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diff --git a/storage/xtradb/plug.in b/storage/xtradb/plug.in
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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., 59 Temple
+# Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+MYSQL_STORAGE_ENGINE(xtradb, xtradb, [XtraDB Storage Engine],
+ [XtraDB - a drop-in replacement for InnoDB], [max,max-no-ndb])
+MYSQL_PLUGIN_DIRECTORY(xtradb, [storage/xtradb])
+MYSQL_PLUGIN_STATIC(xtradb, [libxtradb.a])
+MYSQL_PLUGIN_DYNAMIC(xtradb, [ha_xtradb.la])
+MYSQL_PLUGIN_ACTIONS(xtradb, [
+ with_plugin_innobase=$with_plugin_xtradb # for legacy code in configure.in
+ AC_CHECK_LIB(rt, aio_read, [innodb_system_libs="-lrt"])
+ AC_SUBST(innodb_system_libs)
+ AC_CHECK_HEADERS(aio.h sched.h)
+ AC_CHECK_SIZEOF(int, 4)
+ AC_CHECK_SIZEOF(long, 4)
+ AC_CHECK_SIZEOF(void*, 4)
+ AC_CHECK_FUNCS(sched_yield fdatasync localtime_r)
+ AC_C_BIGENDIAN
+ case "$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)
+ # either define HAVE_IB_SOLARIS_ATOMICS or not
+ AC_CHECK_FUNCS(atomic_add_long \
+ atomic_cas_32 \
+ atomic_cas_64 \
+ atomic_cas_ulong,
+
+ AC_DEFINE([HAVE_IB_SOLARIS_ATOMICS], [1],
+ [Define to 1 if Solaris libc atomic functions \
+ are available])
+ )
+
+ 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: