dnl Process this file with autoconf to produce a configure script.
AC_INIT(backend/access/common/heaptuple.c)
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';;
*) echo ""
   echo "*************************************************************"
   echo "configure does not currently recognize your operating system,"
   echo "therefore you must do a manual configuration of:"
   echo ""
   echo "Please contact scrappy@hub.org to see about rectifying this, "
   echo "including the above 'checking host system type...' line "
   echo "*************************************************************"
   echo ""
   exit;;
esac
AC_LINK_FILES(port/${PORTNAME}.h, include/os.h)
AC_SUBST(PORTNAME)
AC_SUBST(LDFLAGS)
AC_SUBST(CPPFLAGS)

AC_CONFIG_HEADER(include/config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP

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(ipcs, ipcs)
AC_PATH_PROG(ipcrm, ipcrm)

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)

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(readline.h history.h dld.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)
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_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_OUTPUT(GNUmakefile Makefile.global backend/port/Makefile bin/psql/Makefile bin/pg_dump/Makefile) 
