dnl Process this file with autoconf to produce a configure script.
AC_INIT(backend/access/common/heaptuple.c)
AC_PREFIX_DEFAULT(/usr/local/pgsql)

AC_CANONICAL_HOST
case "$host_os" in
 solaris*)
        case "$host_cpu" in
          sparc) PORTNAME='sparc_solaris' ;;
           i386) PORTNAME='i386_solaris' ;;
        esac ;;
   sunos*) PORTNAME='sunos4' ;;
   linux*) PORTNAME='linux' ;;
    bsdi*) PORTNAME='bsdi' ;;
 freebsd*|netbsd*) PORTNAME='BSD44_derived';;
    dgux*) PORTNAME='dgux';;
     aix*) PORTNAME='aix';;
nextstep*) PORTNAME='nextstep';;
  ultrix*) PORTNAME='ultrix4';;
    irix*) PORTNAME='irix5';;
    hpux*) PORTNAME='hpux';;
     osf*) PORTNAME='alpha'
           TR="trbsd";;
 sysv4.2*) 
       case "$host_vendor" in
               univel) PORTNAME='univel';;
                    *) PORTNAME='unknown';;
       esac ;;
*) echo ""
   echo "*************************************************************"
   echo "configure does not currently recognize your operating system,"
   echo "therefore you must do a manual configuration of:"
   echo "$host_os"
   echo "Please contact scrappy@hub.org to see about rectifying this, "
   echo "including the above 'checking host system type...' line "
   echo "*************************************************************"
   echo ""
   exit;;
esac

echo "checking echo setting..."
if echo '\c' | grep -s c >/dev/null 2>&1
then
	ECHO_N="echo -n"
	ECHO_C=""
else
	ECHO_N="echo"
	ECHO_C='\c'
fi

cat <<EOT
**************************************************************
	PostreSQL v6.1 Installation Program

Welcome to the new improved PostgreSQL installation program.
This configuration program is for version 6.1alpha of the
PostgreSQL software.

EOT

dnl this part selects the template from the one in the
dnl template directory. 

if test "X$with_template" != "X"
then
	TEMPLATE=template/$with_template
else
	TEMPLATE=DO_NOT_CHANGE_THIS_INVALID_FILENAME
fi
export TEMPLATE

if test ! -f $TEMPLATE
then
	cat <<EOT
Please select a template from the ones listed below.  If no
template is available, then select the 'generic' one and
consider emailling scrappy@hub.org with the above line which
starts 'checking host system type...'
**************************************************************
EOT
	TEMPLATE=generic
	GUESS=`grep $host_os template/.similar 2>/dev/null`
	if test $GUESS
	then
		TEMPLATE=`echo $GUESS | sed 's/.*=//'`
	fi
	export TEMPLATE
	ls template
	echo "**************************************************************"
	$ECHO_N "Appropriate template file { $TEMPLATE }: $ECHO_C"
	read a
	if test "$a." != "."
	then
		TEMPLATE=$a
	fi
	if test ! -f template/$TEMPLATE
	then
		echo "You must choose an appropriate template file."
		exit
	fi
	TEMPLATE=template/$TEMPLATE export TEMPLATE
fi

AROPT=`grep AROPT $TEMPLATE | awk -F: '{print $2}'`
SHARED_LIB=`grep SHARED_LIB $TEMPLATE | awk -F: '{print $2}'`
CFLAGS=`grep CFLAGS $TEMPLATE | awk -F: '{print $2}'`
SRCH_INC=`grep SRCH_INC $TEMPLATE | awk -F: '{print $2}'`
SRCH_LIB=`grep SRCH_LIB $TEMPLATE | awk -F: '{print $2}'`
USE_LOCALE=`grep USE_LOCALE $TEMPLATE | awk -F: '{print $2}'`
DLSUFFIX=`grep DLSUFFIX $TEMPLATE | awk -F: '{print $2}'`
DL_LIB=`grep DL_LIB $TEMPLATE | awk -F: '{print $2}'`
YACC=`grep YACC $TEMPLATE | awk -F: '{print $2}'`
YFLAGS=`grep YFLAGS $TEMPLATE | awk -F: '{print $2}'`

export AROPT SHARED_LIB CFLAGS SRCH_INC SRCH_LIB USE_LOCALE DLSUFFIX
export DL_LIB YACC YFLAGS


dnl We now need to check for additional directories (include
dnl and library directories.
echo "**************************************************************"
echo "We now need to know if your compiler needs to search any
echo "additional directories for include or library files.  If
echo "you don't know the answers to these questions, then just
echo "hit enter and we will try and figure it out.  If things
echo "don't compile because of missing libraries or include
echo "files, then you probably need to enter something here.
echo ""
$ECHO_N "Additional directories to search for include files { none }: $ECHO_C"
read a
if test "$a." != "." 
then
	SRCH_INC=$a
	CPPFLAGS=`echo "$SRCH_INC" | sed 's@  *@ @g; s@^\([^ ]\)@-I\1@; s@ \([^ ]\)@ -I\1@g'`
else
	SRCH_INC=
	CPPFLAGS=
fi
export SRCH_INC CPPFLAGS

$ECHO_N "Additional directories to search for library files { none }: $ECHO_C"
read a
if test "$a." != "."
then
	SRCH_LIB=$a
	LDFLAGS=`echo "$SRCH_LIB" | sed 's@  *@ @g; s@^\([^ ]\)@-L\1@; s@ \([^ ]\)@ -L\1@g'`
else
	SRCH_LIB=
	LDFLAGS=
fi
export SRCH_LIB LDFLAGS
echo "**************************************************************"

dnl We have read the default value of USE_LOCALE from the template 
dnl file.  We have a further option of using 
dnl	--disable locale	to explicitly disable it 
dnl	--enable locale		to explicitly enable it 
dnl If you do not explicitly do it, it asks you here.
dnl We need some explanatory text here.
if test "$enable_locale" = "yes" -o "$enable_locale" = "no"
then
	USE_LOCALE=$enable_locale
else
	echo "Do you wish to enable LOCALE to get PostgreSQL to work with"
	$ECHO_N "national characters { $USE_LOCALE }: $ECHO_C"
	read a
	if test "$a" = "yes"
	then
		USE_LOCALE=yes
	else
		USE_LOCALE=no
	fi
	echo "**************************************************************"
fi
export USE_LOCALE

dnl We use the default value of 5432 for the DEF_PGPORT value.  If
dnl we over-ride it with --with pgport=port then we bypass this piece
dnl otherwise we ask.
if test "X$with_pgport" != "X"
then
	DEF_PGPORT=$with_pgport
else
	echo "By default, the PostgreSQL postmaster listens on port 5432.  This"
	echo "can be overriden by command options, environment variables and the"
	echo "postconfig hook."
	echo ""
	$ECHO_N "Which port should the postmaster listen to by default { 5432 }: $ECHO_C"
	read a
	if test "X$a" != "X"
	then
		DEF_PGPORT=$a
	else
		DEF_PGPORT=5432
	fi
	echo "**************************************************************"
fi
export DEF_PGPORT

dnl Unless we specify the command line options
dnl	--disable hba		to explicitly disable it 
dnl	--enable hba		to explicitly enable it 
dnl If you do not explicitly do it, it asks you here.
dnl We need some explanatory text here.
if test "$enable_hba" = "yes" 
then
	NOHBA=no
elif test "$enable_hba" = "no"
then
	NOHBA=yes
else
	echo "Host Based Authentication (HBA) allows you to limit access"
	echo "to databases on a per-host basis."
	$ECHO_N "Disable Host Based Authentication { no }: $ECHO_C"
	read a
	if test "$a" = "yes"
	then
		NOHBA=yes
	else
		NOHBA=no
	fi
	echo "**************************************************************"
fi
export NOHBA

AC_CONFIG_HEADER(include/config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP

AC_LINK_FILES(port/${PORTNAME}.h, include/os.h)
AC_SUBST(PORTNAME)
AC_SUBST(TR)
AC_SUBST(LDFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(AROPT)
AC_SUBST(SHARED_LIB)
AC_SUBST(CFLAGS)
AC_SUBST(DLSUFFIX)
AC_SUBST(DL_LIB)

dnl ****************************************************************
dnl Hold off on the C++ stuff until we can figure out why it doesn't 
dnl work under Solaris..
dnl
dnl AC_PROG_CXX
dnl
dnl Check if we should set   Have_Cplusplus
dnl if test -n "$CXX"; then
dnl   export HAVECXX
dnl   HAVECXX='HAVE_Cplusplus=true'
dnl fi
dnl AC_SUBST(HAVECXX)
dnl ****************************************************************
HAVECXX='HAVE_Cplusplus=false'
AC_SUBST(HAVECXX)

dnl AC_PROG_INSTALL was broken on my machine (NAT), so here's an
dnl alternative, built from the various portname options
AC_PATH_PROG(INSTALL, install, /usr/bin:/usr/ucb:/home/tools/bin)
AC_PATH_PROG(BSDINST, bsdinst, /usr/bin/X11:/usr/X11R6/bin:/sbin)
  INSTLOPTS="-m 444"
  INSTL_EXE_OPTS="-m 555"
  INSTL_LIB_OPTS="-m 664"
if test -n "$INSTALL"; then
  INSTLOPTS="-c $INSTLOPTS"
  INSTL_EXE_OPTS="-c $INSTL_EXE_OPTS"
  INSTL_LIB_OPTS="-c $INSTL_LIB_OPTS"
else
  INSTALL=$BSDINST
fi
AC_SUBST(INSTALL)
AC_SUBST(INSTLOPTS)
AC_SUBST(INSTL_LIB_OPTS)
AC_SUBST(INSTL_EXE_OPTS)

dnl Check the option to echo to inhibit newlines.
ECHO_N_OUT=`echo -n "" | wc -c`
ECHO_C_OUT=`echo "\c" | wc -c`
if test "$ECHO_N_OUT" -eq 0; then
  DASH_N='-n'
  BACKSLASH_C=
else
  if test "ECHO_C_OUT" -eq 0; then
    DASH_N=
    BACKSLASH_C='\\\\c'
  else
    AC_MSG_ERROR("echo behaviour undetermined")
  fi
fi
AC_SUBST(DASH_N)
AC_SUBST(BACKSLASH_C)

AC_PROG_LEX
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_PATH_PROG(find, find)
AC_PATH_PROG(tar, tar)
AC_PATH_PROG(split, split)
AC_PATH_PROG(etags, etags)
AC_PATH_PROG(xargs, xargs)
AC_PATH_PROG(tr, tr)
AC_PATH_PROG(ipcs, ipcs)
AC_PATH_PROG(ipcrm, ipcrm)

dnl Changes to look for YACC.  We have three choices (in order of pref.)
dnl (1) We specify in YACC and YFLAGS what we want
dnl (2) We have bison and we use bison -y
dnl (3) We have yacc and use it

AC_SUBST(YACC)
AC_SUBST(YFLAGS)
AC_PATH_PROG(yacc, yacc)
AC_PATH_PROG(bison, bison)
if test -f "$YACC" 
then
	echo "- Using $YACC $YFLAGS"
elif test -f "$bison"
then
	echo "- Using $bison -y $YFLAGS"
	YACC="$bison"
	YFLAGS="-y $YFLAGS"
	export YACC YFLAGS
else
	echo "- Using $yacc $YFLAGS"
	YACC="$yacc"
	export YACC
fi

AC_CHECK_LIB(curses,   main)
AC_CHECK_LIB(termcap,  main)
AC_CHECK_LIB(history,  main)
AC_CHECK_LIB(readline, main)
AC_CHECK_LIB(readline, write_history, AC_DEFINE(HAVE_HISTORY))
AC_CHECK_LIB(m,        main)
AC_CHECK_LIB(dl,       main)
AC_CHECK_LIB(socket,   main)
AC_CHECK_LIB(nsl,      main)
AC_CHECK_LIB(ipc,      main)
AC_CHECK_LIB(IPC,      main)
AC_CHECK_LIB(lc,       main)
AC_CHECK_LIB(dld,      main)
AC_CHECK_LIB(ln,       main)
AC_CHECK_LIB(bsd,      main)
AC_CHECK_LIB(ld,       main)
AC_CHECK_LIB(compat,   main)
AC_CHECK_LIB(BSD,      main)
AC_CHECK_LIB(crypt,      main)
AC_CHECK_LIB(gen,      main)

dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(limits.h unistd.h termios.h values.h sys/select.h)
AC_CHECK_HEADERS(sys/resource.h)
AC_CHECK_HEADERS(readline.h history.h dld.h crypt.h endian.h float.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_C_INLINE
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

dnl Check for any "odd" conditions
AC_MSG_CHECKING(for int timezone)
AC_TRY_LINK([#include <time.h>], 
            [int res = timezone / 60; ], 
            [AC_DEFINE(HAVE_INT_TIMEZONE) AC_MSG_RESULT(yes)],
            AC_MSG_RESULT(no))

AC_MSG_CHECKING(for union semun)
AC_TRY_LINK([#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>],
            [union semun semun;],
            [AC_DEFINE(HAVE_UNION_SEMUN) AC_MSG_RESULT(yes)],
            AC_MSG_RESULT(no))

dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(isinf tzset getrusage vfork memmove sigsetjmp kill sysconf)
AC_CHECK_FUNCS(sigprocmask waitpid setsid random)
AC_CHECK_FUNC(inet_aton, AC_DEFINE(HAVE_INET_ATON), INET_ATON='inet_aton.o')
AC_CHECK_FUNC(strerror, AC_DEFINE(HAVE_STRERROR), STRERROR='strerror.o')
AC_CHECK_FUNC(strdup, AC_DEFINE(HAVE_STRDUP), STRDUP='../../utils/strdup.o')
AC_SUBST(STRDUP)
AC_SUBST(INET_ATON)
AC_SUBST(STRERROR)
AC_CHECK_FUNC(cbrt, AC_DEFINE(HAVE_CBRT), AC_CHECK_LIB(m, cbrt, AC_DEFINE(HAVE_CBRT)))
AC_CHECK_FUNC(rint, AC_DEFINE(HAVE_RINT), AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT)))

AC_MSG_CHECKING(setting USE_LOCALE)
if test "$USE_LOCALE" = "yes"
then
	AC_MSG_RESULT(enabled)
	AC_DEFINE(USE_LOCALE)
else
	AC_MSG_RESULT(disabled)
fi
AC_MSG_CHECKING(setting DEF_PGPORT)
AC_DEFINE_UNQUOTED(DEF_PGPORT, "${DEF_PGPORT}")
AC_MSG_RESULT($DEF_PGPORT)
AC_MSG_CHECKING(setting HBA)
if test "$NOHBA" = "no"
then
        AC_MSG_RESULT(enabled)
        AC_DEFINE(HBA)
else
        AC_MSG_RESULT(disabled)
fi 


AC_OUTPUT(GNUmakefile Makefile.global backend/port/Makefile bin/psql/Makefile bin/pg_dump/Makefile backend/utils/Gen_fmgrtab.sh)