configure.in

dnl -*- ksh -*-
dnl Process this file with autoconf to produce a configure script.

# Minimum Autoconf version required.
AC_PREREQ(2.59)

dnl Various people throughout the community may parse configure.in to
dnl get the MySQL version from the source branch.  If the formatting
dnl of this line is going to be changed, please announce the change to
dnl internals@lists.mysql.com in advance of pushing the change.
dnl
dnl When changing the major version number please also check the switch
dnl statement in mysqlbinlog::check_master_version().  You may also need
dnl to update version.c in ndb.
AC_INIT([MySQL Server], [5.1.60], [], [mysql])

AC_CONFIG_SRCDIR([sql/mysqld.cc])
AC_CANONICAL_SYSTEM
# USTAR format gives us the possibility to store longer path names in
# TAR files, the path name is split into two parts, a 155 chacater
# first part and a 100 character second part.
AM_INIT_AUTOMAKE([1.9 tar-ustar])
AC_PROG_LIBTOOL

AM_CONFIG_HEADER([include/config.h])

# Request support for automake silent-rules if available.
# Default to verbose output. One can use the configure-time
# option --enable-silent-rules or make V=0 to activate
# silent rules.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([no])])

PROTOCOL_VERSION=10
DOT_FRM_VERSION=6
# See the libtool docs for information on how to do shared lib versions.
SHARED_LIB_MAJOR_VERSION=16
SHARED_LIB_VERSION=$SHARED_LIB_MAJOR_VERSION:0:0
NDB_SHARED_LIB_MAJOR_VERSION=3
NDB_SHARED_LIB_VERSION=$NDB_SHARED_LIB_MAJOR_VERSION:0:0

# Set all version vars based on $VERSION. How do we do this more elegant ?
# Remember that regexps needs to quote [ and ] since this is run through m4
# We take some made up examples
#
#  VERSION                  5.1.40sp1-alpha     5.0.34a  5.5.1-m2
#  MYSQL_U_SCORE_VERSION    5.1.40sp1_alpha     5.0.34a  5.5.1_m2
#  MYSQL_NO_DASH_VERSION    5.1.40sp1           5.0.34a  5.5.1
#  MYSQL_NUMERIC_VERSION    5.1.40              5.0.34   5.5.1
#  MYSQL_BASE_VERSION       5.1                 5.0      5.5
#  MYSQL_VERSION_ID         50140               50034    50501
#
MYSQL_U_SCORE_VERSION=`echo $VERSION | sed -e "s|-|_|"`
MYSQL_NO_DASH_VERSION=`echo $VERSION | sed -e "s|-.*$||"`
MYSQL_NUMERIC_VERSION=`echo $MYSQL_NO_DASH_VERSION | sed -e "s|[[a-z]][[a-z0-9]]*$||"`
MYSQL_BASE_VERSION=`echo $MYSQL_NUMERIC_VERSION | sed -e "s|\.[[^.]]*$||"`
MYSQL_VERSION_ID=`echo $MYSQL_NUMERIC_VERSION | \
    awk -F. '{printf "%d%0.2d%0.2d", $1, $2, $3}'`
MYSQL_COPYRIGHT_YEAR=`date '+%Y'`

# Add previous major version for debian package upgrade path
MYSQL_PREVIOUS_BASE_VERSION=5.0

# The port should be constant for a LONG time
MYSQL_TCP_PORT_DEFAULT=3306
MYSQL_UNIX_ADDR_DEFAULT="/tmp/mysql.sock"

dnl Include m4 
sinclude(config/ac-macros/maintainer.m4)
sinclude(config/ac-macros/alloca.m4)
sinclude(config/ac-macros/check_cpu.m4)
sinclude(config/ac-macros/character_sets.m4)
sinclude(config/ac-macros/compiler_flag.m4)
sinclude(config/ac-macros/plugins.m4)
sinclude(config/ac-macros/ha_ndbcluster.m4)
sinclude(config/ac-macros/large_file.m4)
sinclude(config/ac-macros/misc.m4)
sinclude(config/ac-macros/readline.m4)
sinclude(config/ac-macros/ssl.m4)
sinclude(config/ac-macros/zlib.m4)

# Remember to add a directory sql/share/LANGUAGE
AVAILABLE_LANGUAGES="\
czech danish dutch english estonian french german greek hungarian \
italian japanese korean norwegian norwegian-ny polish portuguese \
romanian russian serbian slovak spanish swedish ukrainian"

#####
#####

AC_SUBST(MYSQL_U_SCORE_VERSION)
AC_SUBST(MYSQL_NO_DASH_VERSION)
AC_SUBST(MYSQL_BASE_VERSION)
AC_SUBST(MYSQL_VERSION_ID)
AC_SUBST(MYSQL_PREVIOUS_BASE_VERSION)
AC_SUBST(MYSQL_COPYRIGHT_YEAR)
AC_SUBST(PROTOCOL_VERSION)
AC_DEFINE_UNQUOTED([PROTOCOL_VERSION], [$PROTOCOL_VERSION],
                   [mysql client protocol version])
AC_SUBST(DOT_FRM_VERSION)
AC_DEFINE_UNQUOTED([DOT_FRM_VERSION], [$DOT_FRM_VERSION],
                   [Version of .frm files])
AC_SUBST(SHARED_LIB_MAJOR_VERSION)
AC_SUBST(SHARED_LIB_VERSION)
AC_SUBST(AVAILABLE_LANGUAGES)

# Check whether a debug mode should be enabled.
AC_ARG_WITH([debug],
    AS_HELP_STRING([--with-debug@<:@=full@:>@],
      [Enable various amounts of debugging support (full adds a slow memory checker).]),
    [with_debug=$withval],
    [with_debug=no])

# Whether the maintainer mode should be enabled.
MY_MAINTAINER_MODE

# Canonicalize the configuration name.

# Check whether --with-system-type or --without-system-type was given.
AC_ARG_WITH(system-type,
    [  --with-system-type      Set the system type, like "sun-solaris10"],
    [SYSTEM_TYPE="$withval"],
    [SYSTEM_TYPE="$host_vendor-$host_os"])
AC_ARG_WITH(machine-type,
    [  --with-machine-type     Set the machine type, like "powerpc"],
    [MACHINE_TYPE="$withval"],
    [MACHINE_TYPE="$host_cpu"])
AC_SUBST(SYSTEM_TYPE)
AC_DEFINE_UNQUOTED([SYSTEM_TYPE], ["$SYSTEM_TYPE"],
                   [Name of system, eg sun-solaris])
AC_SUBST(MACHINE_TYPE)
AC_DEFINE_UNQUOTED([MACHINE_TYPE], ["$MACHINE_TYPE"],
                   [Machine type name, eg sparc])

# Detect intel x86 like processor
BASE_MACHINE_TYPE=$MACHINE_TYPE
case $MACHINE_TYPE in
  i?86) BASE_MACHINE_TYPE=i386 ;;
esac

# Save some variables and the command line options for mysqlbug
SAVE_CC="$CC"
SAVE_CXX="$CXX"
SAVE_ASFLAGS="$ASFLAGS"
SAVE_CFLAGS="$CFLAGS"
SAVE_CXXFLAGS="$CXXFLAGS"
SAVE_LDFLAGS="$LDFLAGS"
SAVE_CXXLDFLAGS="$CXXLDFLAGS"
CONF_COMMAND="$0 $ac_configure_args"
AC_SUBST(CONF_COMMAND)
AC_SUBST(SAVE_CC)
AC_SUBST(SAVE_CXX)
AC_SUBST(SAVE_ASFLAGS)
AC_SUBST(SAVE_CFLAGS)
AC_SUBST(SAVE_CXXFLAGS)
AC_SUBST(SAVE_LDFLAGS)
AC_SUBST(SAVE_CXXLDFLAGS)
AC_SUBST(CXXLDFLAGS)

#AC_ARG_PROGRAM			# Automaticly invoked by AM_INIT_AUTOMAKE

AM_SANITY_CHECK
# This is needed is SUBDIRS is set
AC_PROG_MAKE_SET

##############################################################################
# The below section needs to be done before AC_PROG_CC
##############################################################################

# Hack for OS X/Darwin and Metrowerks CodeWarrior
AC_ARG_WITH(darwin-mwcc,
[  --with-darwin-mwcc      Use Metrowerks CodeWarrior wrappers on OS X/Darwin],[
 if [ "with_darwin_mwcc" = yes ] ; then
  builddir=`pwd`
  ccwrapper="$builddir/support-files/MacOSX/mwcc-wrapper"
  arwrapper="$builddir/support-files/MacOSX/mwar-wrapper"
  CC="$ccwrapper"
  CXX="$ccwrapper"
  LD="$ccwrapper"
  AR="$arwrapper"
  RANLIB=:
  export CC CXX LD AR RANLIB
  AC_SUBST(AR)
  AC_SUBST(RANLIB)
 fi
])

AM_CONDITIONAL(DARWIN_MWCC, test x$with_darwin_mwcc = xyes)

if test "x${CFLAGS-}" = x ; then
  cflags_is_set=no
else
  cflags_is_set=yes
fi

if test "x${CPPFLAGS-}" = x ; then
  cppflags_is_set=no
else
  cppflags_is_set=yes
fi

if test "x${LDFLAGS-}" = x ; then
  ldflags_is_set=no
else
  ldflags_is_set=yes
fi

################ End of section to be done before AC_PROG_CC #################

# The following hack should ensure that configure doesn't add optimizing
# or debugging flags to CFLAGS or CXXFLAGS
# C_EXTRA_FLAGS are flags that are automaticly added to both
# CFLAGS and CXXFLAGS
CFLAGS="$CFLAGS $C_EXTRA_FLAGS "
CXXFLAGS="$CXXFLAGS $C_EXTRA_FLAGS "

dnl Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP

# Print version of CC and CXX compiler (if they support --version)
case $SYSTEM_TYPE in
  *netware*)
CC_VERSION=`$CC -version | grep -i version`
    ;;
  *)
CC_VERSION=`$CC --version | sed 1q`
    ;;
esac
if test $? -eq "0"
then
  AC_MSG_CHECKING("C Compiler version")
  AC_MSG_RESULT("$CC $CC_VERSION")
else
CC_VERSION=""
fi
AC_SUBST(CC_VERSION)
MYSQL_CHECK_CXX_VERSION

# Fix for sgi gcc / sgiCC which tries to emulate gcc
if test "$CC" = "sgicc"
then
  ac_cv_prog_gcc="no"
fi
if test "$CXX" = "sgi++"
then
  GXX="no"
fi

if test "$ac_cv_prog_gcc" = "yes"
then
  AS="$CC -c"
  AC_SUBST(AS)
else
  AC_PATH_PROG(AS, as, as)
fi

# Still need ranlib for readline; local static use only so no libtool.
AC_PROG_RANLIB
# We use libtool
#AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL

# Ensure that we have --preserve-dup-deps defines, otherwise we get link
# problems of 'mysql' with CXX=g++
LIBTOOL="$LIBTOOL --preserve-dup-deps"
AC_SUBST(LIBTOOL)dnl

AC_SUBST(NM)dnl

# NM= "$NM -X64"
#archive_expsym_cmds= `echo "$archive_expsym_cmds" | sed -e '/"$(CC)"//'`
#archive_expsym_cmds= "$CC -q64 $archive_expsym_cmds"
#  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed -e 's/-fbranch-probabilities//; s/-Wall//; s/-ansi//; s/-pedantic//; s/-Wcheck//'`

#AC_LIBTOOL_DLOPEN AC_LIBTOOL_WIN32_DLL AC_DISABLE_FAST_INSTALL AC_DISABLE_SHARED AC_DISABLE_STATIC

# AC_PROG_INSTALL
AC_PROG_INSTALL
test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'

# Not critical since the generated file is distributed
AC_CHECK_PROGS(YACC, ['bison -y -p MYSQL'])
AC_CHECK_PROG(PDFMANUAL, pdftex, manual.pdf)
AC_CHECK_PROG(DVIS,      tex,    manual.dvi)

AC_PATH_PROG(uname_prog, uname, no)

# We should go through this and put all the explictly system dependent
# stuff in one place
AC_MSG_CHECKING(operating system)
AC_CACHE_VAL(mysql_cv_sys_os,
[
if test "$uname_prog" != "no"; then
  mysql_cv_sys_os="`uname`"
else
  mysql_cv_sys_os="Not Solaris"
fi
])
AC_MSG_RESULT($mysql_cv_sys_os)

# This should be rewritten to use $target_os
case "$target_os" in
  sco3.2v5*) 
     CFLAGS="$CFLAGS -DSCO"
     CXXFLAGS="$CXXFLAGS -DSCO"
     LD='$(CC) $(CFLAGS)'
     case "$CFLAGS" in
       *-belf*) 
         AC_SYS_COMPILER_FLAG(-belf,sco_belf_option,CFLAGS,[],[
         case "$LDFLAGS" in
           *-belf*) ;;
           *) AC_MSG_WARN([Adding -belf option to ldflags.])
              LDFLAGS="$LDFLAGS -belf"
           ;;
         esac
         ])
       ;;
       *)
         AC_SYS_COMPILER_FLAG(-belf,sco_belf_option,CFLAGS,[],[
         case "$LDFLAGS" in
           *-belf*) ;;
           *)
	     AC_MSG_WARN([Adding -belf option to ldflags.])
             LDFLAGS="$LDFLAGS -belf"
           ;;
         esac
         ])
       ;;
     esac
  ;;
  sysv5UnixWare* | sysv5OpenUNIX8*) 
    if test "$GCC" != "yes"; then
      # Use the built-in alloca()
      CFLAGS="$CFLAGS -Kalloca"
    fi
    CXXFLAGS="$CXXFLAGS -DNO_CPLUSPLUS_ALLOCA"
  ;;
  sysv5SCO_SV6.0.0*)
    if test "$GCC" != "yes"; then
      # Use the built-in alloca()
      CFLAGS="$CFLAGS -Kalloca"
      CXXFLAGS="$CFLAGS -Kalloca"
      # Use no_implicit for templates
      CXXFLAGS="$CXXFLAGS -Tno_implicit"
      AC_DEFINE([HAVE_EXPLICIT_TEMPLATE_INSTANTIATION],
        [1], [Defined by configure. Use explicit template instantiation.])
    fi
  ;;
esac
AC_SUBST(CC)
AC_SUBST(CFLAGS)
AC_SUBST(CXX)
AC_SUBST(CXXFLAGS)
AC_SUBST(ASFLAGS)
AC_SUBST(LD)
AC_SUBST(INSTALL_SCRIPT)

export CC CXX CFLAGS LD LDFLAGS AR ARFLAGS

if test "$GCC" = "yes"
then
  # mysqld requires -fno-implicit-templates.
  # Disable exceptions as they seams to create problems with gcc and threads.
  # mysqld doesn't use run-time-type-checking, so we disable it.
  # We should use -Wno-invalid-offsetof flag to disable some warnings from gcc
  # regarding offset() usage in C++ which are done in a safe manner in the
  # server
  CXXFLAGS="$CXXFLAGS -fno-implicit-templates -fno-exceptions -fno-rtti"
  AC_DEFINE([HAVE_EXPLICIT_TEMPLATE_INSTANTIATION],
    [1], [Defined by configure. Use explicit template instantiation.])
fi

MYSQL_PROG_AR

# libmysqlclient versioning when linked with GNU ld.
if $LD --version 2>/dev/null| grep GNU >/dev/null 2>&1; then
  LD_VERSION_SCRIPT="-Wl,--version-script=\$(top_builddir)/libmysql/libmysql.ver"
  AC_CONFIG_FILES(libmysql/libmysql.ver)
fi
AC_SUBST(LD_VERSION_SCRIPT)


# Avoid bug in fcntl on some versions of linux
AC_MSG_CHECKING([if we should use 'skip-external-locking' as default for $target_os])
# Any variation of Linux
if expr "$target_os" : "[[Ll]]inux.*" > /dev/null
then
  MYSQLD_DEFAULT_SWITCHES="--skip-external-locking"
  TARGET_LINUX="true"
  AC_MSG_RESULT([yes])
  AC_DEFINE([TARGET_OS_LINUX], [1], [Whether we build for Linux])
else
  MYSQLD_DEFAULT_SWITCHES=""
  TARGET_LINUX="false"
  AC_MSG_RESULT([no])
fi
AC_SUBST(MYSQLD_DEFAULT_SWITCHES)
AC_SUBST(TARGET_LINUX)

dnl Find paths to some shell programs
AC_PATH_PROG(LN, ln, ln)
# This must be able to take a -f flag like normal unix ln.
AC_PATH_PROG(LN_CP_F, ln, ln)
case $SYSTEM_TYPE in
  *netware*) ;;
  *)
    # If ln -f does not exists use -s (AFS systems)
    if test -n "$LN_CP_F"; then
      LN_CP_F="$LN_CP_F -s"
    fi
    ;;
esac

AC_PATH_PROG(MV, mv, mv)
AC_PATH_PROG(RM, rm, rm)
AC_PATH_PROG(CP, cp, cp)
AC_PATH_PROG(SED, sed, sed)
AC_PATH_PROG(CMP, cmp, cmp)
AC_PATH_PROG(CHMOD, chmod, chmod)
AC_PATH_PROG(HOSTNAME, hostname, hostname)
AC_PATH_PROG(DIFF, diff, diff)
# Check for a GNU tar named 'gtar', or 'gnutar' (MacOS X) and
# fall back to 'tar' otherwise and hope that it's a GNU tar as well
AC_CHECK_PROGS(TAR, gnutar gtar tar)

dnl We use a path for perl so the script startup works
dnl We make sure to use perl, not perl5, in hopes that the RPMs will
dnl not depend on the perl5 binary being installed (probably a bug in RPM)
AC_PATH_PROG(PERL, perl, no)
if test "$PERL" != "no" && $PERL -e 'require 5' > /dev/null 2>&1
then
  PERL5=$PERL
else
  AC_PATH_PROG(PERL5, perl5, no)
  if test "$PERL5" != no
  then
    PERL=$PERL5
    ac_cv_path_PERL=$ac_cv_path_PERL5
  fi
fi

AC_SUBST(HOSTNAME)
AC_SUBST(PERL)
AC_SUBST(PERL5)

# Enable the abi_check rule only if gcc is available

if test "$GCC" != "yes" || expr "$CC" : ".*icc.*"
then
  ABI_CHECK=""
else
  ABI_CHECK="abi_check"
fi

AC_SUBST(ABI_CHECK)

# Look for PS usage.  We use double dollar-signs in FIND_PROC because this
# value is written to a makefile, which interprets away one level of
# dollar-signs.  So, interpretation stages are  m4 and then shell in autoconf,
# then Make, then shell.  The autoconf substitution uses single quotes, so 
# no unprotected single quotes should appear in the expression.
AC_PATH_PROG(PS, ps, ps)
AC_MSG_CHECKING("how to check if pid exists")
PS=$ac_cv_path_PS
# Linux style
if $PS wwwp $$ 2> /dev/null | grep -- "$0" > /dev/null
then
  FIND_PROC="$PS wwwp \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
# Solaris
elif $PS -fp $$ 2> /dev/null | grep -- $0 > /dev/null
then
  FIND_PROC="$PS -p \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
# BSD style
elif $PS -uaxww 2> /dev/null | grep -- $0 > /dev/null
then
  FIND_PROC="$PS -uaxww | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
# SysV style
elif $PS -ef 2> /dev/null | grep -- $0 > /dev/null
then
  FIND_PROC="$PS -ef | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
# Do anybody use this?
elif $PS $$ 2> /dev/null | grep -- $0 > /dev/null
then
  FIND_PROC="$PS \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
else
  case $SYSTEM_TYPE in
    *freebsd*|*dragonfly*)
      FIND_PROC="$PS p \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
      ;;
    *darwin*)
      FIND_PROC="$PS -uaxww | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
      ;;
    *cygwin*)
      FIND_PROC="$PS -e | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
      ;;
    *netware*)
      FIND_PROC=
      ;;
    *)
      AC_MSG_ERROR([Could not find the right ps and/or grep switches. Which OS is this?  See the Installation chapter in the Reference Manual.])
  esac
fi
AC_SUBST(FIND_PROC)
AC_MSG_RESULT("$FIND_PROC")

# Check if a pid is valid
AC_PATH_PROG(KILL, kill, kill)
AC_MSG_CHECKING("for kill switches")
if $ac_cv_path_KILL -0 $$
then
  CHECK_PID="$ac_cv_path_KILL -0 \$\$PID > /dev/null 2> /dev/null"
elif kill -s 0 $$
then
  CHECK_PID="$ac_cv_path_KILL -s 0 \$\$PID > /dev/null 2> /dev/null"
else
  AC_MSG_WARN([kill -0 to check for pid seems to fail])
    CHECK_PID="$ac_cv_path_KILL -s SIGCONT \$\$PID > /dev/null 2> /dev/null"
fi
AC_SUBST(CHECK_PID)
AC_MSG_RESULT("$CHECK_PID")

# We need an ANSI C compiler
AM_PROG_CC_STDC

# We need an assembler, too
AM_PROG_AS
CCASFLAGS="$CCASFLAGS $ASFLAGS"

# Check if we need noexec stack for assembler
AC_CHECK_NOEXECSTACK

if test "$am_cv_prog_cc_stdc" = "no"
then
  AC_MSG_ERROR([MySQL requires an ANSI C compiler (and a C++ compiler). Try gcc. See the Installation chapter in the Reference Manual.])
fi

NOINST_LDFLAGS="-static"

static_nss=""
STATIC_NSS_FLAGS=""
OTHER_LIBC_LIB=""
AC_ARG_WITH(other-libc,
 [  --with-other-libc=DIR   Link against libc and other standard libraries 
                          installed in the specified non-standard location 
                          overriding default. Originally added to be able to
                          link against glibc 2.2 without making the user 
                          upgrade the standard libc installation.],
 [
   other_libc_include="$withval/include"
   other_libc_lib="$withval/lib"
   with_other_libc="yes"
   enable_shared="no"
   all_is_static="yes"
   CFLAGS="$CFLAGS -I$other_libc_include"
   # There seems to be a feature in gcc that treats system and libc headers
   # silently when they violatate ANSI C++ standard, but it is strict otherwise
   # since gcc cannot now recognize that our headers are libc, we work around
   # by telling it to be permissive. Note that this option only works with
   # new versions of gcc (2.95.x and above)
   CXXFLAGS="$CXXFLAGS -fpermissive -I$other_libc_include"
   if test -f "$other_libc_lib/libnss_files.a"
   then
     # libc has been compiled with --enable-static-nss
     # we need special flags, but we will have to add those later
     STATIC_NSS_FLAGS="-lc -lnss_files -lnss_dns -lresolv"
     STATIC_NSS_FLAGS="$STATIC_NSS_FLAGS $STATIC_NSS_FLAGS"
     OTHER_LIBC_LIB="-static -L$other_libc_lib"
     static_nss=1
   else
     # this is a dirty hack. We if we detect static nss glibc in the special
     # location, we do not re-direct the linker to get libraries from there
     # during check. The reason is that if we did, we would have to find a
     # way to append the special static nss flags to LIBS every time we do
     # any check - this is definitely feasible, but not worthwhile the risk
     # of breaking other things. So for our purposes it would be sufficient
     # to assume that whoever is using static NSS knows what he is doing and
     # has sensible libraries in the regular location
     LDFLAGS="$LDFLAGS -static -L$other_libc_lib "
   fi
   
   # When linking against custom libc installed separately, we want to force
   # all binary builds to be static, including the build done by configure
   # itself to test for system features.
   with_mysqld_ldflags="-all-static"
   with_client_ldflags="-all-static"
   NOINST_LDFLAGS="-all-static"
 ],
 [
  other_libc_include=
  other_libc_lib=
  with_other_libc="no"
 ]
)
AC_SUBST(NOINST_LDFLAGS)

#
# Check if we are using Linux and a glibc compiled with static nss
# (this is true on the MySQL build machines to avoid NSS problems)
#
AC_CHECK_TOOL([NM], [nm]) 

if test "$TARGET_LINUX" = "true" -a "$static_nss" = ""
then
  tmp=`$NM ${other_libc_lib:-/usr/lib*}/libc.a | grep _nss_files_getaliasent_r1`
  if test -n "$tmp"
  then
     STATIC_NSS_FLAGS="-lc -lnss_files -lnss_dns -lresolv"
     STATIC_NSS_FLAGS="$STATIC_NSS_FLAGS $STATIC_NSS_FLAGS"
     static_nss=1
  fi
fi

AC_MSG_CHECKING(whether features provided by the user community should be included.)
AC_ARG_ENABLE(community-features,
    AC_HELP_STRING(
        [--disable-community-features], 
        [Disable additional features provided by the user community.]),
    [ ENABLE_COMMUNITY_FEATURES=$enableval ],
    [ ENABLE_COMMUNITY_FEATURES=yes ]
    )

if test "$ENABLE_COMMUNITY_FEATURES" = "yes"
then
  AC_DEFINE([COMMUNITY_SERVER], [1],
            [Whether features provided by the user community should be included])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

AC_ARG_WITH(server-suffix,
    [  --with-server-suffix    Append value to the version string.],
    [ MYSQL_SERVER_SUFFIX=`echo "$withval" | sed -e  's/^\(...................................\)..*$/\1/'` ],
    [ MYSQL_SERVER_SUFFIX= ]
    )
AC_SUBST(MYSQL_SERVER_SUFFIX)

# Set flags if we want to force to use pthreads
AC_ARG_WITH(pthread,
    [  --with-pthread          Force use of pthread library.],
    [ with_pthread=$withval ],
    [ with_pthread=no ]
    )

# Force use of thread libs LIBS
AC_ARG_WITH(named-thread-libs,
    [  --with-named-thread-libs=ARG
                          Use specified thread libraries instead of 
                          those automatically found by configure.],
    [ with_named_thread=$withval ],
    [ with_named_thread=no ]
    )

# Force use of a curses libs
AC_ARG_WITH(named-curses-libs,
    [  --with-named-curses-libs=ARG
                          Use specified curses libraries instead of 
                          those automatically found by configure.],
    [ with_named_curses=$withval ],
    [ with_named_curses=no ]
    )

# Make thread safe client
AC_ARG_ENABLE(thread-safe-client,
    [  --disable-thread-safe-client   
                          Compile the client without threads.],
    [ THREAD_SAFE_CLIENT=$enableval ],
    [ THREAD_SAFE_CLIENT=yes ]
    )

# compile with strings functions in assembler
AC_ARG_ENABLE(assembler,
    [  --enable-assembler      Use assembler versions of some string 
                          functions if available.],
    [ ENABLE_ASSEMBLER=$enableval ],
    [ ENABLE_ASSEMBLER=no ]
    )

AC_MSG_CHECKING(if we should use assembler functions)
# For now we only support assembler on i386 and sparc systems
AM_CONDITIONAL(ASSEMBLER_x86, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "i386" && $AS strings/strings-x86.s -o checkassembler >/dev/null 2>&1 && test -f checkassembler && (rm -f checkassembler; exit 0;))
AM_CONDITIONAL(ASSEMBLER_sparc32, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "sparc")
AM_CONDITIONAL(ASSEMBLER_sparc64, test "$ENABLE_ASSEMBLER" = "yes" -a "$BASE_MACHINE_TYPE" = "sparcv9")
AM_CONDITIONAL(ASSEMBLER, test "$ASSEMBLER_x86_TRUE" = "" -o "$ASSEMBLER_sparc32_TRUE" = "")

if test "$ASSEMBLER_TRUE" = ""
then
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

# Add query profiler
AC_MSG_CHECKING(if SHOW PROFILE should be enabled.)
AC_ARG_ENABLE(profiling,
    AS_HELP_STRING([--enable-profiling], [Build a version with query profiling code (req. community-features)]),
    [ ENABLED_PROFILING=$enableval ],
    [ ENABLED_PROFILING=$ENABLE_COMMUNITY_FEATURES ])

if test "$ENABLED_PROFILING" = "yes"
then
  if test "$ENABLE_COMMUNITY_FEATURES" = "yes";
  then
    AC_DEFINE([ENABLED_PROFILING], [1],
              [If SHOW PROFILE should be enabled])
    AC_MSG_RESULT([yes]) 
  else
    ENABLED_PROFILING="no"
    AC_MSG_RESULT([no, overridden by community-features disabled])
  fi
else
  AC_MSG_RESULT([no])
fi

# Use this to set the place used for unix socket used to local communication.
AC_ARG_WITH(unix-socket-path,
    [  --with-unix-socket-path=SOCKET
                          Where to put the unix-domain socket.  SOCKET must be 
                          an absolute file name.],
    [ MYSQL_UNIX_ADDR=$withval ],
    [ MYSQL_UNIX_ADDR=$MYSQL_UNIX_ADDR_DEFAULT ]
    )
AC_SUBST(MYSQL_UNIX_ADDR)

AC_ARG_WITH(tcp-port,
    [  --with-tcp-port=port-number
                          Which port to use for MySQL services (default 3306)],
    [ MYSQL_TCP_PORT=$withval ],
    [ MYSQL_TCP_PORT=$MYSQL_TCP_PORT_DEFAULT
      # if we actually defaulted (as opposed to the pathological case of
      # --with-tcp-port=<MYSQL_TCP_PORT_DEFAULT> which might in theory
      # happen if whole batch of servers was built from a script), set
      # the default to zero to indicate that; we don't lose information
      # that way, because 0 obviously indicates that we can get the
      # default value from MYSQL_TCP_PORT. this seems really evil, but
      # testing for MYSQL_TCP_PORT==MYSQL_TCP_PORT_DEFAULT would make a
      # a port of MYSQL_TCP_PORT_DEFAULT magic even if the builder did not
      # intend it to mean "use the default, in fact, look up a good default
      # from /etc/services if you can", but really, really meant 3306 when
      # they passed in 3306. When they pass in a specific value, let them
      # have it; don't second guess user and think we know better, this will
      # just make people cross.  this makes the the logic work like this
      # (which is complicated enough):
      #
      # - if a port was set during build, use that as a default.
      #
      # - otherwise, try to look up a port in /etc/services; if that fails,
      #   use MYSQL_TCP_PORT_DEFAULT (at the time of this writing 3306)
      #
      # - allow the MYSQL_TCP_PORT environment variable to override that.
      #
      # - allow command-line parameters to override all of the above.
      #
      # the top-most MYSQL_TCP_PORT_DEFAULT is read from win/configure.js,
      # so don't mess with that.
      MYSQL_TCP_PORT_DEFAULT=0 ]
    )
AC_SUBST(MYSQL_TCP_PORT)
# We might want to document the assigned port in the manual.
AC_SUBST(MYSQL_TCP_PORT_DEFAULT)

# Use this to set the place used for unix socket used to local communication.
AC_ARG_WITH(mysqld-user,
    [  --with-mysqld-user=username   
                          What user the mysqld daemon shall be run as.],
    [ MYSQLD_USER=$withval ],
    [ MYSQLD_USER=mysql ]
    )
AC_SUBST(MYSQLD_USER)

# If we should allow LOAD DATA LOCAL
AC_MSG_CHECKING(If we should should enable LOAD DATA LOCAL by default)
AC_ARG_ENABLE(local-infile,
    [  --enable-local-infile   Enable LOAD DATA LOCAL INFILE (default: disabled)],
    [ ENABLED_LOCAL_INFILE=$enableval ],
    [ ENABLED_LOCAL_INFILE=no ]
    )
if test "$ENABLED_LOCAL_INFILE" = "yes"
then
  AC_MSG_RESULT([yes])
  AC_DEFINE([ENABLED_LOCAL_INFILE], [1],
            [If LOAD DATA LOCAL INFILE should be enabled by default])
else
  AC_MSG_RESULT([no])
fi

# If we should allow init-file, skip-grant-table and bootstrap options
AC_MSG_CHECKING(If we should should enable init-file, skip-grant-table options and bootstrap)
AC_ARG_ENABLE(grant-options,
    [  --disable-grant-options Disables the use of --init-file, --skip-grant-tables and --bootstrap options],
    [ mysql_grant_options_enabled=$enableval ],
    [ mysql_grant_options_enabled=yes ]
    )
if test "$mysql_grant_options_enabled" = "yes"
then
  AC_MSG_RESULT([yes])
else
  AC_DEFINE([DISABLE_GRANT_OPTIONS], [1],
            [Disables the use of --init-file, --skip-grant-tables and --bootstrap options])
  AC_MSG_RESULT([no])
fi

MYSQL_SYS_LARGEFILE

# Types that must be checked AFTER large file support is checked
AC_TYPE_SIZE_T

#--------------------------------------------------------------------
# Check for system header files
#--------------------------------------------------------------------

AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h fenv.h float.h floatingpoint.h fpu_control.h \
 ieeefp.h limits.h memory.h pwd.h select.h \
 stdlib.h stddef.h \
 strings.h string.h synch.h sys/mman.h sys/socket.h netinet/in.h arpa/inet.h \
 sys/timeb.h sys/types.h sys/un.h sys/vadvise.h sys/wait.h term.h \
 unistd.h utime.h sys/utime.h termio.h termios.h sched.h crypt.h alloca.h \
 sys/ioctl.h malloc.h sys/malloc.h sys/ipc.h sys/shm.h linux/config.h \
 sys/prctl.h sys/resource.h sys/param.h port.h ieeefp.h \
 execinfo.h)

AC_CHECK_HEADERS([xfs/xfs.h])

#--------------------------------------------------------------------
# Check for system libraries. Adds the library to $LIBS
# and defines HAVE_LIBM etc
#--------------------------------------------------------------------

AC_CHECK_LIB(m, floor, [], AC_CHECK_LIB(m, __infinity))

AC_CHECK_LIB(nsl_r, gethostbyname_r, [],
  AC_CHECK_LIB(nsl, gethostbyname_r))
AC_CHECK_FUNC(gethostbyname_r)

AC_SEARCH_LIBS(setsockopt, socket)
# This may get things to compile even if bind-8 is installed
AC_SEARCH_LIBS(bind, bind)
# Check if crypt() exists in libc or libcrypt, sets LIBS if needed
AC_SEARCH_LIBS(crypt, crypt, AC_DEFINE(HAVE_CRYPT, 1, [crypt]))
# See if we need a library for address lookup.
AC_SEARCH_LIBS(inet_aton, [socket nsl resolv])

# For the sched_yield() function on Solaris
AC_SEARCH_LIBS(sched_yield, posix4, 
  AC_DEFINE(HAVE_SCHED_YIELD, 1, [sched_yield]))

MYSQL_CHECK_ZLIB_WITH_COMPRESS

# For large pages support
if test "$TARGET_LINUX" = "true"
then
  # For SHM_HUGETLB on Linux
  AC_CHECK_DECLS(SHM_HUGETLB, 
      AC_DEFINE([HAVE_LARGE_PAGES], [1], 
                [Define if you have large pages support])
      AC_DEFINE([HUGETLB_USE_PROC_MEMINFO], [1],
                [Define if /proc/meminfo shows the huge page size (Linux only)])
      , ,
      [
#include <sys/shm.h>
      ]
  )
fi

#--------------------------------------------------------------------
# Check for TCP wrapper support
#--------------------------------------------------------------------

AC_ARG_WITH(libwrap,
[  --with-libwrap[=DIR]      Compile in libwrap (tcp_wrappers) support],[
  case "$with_libwrap" in
  no) : ;;
  yes|*)
    _cppflags=${CPPFLAGS}
    _ldflags=${LDFLAGS}

    if test "$with_libwrap" != "yes"; then
      CPPFLAGS="${CPPFLAGS} -I$with_libwrap/include"
      LDFLAGS="${LDFLAGS} -L$with_libwrap/lib"
    fi

    _libs=${LIBS}
    AC_CHECK_HEADER(tcpd.h,
      LIBS="-lwrap $LIBS"
      AC_MSG_CHECKING(for TCP wrappers library -lwrap)
      AC_TRY_LINK([#include <tcpd.h>
int allow_severity = 0;
int deny_severity  = 0;

struct request_info *req;
],[hosts_access (req)],
        AC_MSG_RESULT(yes)
        AC_DEFINE([LIBWRAP], [1], [Define if you have -lwrap])
        AC_DEFINE([HAVE_LIBWRAP], [1], [Define if have -lwrap])
	if test "$with_libwrap" != "yes"; then
	    WRAPLIBS="-L${with_libwrap}/lib"
	fi
	WRAPLIBS="${WRAPLIBS} -lwrap",
        AC_MSG_RESULT(no)
        CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
      CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags})
    LDFLAGS=${_ldflags} LIBS=${_libs}
    ;;
  esac
])
AC_SUBST(WRAPLIBS)

# Check for gtty if termio.h doesn't exists
if test "$ac_cv_header_termio_h" = "no" -a "$ac_cv_header_termios_h" = "no"
then
  AC_SEARCH_LIBS(gtty, compat)
fi

# We make a special variable for non-threaded version of LIBS to avoid
# including thread libs into non-threaded version of MySQL client library.
# Later in this script LIBS will be augmented with a threads library.
NON_THREADED_LIBS="$LIBS"

AC_CHECK_TYPES([int8, uint8, int16, uint16, int32, uint32, int64, uint64,
                uchar, uint, ulong],[],[], [
#include <sys/types.h>
])
AC_CHECK_TYPES([in_addr_t], [], [], [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
])
AC_CHECK_TYPES([fp_except], [], [], [
#include <sys/types.h>
#include <ieeefp.h>
])

#
# Some system specific hacks
#

MAX_C_OPTIMIZE="-O3"
MAX_CXX_OPTIMIZE="-O3"

case $SYSTEM_TYPE in
  *solaris2.7*)
    # Solaris 2.7 has a broken /usr/include/widec.h
    # Make a fixed copy in ./include
    AC_MSG_WARN([Fixing broken include files for $SYSTEM_TYPE])
    echo "  - Creating local copy of widec.h"
    if test ! -d include
    then
      mkdir ./include
    fi
    builddir=`pwd`
    sed -e "s|^#if[ 	]*!defined(lint) && !defined(__lint)|#if !defined\(lint\) \&\& !defined\(__lint\) \&\& !defined\(getwc\)|" < /usr/include/widec.h > include/widec.h
    CFLAGS="$CFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
    CXXFLAGS="$CXXFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
    ;;
  *solaris2.8*)
    # Solaris 2.8 has a broken /usr/include/widec.h
    # Make a fixed copy in ./include
    AC_MSG_WARN([Fixing broken include files for $SYSTEM_TYPE])
    echo "  - Creating local copy of widec.h"
    if test ! -d include
    then
      mkdir ./include
    fi
    builddir=`pwd`
    sed -e "s|^#if[ 	]*!defined(__lint)|#if !defined\(__lint\) \&\& !defined\(getwc\)|" < /usr/include/widec.h > include/widec.h
    CFLAGS="$CFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
    CXXFLAGS="$CXXFLAGS -DHAVE_CURSES_H -I$builddir/include -DHAVE_RWLOCK_T"
    ;;
  *solaris2.5.1*)
    AC_MSG_WARN([Enabling getpass() workaround for Solaris 2.5.1])
    CFLAGS="$CFLAGS -DHAVE_BROKEN_GETPASS -DSOLARIS -DHAVE_RWLOCK_T";
    CXXFLAGS="$CXXFLAGS -DHAVE_RWLOCK_T -DSOLARIS"
    ;;
  *solaris*)
    CFLAGS="$CFLAGS -DHAVE_RWLOCK_T"
    CXXFLAGS="$CXXFLAGS -DHAVE_RWLOCK_T"
    ;;
  *SunOS*)
    AC_MSG_WARN([Enabling getpass() workaround for SunOS])
    CFLAGS="$CFLAGS -DHAVE_BROKEN_GETPASS -DSOLARIS";
    ;;
  *hpux10.20*)
    AC_MSG_WARN([Enabling workarounds for hpux 10.20])
    CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX10 -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT -DHAVE_POSIX1003_4a_MUTEX"
    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX10 -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT -DHAVE_POSIX1003_4a_MUTEX"
    if test "$with_named_thread" = "no"
    then 
      AC_MSG_WARN([Using --with-named-thread=-lpthread])
      with_named_thread="-lcma"
    fi
    ;;
  *hpux11.*)
    AC_MSG_WARN([Enabling workarounds for hpux 11])
    CFLAGS="$CFLAGS -DHPUX11  -DSNPRINTF_RETURN_TRUNC -DHAVE_BROKEN_PREAD -DHAVE_BROKEN_GETPASS -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
    CXXFLAGS="$CXXFLAGS -DHPUX11  -DSNPRINTF_RETURN_TRUNC -DHAVE_BROKEN_PREAD -D_INCLUDE_LONGLONG -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
    if test "$with_named_thread" = "no"
    then 
      AC_MSG_WARN([Using --with-named-thread=-lpthread])
      with_named_thread="-lpthread"
    fi
    # Fixes for HPUX 11.0 compiler
    if test "$ac_cv_prog_gcc" = "no"
    then
      CFLAGS="$CFLAGS -DHAVE_BROKEN_INLINE"
# set working flags first in line, letting override it (i. e. for debug):
      CXXFLAGS="+O2 $CXXFLAGS"
      MAX_C_OPTIMIZE=""
      MAX_CXX_OPTIMIZE=""
      ndb_cxxflags_fix="$ndb_cxxflags_fix -Aa"
    fi
    ;;
  *rhapsody*)
    if test "$ac_cv_prog_gcc" = "yes"
    then
      CPPFLAGS="$CPPFLAGS -traditional-cpp "
      CFLAGS="-DHAVE_CTHREADS_WRAPPER -DDO_NOT_REMOVE_THREAD_WRAPPERS"
      CXXFLAGS="-DHAVE_CTHREADS_WRAPPER"
      if test $with_named_curses = "no"
      then
	with_named_curses=""
      fi
    fi
    ;;
  *darwin5*)
    if test "$ac_cv_prog_gcc" = "yes"
    then
      FLAGS="-traditional-cpp -DHAVE_DARWIN5_THREADS -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DHAVE_BROKEN_REALPATH"
      CFLAGS="$CFLAGS $FLAGS"
      CXXFLAGS="$CXXFLAGS $FLAGS"
      MAX_C_OPTIMIZE="-O"
      with_named_curses=""
    fi
    ;;
  *darwin6*)
    if test "$ac_cv_prog_gcc" = "yes"
    then
      FLAGS="-D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DHAVE_BROKEN_REALPATH -DDONT_DECLARE_CXA_PURE_VIRTUAL "
      CFLAGS="$CFLAGS $FLAGS"
      CXXFLAGS="$CXXFLAGS $FLAGS"
      MAX_C_OPTIMIZE="-O"
    fi
    ;;
  *darwin*)
    if test "$ac_cv_prog_gcc" = "yes"
    then
      FLAGS="-D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DIGNORE_SIGHUP_SIGQUIT  -DDONT_DECLARE_CXA_PURE_VIRTUAL"
      CFLAGS="$CFLAGS $FLAGS"
      CXXFLAGS="$CXXFLAGS $FLAGS"
      MAX_C_OPTIMIZE="-O"
    fi
    ;;
  *freebsd*|*dragonfly*)
    AC_MSG_WARN([Adding fix for interrupted reads])
    OSVERSION=`sysctl -a | grep osreldate | awk '{ print $2 }'`
    if test "$OSVERSION" -gt "480100" && \
       test "$OSVERSION" -lt "500000" || \
       test "$OSVERSION" -gt "500109"
    then
       CXXFLAGS="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000"
    else
       CFLAGS="$CFLAGS -DHAVE_BROKEN_REALPATH"
       CXXFLAGS="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000 -DHAVE_BROKEN_REALPATH"
    fi
    ;;
  *netbsd*)
    AC_MSG_WARN([Adding flag -Dunix])
    CFLAGS="$CFLAGS -Dunix"
    CXXFLAGS="$CXXFLAGS -Dunix"
    OVERRIDE_MT_LD_ADD="\$(top_srcdir)/mit-pthreads/obj/libpthread.a"
    ;;
  *bsdi*)
    AC_MSG_WARN([Adding fix for BSDI])
    CFLAGS="$CFLAGS -D__BSD__ -DHAVE_BROKEN_REALPATH"
    AC_DEFINE_UNQUOTED([SOCKOPT_OPTLEN_TYPE], [size_t],
                       [Last argument to get/setsockopt])
    ;;
   *sgi-irix6*)
    if test "$with_named_thread" = "no"
    then 
      AC_MSG_WARN([Using --with-named-thread=-lpthread])
      with_named_thread="-lpthread"
    fi
    CXXFLAGS="$CXXFLAGS -D_BOOL"
    ;;
    *aix4.3*)
      AC_MSG_WARN([Adding defines for AIX])
      CFLAGS="$CFLAGS -Wa,-many -DUNDEF_HAVE_INITGROUPS -DSIGNALS_DONT_BREAK_READ"
      CXXFLAGS="$CXXFLAGS -Wa,-many -DUNDEF_HAVE_INITGROUPS -DSIGNALS_DONT_BREAK_READ"
    ;;
dnl Is this the right match for DEC OSF on alpha?
    *dec-osf*)
      if test "$ac_cv_prog_gcc" = "yes" && test "$host_cpu" = "alpha"
      then
	  AC_MSG_WARN([Adding defines for DEC OSF on alpha])
	  CFLAGS="$CFLAGS -mieee"
	  CXXFLAGS="$CXXFLAGS -mieee"
      fi
      AC_MSG_WARN([Adding defines for OSF1])
      # gethostbyname_r is deprecated and doesn't work ok on OSF1
      CFLAGS="$CFLAGS -DUNDEF_HAVE_GETHOSTBYNAME_R -DSNPRINTF_RETURN_TRUNC"
      CXXFLAGS="$CXXFLAGS -DUNDEF_HAVE_GETHOSTBYNAME_R -DSNPRINTF_RETURN_TRUNC"
      # fix to handle include of <stdint.h> correctly on OSF1 with cxx compiler
      CXXFLAGS="$CXXFLAGS -I/usr/include/cxx -I/usr/include/cxx_cname -I/usr/include -I/usr/include.dtk"
    ;;
  *netware*)
    # No need for curses library so set it to null
    with_named_curses=""

    # No thread library - in LibC
    with_named_thread=""
    
    #
    # Edit Makefile.in files.
    #
    echo -n "configuring Makefile.in files for NetWare... "
    for file in sql/Makefile.in extra/Makefile.in client/Makefile.in
    do
    # echo "#### $file ####"
      filedir="`dirname $file`"
      filebase="`basename $file`"
      filesed=$filedir/$filebase.sed
      #
      # Backup and always use original file
      #
      if test -f $file.bk
      then
        cp -fp $file.bk $file
      else
        cp -fp $file $file.bk
      fi
      case $file in
        sql/Makefile.in)
          # Use gen_lex_hash.linux instead of gen_lex_hash
          # Add library dependencies to mysqld_DEPENDENCIES
          lib_DEPENDENCIES="\$(openssl_libs) \$(yassl_libs)"
          cat > $filesed << EOF
s,\(\./gen_lex_hash\)\$(EXEEXT),\1.linux,
s%\(mysqld_DEPENDENCIES = \)%\1$lib_DEPENDENCIES %
EOF
          ;;
        extra/Makefile.in)
          cat > $filesed << EOF
s,\(extra/comp_err\)\$(EXEEXT),\1.linux,
EOF
          ;;
        libmysql/Makefile.in)
          cat > $filesed << EOF
s,libyassl.la,.libs/libyassl.a,
s,libtaocrypt.la,.libs/libtaocrypt.a,
EOF
          ;;
        libmysql_r/Makefile.in)
          cat > $filesed << EOF
s,libyassl.la,.libs/libyassl.a,
s,libtaocrypt.la,.libs/libtaocrypt.a,
EOF
          ;;
        client/Makefile.in)
          #
          cat > $filesed << EOF
s,libmysqlclient.la,.libs/libmysqlclient.a,
EOF
          ;;
      esac
      if `sed -f $filesed $file > $file.nw`;\
      then
        mv -f $file.nw $file
        rm -f $filesed
      else
        exit 1
      fi
      # wait for file system changes to complete
      sleep 1
    done
    echo "done"

    #
    # Make sure the following files are writable.
    #
    # When the files are retrieved from some source code control systems they are read-only.
    #
    echo -n "making sure specific build files are writable... "
    for file in \
        Docs/manual.chm \
        Docs/mysql.info \
        Docs/INSTALL-BINARY \
        INSTALL-SOURCE \
        COPYING
    do
      if test -e $file; then
        chmod +w $file
      fi
    done
    echo "done"

    ;;
esac


#---START: Used in for client configure
# Check if we threads are in libc or if we should use
# -lpthread, -lpthreads or mit-pthreads
# We have to check libc last because else it fails on Solaris 2.6

with_posix_threads="no"
# Search thread lib on Linux
if test "$with_named_thread" = "no"
then
    AC_MSG_CHECKING("Linux threads")
    if test "$TARGET_LINUX" = "true"
    then
        AC_MSG_RESULT("starting")
        # use getconf to check glibc contents
        AC_MSG_CHECKING("getconf GNU_LIBPTHREAD_VERSION")
        case `getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` in
        NPTL* )
                AC_MSG_RESULT("NPTL")
                AC_DEFINE([HAVE_NPTL], [1], [NPTL threads implementation])
                with_named_thread="-lpthread"
                ;;
        LINUXTHREADS* )
                AC_MSG_RESULT("Linuxthreads")
                AC_DEFINE([HAVE_LINUXTHREADS], [1], 
                      [Whether we are using Xavier Leroy's LinuxThreads])
                with_named_thread="-lpthread"
                ;;
        * )
                AC_MSG_RESULT("unknown")
                ;;
        esac
        if test "$with_named_thread" = "no"
        then
          # old method, check headers
          # Look for LinuxThreads.
          AC_MSG_CHECKING("LinuxThreads in header file comment")
          res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
          if test "$res" -gt 0
          then
            AC_MSG_RESULT("Found")
            AC_DEFINE([HAVE_LINUXTHREADS], [1],
                  [Whether we are using Xavier Leroy's LinuxThreads])
            # Linux 2.0 sanity check
            AC_TRY_COMPILE([#include <sched.h>], [int a = sched_get_priority_min(1);], ,
                  AC_MSG_ERROR([Syntax error in sched.h. Change _P to __P in the /usr/include/sched.h file. See the Installation chapter in the Reference Manual]))
            # RedHat 5.0 does not work with dynamic linking of this. -static also
            # gives a speed increase in linux so it does not hurt on other systems.
            with_named_thread="-lpthread"
          else
            AC_MSG_RESULT("Not found")
            # If this is a linux machine we should barf
            AC_MSG_ERROR([This is a Linux system without a working getconf, 
and Linuxthreads was not found. Please install it (or a new glibc) and try again.  
See the Installation chapter in the Reference Manual for more information.])
          fi
        else
            AC_MSG_RESULT("no need to check headers")
        fi
        
        AC_MSG_CHECKING("for pthread_create in -lpthread")
        ac_save_LIBS="$LIBS"
        LIBS="$LIBS -lpthread"
        AC_TRY_LINK( [#include <pthread.h>],
              [ (void) pthread_create((pthread_t*) 0,(pthread_attr_t*) 0, 0, 0); ],
              AC_MSG_RESULT("yes"),
              [ AC_MSG_RESULT("no")
                AC_MSG_ERROR([
This is a Linux system claiming to support threads, either Linuxthreads or NPTL, but linking a test program failed.  
Please install one of these (or a new glibc) and try again.  
See the Installation chapter in the Reference Manual for more information.]) ]
              )
        LIBS="$ac_save_LIBS"
    else
        AC_MSG_RESULT("no")
    fi  # "$TARGET_LINUX" 
fi  # "$with_named_thread" = "no" -a "$with_mit_threads" = "no"


# Hack for DEC-UNIX (OSF1 -> Tru64)
if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"
then
    AC_MSG_CHECKING("DEC threads post OSF/1 3.2")
    if test -f /usr/shlib/libpthread.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a
    then
      with_named_thread="-lpthread -lmach -lexc"
      CFLAGS="$CFLAGS -D_REENTRANT"
      CXXFLAGS="$CXXFLAGS -D_REENTRANT"
      AC_DEFINE(HAVE_DEC_THREADS, [1], [Whether we are using DEC threads])
      AC_MSG_RESULT("yes")
    else
      AC_MSG_RESULT("no")
    fi  # DEC threads
fi  # "$with_named_thread" = "no" -a "$with_mit_threads" = "no"


dnl This is needed because -lsocket has to come after the thread
dnl library on SCO.
AC_DEFUN([MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK], [
  LIBS=`echo " $LIBS " | sed -e 's/ -lsocket / /g'`
])
# Hack for SCO UNIX
if test "$with_named_thread" = "no"
then
  AC_MSG_CHECKING("SCO threads")
  if expr "$SYSTEM_TYPE" : ".*sco.*" > /dev/null
  then
    if test -f /usr/lib/libgthreads.a -o -f /usr/lib/libgthreads.so
    then
      MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK
      with_named_thread="-lgthreads -lsocket -lgthreads"
      # sched.h conflicts with fsu-threads
      touch ./include/sched.h
      touch ./include/semaphore.h

      # We must have gcc
      if expr "$CC" : ".*gcc.*"
      then
	AC_MSG_RESULT("yes")
      else
	AC_MSG_ERROR([On SCO UNIX MySQL must be compiled with gcc. See the Installation chapter in the Reference Manual.])
      fi
      AC_MSG_RESULT("yes")
    elif test -f /usr/local/lib/libpthread.a -o -f /usr/local/lib/libpthread.so
    then
      MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK
      with_named_thread="-lpthread -lsocket"
      # sched.h conflicts with fsu-threads
      # touch ./include/sched.h

      AC_MSG_CHECKING("for gcc")
      # We must have gcc
      if expr "$CC" : ".*gcc.*"
      then
	AC_MSG_RESULT("yes")
      else
	AC_MSG_ERROR([On SCO UNIX MySQL must be compiled with gcc. See the Installation chapter in the Reference Manual.])
      fi
      AC_MSG_RESULT("yes")
    # Hack for SCO UnixWare 7.1.x
    #
    elif test "$with_named_thread" = "no"
    then
      AC_MSG_RESULT("no")
      AC_MSG_CHECKING("SCO UnixWare 7.1.x native threads")
      if expr "$SYSTEM_TYPE" : ".*sco.*" > /dev/null
      then
        if test -f /usr/lib/libthread.so -o -f /usr/lib/libthreadT.so
        then
	  MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK
          if expr "$CC" : ".*gcc.*"
          then
            with_named_thread="-pthread -lsocket -lnsl"
          else
            with_named_thread="-Kthread -lsocket -lnsl"
          fi
          if expr "$SYSTEM_TYPE" : ".*unixware7.0.0" > /dev/null
          then
            AC_DEFINE(HAVE_UNIXWARE7_THREADS, [1])
          fi
          AC_MSG_RESULT("yes")
          # We must have cc
          AC_MSG_CHECKING("for gcc")
          if expr "$CC" : ".*gcc.*"
          then
	    CC="$CC -pthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK"
	    CXX="$CXX -pthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK"
          else
	    CC="$CC -Kthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK"
	    CXX="$CXX -Kthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK"
          fi
        else
          AC_MSG_ERROR([configure: error: Can't find thread libs on SCO UnixWare7. See the Installation chapter in the Reference Manual.]) 
        fi
      else
        AC_MSG_RESULT("no")
      fi
    else
      AC_MSG_ERROR([On SCO UNIX MySQL requires that the FSUThreads package is installed. See the Installation chapter in the Reference Manual.])
    fi
  else
    AC_MSG_RESULT("no")
  fi
fi

#
# Check for SCO threading libraries
#
if test "$with_named_thread" = "no"
then
  AC_MSG_CHECKING([SCO OpenServer 6, UnixWare 7 or OpenUNIX 8 native threads])
  if expr "$SYSTEM_TYPE" : ".*UnixWare.*" > /dev/null || \
     expr "$SYSTEM_TYPE" : ".*SCO_SV6.*" > /dev/null || \
     expr "$SYSTEM_TYPE" : ".*OpenUNIX.*" > /dev/null
  then
    if test -f /usr/lib/libthread.so -o -f /usr/lib/libthreadT.so
    then
      MYSQL_REMOVE_SOCKET_FROM_LIBS_HACK
      if expr "$CC" : ".*gcc.*" > /dev/null
      then
        with_named_thread="-pthread -lsocket -lnsl"
	CC="$CC -pthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK";
	CXX="$CXX -pthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK";
      else
        with_named_thread="-Kthread -lsocket -lnsl"
	CC="$CC -Kthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK";
	CXX="$CXX -Kthread -DUNIXWARE_7 -DHAVE_BROKEN_RWLOCK";
      fi
      if expr "$SYSTEM_TYPE" : ".*unixware7.0.0" > /dev/null
      then
        AC_DEFINE(HAVE_UNIXWARE7_THREADS, [1], [Have UnixWare 7 (or similar) almost-POSIX threading library])
      fi
      AC_MSG_RESULT(yes)
    else
      AC_MSG_ERROR([configure: error: Can't find thread library on SCO/Caldera system. See the Installation chapter in the Reference Manual.]) 
    fi
  else
    AC_MSG_RESULT(no)
  fi
fi

# Hack for Siemens UNIX
if test "$with_named_thread" = "no"
then
  AC_MSG_CHECKING("Siemens threads")
  if test -f /usr/lib/libxnet.so -a "$SYSTEM_TYPE" = "sni-sysv4"
  then
    LIBS="-lxnet $LIBS"
    NON_THREADED_LIBS="-lxnet $NON_THREADED_LIBS"
    with_named_thread="-Kthread $LDFLAGS -lxnet"
    LD_FLAGS=""
    CFLAGS="-Kthread $CFLAGS"
    CXXFLAGS="-Kthread $CXXFLAGS"
    AC_MSG_RESULT("yes")
  else
    AC_MSG_RESULT("no")
  fi
fi

# Use library named -lpthread
if test "$with_named_thread" = "no" -a "$with_pthread" = "yes"
then
    with_named_thread="-lpthread"
fi

#---END:

# Hack for Solaris >= 2.5
# We want both the new and the old interface
 
if test "$with_named_thread" = "no"
then
  AC_MSG_CHECKING("Solaris threads")
  if test -f /usr/lib/libpthread.so -a -f /usr/lib/libthread.so
  then
    with_named_thread="-lpthread -lthread"
    AC_MSG_RESULT("yes")
  else
    AC_MSG_RESULT("no")
  fi
fi

# Should we use named pthread library ?
AC_MSG_CHECKING("named thread libs:")
if test "$with_named_thread" != "no"
then
  LIBS="$with_named_thread $LIBS $with_named_thread"
  CLIENT_THREAD_LIBS="$with_named_thread"
  with_posix_threads="yes"
  AC_MSG_RESULT("$with_named_thread")
else
  AC_MSG_RESULT("no")
  # pthread_create is in standard libraries (As in BSDI 3.0)
  AC_MSG_CHECKING("for pthread_create in -libc");
  AC_TRY_LINK(
  [#include <pthread.h>],
  [ (void) pthread_create((pthread_t*) 0,(pthread_attr_t*) 0, 0, 0); ],
  with_posix_threads=yes, with_posix_threads=no)
  AC_MSG_RESULT("$with_posix_threads")
  if test "$with_posix_threads" = "no"
  then
    AC_MSG_CHECKING("for pthread_create in -lpthread")
    ac_save_LIBS="$LIBS"
    LIBS="$LIBS -lpthread"
    CLIENT_THREAD_LIBS="-lpthread"
    AC_TRY_LINK(
    [#include <pthread.h>],
    [ (void) pthread_create((pthread_t*) 0,(pthread_attr_t*) 0, 0, 0); ],
    with_posix_threads=yes, with_posix_threads=no)
    AC_MSG_RESULT("$with_posix_threads")
    if test "$with_posix_threads" = "no"
    then
      LIBS=" $ac_save_LIBS -lpthreads"
      CLIENT_THREAD_LIBS="-lpthreads"
      AC_MSG_CHECKING("for pthread_create in -lpthreads")
      AC_TRY_LINK(
      [#include <pthread.h>],
      [ pthread_create((pthread_t*) 0,(pthread_attr_t*) 0, 0, 0); ],
      with_posix_threads=yes, with_posix_threads=no)
      AC_MSG_RESULT("$with_posix_threads")
      if test "$with_posix_threads" = "no"
      then
        # This is for FreeBSD
        LIBS="$ac_save_LIBS -pthread"
        CLIENT_THREAD_LIBS="-pthread"
        AC_MSG_CHECKING("for pthread_create in -pthread")
        AC_TRY_LINK(
        [#include <pthread.h>],
        [ pthread_create((pthread_t*) 0,(pthread_attr_t*) 0, 0, 0); ],
        with_posix_threads=yes, with_posix_threads=no)
        AC_MSG_RESULT("$with_posix_threads")
      fi
    fi
  fi
fi

#---START: Used in for client configure
# Must be checked after, because strtok_r may be in -lpthread
# On AIX strtok_r is in libc_r

my_save_LIBS="$LIBS"
AC_CHECK_LIB(pthread,strtok_r)
LIBS="$my_save_LIBS"
if test "$ac_cv_lib_pthread_strtok_r" = "no"
then
  AC_CHECK_LIB(c_r,strtok_r)
  case "$with_osf32_threads---$target_os" in
    # Don't keep -lc_r in LIBS; -pthread handles it magically
    yes---* | *---freebsd* | *---hpux*) LIBS="$my_save_LIBS" ;;

  esac
  AC_CHECK_FUNCS(strtok_r pthread_init)
else
  AC_CHECK_FUNCS(strtok_r)
fi
#---END:

# dlopen, dlerror
case "$with_mysqld_ldflags " in

  *"-all-static "*)
    # No need to check for dlopen when mysqld is linked with
    # -all-static as it won't be able to load any functions.
    # NOTE! It would be better if it was possible to test if dlopen
    # can be used, but a good way to test it couldn't be found

    ;;

  *)
    # Check for dlopen, needed for user definable functions
    # This must be checked after threads on AIX
    # We only need this for mysqld, not for the clients.

    my_save_LIBS="$LIBS"
    LIBS=""
    AC_CHECK_LIB(dl,dlopen)
    LIBDL=$LIBS
    LIBS="$my_save_LIBS"
    AC_SUBST(LIBDL)

    my_save_LIBS="$LIBS"
    LIBS="$LIBS $LIBDL"
    AC_CHECK_FUNCS(dlopen dlerror)
    LIBS="$my_save_LIBS"

    ;;
esac


# System characteristics
case $SYSTEM_TYPE in
  *netware*) ;;
  *)
AC_SYS_RESTARTABLE_SYSCALLS
    ;;
esac

# Build optimized or debug version ?
# First check for gcc and g++
if test "$GCC" = "yes"
then
  DEBUG_CFLAGS="-g"
  DEBUG_OPTIMIZE_CC="-O"
  OPTIMIZE_CFLAGS="$MAX_C_OPTIMIZE"
else
  DEBUG_CFLAGS="-g"
  DEBUG_OPTIMIZE_CC=""
  case $SYSTEM_TYPE in                               
    *solaris*)
      OPTIMIZE_CFLAGS="-O1"
      ;;
    *)
      OPTIMIZE_CFLAGS="-O"
      ;;
  esac
fi
if test "$GXX" = "yes"
then
  DEBUG_CXXFLAGS="-g"
  DEBUG_OPTIMIZE_CXX="-O"
  OPTIMIZE_CXXFLAGS="$MAX_CXX_OPTIMIZE"
else
  DEBUG_OPTIMIZE_CXX=""
  case $SYSTEM_TYPE in
    *solaris*)
      DEBUG_CXXFLAGS="-g0"
      OPTIMIZE_CXXFLAGS="-O1"
      ;;
    *)
      DEBUG_CXXFLAGS="-g"
      OPTIMIZE_CXXFLAGS="-O"
      ;;
  esac
fi

case $SYSTEM_TYPE in
  *netware*)
    DEBUG_CFLAGS="-g -DDEBUG -sym internal,codeview4"
    DEBUG_CXXFLAGS="-g -DDEBUG -sym internal,codeview4"
    DEBUG_OPTIMIZE_CC="-DDEBUG"
    DEBUG_OPTIMIZE_CXX="-DDEBUG"
    OPTIMIZE_CFLAGS="-O3 -DNDEBUG"
    OPTIMIZE_CXXFLAGS="-O3 -DNDEBUG"
    ;;
esac

# If the user specified CFLAGS, we won't add any optimizations
if test -n "$SAVE_CFLAGS"
then
  OPTIMIZE_CFLAGS=""
  DEBUG_OPTIMIZE_CC=""
fi
# Ditto for CXXFLAGS
if test -n "$SAVE_CXXFLAGS"
then
  OPTIMIZE_CXXFLAGS=""
  DEBUG_OPTIMIZE_CXX=""
fi

if test "$with_debug" = "yes"
then
  # Medium debug.
  AC_DEFINE([DBUG_ON], [1], [Use libdbug])
  CFLAGS="$DEBUG_CFLAGS $DEBUG_OPTIMIZE_CC -DSAFE_MUTEX $CFLAGS"
  CXXFLAGS="$DEBUG_CXXFLAGS $DEBUG_OPTIMIZE_CXX -DSAFE_MUTEX $CXXFLAGS"
elif test "$with_debug" = "full"
then
  # Full debug. Very slow in some cases
  AC_DEFINE([DBUG_ON], [1], [Use libdbug])
  CFLAGS="$DEBUG_CFLAGS -DSAFE_MUTEX -DSAFEMALLOC $CFLAGS"
  CXXFLAGS="$DEBUG_CXXFLAGS -DSAFE_MUTEX -DSAFEMALLOC $CXXFLAGS"
else
  # Optimized version. No debug
  AC_DEFINE([DBUG_OFF], [1], [Don't use libdbug])
  CFLAGS="$OPTIMIZE_CFLAGS $CFLAGS"
  CXXFLAGS="$OPTIMIZE_CXXFLAGS $CXXFLAGS"
fi

AC_ARG_WITH([valgrind],
  [AS_HELP_STRING([--with-valgrind],
    [Valgrind instrumentation @<:@default=no@:>@])],
    [], [with_valgrind=no])

if test "$with_valgrind" != "no"
then
  AC_CHECK_HEADERS([valgrind/valgrind.h valgrind/memcheck.h],
    [AC_DEFINE([HAVE_VALGRIND], [1], [Define for Valgrind support])])
fi

# Debug Sync Facility. NOTE: depends on 'with_debug'. Must be behind it.
AC_MSG_CHECKING(if Debug Sync Facility should be enabled.)
AC_ARG_ENABLE(debug_sync,
              AS_HELP_STRING([--enable-debug-sync],
                             [Build a version with Debug Sync Facility]),
              [ enable_debug_sync=$enableval ],
              [ enable_debug_sync=$with_debug ])

if test "$enable_debug_sync" != "no"
then
  AC_DEFINE([ENABLED_DEBUG_SYNC], [1],
            [If Debug Sync Facility should be enabled])
  AC_MSG_RESULT([yes]) 
else
  AC_MSG_RESULT([no])
fi

# If we should allow error injection tests
AC_ARG_WITH(error-inject,
    AC_HELP_STRING([--with-error-inject],[Enable error injection in MySQL Server]),
    [ with_error_inject=$withval ],
    [ with_error_inject=no ])

if test $with_debug != "no"
then
  if test "$with_error_inject" = "yes"
  then
    AC_DEFINE([ERROR_INJECT_SUPPORT], [1],
              [Enable error injection in MySQL Server])
  fi
fi

AC_ARG_WITH([fast-mutexes],
	    AC_HELP_STRING([--with-fast-mutexes], 
	    [Compile with fast mutexes (default is disabled)]),
	    [with_fast_mutexes=$withval], [with_fast_mutexes=no])

if test "$with_fast_mutexes" != "no"
then
  if test "$with_debug" != "no"
  then
    AC_MSG_WARN(['--with-fast-mutexes' ignored when '--with-debug' is given])
  else
    AC_DEFINE([MY_PTHREAD_FASTMUTEX], [1], 
	      [Define to 1 if you want to use fast mutexes])
  fi
fi

AC_ARG_WITH([atomic-ops],
	    AC_HELP_STRING([--with-atomic-ops=rwlocks|smp|up],
	    [Implement atomic operations using pthread rwlocks or atomic CPU
             instructions for multi-processor (default) or uniprocessor
             configuration]), , [with_atomic_ops=smp])
case "$with_atomic_ops" in
  "up") AC_DEFINE([MY_ATOMIC_MODE_DUMMY], [1],
                  [Assume single-CPU mode, no concurrency]) ;;
  "rwlocks") AC_DEFINE([MY_ATOMIC_MODE_RWLOCKS], [1],
                  [Use pthread rwlocks for atomic ops]) ;;
  "smp") ;;
   *) AC_MSG_ERROR(["$with_atomic_ops" is not a valid value for --with-atomic-ops]) ;;
esac

AC_CACHE_CHECK([whether the compiler provides atomic builtins],
               [mysql_cv_gcc_atomic_builtins], [AC_TRY_RUN([
  int main()
  {
    int foo= -10; int bar= 10;
    if (!__sync_fetch_and_add(&foo, bar) || foo)
      return -1;
    bar= __sync_lock_test_and_set(&foo, bar);
    if (bar || foo != 10)
      return -1;
    bar= __sync_val_compare_and_swap(&bar, foo, 15);
    if (bar)
      return -1;
    return 0;
  }
], [mysql_cv_gcc_atomic_builtins=yes],
   [mysql_cv_gcc_atomic_builtins=no],
   [mysql_cv_gcc_atomic_builtins=no])])

if test "x$mysql_cv_gcc_atomic_builtins" = xyes; then
  AC_DEFINE(HAVE_GCC_ATOMIC_BUILTINS, 1,
            [Define to 1 if compiler provides atomic builtins.])
fi

# Force static compilation to avoid linking problems/get more speed
AC_ARG_WITH(mysqld-ldflags,
    [  --with-mysqld-ldflags   Extra linking arguments for mysqld],
    [MYSQLD_EXTRA_LDFLAGS=$withval],
    [MYSQLD_EXTRA_LDFLAGS=])
AC_SUBST(MYSQLD_EXTRA_LDFLAGS)

AC_ARG_WITH(client-ldflags,
    [  --with-client-ldflags   Extra linking arguments for clients],
    [CLIENT_EXTRA_LDFLAGS=$withval],
    [CLIENT_EXTRA_LDFLAGS=])
AC_SUBST(CLIENT_EXTRA_LDFLAGS)

AC_ARG_WITH(mysqld-libs,
    [  --with-mysqld-libs   Extra libraries to link with for mysqld],
    [MYSQLD_EXTRA_LIBS=$withval],
    [MYSQLD_EXTRA_LIBS=])
AC_SUBST(MYSQLD_EXTRA_LIBS)

AC_ARG_WITH(lib-ccflags,
    [  --with-lib-ccflags      Extra CC options for libraries],
    [LIB_EXTRA_CCFLAGS=$withval],
    [LIB_EXTRA_CCFLAGS=])
AC_SUBST(LIB_EXTRA_CCFLAGS)

# Avoid stupid bug on some OS 
AC_ARG_WITH(low-memory,
    [  --with-low-memory       Try to use less memory to compile to avoid 
                          memory limitations.],
    [with_lowmem=$withval],
    [with_lowmem=no])
if test "$with_lowmem" = "yes"
then
  if test "$ac_cv_prog_gcc" = "yes" 
  then 
    LM_CFLAGS="-fno-inline"
  else
    LM_CFLAGS="-O0"
  fi
else
  LM_CFLAGS=""
fi
AC_SUBST(LM_CFLAGS)

AC_ARG_WITH(comment,
    [  --with-comment          Comment about compilation environment.],
    [with_comment=$withval],
    [with_comment=no])
if test "$with_comment" != "no"
then
  COMPILATION_COMMENT=$with_comment
else
  COMPILATION_COMMENT="Source distribution"
fi
AC_SUBST(COMPILATION_COMMENT)

AC_MSG_CHECKING("need of special linking flags")
if test "$TARGET_LINUX" = "true" -a "$ac_cv_prog_gcc" = "yes" -a "$all_is_static" != "yes"
then
  LDFLAGS="$LDFLAGS -rdynamic"
  AC_MSG_RESULT("-rdynamic")
else
  case "$SYSTEM_TYPE$with_mysqld_ldflags " in
  *freebsd*"-all-static "*|*dragonfly*"-all-static "*)
    AC_MSG_RESULT("none")
    ;;
  *freebsd*|*dragonfly*)
    MYSQLD_EXTRA_LDFLAGS="$MYSQLD_EXTRA_LDFLAGS -export-dynamic"
    AC_MSG_RESULT("-export-dynamic")
    ;;
  *)
    AC_MSG_RESULT("none")
    ;;
  esac
fi

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_OFF_T
AC_STRUCT_ST_RDEV
AC_HEADER_TIME
AC_STRUCT_TM
MYSQL_NEEDS_MYSYS_NEW
# AC_CHECK_SIZEOF return 0 when it does not find the size of a
# type. We want a error instead.
AC_CHECK_SIZEOF(char, 1)
if test "$ac_cv_sizeof_char" -eq 0
then
  AC_MSG_ERROR([No size for char type.
A likely cause for this could be that there isn't any
static libraries installed. You can verify this by checking if you have libm.a
in /lib, /usr/lib or some other standard place.  If this is the problem,
install the static libraries and try again.  If this isn't the problem,
examine config.log for possible errors.  If you want to report this, use
'scripts/mysqlbug' and include at least the last 20 rows from config.log!])
fi
AC_CHECK_SIZEOF(char*, 4)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
if test "$ac_cv_sizeof_int" -eq 0
then
  AC_MSG_ERROR("No size for int type.")
fi
AC_CHECK_SIZEOF(long, 4)
if test "$ac_cv_sizeof_long" -eq 0
then
  AC_MSG_ERROR("No size for long type.")
fi
AC_CHECK_SIZEOF(long long, 8)
if test "$ac_cv_sizeof_long_long" -eq 0
then
  AC_MSG_ERROR("MySQL needs a long long type.")
fi
# off_t is not a builtin type
AC_CHECK_SIZEOF(off_t, 4)
if test "$ac_cv_sizeof_off_t" -eq 0
then
  AC_MSG_ERROR("MySQL needs a off_t type.")
fi

dnl
dnl check if time_t is unsigned
dnl

MYSQL_CHECK_TIME_T

dnl
dnl check size of time_t
dnl

AC_CHECK_SIZEOF(time_t, 8)
if test "$ac_cv_sizeof_time_t" -eq 0
then
  AC_MSG_ERROR("MySQL needs a time_t type.")
fi

# do we need #pragma interface/#pragma implementation ?
# yes if it's gcc 2.x, and not icc pretending to be gcc, and not cygwin
AC_MSG_CHECKING(the need for @%:@pragma interface/implementation)
# instead of trying to match SYSTEM_TYPE and CC_VERSION (that doesn't
# follow any standard), we'll use well-defined preprocessor macros:
AC_TRY_CPP([
#if !defined(__CYGWIN__) && !defined(__INTEL_COMPILER) && defined(__GNUC__) && (__GNUC__ < 3)
#error USE_PRAGMA_IMPLEMENTATION
#endif
],AC_MSG_RESULT(no) ,AC_MSG_RESULT(yes) ; CXXFLAGS="$CXXFLAGS -DUSE_PRAGMA_IMPLEMENTATION")

# This always gives a warning. Ignore it unless you are cross compiling
AC_C_BIGENDIAN
#---START: Used in for client configure
# Check base type of last arg to accept
MYSQL_TYPE_ACCEPT
#---END:
# Figure out what type of struct rlimit to use with setrlimit
MYSQL_TYPE_STRUCT_RLIMIT
# Find where the stack goes
MYSQL_STACK_DIRECTION
# We want to skip alloca on irix unconditionally. It may work on some version..
MYSQL_FUNC_ALLOCA
# Do struct timespec have members tv_sec or ts_sec
MYSQL_TIMESPEC_TS
# Do we have the tzname variable
MYSQL_TZNAME
# Do the c++ compiler have a bool type
MYSQL_CXX_BOOL
# Check some common bugs with gcc 2.8.# on sparc
case $SYSTEM_TYPE in
  *netware*) ;;
  *)
    MYSQL_CHECK_LONGLONG_TO_FLOAT
    if test "$ac_cv_conv_longlong_to_float" != "yes"
    then
      AC_MSG_ERROR([Your compiler cannot convert a longlong value to a float!
 If you are using gcc 2.8.# you should upgrade to egcs 1.0.3 or newer and try
    again])
    fi
    ;;
esac
AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
AC_CHECK_TYPES([u_int32_t])

MYSQL_PTHREAD_YIELD

######################################################################
# For readline/libedit (We simply move the mimimum amount of stuff from
# the readline/libedit configure.in here)

dnl Checks for header files.
AC_CHECK_HEADERS(malloc.h sys/cdefs.h)

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(re_comp regcomp strdup)

dnl Sun compilers have their own vis.h that is about something
dnl totally different. So, not to change the libedit source, we
dnl do some additional checks before we define HAVE_VIS_H.
AC_CHECK_HEADER(vis.h,
  [AC_CHECK_FUNC(strvis,
    [AC_DEFINE([HAVE_VIS_H], [1],[Found vis.h and the strvis() function])])])

AC_CHECK_FUNCS(strlcat strlcpy)
AC_CHECK_FUNCS(issetugid getuid geteuid getgid getegid)
AC_CHECK_FUNCS(fgetln)
AC_CHECK_FUNCS(getline flockfile)

# from old readline settting:

MAKE_SHELL=/bin/sh
AC_SUBST(MAKE_SHELL)

# Already-done: stdlib.h string.h unistd.h termios.h
AC_CHECK_HEADERS(varargs.h stdarg.h dirent.h locale.h ndir.h sys/dir.h \
 sys/file.h sys/ndir.h sys/ptem.h sys/pte.h sys/select.h sys/stream.h \
 sys/mman.h curses.h termcap.h termio.h termbits.h asm/termbits.h grp.h \
paths.h semaphore.h)

# Already-done: strcasecmp
AC_CHECK_FUNCS(lstat putenv select setenv setlocale strcoll tcgetattr)

AC_STAT_MACROS_BROKEN
MYSQL_SIGNAL_CHECK
MYSQL_CHECK_GETPW_FUNCS
MYSQL_HAVE_TIOCGWINSZ
MYSQL_HAVE_FIONREAD
MYSQL_HAVE_TIOCSTAT
MYSQL_STRUCT_DIRENT_D_INO
MYSQL_STRUCT_DIRENT_D_NAMLEN
MYSQL_TYPE_SIGHANDLER
MYSQL_CHECK_MULTIBYTE
if test "$with_named_curses" = "no"
then
  MYSQL_CHECK_LIB_TERMCAP
else
  TERMCAP_LIB="$with_named_curses"
fi
AC_SUBST(TERMCAP_LIB)

# Check if the termcap function 'tgoto' is already declared in
# system header files or if it need to be declared locally
AC_CHECK_DECLS(tgoto,,,[
#ifdef HAVE_CURSES_H
# include <curses.h>
#elif HAVE_NCURSES_H
# include <ncurses.h>
#endif
#ifdef HAVE_TERM_H
# include <term.h>
#endif
])

LIBEDIT_LOBJECTS=""
AC_CHECK_FUNC(strunvis, ,[LIBEDIT_LOBJECTS="$LIBEDIT_LOBJECTS unvis.o"])
AC_CHECK_FUNC(strvis,   ,[LIBEDIT_LOBJECTS="$LIBEDIT_LOBJECTS vis.o"])
AC_CHECK_FUNC(strlcpy,  ,[LIBEDIT_LOBJECTS="$LIBEDIT_LOBJECTS strlcpy.o"])
AC_CHECK_FUNC(strlcat,  ,[LIBEDIT_LOBJECTS="$LIBEDIT_LOBJECTS strlcat.o"])
AC_CHECK_FUNC(fgetln,   ,[LIBEDIT_LOBJECTS="$LIBEDIT_LOBJECTS fgetln.o"])
AC_SUBST(LIBEDIT_LOBJECTS)
enable_readline="yes"

# End of readline/libedit stuff
#########################################################################

dnl Checks for library functions.

#
# The following code disables intrinsic function support while we test for
# library functions.  This is to avoid configure problems with Intel ecc
# compiler

ORG_CFLAGS="$CFLAGS"
if test "$GCC" != "yes"; then
  AC_SYS_COMPILER_FLAG(-nolib_inline,nolib_inline,CFLAGS,[],[])
fi

#AC_FUNC_MMAP
AC_TYPE_SIGNAL
MYSQL_TYPE_QSORT
AC_FUNC_UTIME_NULL
AC_FUNC_VPRINTF

AC_CHECK_DECLS([fdatasync, bzero])

AC_CHECK_FUNCS(alarm bfill bmove bsearch bzero \
  chsize cuserid fchmod fcntl \
  fconvert fdatasync fesetround finite fpresetsticky fpsetmask fsync ftruncate \
  getcwd gethostbyaddr_r gethostbyname_r getpass getpassphrase getpwnam \
  getpwuid getrlimit getrusage getwd index initgroups isnan \
  localtime_r gethrtime gmtime_r \
  locking longjmp lrand48 madvise mallinfo memcpy memmove \
  mkstemp mlockall perror poll pread pthread_attr_create mmap mmap64 getpagesize \
  pthread_attr_getstacksize pthread_attr_setprio pthread_attr_setschedparam \
  pthread_attr_setstacksize pthread_condattr_create pthread_getsequence_np \
  pthread_key_delete pthread_rwlock_rdlock pthread_setprio \
  pthread_setprio_np pthread_setschedparam pthread_sigmask readlink \
  realpath rename rint rwlock_init setupterm \
  shmget shmat shmdt shmctl sigaction sigemptyset sigaddset \
  sighold sigset sigthreadmask port_create sleep \
  snprintf socket stpcpy strcasecmp strerror strsignal strnlen strpbrk strstr \
  strtol strtoll strtoul strtoull tell tempnam thr_setconcurrency vidattr \
  posix_fallocate backtrace backtrace_symbols backtrace_symbols_fd printstack \
  fedisableexcept)

#
#
#
case "$target" in
 *-*-aix4* | *-*-sco*)
	# (grr) aix 4.3 has a stub for clock_gettime, (returning ENOSYS)
	# and using AC_TRY_RUN is hard when cross-compiling
	# We also disable for SCO for the time being, the headers for the
	# thread library we use conflicts with other headers.
    ;;
 *) AC_CHECK_FUNCS(clock_gettime)
    ;;
esac

case "$mysql_cv_sys_os" in
 OS400) # i5/OS (OS/400) emits a SIGILL (Function not implemented) when
        # unsupported priority values are passed to pthread_setschedprio.
        # Since the only supported value is 1, treat it as inexistent.
    ;;
 SunOS) # Bug#42599 error: `pthread_setschedprio' was not declared in this scope
        # In some installations, the pthread.h header used by GCC does not
        # declare the pthread_setscheprio prototype, but the function is
        # implemented. Since the function is used in C++ code, ensure that
        # the function prototype is present.
     AC_MSG_CHECKING([whether pthread_setschedprio is declared])
     AC_LANG_PUSH([C++])
     AC_COMPILE_IFELSE([
       AC_LANG_PROGRAM([#include <pthread.h>],
                      [(void)(pthread_setschedprio);])],
       [ac_cv_func_pthread_setschedprio=yes],
       [ac_cv_func_pthread_setschedprio=no])
     AC_LANG_POP([C++])
     AC_MSG_RESULT([$ac_cv_func_pthread_setschedprio])
     if test "$ac_cv_func_pthread_setschedprio" = yes; then
       AC_DEFINE(HAVE_PTHREAD_SETSCHEDPRIO, 1,
                 [Define to 1 if you have the `pthread_setschedprio' function.])
     fi
    ;;
 *) AC_CHECK_FUNCS(pthread_setschedprio)
    ;;
esac

# Check that isinf() is available in math.h and can be used in both C and C++ 
# code
AC_MSG_CHECKING(for isinf in <math.h>)
AC_TRY_LINK([#include <math.h>], [float f = 0.0; int r = isinf(f); return r],
  AC_MSG_RESULT(yes)
  AC_MSG_CHECKING(whether isinf() is safe to use in C code)
  AC_TRY_RUN([
#include <math.h>
int main()
{
  double a= 10.0;
  double b= 1e308;

  return !isinf(a * b);
}
],
  [AC_MSG_RESULT(yes)],
  [AC_MSG_RESULT(no)
   AC_DEFINE([HAVE_BROKEN_ISINF], [1],
             [Define to 1 if isinf() uses 80-bit register for intermediate values])
  ],
  [
# Let's be optimistic when cross-compiling, since the only compiler known
# to be affected by this isinf() bug is GCC 4.3 on 32-bit x86.
   AC_MSG_RESULT([[cross-compiling, assuming 'yes']])
  ])
  AC_MSG_CHECKING(whether isinf() can be used in C++ code)
  AC_LANG_SAVE
  AC_LANG_CPLUSPLUS
  AC_TRY_LINK([#include <math.h>], [float f = 0.0; int r = isinf(f); return r],
    AC_MSG_RESULT(yes)
    AC_DEFINE(HAVE_ISINF, [1], [isinf() macro or function]),
    AC_MSG_RESULT(no))
  AC_LANG_RESTORE,
  AC_MSG_RESULT(no))
 
CFLAGS="$ORG_CFLAGS"

# Sanity check: We chould not have any fseeko symbol unless
# large_file_support=yes
AC_CHECK_FUNC(fseeko,
[if test "$large_file_support" = no -a "$TARGET_LINUX" = "true";
then
  AC_MSG_ERROR("Found fseeko symbol but large_file_support is not enabled!")
fi]
)

# Check definition of gethostbyaddr_r (glibc2 defines this with 8 arguments)
ac_save_CXXFLAGS="$CXXFLAGS"
AC_CACHE_CHECK([style of gethost* routines], mysql_cv_gethost_style,
AC_LANG_SAVE
AC_LANG_CPLUSPLUS

# Test whether madvise() is declared in C++ code -- it is not on some
# systems, such as Solaris
AC_CHECK_DECLS(madvise, [], [], [#if HAVE_SYS_MMAN_H
#include <sys/types.h>
#include <sys/mman.h>
#endif])

# Do not treat warnings as errors if we are linking against other libc
# this is to work around gcc not being permissive on non-system includes
# with respect to ANSI C++
# We also remove the -fbranch-probabilities option as this will give warnings
# about not profiled code, which confuses configure
# We also must remove -W and -Wcheck which on icc produces warnings that
# we don't want to catch with -Werror

if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no"
then
  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed -e 's/-fbranch-probabilities//; s/-Wall//; s/-ansi//; s/-pedantic//; s/-Wcheck//'`
fi

AC_TRY_COMPILE(
[#undef inline
#if !defined(SCO) && !defined(__osf__) && !defined(_REENTRANT)
#define _REENTRANT
#endif
#include <pthread.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>],
[int skr;
 struct hostent *foo = gethostbyaddr_r((const char *) 0,
  0, 0, (struct hostent *) 0, (char *) NULL,  0, &skr); return (foo == 0);],
mysql_cv_gethost_style=solaris, mysql_cv_gethost_style=other))
AC_LANG_RESTORE
CXXFLAGS="$ac_save_CXXFLAGS"
if test "$mysql_cv_gethost_style" = "solaris"
then
  AC_DEFINE([HAVE_SOLARIS_STYLE_GETHOST], [1],
            [Solaris define gethostbyaddr_r with 7 arguments. glibc2 defines this with 8 arguments])
fi

#---START: Used in for client configure

# Check definition of gethostbyname_r (glibc2.0.100 is different from Solaris)
ac_save_CXXFLAGS="$CXXFLAGS"
AC_CACHE_CHECK([style of gethostbyname_r routines], mysql_cv_gethostbyname_style,
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no"
then
  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed -e 's/-fbranch-probabilities//; s/-Wall//; s/-ansi//; s/-pedantic//; s/-Wcheck//'`
fi
AC_TRY_COMPILE(
[#undef inline
#if !defined(SCO) && !defined(__osf__) && !defined(_REENTRANT)
#define _REENTRANT
#endif
#include <pthread.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>],
[int skr;

 skr = gethostbyname_r((const char *) 0,
  (struct hostent*) 0, (char*) 0, 0, (struct hostent **) 0, &skr);],
mysql_cv_gethostbyname_style=glibc2, mysql_cv_gethostbyname_style=other))
AC_LANG_RESTORE
CXXFLAGS="$ac_save_CXXFLAGS"
if test "$mysql_cv_gethostbyname_style" = "glibc2"
then
  AC_DEFINE([HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE], [1],
            [Solaris define gethostbyname_r with 5 arguments. glibc2 defines this with 6 arguments])
fi

# Check 3rd argument of getthostbyname_r
ac_save_CXXFLAGS="$CXXFLAGS"
AC_CACHE_CHECK([3 argument to gethostbyname_r routines], mysql_cv_gethostbyname_arg,
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no"
then
  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed -e 's/-fbranch-probabilities//; s/-Wall//; s/-ansi//; s/-pedantic//; s/-Wcheck//'`
fi
AC_TRY_COMPILE(
[#undef inline
#if !defined(SCO) && !defined(__osf__) && !defined(_REENTRANT)
#define _REENTRANT
#endif
#include <pthread.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>],
[int skr;

 skr = gethostbyname_r((const char *) 0, (struct hostent*) 0, (struct hostent_data*) 0);],
mysql_cv_gethostbyname_arg=hostent_data, mysql_cv_gethostbyname_arg=char))
AC_LANG_RESTORE
CXXFLAGS="$ac_save_CXXFLAGS"
if test "$mysql_cv_gethostbyname_arg" = "hostent_data"
then
  AC_DEFINE([HAVE_GETHOSTBYNAME_R_RETURN_INT], [1],
            [In OSF 4.0f the 3'd argument to gethostbyname_r is hostent_data *])
fi


# Check definition of pthread_getspecific
AC_CACHE_CHECK("args to pthread_getspecific", mysql_cv_getspecific_args,
AC_TRY_COMPILE(
[#if !defined(SCO) && !defined(__osf__) && !defined(_REENTRANT)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h> ],
[ void *pthread_getspecific(pthread_key_t key);
pthread_getspecific((pthread_key_t) NULL); ],
mysql_cv_getspecific_args=POSIX, mysql_cv_getspecific_args=other))
  if test "$mysql_cv_getspecific_args" = "other"
  then
    AC_DEFINE([HAVE_NONPOSIX_PTHREAD_GETSPECIFIC], [1],
              [For some non posix threads])
  fi

  # Check definition of pthread_mutex_init
  AC_CACHE_CHECK("args to pthread_mutex_init", mysql_cv_mutex_init_args,
  AC_TRY_COMPILE(
[#if !defined(SCO) && !defined(__osf__)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h> ],
[ 
  pthread_mutexattr_t attr;
  pthread_mutex_t mp;
  pthread_mutex_init(&mp,&attr); ],
mysql_cv_mutex_init_args=POSIX, mysql_cv_mutex_init_args=other))
  if test "$mysql_cv_mutex_init_args" = "other"
  then
    AC_DEFINE([HAVE_NONPOSIX_PTHREAD_MUTEX_INIT], [1],
              [For some non posix threads])
  fi
#---END:

#---START: Used in for client configure
# Check definition of readdir_r
AC_CACHE_CHECK("args to readdir_r", mysql_cv_readdir_r,
AC_TRY_LINK(
[#if !defined(SCO) && !defined(__osf__)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h>
#include <dirent.h>],
[ int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result);
readdir_r((DIR *) NULL, (struct dirent *) NULL, (struct dirent **) NULL); ],
mysql_cv_readdir_r=POSIX, mysql_cv_readdir_r=other))
if test "$mysql_cv_readdir_r" = "POSIX"
then
  AC_DEFINE([HAVE_READDIR_R], [1], [POSIX readdir_r])
fi

# Check definition of posix sigwait()
AC_CACHE_CHECK("style of sigwait", mysql_cv_sigwait,
AC_TRY_LINK(
[#if !defined(SCO) && !defined(__osf__)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h>
#include <signal.h>],
[#ifndef _AIX
sigset_t set;
int sig;
sigwait(&set,&sig);
#endif],
mysql_cv_sigwait=POSIX, mysql_cv_sigwait=other))
if test "$mysql_cv_sigwait" = "POSIX"
then
  AC_DEFINE([HAVE_SIGWAIT], [1], [POSIX sigwait])
fi

if test "$mysql_cv_sigwait" != "POSIX"
then
unset mysql_cv_sigwait
# Check definition of posix sigwait()
AC_CACHE_CHECK("style of sigwait", mysql_cv_sigwait,
AC_TRY_LINK(
[#if !defined(SCO) && !defined(__osf__)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h>
#include <signal.h>],
[sigset_t set;
int sig;
sigwait(&set);],
mysql_cv_sigwait=NONPOSIX, mysql_cv_sigwait=other))
if test "$mysql_cv_sigwait" = "NONPOSIX"
then
  AC_DEFINE([HAVE_NONPOSIX_SIGWAIT], [1], [sigwait with one argument])
fi
fi
#---END:

# Check if pthread_attr_setscope() exists
AC_CACHE_CHECK("for pthread_attr_setscope", mysql_cv_pthread_attr_setscope,
AC_TRY_LINK(
[#if !defined(SCO) && !defined(__osf__)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h>],
[pthread_attr_t thr_attr;
pthread_attr_setscope(&thr_attr,0);],
mysql_cv_pthread_attr_setscope=yes, mysql_cv_pthread_attr_setscope=no))
if test "$mysql_cv_pthread_attr_setscope" = "yes"
then
  AC_DEFINE([HAVE_PTHREAD_ATTR_SETSCOPE], [1], [pthread_attr_setscope])
fi

# Check for bad includes
AC_MSG_CHECKING("can netinet files be included")
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>],
[ printf("1\n"); ],
netinet_inc=yes, netinet_inc=no)
if test "$netinet_inc" = "no"
then
  AC_DEFINE([HAVE_BROKEN_NETINET_INCLUDES], [1], [Can netinet be included])
fi
AC_MSG_RESULT("$netinet_inc")

AC_CACHE_CHECK([support for weak symbols], mysql_cv_weak_symbol,
[AC_TRY_LINK([],[
  extern void __attribute__((weak)) foo(void);
], [mysql_cv_weak_symbol=yes], [mysql_cv_weak_symbol=no])])

if test "x$mysql_cv_weak_symbol" = xyes; then
  AC_DEFINE(HAVE_WEAK_SYMBOL, 1,
            [Define to 1 if compiler supports weak symbol attribute.])
fi

AC_CACHE_CHECK([whether __bss_start is defined], mysql_cv_bss_start,
[AC_TRY_LINK([],[
  extern char *__bss_start;
  return __bss_start ? 1 : 0;
], [mysql_cv_bss_start=yes], [mysql_cv_bss_start=no])])

if test "x$mysql_cv_bss_start" = xyes; then
  AC_DEFINE(HAVE_BSS_START, 1,
            [Define to 1 if compiler defines __bss_start.])
fi

AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_CHECK_HEADERS(cxxabi.h)
AC_CACHE_CHECK([for abi::__cxa_demangle], mysql_cv_cxa_demangle,
[AC_TRY_LINK([#include <cxxabi.h>], [
  char *foo= 0; int bar= 0;
  foo= abi::__cxa_demangle(foo, foo, 0, &bar);
], [mysql_cv_cxa_demangle=yes], [mysql_cv_cxa_demangle=no])])
AC_LANG_RESTORE

if test "x$mysql_cv_cxa_demangle" = xyes; then
  AC_DEFINE(HAVE_ABI_CXA_DEMANGLE, 1,
            [Define to 1 if you have the `abi::__cxa_demangle' function.])
fi

#--------------------------------------------------------------------
# Check for requested features
#--------------------------------------------------------------------

MYSQL_CHECK_BIG_TABLES
MYSQL_CHECK_MAX_INDEXES
MYSQL_CHECK_VIO
MYSQL_CHECK_SSL

#--------------------------------------------------------------------
# Declare our plugin modules
# Has to be done late, as the plugin may need to check for existence of
# functions tested above
#--------------------------------------------------------------------

MYSQL_STORAGE_ENGINE(partition, partition, [Partition Support],
        [MySQL Partitioning Support], [max,max-no-ndb])

dnl -- ndbcluster requires partition to be enabled

MYSQL_CONFIGURE_PLUGINS([none])

# Only build client code?
AC_ARG_WITH(server,
    [  --without-server        Only build the client.],
    [with_server=$withval],
    [with_server=yes]
)

AC_ARG_WITH(embedded-server,
    [  --with-embedded-server  Build the embedded server (libmysqld).],
    [with_embedded_server=$withval],
    [with_embedded_server=no]
)

AC_ARG_WITH(query_cache,
    [  --without-query-cache   Do not build query cache.],
    [with_query_cache=$withval],
    [with_query_cache=yes]
)

if test "$with_query_cache" = "yes"
then
  AC_DEFINE([HAVE_QUERY_CACHE], [1], [If we want to have query cache])
fi

AC_ARG_WITH(geometry,
    [  --without-geometry      Do not build geometry-related parts.],
    [with_geometry=$withval],
    [with_geometry=yes]
)

if test "$with_geometry" = "yes"
then
  AC_DEFINE([HAVE_SPATIAL], [1], [Spatial extentions])
  AC_DEFINE([HAVE_RTREE_KEYS], [1], [RTree keys])
fi

AC_ARG_WITH(embedded_privilege_control,
    [  --with-embedded-privilege-control
                          Build parts to check user's privileges.
			  Only affects embedded library.],
    [with_embedded_privilege_control=$withval],
    [with_embedded_privilege_control=no]
)

if test "$with_embedded_privilege_control" = "yes"
then
  AC_DEFINE([HAVE_EMBEDDED_PRIVILEGE_CONTROL], [1],
            [Access checks in embedded library])
fi

tools_dirs=""

AC_ARG_WITH([mysqlmanager],
  AC_HELP_STRING([--with-mysqlmanager], [Build the mysqlmanager binary: yes/no (default: build if server is built.)]),,)

if test "$with_mysqlmanager" = "yes" -o \
        '(' "$with_mysqlmanager:$with_server" = ":yes" -a \
            -d "$srcdir/server-tools" ')' ; then
  tools_dirs="server-tools"
fi

AC_SUBST(tools_dirs)

#MYSQL_CHECK_CPU

libmysqld_dirs=
if test "$with_embedded_server" = "yes"
then
  libmysqld_dirs=libmysqld

  # We can't build embedded library without building the server, because
  # we depend on libmysys, libmystrings, libmyisam, etc.
  with_server=yes
fi
# XXX: We need to add @libmysqld_extra_libs@ (or whatever) so that
# mysql_config --libmysqld-libs will print out something like
# -L/path/to/lib/mysql -lmysqld -lmyisam -lmysys -lmystrings -ldbug ...
AC_SUBST([libmysqld_dirs])

# Shall we build the docs?
AC_ARG_WITH(docs,
    [  --without-docs          Skip building of the documentation.],
    [with_docs=$withval],
    [with_docs=yes]
)

if test "$with_docs" = "yes"
then
  docs_dirs="Docs"
  if test -f "$srcdir/Docs/manual.chm" ; then
    extra_docs="manual.chm"
  fi
else
  docs_dirs=""
  extra_docs=""
fi
AC_SUBST(docs_dirs)
AC_SUBST(extra_docs)

# Shall we build the man pages?
AC_ARG_WITH(man,
    [  --without-man          Skip building of the man pages.],
    [with_man=$withval],
    [with_man=yes]
)

# Don't build readline, i have it already
AC_ARG_WITH(readline,
    [  --without-readline      Use system readline instead of bundled copy.],
    [ with_readline=$withval ],
    [ with_readline=undefined ]
    )
    
AC_ARG_WITH(libedit,
    [  --without-libedit       Use system libedit instead of bundled copy.],
    [ with_libedit=$withval ],
    [ with_libedit=undefined ]
    )

if test "$with_readline/$with_libedit" = "undefined/undefined" -a ! -e "$srcdir/cmd-line-utils"
then
  with_readline=no
  with_libedit=no
fi

#
# We support next variants of compilation:
#                              --with-readline
#                |       yes      |  no  |               undefined
# --with-libedit |                |      |
# ---------------+----------------+------+----------------------------------
#       yes      |      ERROR!    |   use libedit from mysql sources
# ---------------+----------------+------+----------------------------------
#       no       | use readline   | use system readline or external libedit
#                | from mysql     | according to results of m4 tests
# ---------------+ sources (if it +      +----------------------------------
#    undefined   | is presented)  |      | use libedit from mysql sources
                   

compile_readline="no"
compile_libedit="no"

if [test "$with_libedit" = "yes"] && [test "$with_readline" = "yes"]
then
    AC_MSG_ERROR([You can not use --with-readline and --with-libedit at the same time, please choose one of it])
fi

readline_topdir=""
readline_basedir=""
readline_dir=""
readline_h_ln_cmd=""
readline_link=""
want_to_use_readline="no"

case $SYSTEM_TYPE in
  *netware*)
    # For NetWare, do not need readline
    echo "Skipping readline"
    ;;
  *)
    if [test "$with_libedit" = "yes"] || [test "$with_libedit" = "undefined"] && [test "$with_readline" = "undefined"]
    then
	readline_topdir="cmd-line-utils"
	readline_basedir="libedit"
	readline_dir="$readline_topdir/$readline_basedir"
	readline_link="\$(top_builddir)/cmd-line-utils/libedit/libedit.a"
	readline_h_ln_cmd="\$(LN) -s \$(top_srcdir)/cmd-line-utils/libedit/readline readline"
	compile_libedit=yes
	AC_DEFINE_UNQUOTED(HAVE_HIST_ENTRY, 1)
	AC_DEFINE_UNQUOTED(USE_LIBEDIT_INTERFACE, 1)
    elif test "$with_readline" = "yes"
    then
	readline_topdir="cmd-line-utils"
	readline_basedir="readline"
	readline_dir="$readline_topdir/$readline_basedir"
	readline_link="\$(top_builddir)/cmd-line-utils/readline/libreadline.a"
	readline_h_ln_cmd="\$(LN) -s \$(top_srcdir)/cmd-line-utils/readline readline"
	compile_readline=yes
	want_to_use_readline="yes"
	AC_DEFINE_UNQUOTED(USE_NEW_READLINE_INTERFACE, 1)
    else
	# Use system readline library
	AC_LANG_SAVE
	AC_LANG_CPLUSPLUS
	MYSQL_CHECK_LIBEDIT_INTERFACE
	MYSQL_CHECK_NEW_RL_INTERFACE
	MYSQL_CHECK_READLINE_DECLARES_HIST_ENTRY
	AC_LANG_RESTORE
	if [test "$mysql_cv_new_rl_interface" = "yes"] && [test -d "$srcdir/cmd-line-utils/readline"]
	then
	    # Use the new readline interface, but only if the package includes a bundled libreadline
	    # this way we avoid linking commercial source with GPL readline
	    readline_link="-lreadline"
	    want_to_use_readline="yes"
	elif [test "$mysql_cv_libedit_interface" = "yes"]
	then
	    # Use libedit
	    readline_link="-ledit"
	else
	   AC_MSG_ERROR([Could not find system readline or libedit libraries
	      Use --with-readline or --with-libedit to use the bundled
	      versions of libedit or readline])
	fi
    fi

    # if there is no readline, but we want to build with readline, we fail
    if [test "$want_to_use_readline" = "yes"] && [test ! -d "$srcdir/cmd-line-utils/readline"]
    then
	AC_MSG_ERROR([This commercially licensed MySQL source package can't
	      be built with libreadline. Please use --with-libedit to use
	      the bundled version of libedit instead.])
    fi
    ;;
esac

AC_SUBST(readline_dir)
AC_SUBST(readline_topdir)
AC_SUBST(readline_basedir)
AC_SUBST(readline_link)
AC_SUBST(readline_h_ln_cmd)



# Include man pages, if desired, adapted to the configured parts.
if test X"$with_man" = Xyes
then
  # First, create the list of all man pages present.
  MANLISTFIL=manlist.$$
  TMPLISTFIL=`echo $MANLISTFIL | sed -e 's/manlist/tmplist/'`
  if test -f $MANLISTFIL -o -f $TMPLISTFIL
  then
    echo "Temp file '$MANLISTFIL' or '$TMPLISTFIL' already exists in '`pwd`' - aborting"
    exit 1
  fi
  touch $MANLISTFIL $TMPLISTFIL

  ls $srcdir/man/*.[[18]] > $MANLISTFIL

  # Then, remove all those pages from the list which are specific to parts
  # (table handlers, features, ...) which are not configured in this run.
  AC_MSG_CHECKING("for man pages to remove")
  MAN_DROP="dropping"
  if test X"$with_plugin_ndbcluster" != Xyes
  then
    MAN_DROP="$MAN_DROP ndbcluster"
    grep -v '/ndb' $MANLISTFIL > $TMPLISTFIL ; mv -f $TMPLISTFIL $MANLISTFIL
  fi
  if test X"$with_embedded_server" != Xyes
  then
    MAN_DROP="$MAN_DROP embedded"
    grep -v 'embedded' $MANLISTFIL > $TMPLISTFIL ; mv -f $TMPLISTFIL $MANLISTFIL
  fi
  if test X"$with_plugin_innobase" != Xyes -a X"$with_plugin_innodb_plugin" != Xyes
  then
    MAN_DROP="$MAN_DROP innodb"
    grep -v 'inno' $MANLISTFIL > $TMPLISTFIL ; mv -f $TMPLISTFIL $MANLISTFIL
  fi
  AC_MSG_RESULT([$MAN_DROP])

  # Finally, split the man pages into sections 1 and 8.
  # Get rid of line breaks.
  man1_files=`sed -n -e '/\.1$/s/^.*man\///p' <$MANLISTFIL`
  man8_files=`sed -n -e '/\.8$/s/^.*man\///p' <$MANLISTFIL`

  man_dirs="man"
  man1_files=`echo $man1_files`
  man8_files=`echo $man8_files`
  rm -f $MANLISTFIL $TMPLISTFIL
else
  man_dirs=""
  man1_files=""
  man8_files=""
fi
AC_SUBST(man_dirs)
AC_SUBST(man1_files)
AC_SUBST(man8_files)

# If we have threads generate some library functions and test programs
sql_server_dirs=
sql_server=
server_scripts=

dnl This probably should be cleaned up more - for now the threaded
dnl client is just using plain-old libs.
sql_client_dirs="strings mysys dbug extra regex libmysql"

AM_CONDITIONAL(THREAD_SAFE_CLIENT, test "$THREAD_SAFE_CLIENT" != "no")

if test "$THREAD_SAFE_CLIENT" != "no"
then
  sql_client_dirs="$sql_client_dirs libmysql_r"
  AC_DEFINE([THREAD_SAFE_CLIENT], [1], [Should the client be thread safe])
fi
sql_client_dirs="$sql_client_dirs client"

CLIENT_LIBS="$NON_THREADED_LIBS $openssl_libs $ZLIB_LIBS $STATIC_NSS_FLAGS"

AC_SUBST(CLIENT_LIBS)
AC_SUBST(CLIENT_THREAD_LIBS)
AC_SUBST(NON_THREADED_LIBS)
AC_SUBST(STATIC_NSS_FLAGS)
AC_SUBST(sql_client_dirs)

# If configuring for NetWare, build the netware directory
netware_dir=
if expr "$SYSTEM_TYPE" : ".*netware.*" > /dev/null
then
  netware_dir="netware"
fi
AC_SUBST(netware_dir)
AM_CONDITIONAL(HAVE_NETWARE, test "$netware_dir" = "netware")

if test "$with_server" != "no" -o "$THREAD_SAFE_CLIENT" != "no"
then
  AC_DEFINE([THREAD], [1],
            [Define if you want to have threaded code. This may be undef on client code])
  # Avoid _PROGRAMS names
  THREAD_LOBJECTS="thr_alarm.o thr_lock.o thr_mutex.o thr_rwlock.o my_pthread.o my_thr_init.o mf_keycache.o"
  AC_SUBST(THREAD_LOBJECTS)
fi
AM_CONDITIONAL(NEED_THREAD, test "$with_server" != "no" -o "$THREAD_SAFE_CLIENT" != "no")

if test "$with_server" != "no"
then
  server_scripts="mysqld_safe mysql_install_db"
  sql_server_dirs="strings mysys dbug extra regex storage plugin"

  sql_server="vio sql"
fi

# "innochecksum" is not in the "innobase/" subdirectory, but should be switched
AM_CONDITIONAL([BUILD_INNODB_TOOLS], [test X"$with_plugin_innobase" = Xyes -o X"$with_plugin_innodb_plugin" = Xyes ])

# IMPORTANT - do not modify LIBS past this line - this hack is the only way
# I know to add the static NSS magic if we have static NSS libraries with
# glibc - Sasha

LDFLAGS="$LDFLAGS $OTHER_LIBC_LIB"
LIBS="$LIBS $STATIC_NSS_FLAGS"

AC_SUBST(sql_server_dirs)
AC_SUBST(sql_server)
AC_SUBST(server_scripts)

AC_SUBST(mysql_plugin_dirs)
AC_SUBST(mysql_plugin_libs)
AC_SUBST(mysql_plugin_defs)


# Now that sql_client_dirs and sql_server_dirs are stable, determine the union.
# We support client-only builds by "--without-server", but not vice versa,
# so we start with the client list, then add each server item not yet present.
sql_union_dirs=" $sql_client_dirs "
for DIR in $sql_server_dirs
do
  if echo " $sql_union_dirs " | grep " $DIR " >/dev/null
  then
    :  # already present, skip
  else
    sql_union_dirs="$sql_union_dirs $DIR "
  fi
done
AC_SUBST(sql_union_dirs)

#
# Setup maintainer mode options by the end to not disturb
# system and other checks.
#
MY_MAINTAINER_MODE_SETUP

# Some usefull subst
AC_SUBST(CC)
AC_SUBST(GXX)

# Set configuration options for make_binary_distribution
case $SYSTEM_TYPE in
  *netware*)
    MAKE_BINARY_DISTRIBUTION_OPTIONS="$MAKE_BINARY_DISTRIBUTION_OPTIONS --no-strip"
    ;;
  *)
    : # no change for other platforms yet
    ;;
esac
AC_SUBST(MAKE_BINARY_DISTRIBUTION_OPTIONS)

# Output results
if test -d "$srcdir/cmd-line-utils/readline" ; then
  AC_CONFIG_FILES(cmd-line-utils/readline/Makefile)
fi

AC_CONFIG_FILES(Makefile extra/Makefile mysys/Makefile dnl
 unittest/Makefile unittest/mytap/Makefile unittest/mytap/t/Makefile dnl
 unittest/mysys/Makefile unittest/strings/Makefile dnl
 unittest/examples/Makefile dnl
 strings/Makefile regex/Makefile storage/Makefile dnl
 man/Makefile BUILD/Makefile vio/Makefile dnl
 libmysql/Makefile libmysql_r/Makefile client/Makefile dnl
 sql/Makefile sql/share/Makefile dnl
 sql/sql_builtin.cc sql-common/Makefile dnl
 dbug/Makefile scripts/Makefile include/Makefile dnl
 tests/Makefile Docs/Makefile support-files/Makefile dnl
 support-files/MacOSX/Makefile support-files/RHEL4-SElinux/Makefile dnl
 server-tools/Makefile server-tools/instance-manager/Makefile dnl
 cmd-line-utils/Makefile cmd-line-utils/libedit/Makefile dnl
 libmysqld/Makefile libmysqld/examples/Makefile dnl
 mysql-test/Makefile mysql-test/lib/My/SafeProcess/Makefile dnl
 netware/Makefile sql-bench/Makefile dnl
 include/mysql_version.h plugin/Makefile win/Makefile)

AC_CONFIG_COMMANDS([default], , test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h)

# Ensure that table handlers gets all modifications to CFLAGS/CXXFLAGS
AC_CONFIG_COMMANDS_POST(ac_configure_args="$ac_configure_args CFLAGS='$CFLAGS' CXXFLAGS='$CXXFLAGS'")

AC_OUTPUT

# Add warning if user configures with --with-ndbcluster
if test X"$with_plugin_ndbcluster" = Xyes ; then
  echo 
  echo This version of MySQL Cluster is no longer maintained.
  echo Please use the separate sources provided for MySQL Cluster instead.
  echo See http://dev.mysql.com/doc/refman/5.1/en/mysql-cluster.html
  echo for more details.
fi

# The first line "Thank you ..." is checked in ./Do-compile to verify that configure
# ended sucessfully - don't remove it.
echo
echo "Thank you for choosing MySQL!"
echo
echo "Remember to check the platform specific part of the reference manual"
echo "for hints about installing MySQL on your platform."
echo "Also have a look at the files in the Docs directory."
echo