~drizzle-trunk/drizzle/development

dnl -*- ksh -*-

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

AC_PREREQ(2.61)dnl		Minimum Autoconf version required.

AC_INIT

AC_CONFIG_SRCDIR([sql/drizzled.cc])

AC_CONFIG_AUX_DIR(config)

AC_CONFIG_HEADERS([include/config.h:config.h.in])

AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE(drizzle, 7.0.0, no-define)

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

# 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

#  MYSQL_NO_DASH_VERSION    5.1.40sp1           5.0.34a

#  MYSQL_NUMERIC_VERSION    5.1.40              5.0.34

#  MYSQL_BASE_VERSION       5.1                 5.0

#  MYSQL_VERSION_ID         50140               50034

#

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}'`

# The port should be constant for a LONG time

MYSQL_TCP_PORT_DEFAULT=3306

dnl Include 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/dtrace.m4)

sinclude(config/ac-macros/plugins.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)

# 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_NO_DASH_VERSION)

AC_SUBST(MYSQL_BASE_VERSION)

AC_SUBST(MYSQL_VERSION_ID)

AC_SUBST(MYSQL_PREVIOUS_BASE_VERSION)

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)

# Canonicalize the configuration name.

# Check whether --with-system-type or --without-system-type was given.

AC_ARG_WITH([system-type],

    [AS_HELP_STRING([--with-system-type],

       [Set the system type, like "sun-solaris10"])],

    [SYSTEM_TYPE="$withval"],

    [SYSTEM_TYPE="$host_vendor-$host_os"])

AC_ARG_WITH([machine-type],

    [AS_HELP_STRING([--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)

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

##############################################################################

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

AM_PROG_CC_C_O

# 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

if test "$ac_cv_c_compiler_gnu" = "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

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_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

  *solaris*)

    TARGET_SOLARIS="true"

    AC_DEFINE([TARGET_OS_SOLARIS], [1], [Whether we are building for Solaris])

    AC_SUBST(TARGET_SOLARIS)

  ;;

esac

# The following is required for portable results of floating point calculations

# on PowerPC. The same must also be done for IA-64, but this options is missing

# in the IA-64 gcc backend.

if test "$GCC" = "yes"

then

  case "$host_cpu" in

    *ppc* | *powerpc*)

      CFLAGS="$CFLAGS -mno-fused-madd"

      CXXFLAGS="$CXXFLAGS -mno-fused-madd"

    ;;

  esac

fi

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 ${GCC_WARNINGS} -fno-implicit-templates -fno-exceptions -fno-rtti"

  CFLAGS="$CFLAGS ${GCC_WARNINGS} "

  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 -q GNU; then

  LD_VERSION_SCRIPT="-Wl,--version-script=\$(top_builddir)/libdrizzle/libdrizzle.ver"

  AC_CONFIG_FILES(libdrizzle/libdrizzle.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)

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)

# icheck, used for ABI check

AC_PATH_PROG(ICHECK, icheck, no)

# "icheck" is also the name of a file system check program on Tru64.

# Verify the program found is really the interface checker.

if test "x$ICHECK" != "xno"

then

  AC_MSG_CHECKING(if $ICHECK works as expected)

  echo "int foo;" > conftest.h

  $ICHECK --canonify -o conftest.ic conftest.h 2>/dev/null

  if test -f "conftest.ic"

  then

    AC_MSG_RESULT(yes)

  else

    AC_MSG_RESULT(no)

    ICHECK=no

  fi

  rm -f conftest.ic conftest.h

fi

AC_SUBST(ICHECK)

# 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 `echo $0 | sed s/\-//` > /dev/null

then

  FIND_PROC="$PS p \$\$PID | grep -v grep | 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 \$\$MYSQLD > /dev/null"

# BSD style

elif $PS -uaxww 2> /dev/null | grep $0 > /dev/null

then

  FIND_PROC="$PS -uaxww | grep -v grep | 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 \$\$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 \$\$MYSQLD > /dev/null"

else

  case $SYSTEM_TYPE in

    *freebsd*|*dragonfly*)

      FIND_PROC="$PS p \$\$PID | grep -v grep | grep \$\$MYSQLD > /dev/null"

      ;;

    *darwin*)

      FIND_PROC="$PS -uaxww | grep -v grep | grep \$\$MYSQLD | grep \" \$\$PID \" > /dev/null"

      ;;

    *)

      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 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([Drizzle requires an ANSI C compiler (and a C++ compiler). Try gcc. See the Installation chapter in the Reference Manual.])

fi

AC_ARG_WITH([server-suffix],

    [AS_HELP_STRING([--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)

# Force use of a curses libs

AC_ARG_WITH([named-curses-libs],

    [AS_HELP_STRING([--with-named-curses-libs=ARG],

            [Use specified curses libraries instead of those

		automatically found by configure.])],

    [ with_named_curses=$withval ],

    [ with_named_curses=no ]

    )

# compile with strings functions in assembler

AC_ARG_ENABLE([assembler],

    [AS_HELP_STRING([--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])],

    [ ENABLED_PROFILING=$enableval ],

    [ ENABLED_PROFILING=no ])

if test "$ENABLED_PROFILING" = "yes"

then

  AC_DEFINE([ENABLED_PROFILING], [1],

            [If SHOW PROFILE should be enabled])

  AC_MSG_RESULT([yes]) 

else

  AC_MSG_RESULT([no])

fi

AC_ARG_WITH([tcp-port],

    [AS_HELP_STRING([--with-tcp-port=port-number],

            [Which port to use for Drizzle 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],

    [AS_HELP_STRING([--with-mysqld-user=username],

            [What user the mysqld daemon shall be run as.

		@<:@default=mysql@:>@])],

    [ 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

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_HEADER_STDBOOL

AC_CHECK_HEADERS(fcntl.h float.h fpu_control.h ieeefp.h)

AC_CHECK_HEADERS(limits.h pwd.h select.h linux/config.h)

AC_CHECK_HEADERS(sys/fpu.h utime.h sys/utime.h )

AC_CHECK_HEADERS(synch.h sys/mman.h sys/socket.h netinet/in.h arpa/inet.h)

AC_CHECK_HEADERS(sys/timeb.h ys/un.h sys/vadvise.h sys/wait.h term.h)

AC_CHECK_HEADERS(termio.h termios.h sched.h crypt.h alloca.h)

AC_CHECK_HEADERS(sys/ioctl.h malloc.h sys/malloc.h sys/ipc.h sys/shm.h)

AC_CHECK_HEADERS(sys/prctl.h sys/resource.h sys/param.h port.h ieeefp.h)

AC_CHECK_HEADERS(execinfo.h)

AC_CHECK_HEADERS([xfs/xfs.h])

#--------------------------------------------------------------------

# Check for libevent

#--------------------------------------------------------------------

AC_CHECK_LIB(event, event_loop, [], [AC_MSG_ERROR(could not find libevent)])

#--------------------------------------------------------------------

# Check for libpthread

#--------------------------------------------------------------------

AC_CHECK_LIB(pthread, pthread_create, [], [AC_MSG_ERROR(could not find libpthread)])

#--------------------------------------------------------------------

# Check for libpcre

#--------------------------------------------------------------------

AC_PATH_PROG(PKG_CONFIG, pkg-config, AC_MSG_ERROR([pkg-config wasn't found.]))

PKG_CHECK_MODULES(PCRE, [libpcrecpp >= 3], [found_pcre="yes"],[

  AC_CHECK_LIB(pcrecpp, [DoMatch], [found_pcre="no"])

  AC_CHECK_HEADERS(pcrecpp.h)

  if test "x$ac_cv_header_prcecpp_h" = "xno" 

  then

    found_pcre="no"

  fi

  ])

if test "x$found_pcre" != "xyes"

then

    AC_MSG_ERROR([Couldn't find pcrecpp.h. Try installing the development package associated with libpcre on your system.])

fi

AC_SUBST(PCRE_LIBS)

AC_SUBST(PCRE_CFLAGS)

#--------------------------------------------------------------------

# 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_FUNCS(log2)

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))

# Check if crypt() exists in libc or libcrypt, sets LIBS if needed

AC_SEARCH_LIBS(crypt, crypt, AC_DEFINE(HAVE_CRYPT, 1, [crypt]))

# Check rt for aio_read

AC_CHECK_LIB(rt, aio_read)

# For the sched_yield() function on Solaris

AC_CHECK_FUNC(sched_yield, , AC_CHECK_LIB(posix4, sched_yield,

[AC_DEFINE(HAVE_SCHED_YIELD) LIBS="$LIBS -lposix4"]))

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

AC_CHECK_TYPES([int8, uint8, int16, uint16, int32, uint32, int64, uint64,

                uchar, uint, ulong],[],[], [

#include <sys/types.h>

])

AC_CHECK_TYPES([fp_except], [], [], [

#include <sys/types.h>

#include <ieeefp.h>

])

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"

AC_CHECK_FUNCS(strtok_r)

# Build optimized or debug version ?

# First check for gcc and g++

if test "$ac_cv_c_compiler_gnu" = "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 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

AC_ARG_WITH([debug],

    [AS_HELP_STRING([--with-debug],

            [Add debug code (yes|no|full) @<:@default=no@:>@ 

	    Full adds memory checked, very slow.])],

    [with_debug=$withval],

    [with_debug=no])

AM_CONDITIONAL(BUILD_DBUG, test "$with_debug" != "no")

if test "$with_debug" = "yes"

then

  # Medium debug.

  AC_DEFINE([DBUG_ON], [1], [Use libdbug])

  CFLAGS="$DEBUG_CFLAGS $DEBUG_OPTIMIZE_CC $CFLAGS"

  CXXFLAGS="$DEBUG_CXXFLAGS $DEBUG_OPTIMIZE_CXX $CXXFLAGS"

elif test "$with_debug" = "full"

then

  # Full debug. Very slow in some cases

  AC_DEFINE([DBUG_ON], [1], [Use libdbug])

  CFLAGS="$DEBUG_CFLAGS $CFLAGS"

  CXXFLAGS="$DEBUG_CXXFLAGS $CXXFLAGS"

else

  # Optimized version. No debug

  AC_DEFINE([DBUG_OFF], [1], [Dont use libdbug])

  CFLAGS="$OPTIMIZE_CFLAGS $CFLAGS"

  CXXFLAGS="$OPTIMIZE_CXXFLAGS $CXXFLAGS"

fi

# If we should allow error injection tests

AC_ARG_WITH([error-inject],

    [AS_HELP_STRING([--with-error-inject],

	    [Enable error injection in Drizzle Server @<:@default=off@:>@])],

    [ 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 Drizzle Server])

  fi

fi

AC_ARG_WITH([fast-mutexes],

    [AS_HELP_STRING([--with-fast-mutexes],

	    [Compile with fast mutexes  @<:@default=off@:>@])],

    [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([comment],

    [AS_HELP_STRING([--with-comment],

            [Comment about compilation environment. @<:@default=off@:>@])],