#
# whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
#
-AC_DEFUN([LN_CONFIG_CDEBUG],
-[
+AC_DEFUN([LN_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])
-else
- AC_DEFINE(CDEBUG_ENABLED, 0, [disable 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$enable_libcfs_trace = xyes; then
- AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
-else
- AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
-fi
+AS_IF([test "x$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$enable_libcfs_assert = xyes],
+ [AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])])
+]) # LN_CONFIG_CDEBUG
#
# LIBCFS_CONFIG_PANIC_DUMPLOG
#
# check if tunable panic_dumplog is wanted
#
-AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG],
-[AC_MSG_CHECKING([for tunable panic_dumplog support])
+AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG], [
+AC_MSG_CHECKING([whether to use tunable 'panic_dumplog' support])
AC_ARG_ENABLE([panic_dumplog],
- AC_HELP_STRING([--enable-panic_dumplog],
- [enable panic_dumplog]),
- [],[enable_panic_dumplog='no'])
-if test x$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 <linux/types.h>
- #include <linux/stddef.h>
-],[
- unsigned long long *data;
+ 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
- data = (__u64*)sizeof(data);
+#
+# 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 <asm/stacktrace.h>
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KERN__U64_LONG_LONG, 1,
- [kernel __u64 is long long type])
+ ((struct stacktrace_ops *)0)->walk_stack(NULL, NULL, 0, NULL, NULL, NULL, NULL);
],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
+ AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1,
+ ['struct stacktrace_ops' has 'walk_stack' field])
])
+]) # LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
#
-# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
+# LIBCFS_STACKTRACE_WARNING
#
-# 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops'
+# 3.0 removes stacktrace_ops warning* functions
#
-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>
-],[
- ((struct stacktrace_ops *)0)->walk_stack(NULL, NULL, 0, NULL, NULL, NULL, NULL);
+AC_DEFUN([LIBCFS_STACKTRACE_WARNING], [
+LB_CHECK_COMPILE([if 'stacktrace_ops.warning' is exist],
+stacktrace_ops_warning, [
+ struct task_struct;
+ struct pt_regs;
+ #include <asm/stacktrace.h>
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, ['struct stacktrace_ops' has 'walk_stack' field])
+ ((struct stacktrace_ops *)0)->warning(NULL, NULL);
],[
- AC_MSG_RESULT([no])
-])
+ AC_DEFINE(HAVE_STACKTRACE_WARNING, 1,
+ [stacktrace_ops.warning is exist])
])
+]) # 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],
-[AC_MSG_CHECKING([shrinker want self pointer in handler])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
+AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR], [
+LB_CHECK_COMPILE([if 'shrinker' want self pointer in handler],
+shrink_self_pointer, [
+ #include <linux/mm.h>
],[
- struct shrinker *tmp = NULL;
- tmp->shrink(tmp, 0, 0);
+ struct shrinker *tmp = NULL;
+ tmp->shrink(tmp, 0, 0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SHRINKER_WANT_SHRINK_PTR, 1,
- [shrinker want self pointer in handler])
-],[
- AC_MSG_RESULT(no)
-])
+ AC_DEFINE(HAVE_SHRINKER_WANT_SHRINK_PTR, 1,
+ [shrinker want self pointer in handler])
])
+]) # LC_SHRINKER_WANT_SHRINK_PTR
#
+# LIBCFS_SYSCTL_CTLNAME
+#
# 2.6.33 no longer has ctl_name & strategy field in struct ctl_table.
#
-AC_DEFUN([LIBCFS_SYSCTL_CTLNAME],
-[AC_MSG_CHECKING([if ctl_table has a ctl_name field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sysctl.h>
-],[
- struct ctl_table ct;
- ct.ctl_name = sizeof(ct);
+AC_DEFUN([LIBCFS_SYSCTL_CTLNAME], [
+LB_CHECK_COMPILE([if 'ctl_table' has a 'ctl_name' field],
+ctl_table_ctl_name, [
+ #include <linux/sysctl.h>
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SYSCTL_CTLNAME, 1,
- [ctl_table has ctl_name field])
+ struct ctl_table ct;
+ ct.ctl_name = sizeof(ct);
],[
- AC_MSG_RESULT(no)
-])
+ AC_DEFINE(HAVE_SYSCTL_CTLNAME, 1,
+ [ctl_table has ctl_name field])
])
+]) # LIBCFS_SYSCTL_CTLNAME
#
# LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
#
# 2.6.34 adds __add_wait_queue_exclusive
#
-AC_DEFUN([LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE],
-[AC_MSG_CHECKING([if __add_wait_queue_exclusive exists])
-LB_LINUX_TRY_COMPILE([
- #include <linux/wait.h>
-],[
- wait_queue_head_t queue;
- wait_queue_t wait;
-
- __add_wait_queue_exclusive(&queue, &wait);
+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_MSG_RESULT(yes)
- AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
- [__add_wait_queue_exclusive exists])
+ wait_queue_head_t queue;
+ wait_queue_t wait;
+ __add_wait_queue_exclusive(&queue, &wait);
],[
- AC_MSG_RESULT(no)
-])
+ AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
+ [__add_wait_queue_exclusive exists])
])
+]) # LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
#
+# LC_SK_SLEEP
+#
# 2.6.35 kernel has sk_sleep function
#
-AC_DEFUN([LC_SK_SLEEP],
-[AC_MSG_CHECKING([if kernel has sk_sleep])
-LB_LINUX_TRY_COMPILE([
- #include <net/sock.h>
-],[
- sk_sleep(NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SK_SLEEP, 1, [kernel has sk_sleep])
+AC_DEFUN([LC_SK_SLEEP], [
+LB_CHECK_COMPILE([if Linux kernel has 'sk_sleep'],
+sk_sleep, [
+ #include <net/sock.h>
],[
- AC_MSG_RESULT(no)
+ sk_sleep(NULL);
],[
+ AC_DEFINE(HAVE_SK_SLEEP, 1,
+ [kernel has sk_sleep])
])
-])
+]) # LC_SK_SLEEP
+#
+# LIBCFS_DUMP_TRACE_ADDRESS
+#
# 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([
+#
+AC_DEFUN([LIBCFS_DUMP_TRACE_ADDRESS], [
+LB_CHECK_COMPILE([if 'dump_trace' want address],
+dump_trace_address, [
struct task_struct;
struct pt_regs;
#include <asm/stacktrace.h>
],[
dump_trace(NULL, NULL, NULL, 0, NULL, NULL);
],[
- AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1,
[dump_trace want address argument])
-],[
- AC_MSG_RESULT(no)
-],[
-])
])
+]) # 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],
-[AC_MSG_CHECKING([shrink_control is present])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
-],[
- struct shrink_control tmp = {0};
- tmp.nr_to_scan = sizeof(tmp);
+AC_DEFUN([LC_SHRINK_CONTROL], [
+LB_CHECK_COMPILE([if 'shrink_control' is present],
+shrink_control, [
+ #include <linux/mm.h>
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SHRINK_CONTROL, 1,
- [shrink_control is present])
+ 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
-# 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 <asm/stacktrace.h>
-],[
- ((struct stacktrace_ops *)0)->warning(NULL, NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, [stacktrace_ops.warning is exist])
+#
+# 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 <linux/fs.h>
],[
- AC_MSG_RESULT(no)
+ 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
# use sock_alloc_file().
# upstream commit 56b31d1c9f1e6a3ad92e7bfe252721e05d92b285
#
-AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE],
-[LB_CHECK_SYMBOL_EXPORT([sock_alloc_file], [net/socket.c],[
- LB_LINUX_TRY_COMPILE([
+AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE], [
+LB_CHECK_EXPORT([sock_alloc_file], [net/socket.c], [
+ LB_CHECK_COMPILE([if 'sock_alloc_file' takes 3 arguments],
+ sock_alloc_file_3args, [
#include <linux/net.h>
],[
sock_alloc_file(NULL, 0, NULL);
AC_DEFINE(HAVE_SOCK_ALLOC_FILE, 1,
[sock_alloc_file is exported])
])
-],[
-])
])
+]) # LIBCFS_SOCK_ALLOC_FILE
-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_HAVE_CRC32
+#
+AC_DEFUN([LIBCFS_HAVE_CRC32], [
+LB_CHECK_CONFIG_IM([CRC32],
+ [have_crc32="yes"], [have_crc32="no"])
+AS_IF([test "x$have_crc32" = xyes],
+ [AC_DEFINE(HAVE_CRC32, 1,
+ [kernel compiled with CRC32 functions])])
+]) # LIBCFS_HAVE_CRC32
-AC_DEFUN([LIBCFS_ENABLE_CRC32_ACCEL],
-[LB_LINUX_CONFIG_IM([CRYPTO_CRC32_PCLMUL],
- [enable_crc32_crypto=false],[enable_crc32_crypto=true])
-if test x$have_crc32 = xtrue -a x$enable_crc32_crypto = xtrue; then
+#
+# LIBCFS_ENABLE_CRC32_ACCEL
+#
+AC_DEFUN([LIBCFS_ENABLE_CRC32_ACCEL], [
+LB_CHECK_CONFIG_IM([CRYPTO_CRC32_PCLMUL],
+ [enable_crc32_crypto="no"], [enable_crc32_crypto="yes"])
+AS_IF([test "x$have_crc32" = xyes -a "x$enable_crc32_crypto" = xyes], [
AC_DEFINE(NEED_CRC32_ACCEL, 1, [need pclmulqdq based crc32])
AC_MSG_WARN([
No crc32 pclmulqdq crypto api found, enable internal pclmulqdq based crc32
-])
-fi
-])
+])])
+]) # LIBCFS_ENABLE_CRC32_ACCEL
-AC_DEFUN([LIBCFS_ENABLE_CRC32C_ACCEL],
-[LB_LINUX_CONFIG_IM([CRYPTO_CRC32C_INTEL],
- [enable_crc32c_crypto=false],[enable_crc32c_crypto=true])
-if test x$enable_crc32c_crypto = xtrue; then
+#
+# 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
+
+#
+# FC19 3.12 kernel struct shrinker change
+#
+AC_DEFUN([LIBCFS_SHRINKER_COUNT],[
+LB_CHECK_COMPILE([shrinker has 'count_objects'],
+shrinker_count_objects, [
+ #include <linux/mmzone.h>
+ #include <linux/shrinker.h>
+],[
+ ((struct shrinker*)0)->count_objects(NULL, NULL);
+],[
+ AC_DEFINE(HAVE_SHRINKER_COUNT, 1,
+ [shrinker has count_objects memeber])
])
-fi
])
#
# 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
LC_SHRINK_CONTROL
# 3.0
LIBCFS_STACKTRACE_WARNING
+# 3.5
+LIBCFS_PROCESS_NAMESPACE
+LIBCFS_I_UID_READ
# 3.7
LIBCFS_SOCK_ALLOC_FILE
# 3.8
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])
-])
+# 3.12
+LIBCFS_SHRINKER_COUNT
+]) # 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_DEFUN([LIBCFS_CONFIGURE], [
+AC_MSG_NOTICE([LibCFS core checks
+==============================================================================])
+
+# lnet/utils/portals.c
AC_CHECK_HEADERS([asm/types.h endian.h sys/ioctl.h])
# lnet/utils/debug.c
# 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>])
-
-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>])
-
-AC_CHECK_TYPE([__s64],
- [AC_DEFINE(HAVE___S64, 1, [__s64 is defined])],
- [],
- [#include <asm/types.h>])
-
-# check userland __u64 type
-AC_MSG_CHECKING([userspace __u64 is long long type])
-tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -Werror"
-AC_COMPILE_IFELSE([
- #include <stdio.h>
- #include <linux/types.h>
- #include <linux/stddef.h>
- int main(void) {
- unsigned long long *data1;
- __u64 *data2 = NULL;
-
- data1 = data2;
- data2 = data1;
- return 0;
- }
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1,
- [__u64 is long long type])
-],[
- AC_MSG_RESULT([no])
-])
-CFLAGS="$tmp_flags"
-
# -------- Check for required packages --------------
+AC_MSG_NOTICE([LibCFS required packages checks
+==============================================================================])
-AC_MSG_CHECKING([if efence debugging support is requested])
+AC_MSG_CHECKING([whether to enable 'efence' debugging support])
AC_ARG_ENABLE(efence,
AC_HELP_STRING([--enable-efence],
- [use efence library]),
- [],[enable_efence='no'])
+ [use efence library]),
+ [], [enable_efence="no"])
AC_MSG_RESULT([$enable_efence])
-if test "$enable_efence" = "yes" ; then
+AS_IF([test "$enable_efence" = yes], [
LIBEFENCE="-lefence"
AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
-else
+], [
LIBEFENCE=""
-fi
+])
AC_SUBST(LIBEFENCE)
-
# -------- check for -lpthread support ----
+
+AC_MSG_CHECKING([whether to use libpthread for libcfs library])
AC_ARG_ENABLE([libpthread],
- AC_HELP_STRING([--disable-libpthread],
- [disable libpthread]),
- [],[enable_libpthread=yes])
-if test "$enable_libpthread" = "yes" ; then
+ AC_HELP_STRING([--disable-libpthread],
+ [disable libpthread]),
+ [], [enable_libpthread="yes"])
+AC_MSG_RESULT([$enable_libpthread])
+AS_IF([test "x$enable_libpthread" = xyes], [
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
+ AS_IF([test "$ENABLE_LIBPTHREAD" = yes], [
PTHREAD_LIBS="-lpthread"
AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
- else
+ ], [
PTHREAD_LIBS=""
- fi
+ ])
AC_SUBST(PTHREAD_LIBS)
-else
+], [
AC_MSG_WARN([Using libpthread for libcfs library is disabled explicitly])
ENABLE_LIBPTHREAD="no"
-fi
-AC_SUBST(ENABLE_LIBPTHREAD)
])
+AC_SUBST(ENABLE_LIBPTHREAD)
+]) # LIBCFS_CONFIGURE
#
# LIBCFS_CONDITIONALS
#
-# AM_CONDITOINAL defines for lnet
-#
-AC_DEFUN([LIBCFS_CONDITIONALS],
-[
-AM_CONDITIONAL(HAVE_CRC32, test x$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([
+AC_DEFUN([LIBCFS_CONFIG_FILES], [
+AC_CONFIG_FILES([
libcfs/Kernelenv
libcfs/Makefile
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