path: root/ndb/config/configure.in

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

AC_INIT(../../sql/mysqld.cc)
AC_CANONICAL_SYSTEM
# The Docs Makefile.am parses this line!
AM_INIT_AUTOMAKE(mysql, 4.1.2-3.4.3-alpha)
AM_CONFIG_HEADER(config.h)

PROTOCOL_VERSION=10
DOT_FRM_VERSION=6
# See the libtool docs for information on how to do shared lib versions.
SHARED_LIB_VERSION=14:0:0

# 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
MYSQL_NO_DASH_VERSION=`echo $VERSION | sed -e "s|[[a-z]]*-.*$||"`
MYSQL_BASE_VERSION=`echo $MYSQL_NO_DASH_VERSION | sed -e "s|\.[[^.]]*$||"`
MYSQL_VERSION_ID=`echo $MYSQL_NO_DASH_VERSION. | sed -e 's/\./  /g; s/ \([[0-9]]\) / 0\\1 /g; s/ //g'`

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

#####
#####

AC_SUBST(MYSQL_NO_DASH_VERSION)
AC_SUBST(MYSQL_BASE_VERSION)
AC_SUBST(MYSQL_VERSION_ID)
AC_SUBST(PROTOCOL_VERSION)
AC_DEFINE_UNQUOTED(PROTOCOL_VERSION, $PROTOCOL_VERSION)
AC_SUBST(DOT_FRM_VERSION)
AC_DEFINE_UNQUOTED(DOT_FRM_VERSION, $DOT_FRM_VERSION)
AC_SUBST(SHARED_LIB_VERSION)

# Canonicalize the configuration name.
SYSTEM_TYPE="$host_vendor-$host_os"
MACHINE_TYPE="$host_cpu"
AC_SUBST(SYSTEM_TYPE)
AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE")
AC_SUBST(MACHINE_TYPE)
AC_DEFINE_UNQUOTED(MACHINE_TYPE, "$MACHINE_TYPE")

# 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_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_ASFLAGS)
AC_SUBST(SAVE_CFLAGS)
AC_SUBST(SAVE_CXXFLAGS)
AC_SUBST(SAVE_LDFLAGS)
AC_SUBST(SAVE_CXXLDFLAGS)
AC_SUBST(CXXLDFLAGS)

AC_PREREQ(2.12)dnl		Minimum Autoconf version required.

AM_MAINTAINER_MODE
#AC_ARG_PROGRAM			# Automaticly invoked by AM_INIT_AUTOMAKE
AM_SANITY_CHECK
# This is needed is SUBDIRS is set
AC_PROG_MAKE_SET

# This is need before AC_PROG_CC
#

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

# The following hack should ensure that configure doesn't add optimizing
# or debugging flags to CFLAGS or CXXFLAGS
CFLAGS="$CFLAGS "
CXXFLAGS="$CXXFLAGS "

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
case $SYSTEM_TYPE in
  *netware*)
CXX_VERSION=`$CXX -version | grep -i version`
    ;;
  *)
CXX_VERSION=`$CXX --version | sed 1q`
    ;;
esac
if test $? -eq "0"
then
  AC_MSG_CHECKING("C++ compiler version");
  AC_MSG_RESULT("$CXX $CXX_VERSION")
else
CXX_VERSION=""
fi
AC_SUBST(CXX_VERSION)
AC_SUBST(CC_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_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_PROG_YACC
AC_CHECK_PROG(PDFMANUAL, pdftex, manual.pdf)
AC_CHECK_PROG(DVIS,      tex,    manual.dvi)

AC_MSG_CHECKING("return type of sprintf")

#check the return type of sprintf
case $SYSTEM_TYPE in
  *netware*)
    AC_DEFINE(SPRINTF_RETURNS_INT) AC_MSG_RESULT("int")
    ;;
  *)
AC_TRY_RUN([
  int main()
    {
      char* s = "hello";
      char buf[6];
      if((int)sprintf(buf, s) == strlen(s))
	return 0;
      
      return -1;
     }
   ],
AC_DEFINE(SPRINTF_RETURNS_INT) AC_MSG_RESULT("int"),
 AC_TRY_RUN([
 int main()
   {
     char* s = "hello";
     char buf[6];
     if((char*)sprintf(buf,s) == buf + strlen(s))
       return 0;
     return -1;
   }
], AC_DEFINE(SPRINTF_RETURNS_PTR) AC_MSG_RESULT("ptr"),
 AC_DEFINE(SPRINTF_RETURNS_GARBAGE) AC_MSG_RESULT("garbage")))
    ;;
esac


# option, cache_name, variable,
# code to execute if yes, code to exectute if fail
AC_DEFUN(AC_SYS_COMPILER_FLAG,
[
  AC_MSG_CHECKING($1)
  OLD_CFLAGS="[$]CFLAGS"
  AC_CACHE_VAL(mysql_cv_option_$2,
  [
    CFLAGS="[$]OLD_CFLAGS $1"
    AC_TRY_RUN([int main(){exit(0);}],mysql_cv_option_$2=yes,mysql_cv_option_$2=no,mysql_cv_option_$2=no)
 ])

  CFLAGS="[$]OLD_CFLAGS"
  
  if test x"[$]mysql_cv_option_$2" = "xyes" ; then
    $3="[$]$3 $1"
    AC_MSG_RESULT(yes)
    $5
  else
    AC_MSG_RESULT(no)
    $4
  fi
])

# arch, option, cache_name, variable
AC_DEFUN(AC_SYS_CPU_COMPILER_FLAG,
[
 if test "`uname -m 2>/dev/null`" = "$1" ; then
    AC_SYS_COMPILER_FLAG($2,$3,$4)
 fi
])

# os, option, cache_name, variable
AC_DEFUN(AC_SYS_OS_COMPILER_FLAG,
[
 if test "x$mysql_cv_sys_os" = "x$1" ; then
    AC_SYS_COMPILER_FLAG($2,$3,$4)
 fi
])

# We need some special hacks when running slowaris
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 "$LDFLAGS" in
           *-belf*) ;;
           *) echo "Adding -belf option to ldflags."
              LDFLAGS="$LDFLAGS -belf"
           ;;
         esac
         ])
       ;;
       *)
         AC_SYS_COMPILER_FLAG(-belf,sco_belf_option,CFLAGS,[],[
         case "$LDFLAGS" in
           *-belf*) ;;
           *)
	     echo "Adding -belf option to ldflags."
             LDFLAGS="$LDFLAGS -belf"
           ;;
         esac
         ])
       ;;
     esac
  ;;
  sysv5UnixWare*) 
    if test "$GCC" != "yes"; then
      # We are using built-in inline function
      CFLAGS="$CFLAGS -Kalloca"
    fi
    CXXFLAGS="$CXXFLAGS -DNO_CPLUSPLUS_ALLOCA"
  ;;
  sysv5OpenUNIX8*) 
    if test "$GCC" != "yes"; then
      # We are using built-in inline function
      CFLAGS="$CFLAGS -Kalloca"
    fi
    CXXFLAGS="$CXXFLAGS -DNO_CPLUSPLUS_ALLOCA"
  ;;
esac
AC_SUBST(CC)
AC_SUBST(CFLAGS)
AC_SUBST(CXX)
AC_SUBST(CXXFLAGS)
AC_SUBST(LD)
AC_SUBST(INSTALL_SCRIPT)

export CC CXX CFLAGS LD LDFLAGS AR

if test "$GXX" = "yes"
then
  # mysqld requires -fno-implicit-templates.
  # Disable exceptions as they seams to create problems with gcc and threads.
  # mysqld doesn't use run-time-type-checking, so we disable it.
  CXXFLAGS="$CXXFLAGS -fno-implicit-templates -fno-exceptions -fno-rtti"

  # If you are using 'gcc' 3.0 (not g++) to compile C++ programs on Linux,
  # we will gets some problems when linking static programs.
  # The following code is used to fix this problem.

  if test "$CXX" = "gcc" -o "$CXX" = "ccache gcc"
  then
    if $CXX -v 2>&1 | grep 'version 3' > /dev/null 2>&1
    then
      CXXFLAGS="$CXXFLAGS -DUSE_MYSYS_NEW -DDEFINE_CXA_PURE_VIRTUAL"
    fi
  fi
fi

# Avoid bug in fcntl on some versions of linux
AC_MSG_CHECKING("if we should use 'skip-locking' as default for $target_os")
# Any wariation of Linux
if expr "$target_os" : "[[Ll]]inux.*" > /dev/null
then
  MYSQLD_DEFAULT_SWITCHES="--skip-locking"
  IS_LINUX="true"
  AC_MSG_RESULT("yes");
else
  MYSQLD_DEFAULT_SWITCHES=""
  IS_LINUX="false"
  AC_MSG_RESULT("no");
fi
AC_SUBST(MYSQLD_DEFAULT_SWITCHES)
AC_SUBST(IS_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)
if ! ( expr "$SYSTEM_TYPE" : ".*netware.*" > /dev/null ); then
# If ln -f does not exists use -s (AFS systems)
if test -n "$LN_CP_F"; then
  LN_CP_F="$LN_CP_F -s"
fi
fi

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)
# 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)

# Lock for PS
AC_PATH_PROG(PS, ps, ps)
AC_MSG_CHECKING("how to check if pid exists")
PS=$ac_cv_path_PS
# Linux style
if $PS p $$ 2> /dev/null | grep $0 > /dev/null
then
  FIND_PROC="$PS p \$\$PID | grep mysqld > /dev/null"
# Solaris
elif $PS -p $$ 2> /dev/null | grep $0 > /dev/null
then
  FIND_PROC="$PS -p \$\$PID | grep mysqld > /dev/null"
# BSD style
elif $PS -uaxww 2> /dev/null | grep $0 > /dev/null
then
  FIND_PROC="$PS -uaxww | grep mysqld | grep \" \$\$PID \" > /dev/null"
# SysV style
elif $PS -ef 2> /dev/null | grep $0 > /dev/null
then
  FIND_PROC="$PS -ef | 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 mysqld > /dev/null"
else
  case $SYSTEM_TYPE in
    *freebsd*)
      FIND_PROC="$PS p \$\$PID | grep mysqld > /dev/null"
      ;;
    *darwin*)
      FIND_PROC="$PS -uaxww | grep mysqld | grep \" \$\$PID \" > /dev/null"
      ;;
    *cygwin*)
      FIND_PROC="$PS -e | grep mysqld | grep \" \$\$PID \" > /dev/null"
      ;;
    *netware* | *modesto*)
      FIND_PROC=
      ;;
    *)
      AC_MSG_ERROR([Could not find the right ps 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 a ANSI C compiler
AM_PROG_CC_STDC

# We need an assembler, too
AM_PROG_AS

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

NOINST_LDFLAGS=

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)
#

if test "$IS_LINUX" = "true" -a "$static_nss" = ""
then
  tmp=`nm /usr/lib/libc.a  | grep _nss_files_getaliasent_r`
  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_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 wants to have MIT threads.
AC_ARG_WITH(mit-threads,
    [  --with-mit-threads      Always use included thread lib.],
    [ with_mit_threads=$withval ],
    [ with_mit_threads=no ]
    )

if test "$with_mit_threads" = "yes"
then
  enable_largefile="no"		# Will not work on Linux.
fi

# 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 ]
    )

# Force use of a zlib (compress)
AC_ARG_WITH(named-z-libs,
    [  --with-named-z-libs=ARG
                          Use specified zlib libraries instead of
                          those automatically found by configure.],
    [ with_named_zlib=$withval ],
    [ with_named_zlib=z ]
    )

# Make thread safe client
AC_ARG_ENABLE(thread-safe-client,
    [  --enable-thread-safe-client   
                          Compile the client with threads.],
    [ THREAD_SAFE_CLIENT=$enableval ],
    [ THREAD_SAFE_CLIENT=no ]
    )

# 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")
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


AC_MSG_CHECKING(if we should use RAID)
AC_ARG_WITH(raid,
    [  --with-raid             Enable RAID Support],
    [   USE_RAID=$withval ],
    [   USE_RAID=no ]
    )
if test "$USE_RAID" = "yes"
then
  AC_MSG_RESULT([yes])
  AC_DEFINE([USE_RAID])
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 ]
    )
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])
else
  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 float.h floatingpoint.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 linux/config.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_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
AC_CHECK_FUNC(yp_get_default_domain, ,
  AC_CHECK_LIB(nsl, yp_get_default_domain))
AC_CHECK_FUNC(p2open, , AC_CHECK_LIB(gen, p2open))
# This may get things to compile even if bind-8 is installed
AC_CHECK_FUNC(bind, , AC_CHECK_LIB(bind, bind))
# For crypt() on Linux
AC_CHECK_LIB(crypt, crypt)
AC_CHECK_FUNC(crypt, AC_DEFINE(HAVE_CRYPT)) 

# For sem_xxx functions on Solaris 2.6
AC_CHECK_FUNC(sem_init, , AC_CHECK_LIB(posix4, sem_init))

# For compress in zlib
MYSQL_CHECK_ZLIB_WITH_COMPRESS($with_named_zlib)

#--------------------------------------------------------------------
# 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)
        AC_DEFINE(HAVE_LIBWRAP)
	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)

if test "$IS_LINUX" = "true"; then
  AC_MSG_CHECKING([for atomic operations])

  atom_ops=
  AC_TRY_RUN([
#include <asm/atomic.h>
int main()
{
  atomic_t v;

  atomic_set(&v, 23);
  atomic_add(5, &v);
  return atomic_read(&v) == 28 ? 0 : -1;
}
  ], AC_DEFINE(HAVE_ATOMIC_ADD) atom_ops="${atom_ops}atomic_add ",
  )
  AC_TRY_RUN([
#include <asm/atomic.h>
int main()
{
  atomic_t v;

  atomic_set(&v, 23);
  atomic_sub(5, &v);
  return atomic_read(&v) == 18 ? 0 : -1;
}
  ], AC_DEFINE(HAVE_ATOMIC_SUB) atom_ops="${atom_ops}atomic_sub ",
  )

  if test -z "$atom_ops"; then atom_ops="no"; fi
  AC_MSG_RESULT($atom_ops)

  AC_ARG_WITH(pstack,
    [  --with-pstack           Use the pstack backtrace library],
    [ USE_PSTACK=$withval ],
    [ USE_PSTACK=no ])
  pstack_libs=
  pstack_dirs=
  if test "$USE_PSTACK" = yes -a "$IS_LINUX" = "true" -a "$BASE_MACHINE_TYPE" = "i386" -a "$with_mit_threads" = "no"
  then
    have_libiberty= have_libbfd=
    my_save_LIBS="$LIBS"
dnl I have no idea if this is a good test - can not find docs for libiberty  
    AC_CHECK_LIB([iberty], [fdmatch],
      [have_libiberty=yes
       AC_CHECK_LIB([bfd], [bfd_openr], [have_libbfd=yes], , [-liberty])])
    LIBS="$my_save_LIBS"

    if test x"$have_libiberty" = xyes -a x"$have_libbfd" = xyes
    then
      pstack_dirs='$(top_srcdir)'/pstack
      pstack_libs="../pstack/libpstack.a -lbfd -liberty"
      # We must link staticly when using pstack
      with_mysqld_ldflags="-all-static"
      AC_SUBST([pstack_dirs])
      AC_SUBST([pstack_libs])
      AC_DEFINE([USE_PSTACK])
dnl This check isn't needed, but might be nice to give some feedback....
dnl    AC_CHECK_HEADER(libiberty.h,
dnl      have_libiberty_h=yes,
dnl      have_libiberty_h=no)
    else
      USE_PSTACK="no"
    fi
  else
    USE_PSTACK="no"
  fi
fi
AM_CONDITIONAL(COMPILE_PSTACK, test "$USE_PSTACK" = "yes")
AC_MSG_CHECKING([if we should use pstack])
AC_MSG_RESULT([$USE_PSTACK])

# 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_CHECK_FUNC(gtty, , AC_CHECK_LIB(compat, gtty))
fi
# We make a special variable for client library's to avoid including
# thread libs in the client.
NON_THREADED_CLIENT_LIBS="$LIBS"

AC_MSG_CHECKING([for int8])
case $SYSTEM_TYPE in
  *netware)
    AC_MSG_RESULT([no])
    ;;
  *)
AC_TRY_RUN([
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

int main()
{
  int8 i;
  return 0;
}
], AC_DEFINE(HAVE_INT_8_16_32) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])
)
    ;;
esac

#
# 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
    echo "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
    echo "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*)
    echo "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*)
    echo "Enabling getpass() workaround for SunOS"
    CFLAGS="$CFLAGS -DHAVE_BROKEN_GETPASS -DSOLARIS";
    ;;
  *hpux10.20*)
    echo "Enabling workarounds for hpux 10.20"
    CFLAGS="$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 
      echo "Using --with-named-thread=-lpthread"
      with_named_thread="-lcma"
    fi
    ;;
  *hpux11.*)
    echo "Enabling workarounds for hpux 11"
    CFLAGS="$CFLAGS -DHPUX11 -DHAVE_BROKEN_PREAD -DDONT_USE_FINITE -DHAVE_BROKEN_GETPASS -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
    CXXFLAGS="$CXXFLAGS -DHPUX11 -DHAVE_BROKEN_PREAD -DDONT_USE_FINITE -D_INCLUDE_LONGLONG -DNO_FCNTL_NONBLOCK -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
    if test "$with_named_thread" = "no"
    then 
      echo "Using --with-named-thread=-lpthread"
      with_named_thread="-lpthread"
    fi
    # Fixes for HPUX 11.0 compiler
    if test "$ac_cv_prog_gcc" = "no"
    then
      CFLAGS="$CFLAGS -DHAVE_BROKEN_INLINE"
      CXXFLAGS="$CXXFLAGS +O2"
      MAX_C_OPTIMIZE=""
      MAX_CXX_OPTIMIZE=""
    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_DARWIN_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="-DHAVE_DARWIN_THREADS -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DHAVE_BROKEN_REALPATH"
      CFLAGS="$CFLAGS $FLAGS"
      CXXFLAGS="$CXXFLAGS $FLAGS"
      MAX_C_OPTIMIZE="-O"
    fi
    ;;
  *darwin7*)
    if test "$ac_cv_prog_gcc" = "yes"
    then
      FLAGS="-DHAVE_DARWIN_THREADS -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ"
      CFLAGS="$CFLAGS $FLAGS"
      CXXFLAGS="$CXXFLAGS $FLAGS"
      MAX_C_OPTIMIZE="-O"
    fi
    ;;
  *freebsd*)
    echo "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="$CXXFLAGS -DMYSQLD_NET_RETRY_COUNT=1000000 -DHAVE_BROKEN_REALPATH"
    fi
    ;;
  *netbsd*)
    echo "Adding flag -Dunix"
    CFLAGS="$CFLAGS -Dunix"
    CXXFLAGS="$CXXFLAGS -Dunix"
    OVERRIDE_MT_LD_ADD="\$(top_srcdir)/mit-pthreads/obj/libpthread.a"
    ;;
  *bsdi*)
    echo "Adding fix for BSDI"
    CFLAGS="$CFLAGS -D__BSD__ -DHAVE_BROKEN_REALPATH"
    AC_DEFINE_UNQUOTED(SOCKOPT_OPTLEN_TYPE, size_t)
    ;;
   *sgi-irix6*)
    if test "$with_named_thread" = "no"
    then 
      echo "Using --with-named-thread=-lpthread"
      with_named_thread="-lpthread"
    fi
    CXXFLAGS="$CXXFLAGS -D_BOOL"
    ;;
    *aix4.3*)
      echo "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
	  echo "Adding defines for DEC OSF on alpha"
	  CFLAGS="$CFLAGS -mieee"
	  CXXFLAGS="$CXXFLAGS -mieee"
      fi
      echo "Adding defines for OSF1"
      # gethostbyname_r is deprecated and doesn't work ok on OSF1
      CFLAGS="$CFLAGS -DUNDEF_HAVE_GETHOSTBYNAME_R"
      CXXFLAGS="$CXXFLAGS -DUNDEF_HAVE_GETHOSTBYNAME_R"
    ;;
  *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 libmysql/Makefile.in libmysql_r/Makefile.in sql/share/Makefile.in strings/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="\$(bdb_libs_with_path) \$(innodb_libs) \$(pstack_libs) \$(innodb_system_libs) \$(openssl_libs)"
          cat > $filesed << EOF
s,\(^.*\$(MAKE) gen_lex_hash\),#\1,
s,\(\./gen_lex_hash\),\1.linux,
s%\(mysqld_DEPENDENCIES = \) %\1$lib_DEPENDENCIES %
EOF
          ;;
        sql/share/Makefile.in)
          cat > $filesed << EOF
s,\(extra/comp_err\),\1.linux,
EOF
          ;;
        libmysql/Makefile.in)
          cat > $filesed << EOF
s,\(\./conf_to_src\)\( \$(top_srcdir)\),\1.linux\2,
s,\(: conf_to_src\),\1.linux,
EOF
          ;;
        libmysql_r/Makefile.in)
          cat > $filesed << EOF
s,\(\./conf_to_src\)\( \$(top_srcdir)\),\1.linux\2,
s,\(: conf_to_src\),\1.linux,
EOF
          ;;
        strings/Makefile.in)
          cat > $filesed << EOF
s,\(\./conf_to_src\)\( \$(top_srcdir)\),\1.linux\2,
s,\(: conf_to_src\),\1.linux,
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/include.texi \
        Docs/mysql.info \
        Docs/manual.txt \
        Docs/manual_toc.html \
        Docs/manual.html \
        Docs/INSTALL-BINARY \
        INSTALL-SOURCE \
        COPYING \
        COPYING.LIB \
        MIRRORS
    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"
# Hack for DEC-UNIX (OSF1)
if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"
then
  # Look for LinuxThreads.
  AC_MSG_CHECKING("LinuxThreads")
    res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
    if test "$res" -gt 0
    then
      AC_MSG_RESULT("Found")
      AC_DEFINE(HAVE_LINUXTHREADS)
      # Linux 2.0 sanity check
      AC_TRY_COMPILE([#include <sched.h>], [int a = sched_get_priority_min(1);], ,
      AC_MSG_ERROR([Syntax error in sched.h. Change _P to __P in the /usr/include/sched.h file. See the Installation chapter in the Reference Manual]))
      # RedHat 5.0 does not work with dynamic linking of this. -static also
      # gives a speed increase in linux so it does not hurt on other systems.
      with_named_thread="-lpthread"
    else
      AC_MSG_RESULT("Not found")
      # If this is a linux machine we should barf
      if test "$IS_LINUX" = "true"
      then
	AC_MSG_ERROR([This is a linux system and Linuxthreads was not
found. On linux Linuxthreads should be used.  Please install Linuxthreads
(or a new glibc) and try again.  See the Installation chapter in the
Reference Manual for more information.])
      else
	AC_MSG_CHECKING("DEC threads")
        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)
	  AC_MSG_RESULT("yes")
	else
	  AC_MSG_RESULT("no")
	  AC_MSG_CHECKING("DEC 3.2 threads")
          if test -f /usr/shlib/libpthreads.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a
	  then
	    with_named_thread="-lpthreads -lmach -lc_r"
	    AC_DEFINE(HAVE_DEC_THREADS)
	    AC_DEFINE(HAVE_DEC_3_2_THREADS)
            with_osf32_threads="yes"
            MYSQLD_DEFAULT_SWITCHES="--skip-thread-priority"
	    AC_MSG_RESULT("yes")
	  else
	    AC_MSG_RESULT("no")
          fi
	fi
     fi
   fi
fi


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

      # 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 "$SYSTEM_TYPE" : ".*unixware7.0.0" > /dev/null
          then
            AC_DEFINE(HAVE_UNIXWARE7_THREADS)
          else
            AC_DEFINE(HAVE_UNIXWARE7_POSIX)
          fi
          AC_MSG_RESULT("yes")
          # We must have cc
          AC_MSG_CHECKING("for gcc")
          if expr "$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
          { echo "configure: error: Can't find thread libs on SCO UnixWare7. See the Installation chapter in the Reference Manual." 1>&2; exit 1; };
        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
# Hack for SCO UnixWare7
#
if test "$with_named_thread" = "no"
then
  AC_MSG_CHECKING("SCO UnixWare7 native threads")
  if expr "$SYSTEM_TYPE" : ".*UnixWare*" > /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)
      else
        AC_DEFINE(HAVE_UNIXWARE7_POSIX)
      fi
      # 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
      AC_MSG_RESULT("yes")
    else
      { echo "configure: error: Can't find thread libs on SCO UnixWare7. See the Installation chapter in the Reference Manual." 1>&2; exit 1; };
    fi
  else
    AC_MSG_RESULT("no")
  fi
fi

# Hack for Caldera OpenUNIX8
#
if test "$with_named_thread" = "no"
then
  AC_MSG_CHECKING("OpenUNIX8 native threads")
  if expr "$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 "$CC" : ".*gcc.*"
      then
          with_named_thread="-pthread -lsocket -lnsl"
      else
        with_named_thread="-Kthread -lsocket -lnsl"
      fi
      if expr "$SYSTEM_TYPE" : ".*unixware7.0.0" > /dev/null
      then
        AC_DEFINE(HAVE_UNIXWARE7_THREADS)
      else
        AC_DEFINE(HAVE_UNIXWARE7_POSIX)
      fi
      # 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
      AC_MSG_RESULT("yes")
    else
      { echo "configure: error: Can't find thread libs on Caldera OpenUNIX 8. See the Installation chapter in the Reference Manual." 1>&2; exit 1; };
    fi
  else
    AC_MSG_RESULT("no")
  fi
fi

# Hack for Siemens UNIX
if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"
then
  AC_MSG_CHECKING("Siemens threads")
  if test -f /usr/lib/libxnet.so -a "$SYSTEM_TYPE" = "sni-sysv4"
  then
    LIBS="-lxnet $LIBS"
    NON_THREADED_CLIENT_LIBS="$NON_THREADED_CLIENT_LIBS -lxnet"
    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 "$with_named_thread" = "no" -a "$with_mit_threads" = "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

TOOLS_LIBS="$NON_THREADED_CLIENT_LIBS"

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

# 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)

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

# Build optimized or debug version ?
# First check for gcc and g++
if test "$ac_cv_prog_gcc" = "yes"
then
  DEBUG_CFLAGS="-g"
  DEBUG_OPTIMIZE_CC="-O"
  OPTIMIZE_CFLAGS="$MAX_C_OPTIMIZE"
else
  DEBUG_CFLAGS="-g"
  DEBUG_OPTIMIZE_CC=""
  OPTIMIZE_CFLAGS="-O"
fi
if test "$ac_cv_prog_cxx_g" = "yes"
then
  DEBUG_CXXFLAGS="-g"
  DEBUG_OPTIMIZE_CXX="-O"
  OPTIMIZE_CXXFLAGS="$MAX_CXX_OPTIMIZE"
else
  DEBUG_CXXFLAGS="-g"
  DEBUG_OPTIMIZE_CXX=""
  OPTIMIZE_CXXFLAGS="-O"
fi

if expr "$SYSTEM_TYPE" : ".*netware.*" > /dev/null; then
  DEBUG_CFLAGS="$DEBUG_CFLAGS -DDEBUG -sym internal,codeview4"
  DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -DDEBUG -sym internal,codeview4"
  OPTIMIZE_CFLAGS="$OPTIMIZE_CFLAGS -DNDEBUG"
  OPTIMIZE_CXXFLAGS="$OPTIMIZE_CXXFLAGS -DNDEBUG"
fi

AC_ARG_WITH(debug,
    [  --without-debug         Build a production version without debugging code],
    [with_debug=$withval],
    [with_debug=no])
if test "$with_debug" = "yes"
then
  # Medium debug.
  CFLAGS="$DEBUG_CFLAGS $DEBUG_OPTIMIZE_CC -DDBUG_ON -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
  CFLAGS="$DEBUG_CFLAGS -DDBUG_ON -DSAFE_MUTEX -DSAFEMALLOC $CFLAGS"
  CXXFLAGS="$DEBUG_CXXFLAGS -DSAFE_MUTEX -DSAFEMALLOC $CXXFLAGS"
else
  # Optimized version. No debug
  CFLAGS="$OPTIMIZE_CFLAGS -DDBUG_OFF $CFLAGS"
  CXXFLAGS="$OPTIMIZE_CXXFLAGS -DDBUG_OFF $CXXFLAGS"
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(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 "$IS_LINUX" = "true" -a "$ac_cv_prog_gcc" = "yes" -a "$all_is_static" != "yes"
then
  LDFLAGS="$LDFLAGS -rdynamic"
  AC_MSG_RESULT("-rdynamic")
else
  AC_MSG_RESULT("none")
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
# 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 "$ac_cv_sizeof_char" -eq 0
then
  AC_MSG_ERROR([No size for char type.
A likely cause for this could be that there isn't any
static libraries installed. You can verify this by checking if you have libm.a
in /lib, /usr/lib or some other standard place.  If this is the problem,
install the static libraries and try again.  If this isn't the problem,
examine config.log for possible errors.  If you want to report this, use
'scripts/mysqlbug' and include at least the last 20 rows from config.log!])
fi
AC_CHECK_SIZEOF(char*, 4)
AC_CHECK_SIZEOF(int, 4)
if test "$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
MYSQL_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
# 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:
# 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 system files define ulong
MYSQL_CHECK_ULONG
# Do the system files define uchar
MYSQL_CHECK_UCHAR
# Do the system files define uint
MYSQL_CHECK_UINT
# Check for fp_except in ieeefp.h
MYSQL_CHECK_FP_EXCEPT
# Check for IN_ADDR_T
MYSQL_CHECK_IN_ADDR_T
# Do the c++ compiler have a bool type
MYSQL_CXX_BOOL
# Check some common bugs with gcc 2.8.# on sparc
if ! ( expr "$SYSTEM_TYPE" : ".*netware.*" > /dev/null ); then
MYSQL_CHECK_LONGLONG_TO_FLOAT
if test "$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
fi
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)

AC_CHECK_HEADERS(vis.h)
AC_CHECK_FUNCS(strlcat strlcpy)
AC_CHECK_FUNCS(issetugid)
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_TYPE_SIGHANDLER
if test "$with_named_curses" = "no"
then
  MYSQL_CHECK_LIB_TERMCAP
else
  TERMCAP_LIB="$with_named_curses"
fi
AC_SUBST(TERMCAP_LIB)

# 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_FUNCS(alarm bcmp bfill bmove bzero chsize cuserid fchmod fcntl \
  fconvert fdatasync finite fpresetsticky fpsetmask fsync ftruncate \
  getcwd gethostbyaddr_r gethostbyname_r getpass getpassphrase getpwnam \
  getpwuid getrlimit getrusage getwd gmtime_r index initgroups isnan \
  localtime_r locking longjmp lrand48 madvise mallinfo memcpy memmove \
  mkstemp mlockall perror poll pread pthread_attr_create clock_gettime \
  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 sighold sigset sigthreadmask \
  snprintf socket stpcpy strcasecmp strerror strnlen strpbrk strstr strtol \
  strtoll strtoul strtoull tell tempnam thr_setconcurrency vidattr)

# isinf() could be a function or a macro (HPUX)
AC_MSG_CHECKING(for isinf with <math.h>)
AC_TRY_LINK([#include <math.h>], [float f = 0.0; isinf(f)],
 AC_MSG_RESULT(yes) AC_DEFINE(HAVE_ISINF,,[isinf() macro or function]),
 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 "$large_file_support" = no -a "$IS_LINUX" = "true";
then
  AC_MSG_ERROR("Found fseeko symbol but large_file_support is not enabled!");
fi]
)

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

# 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

# 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
if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no"
then
  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed 's/-fbranch-probabilities//'`
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)
fi

#---START: Used in for client configure

# Check definition of gethostbyname_r (glibc2.0.100 is different from Solaris)
ac_save_CXXFLAGS="$CXXFLAGS"
AC_CACHE_CHECK([style of gethostname_r routines], mysql_cv_gethostname_style,
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no"
then
  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed 's/-fbranch-probabilities//'`
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_gethostname_style=glibc2, mysql_cv_gethostname_style=other))
AC_LANG_RESTORE
CXXFLAGS="$ac_save_CXXFLAGS"
if test "$mysql_cv_gethostname_style" = "glibc2"
then
  AC_DEFINE(HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE)
fi

# Check 3rd argument of getthostbyname_r
ac_save_CXXFLAGS="$CXXFLAGS"
AC_CACHE_CHECK([3 argument to gethostname_r routines], mysql_cv_gethostname_arg,
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
if test "$ac_cv_prog_gxx" = "yes" -a "$with_other_libc" = "no"
then
  CXXFLAGS=`echo "$CXXFLAGS -Werror" | sed 's/-fbranch-probabilities//'`
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_gethostname_arg=hostent_data, mysql_cv_gethostname_arg=char))
AC_LANG_RESTORE
CXXFLAGS="$ac_save_CXXFLAGS"
if test "$mysql_cv_gethostname_arg" = "hostent_data"
then
  AC_DEFINE(HAVE_GETHOSTBYNAME_R_RETURN_INT)
fi


if test "$with_mit_threads" = "no"
then
  # Check definition of pthread_getspecific
  AC_CACHE_CHECK("args to pthread_getspecific", mysql_cv_getspecific_args,
  AC_TRY_COMPILE(
[#if !defined(SCO) && !defined(__osf__) && !defined(_REENTRANT)
#define _REENTRANT
#endif
#define _POSIX_PTHREAD_SEMANTICS 
#include <pthread.h> ],
[ void *pthread_getspecific(pthread_key_t key);
pthread_getspecific((pthread_key_t) NULL); ],
mysql_cv_getspecific_args=POSIX, mysql_cv_getspecific_args=other))
  if test "$mysql_cv_getspecific_args" = "other"
  then
    AC_DEFINE(HAVE_NONPOSIX_PTHREAD_GETSPECIFIC)
  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)
  fi
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)
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)
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)
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)
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 "$netinet_inc" = "no"
then
  AC_DEFINE(HAVE_BROKEN_NETINET_INCLUDES)
fi
AC_MSG_RESULT("$netinet_inc")

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

# Output results
AC_OUTPUT(Makefile dnl
 , , [
  test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
 ])