +# +# Kernel version 4.6+ commit ef703f49a6c5b909a85149bb6625c4ed0d697186 +# fixed the brokenness of hash_64(). The fix removed GOLDEN_RATIO_PRIME_64 +# since it was a poor prime value. +# +AC_DEFUN([LIBCFS_BROKEN_HASH_64], [ +LB_CHECK_COMPILE([kernel has fixed hash_64()], +broken_hash_64, [ + #include +],[ + int tmp = GOLDEN_RATIO_PRIME_64; +],[ + AC_DEFINE(HAVE_BROKEN_HASH_64, 1, [kernel hash_64() is broken]) ]) +]) # LIBCFS_BROKEN_HASH_64 # -# FC18 3.7.2-201 unexport sock_map_fd() change to -# use sock_alloc_file(). -# upstream commit 56b31d1c9f1e6a3ad92e7bfe252721e05d92b285 +# LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT # -AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE], -[LB_CHECK_SYMBOL_EXPORT([sock_alloc_file], [net/socket.c],[ - LB_LINUX_TRY_COMPILE([ - #include - ],[ - sock_alloc_file(NULL, 0, NULL); - ],[ - AC_DEFINE(HAVE_SOCK_ALLOC_FILE_3ARGS, 1, - [sock_alloc_file takes 3 arguments]) - ],[ - AC_DEFINE(HAVE_SOCK_ALLOC_FILE, 1, - [sock_alloc_file is exported]) - ]) +# linux 4.6 kernel changed stacktrace_ops address to return an int +# +AC_DEFUN([LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT], [ +LB_CHECK_COMPILE([if 'struct stacktrace_ops' address function returns an int], +stacktrace_ops_address_return_int, [ + #include +],[ + int rc; + + rc = ((struct stacktrace_ops *)0)->address(NULL, 0, 0); ],[ + AC_DEFINE(STACKTRACE_OPS_ADDRESS_RETURN_INT, 1, + ['struct stacktrace_ops' address function returns an int]) ]) +]) # LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT + +# +# Kernel version 4.6 removed both struct task_struct and struct mm_struct +# arguments to get_user_pages +# +AC_DEFUN([LIBCFS_GET_USER_PAGES_6ARG], [ +LB_CHECK_COMPILE([if 'get_user_pages()' takes 6 arguments], +get_user_pages_6arg, [ + #include +],[ + int rc; + + rc = get_user_pages(0, 0, 0, 0, NULL, NULL); +],[ + AC_DEFINE(HAVE_GET_USER_PAGES_6ARG, 1, + [get_user_pages takes 6 arguments]) ]) +]) # LIBCFS_GET_USER_PAGES_6ARG -AC_DEFUN([LIBCFS_HAVE_CRC32], -[LB_LINUX_CONFIG_IM([CRC32], - [have_crc32=true],[have_crc32=false]) -if test x$have_crc32 = xtrue; then - AC_DEFINE(HAVE_CRC32, 1, [kernel compiled with CRC32 functions]) -fi +# +# LIBCFS_STRINGHASH +# +# 4.6 kernel created stringhash.h which moved stuff out of dcache.h +# commit f4bcbe792b8f434e32487cff9d9e30ab45a3ce02 +# +AC_DEFUN([LIBCFS_STRINGHASH], [ +LB_CHECK_LINUX_HEADER([linux/stringhash.h], [ + AC_DEFINE(HAVE_STRINGHASH, 1, + [stringhash.h is present])]) +]) # LIBCFS_STRINGHASH + +# +# LIBCFS_STACKTRACE_OPS +# +# Kernel version 4.8 commit c8fe4609827aedc9c4b45de80e7cdc8ccfa8541b +# removed both struct stacktrace_ops and dump_trace() function +# +AC_DEFUN([LIBCFS_STACKTRACE_OPS], [ +LB_CHECK_COMPILE([if 'struct stacktrace_ops' exists], +stacktrace_ops, [ + struct task_struct; + struct pt_regs; + #include +],[ + struct stacktrace_ops ops; + ops.stack = NULL; +],[ + AC_DEFINE(HAVE_STACKTRACE_OPS, 1, + [struct stacktrace_ops exists]) ]) +]) # LIBCFS_STACKTRACE_OPS -AC_DEFUN([LIBCFS_ENABLE_CRC32_ACCEL], -[LB_LINUX_CONFIG_IM([CRYPTO_CRC32_PCLMUL], - [enable_crc32_crypto=false],[enable_crc32_crypto=true]) -if test x$have_crc32 = xtrue -a x$enable_crc32_crypto = xtrue; then - AC_DEFINE(NEED_CRC32_ACCEL, 1, [need pclmulqdq based crc32]) - AC_MSG_WARN([ +# +# Kernel version 4.9 commit 768ae309a96103ed02eb1e111e838c87854d8b51 +# mm: replace get_user_pages() write/force parameters with gup_flags +# +AC_DEFUN([LIBCFS_GET_USER_PAGES_GUP_FLAGS], [ +LB_CHECK_COMPILE([if 'get_user_pages()' takes gup_flags in arguments], +get_user_pages_gup_flags, [ + #include +],[ + int rc; + rc = get_user_pages(0, 0, FOLL_WRITE, NULL, NULL); +],[ + AC_DEFINE(HAVE_GET_USER_PAGES_GUP_FLAGS, 1, + [get_user_pages takes gup_flags in arguments]) +]) +]) # LIBCFS_GET_USER_PAGES_GUP_FLAGS -No crc32 pclmulqdq crypto api found, enable internal pclmulqdq based crc32 +# +# Kernel version 4.10 commit 7b737965b33188bd3dbb44e938535c4006d97fbb +# libcfs: Convert to hotplug state machine +# +AC_DEFUN([LIBCFS_HOTPLUG_STATE_MACHINE], [ +LB_CHECK_COMPILE([if libcfs supports CPU hotplug state machine], +cpu_hotplug_state_machine, [ + #include +],[ + cpuhp_remove_state(CPUHP_LUSTRE_CFS_DEAD); +],[ + AC_DEFINE(HAVE_HOTPLUG_STATE_MACHINE, 1, + [hotplug state machine is supported]) ]) -fi +]) # LIBCFS_HOTPLUG_STATE_MACHINE + +# +# LIBCFS_SCHED_HEADERS +# +# 4.11 has broken up sched.h into more headers. +# +AC_DEFUN([LIBCFS_SCHED_HEADERS], [ +LB_CHECK_LINUX_HEADER([linux/sched/signal.h], [ + AC_DEFINE(HAVE_SCHED_HEADERS, 1, + [linux/sched header directory exist])]) +]) # LIBCFS_SCHED_HEADERS + +# +# Kernel version 4.11 commit f9fe1c12d126f9887441fa5bb165046f30ddd4b5 +# introduced rhashtable_lookup_get_insert_fast +# +AC_DEFUN([LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST], [ +LB_CHECK_COMPILE([if 'rhashtable_lookup_get_insert_fast' exist], +rhashtable_lookup_get_insert_fast, [ + #include +],[ + const struct rhashtable_params params = { 0 }; + void *ret; + + ret = rhashtable_lookup_get_insert_fast(NULL, NULL, params); +],[ + AC_DEFINE(HAVE_RHASHTABLE_LOOKUP_GET_INSERT_FAST, 1, + [rhashtable_lookup_get_insert_fast() is available]) ]) +]) # LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST -AC_DEFUN([LIBCFS_ENABLE_CRC32C_ACCEL], -[LB_LINUX_CONFIG_IM([CRYPTO_CRC32C_INTEL], - [enable_crc32c_crypto=false],[enable_crc32c_crypto=true]) -if test x$enable_crc32c_crypto = xtrue; then - AC_DEFINE(NEED_CRC32C_ACCEL, 1, [need pclmulqdq based crc32c]) - AC_MSG_WARN([ +# +# LIBCFS_WAIT_QUEUE_ENTRY +# +# Kernel version 4.13 ac6424b981bce1c4bc55675c6ce11bfe1bbfa64f +# Rename wait_queue_t => wait_queue_entry_t +# +AC_DEFUN([LIBCFS_WAIT_QUEUE_ENTRY], [ +LB_CHECK_COMPILE([if 'wait_queue_entry_t' exists], +wait_queue_entry, [ + #include +],[ + wait_queue_entry_t e; + + e.flags = 0; +],[ + AC_DEFINE(HAVE_WAIT_QUEUE_ENTRY, 1, + ['wait_queue_entry_t' is available]) +]) +]) # LIBCFS_WAIT_QUEUE_ENTRY + +# +# LIBCFS_NEW_KERNEL_WRITE +# +# Kernel version 4.14 e13ec939e96b13e664bb6cee361cc976a0ee621a +# changed kernel_write prototype to make is plug compatible +# with the unexported vfs_write() +# +AC_DEFUN([LIBCFS_NEW_KERNEL_WRITE], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if 'kernel_write' matches other read/write helpers], +kernel_write_match, [ + #include +],[ + const void *buf = NULL; + loff_t pos = 0; + return kernel_write(NULL, buf, 0, &pos); +],[ + AC_DEFINE(HAVE_NEW_KERNEL_WRITE, 1, + ['kernel_write' aligns with read/write helpers]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_NEW_KERNEL_WRITE -No crc32c pclmulqdq crypto api found, enable internal pclmulqdq based crc32c +# +# LIBCFS_DEFINE_TIMER +# +# Kernel version 4.14 commit 1d27e3e2252ba9d949ca82fbdb73cde102cb2067 +# remove expires and data arguments from DEFINE_TIMER. Also the callback +# when from using unsigned long argument to using struct timer_list pointer. +# +AC_DEFUN([LIBCFS_DEFINE_TIMER], [ +LB_CHECK_COMPILE([if DEFINE_TIMER takes only 2 arguments], +define_timer, [ + #include +],[ + static DEFINE_TIMER(my_timer, NULL); +],[ + AC_DEFINE(HAVE_NEW_DEFINE_TIMER, 1, + [DEFINE_TIMER uses only 2 arguements]) ]) -fi +]) # LIBCFS_DEFINE_TIMER + +# +# LIBCFS_TIMER_SETUP +# +# Kernel version 4.15 commit e99e88a9d2b067465adaa9c111ada99a041bef9a +# setup_timer() was replaced by timer_setup(), where the callback +# argument is the structure already holding the struct timer_list. +# +AC_DEFUN([LIBCFS_TIMER_SETUP], [ +LB_CHECK_COMPILE([if setup_timer has been replaced with timer_setup], +timer_setup, [ + #include +],[ + timer_setup(NULL, NULL, 0); +],[ + AC_DEFINE(HAVE_TIMER_SETUP, 1, + [timer_setup has replaced setup_timer]) ]) +]) # LIBCFS_TIMER_SETUP # # LIBCFS_PROG_LINUX # -# LNet linux kernel checks +# LibCFS linux kernel checks # -AC_DEFUN([LIBCFS_PROG_LINUX], -[ +AC_DEFUN([LIBCFS_PROG_LINUX], [ +AC_MSG_NOTICE([LibCFS kernel checks +==============================================================================]) 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 +# 2.6.36 +LIBCFS_MODULE_LOCKING +# 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 -# 3.7 -LIBCFS_SOCK_ALLOC_FILE +LIBCFS_I_UID_READ # 3.8 LIBCFS_HAVE_CRC32 LIBCFS_ENABLE_CRC32_ACCEL # 3.10 LIBCFS_ENABLE_CRC32C_ACCEL -]) - -# -# LIBCFS_PROG_DARWIN -# -# Darwin checks -# -AC_DEFUN([LIBCFS_PROG_DARWIN], -[LB_DARWIN_CHECK_FUNCS([get_preemption_level]) -]) +# 3.11 +LIBCFS_KTIME_GET_TS64 +# 3.12 +LIBCFS_KERNEL_PARAM_OPS +LIBCFS_KTIME_ADD +LIBCFS_KTIME_AFTER +LIBCFS_KTIME_BEFORE +LIBCFS_KTIME_COMPARE +LIBCFS_SHRINKER_COUNT +# 3.17 +LIBCFS_HLIST_ADD_AFTER +LIBCFS_TIMESPEC64 +LIBCFS_KTIME_GET_NS +LIBCFS_KTIME_GET_REAL_TS64 +LIBCFS_KTIME_GET_REAL_SECONDS +LIBCFS_KTIME_GET_REAL_NS +LIBCFS_KTIME_TO_TIMESPEC64 +LIBCFS_TIMESPEC64_SUB +LIBCFS_TIMESPEC64_TO_KTIME +# 3.19 +LIBCFS_KTIME_GET_SECONDS +# 4.0 +LIBCFS_KTIME_MS_DELTA +# 4.1 +LIBCFS_KERNEL_PARAM_LOCK +# 4.2 +LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK +LIBCFS_FPU_API +# 4.4 +LIBCFS_KSTRTOBOOL_FROM_USER +# 4.5 +LIBCFS_CRYPTO_HASH_HELPERS +LIBCFS_EXPORT_KSET_FIND_OBJ +# 4.6 +LIBCFS_BROKEN_HASH_64 +LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT +LIBCFS_GET_USER_PAGES_6ARG +LIBCFS_STRINGHASH +# 4.8 +LIBCFS_STACKTRACE_OPS +# 4.9 +LIBCFS_GET_USER_PAGES_GUP_FLAGS +# 4.10 +LIBCFS_HOTPLUG_STATE_MACHINE +# 4.11 +LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST +LIBCFS_SCHED_HEADERS +# 4.13 +LIBCFS_WAIT_QUEUE_ENTRY +# 4.14 +LIBCFS_DEFINE_TIMER +LIBCFS_NEW_KERNEL_WRITE +# 4.15 +LIBCFS_TIMER_SETUP +]) # LIBCFS_PROG_LINUX # # LIBCFS_PATH_DEFAULTS # # default paths for installed files # -AC_DEFUN([LIBCFS_PATH_DEFAULTS], -[ -]) +AC_DEFUN([LIBCFS_PATH_DEFAULTS], [ +]) # LIBCFS_PATH_DEFAULTS # # LIBCFS_CONFIGURE # # other configure checks # -AC_DEFUN([LIBCFS_CONFIGURE], -[# lnet/utils/portals.c -AC_CHECK_HEADERS([asm/types.h endian.h sys/ioctl.h]) - -# lnet/utils/debug.c -AC_CHECK_HEADERS([linux/version.h]) - -AC_CHECK_TYPE([spinlock_t], - [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])], - [], - [#include ]) - -# lnet/utils/wirecheck.c -AC_CHECK_FUNCS([strnlen]) - -# lnet/libcfs/user-prim.c, missing for RHEL5 and earlier userspace -AC_CHECK_FUNCS([strlcpy]) - -# 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 ]) - -AC_CHECK_TYPE([__s8], - [AC_DEFINE(HAVE___S8, 1, [__s8 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__u8], - [AC_DEFINE(HAVE___U8, 1, [__u8 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__s16], - [AC_DEFINE(HAVE___S16, 1, [__s16 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__u16], - [AC_DEFINE(HAVE___U16, 1, [__u16 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__s32], - [AC_DEFINE(HAVE___S32, 1, [__s32 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__u32], - [AC_DEFINE(HAVE___U32, 1, [__u32 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__u64], - [AC_DEFINE(HAVE___U64, 1, [__u64 is defined])], - [], - [#include ]) - -AC_CHECK_TYPE([__s64], - [AC_DEFINE(HAVE___S64, 1, [__s64 is defined])], - [], - [#include ]) - -# check userland __u64 type -AC_MSG_CHECKING([userspace __u64 is long long type]) -tmp_flags="$CFLAGS" -CFLAGS="$CFLAGS -Werror" -AC_COMPILE_IFELSE([ - #include - #include - #include - int main(void) { - unsigned long long *data1; - __u64 *data2 = NULL; - - data1 = data2; - data2 = data1; - return 0; - } -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1, - [__u64 is long long type]) -],[ - AC_MSG_RESULT([no]) -]) -CFLAGS="$tmp_flags" +AC_DEFUN([LIBCFS_CONFIGURE], [ +AC_MSG_NOTICE([LibCFS core checks +==============================================================================]) + +# 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([if efence debugging support is requested]) -AC_ARG_ENABLE(efence, - AC_HELP_STRING([--enable-efence], - [use efence library]), - [],[enable_efence='no']) -AC_MSG_RESULT([$enable_efence]) -if test "$enable_efence" = "yes" ; then - LIBEFENCE="-lefence" - AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested]) -else - LIBEFENCE="" -fi -AC_SUBST(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(LIBREADLINE) -# -------- check for -lpthread support ---- +AC_MSG_CHECKING([whether to use libpthread for libcfs library]) AC_ARG_ENABLE([libpthread], - AC_HELP_STRING([--disable-libpthread], - [disable libpthread]), - [],[enable_libpthread=yes]) -if test "$enable_libpthread" = "yes" ; then - AC_CHECK_LIB([pthread], [pthread_create], - [ENABLE_LIBPTHREAD="yes"], - [ENABLE_LIBPTHREAD="no"]) - AC_MSG_CHECKING([whether to use libpthread for libcfs library]) - AC_MSG_RESULT([$ENABLE_LIBPTHREAD]) - if test "$ENABLE_LIBPTHREAD" = "yes" ; then + AC_HELP_STRING([--disable-libpthread], + [disable libpthread]), + [], [enable_libpthread="yes"]) +AC_MSG_RESULT([$enable_libpthread]) + +PTHREAD_LIBS="" +AS_IF([test "x$enable_libpthread" = xyes], [ + AC_CHECK_LIB([pthread], [pthread_create], [ PTHREAD_LIBS="-lpthread" - AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread]) - else - PTHREAD_LIBS="" - fi - AC_SUBST(PTHREAD_LIBS) -else + AC_DEFINE([HAVE_LIBPTHREAD], 1, + [use libpthread for libcfs library]) + ]) +], [ AC_MSG_WARN([Using libpthread for libcfs library is disabled explicitly]) - ENABLE_LIBPTHREAD="no" -fi -AC_SUBST(ENABLE_LIBPTHREAD) ]) +AC_SUBST(PTHREAD_LIBS) +]) # LIBCFS_CONFIGURE # # LIBCFS_CONDITIONALS # -# AM_CONDITOINAL defines for lnet -# -AC_DEFUN([LIBCFS_CONDITIONALS], -[ -AM_CONDITIONAL(HAVE_CRC32, test x$have_crc32 = xtrue) -AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32, test x$have_crc32 = xtrue -a x$enable_crc32_crypto = xtrue) -AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32C, test x$enable_crc32c_crypto = xtrue) -]) +AC_DEFUN([LIBCFS_CONDITIONALS], [ +AM_CONDITIONAL(HAVE_CRC32, [test "x$have_crc32" = xyes]) +AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32, [test "x$have_crc32" = xyes -a "x$enable_crc32_crypto" = xyes]) +AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32C, [test "x$enable_crc32c_crypto" = xyes]) +]) # LIBCFS_CONDITIONALS # # LIBCFS_CONFIG_FILES # # files that should be generated with AC_OUTPUT # -AC_DEFUN([LIBCFS_CONFIG_FILES], -[AC_CONFIG_FILES([ -libcfs/Kernelenv +AC_DEFUN([LIBCFS_CONFIG_FILES], [ +AC_CONFIG_FILES([ 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