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#
# Copyright (c) 2006, 2010, Innobase Oy. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St,
# Fifth Floor, Boston, MA 02110-1301, USA
#
MYSQL_STORAGE_ENGINE(innodb_plugin,, [InnoDB Storage Engine],
[Transactional Tables using InnoDB], [max,max-no-ndb])
MYSQL_PLUGIN_DIRECTORY(innodb_plugin, [storage/innodb_plugin])
# Enable if you know what you are doing (trying to link both InnoDB and
# InnoDB Plugin statically into MySQL does not work).
#MYSQL_PLUGIN_STATIC(innodb_plugin, [libinnobase.a])
MYSQL_PLUGIN_DYNAMIC(innodb_plugin, [ha_innodb_plugin.la])
MYSQL_PLUGIN_ACTIONS(innodb_plugin, [
AC_CHECK_HEADERS(sched.h)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(void*, 4)
AC_CHECK_FUNCS(sched_yield fdatasync localtime_r)
AC_C_BIGENDIAN
case "$target_os" in
lin*)
CFLAGS="$CFLAGS -DUNIV_LINUX";;
hpux10*)
CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";;
hp*)
CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX";;
aix*)
CFLAGS="$CFLAGS -DUNIV_AIX";;
irix*|osf*|sysv5uw7*|openbsd*)
CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
*solaris*|*SunOS*)
CFLAGS="$CFLAGS -DUNIV_SOLARIS";;
esac
INNODB_DYNAMIC_CFLAGS="-DMYSQL_DYNAMIC_PLUGIN"
case "$target_cpu" in
x86_64)
# The AMD64 ABI forbids absolute addresses in shared libraries
;;
*86)
# Use absolute addresses on IA-32
INNODB_DYNAMIC_CFLAGS="$INNODB_DYNAMIC_CFLAGS -prefer-non-pic"
;;
esac
AC_SUBST(INNODB_DYNAMIC_CFLAGS)
AC_MSG_CHECKING(whether GCC atomic builtins are available)
# either define HAVE_IB_GCC_ATOMIC_BUILTINS or not
AC_TRY_RUN(
[
int main()
{
long x;
long y;
long res;
char c;
x = 10;
y = 123;
res = __sync_bool_compare_and_swap(&x, x, y);
if (!res || x != y) {
return(1);
}
x = 10;
y = 123;
res = __sync_bool_compare_and_swap(&x, x + 1, y);
if (res || x != 10) {
return(1);
}
x = 10;
y = 123;
res = __sync_add_and_fetch(&x, y);
if (res != 123 + 10 || x != 123 + 10) {
return(1);
}
c = 10;
res = __sync_lock_test_and_set(&c, 123);
if (res != 10 || c != 123) {
return(1);
}
return(0);
}
],
[
AC_DEFINE([HAVE_IB_GCC_ATOMIC_BUILTINS], [1],
[GCC atomic builtins are available])
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
]
)
AC_MSG_CHECKING(whether pthread_t can be used by GCC atomic builtins)
# either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not
AC_TRY_RUN(
[
#include <pthread.h>
#include <string.h>
int main(int argc, char** argv) {
pthread_t x1;
pthread_t x2;
pthread_t x3;
memset(&x1, 0x0, sizeof(x1));
memset(&x2, 0x0, sizeof(x2));
memset(&x3, 0x0, sizeof(x3));
__sync_bool_compare_and_swap(&x1, x2, x3);
return(0);
}
],
[
AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_GCC], [1],
[pthread_t can be used by GCC atomic builtins])
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
]
)
AC_MSG_CHECKING(whether Solaris libc atomic functions are available)
# Define HAVE_IB_SOLARIS_ATOMICS if _all_ of the following
# functions are present.
AC_CHECK_FUNCS(atomic_add_long_nv \
atomic_cas_32 \
atomic_cas_64 \
atomic_cas_ulong \
atomic_swap_uchar)
if test "${ac_cv_func_atomic_add_long_nv}" = "yes" -a \
"${ac_cv_func_atomic_cas_32}" = "yes" -a \
"${ac_cv_func_atomic_cas_64}" = "yes" -a \
"${ac_cv_func_atomic_cas_ulong}" = "yes" -a \
"${ac_cv_func_atomic_swap_uchar}" = "yes" ; then
AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1],
[Define to 1 if Solaris libc atomic functions are available]
)
fi
AC_MSG_CHECKING(whether pthread_t can be used by Solaris libc atomic functions)
# either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not
AC_TRY_RUN(
[
#include <pthread.h>
#include <string.h>
int main(int argc, char** argv) {
pthread_t x1;
pthread_t x2;
pthread_t x3;
memset(&x1, 0x0, sizeof(x1));
memset(&x2, 0x0, sizeof(x2));
memset(&x3, 0x0, sizeof(x3));
if (sizeof(pthread_t) == 4) {
atomic_cas_32(&x1, x2, x3);
} else if (sizeof(pthread_t) == 8) {
atomic_cas_64(&x1, x2, x3);
} else {
return(1);
}
return(0);
}
],
[
AC_DEFINE([HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS], [1],
[pthread_t can be used by solaris atomics])
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
]
)
# this is needed to know which one of atomic_cas_32() or atomic_cas_64()
# to use in the source
AC_CHECK_SIZEOF([pthread_t], [], [#include <pthread.h>])
# Check for x86 PAUSE instruction
AC_MSG_CHECKING(for x86 PAUSE instruction)
# We have to actually try running the test program, because of a bug
# in Solaris on x86_64, where it wrongly reports that PAUSE is not
# supported when trying to run an application. See
# http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6478684
# We use ib_ prefix to avoid collisoins if this code is added to
# mysql's configure.in.
AC_TRY_RUN(
[
int main() {
__asm__ __volatile__ ("pause");
return(0);
}
],
[
AC_DEFINE([HAVE_IB_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist])
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
],
[
AC_MSG_RESULT(no)
]
)
])
# vim: set ft=config:
|
