~drizzle-trunk/drizzle/development

#

# Copyright (c) 2006, 2009, 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(innobase,  innodb, [InnoDB Storage Engine],

        [Transactional Tables using InnoDB], [max,max-no-ndb])

MYSQL_PLUGIN_DIRECTORY(innobase, [storage/innobase])

MYSQL_PLUGIN_STATIC(innobase,   [libinnobase.a])

MYSQL_PLUGIN_DYNAMIC(innobase,  [ha_innodb.la])

MYSQL_PLUGIN_ACTIONS(innobase,  [

  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*)

		# Begin Solaris atomic function checks

		AC_CHECK_FUNCS(atomic_cas_ulong atomic_cas_32 \

			       atomic_cas_64 atomic_add_long,

			AC_DEFINE(

				[HAVE_SOLARIS_ATOMICS],

				[1],

				[Define to 1 if Solaris supports \

				 atomic functions.]))

		### End Solaris atomic function checks

		CFLAGS="$CFLAGS -DUNIV_SOLARIS";;

  esac

  INNODB_DYNAMIC_CFLAGS="-DPANDORA_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 pthread_t can be used by GCC atomic builtins)

  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_ATOMIC_PTHREAD_T], [1],

                [pthread_t can be used by GCC atomic builtins])

      AC_MSG_RESULT(yes)

    ],

    [

      AC_MSG_RESULT(no)

    ]

    )

  # Try using solaris atomics on SunOS if GCC atomics are not available

  AC_CHECK_DECLS(

    [HAVE_ATOMIC_PTHREAD_T],

    [

      AC_MSG_NOTICE(no need to check pthread_t size)

    ],

    [

      AC_CHECK_DECLS(

        [HAVE_SOLARIS_ATOMICS],

        [

          AC_MSG_CHECKING(checking if pthread_t size is integral)

          AC_TRY_RUN(

            [

              #include <pthread.h>

              int main()

              {

                pthread_t x = 0;

                return(0);

              }

            ],

            [

              AC_DEFINE([HAVE_ATOMIC_PTHREAD_T], [1],

                [pthread_t can be used by solaris atomics])

              AC_MSG_RESULT(yes)

              # size of pthread_t is needed for typed solaris atomics

              AC_CHECK_SIZEOF([pthread_t], [], [#include <pthread.h>])

            ],

            [

              AC_MSG_RESULT(no)

            ])

        ])

    ])

  # 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([IB_HAVE_PAUSE_INSTRUCTION], [1], [Does x86 PAUSE instruction exist])

      AC_MSG_RESULT(yes)

    ],

    [

      AC_MSG_RESULT(no)

    ],

    [

      AC_MSG_RESULT(no)

    ]

  )

dnl Must be done once we turn on warnings and such

AC_CACHE_CHECK(

  [whether __attribute__ visibility "hidden" is supported],

  [ac_cv_can_use_hidden_],[

    AC_LANG_PUSH(C++)

    save_CXXFLAGS="${CXXFLAGS}"

    CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}"

    AC_LINK_IFELSE([

      AC_LANG_PROGRAM(

        [[

__attribute__((visibility ("hidden")))

void testme() {  }

        ]],[[testme()]]

      )],  

      [ac_cv_can_use_hidden_=yes],

      [ac_cv_can_use_hidden_=no])

    CXXFLAGS="${save_CXXFLAGS}"

    AC_LANG_POP()])

AS_IF([test "$ac_cv_can_use_hidden_" = "yes"],[

  AC_DEFINE(HAVE_ATTR_HIDDEN, 1,

  [Define to 1 if you have support for __attribute__((visibility("hidden")))])

])

  ])

# vim: set ft=config: