dnl
dnl Binary distribution configure script
dnl
#!/bin/sh
#

# Is it there?
AC_INIT(Makefile.in)

#
# First off, what system are we running under?
#
AC_CANONICAL_SYSTEM

dnl ** canonicalize platform names
# Canonicali[sz]e the platform name
TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1

#
# The following will be more difficult when we *are* cross-compiling.
# Suitable names to slam in *_CPP are in platform.h.in.
# We also record the architecture, vendor, and operating system (OS)
# separately.
case $TargetPlatform in
alpha-dec-osf[[1234]]*)
	TargetPlatform=alpha-dec-osf1;;
hppa1.1-hp-hpux*)
	TargetPlatform=hppa1.1-hp-hpux;;
i[[3456]]86-*-linuxaout*)
	TargetPlatform=i386-unknown-linuxaout;;
i[[3456]]86-*-linux*)
	TargetPlatform=i386-unknown-linux;;
i[[3456]]86-*-freebsd*)
	TargetPlatform=i386-unknown-freebsd;;
i[[3456]]86-*-netbsd*)
	TargetPlatform=i386-unknown-netbsd;;
i[[3456]]86-*-solaris2*)
	TargetPlatform=i386-unknown-solaris2;;
i[[3456]]86-*-cygwin32*)
	TargetPlatform=i386-unknown-cygwin32;;
m68k-next-nextstep2)
	TargetPlatform=m68k-next-nextstep2;;
m68k-next-nextstep3)
	TargetPlatform=m68k-next-nextstep3;;
i[[3456]]86-next-nextstep3)
	TargetPlatform=i386-next-nextstep3;;
m68k-sun-sunos4*)
	TargetPlatform=m68k-sun-sunos4;;
mips-dec-ultrix*)
        TargetPlaformP=mips-dec-ultrix;;
mips-sgi-irix*)
	TargetPlatform=mips-sgi-irix;;
powerpc-ibm-aix*)
	TargetPlatform=powerpc-ibm-aix;;
rs6000-ibm-aix*)
	TargetPlatform=rs6000-ibm-aix;;
sparc-sun-sunos4*)
	TargetPlatform=sparc-sun-sunos4;;
sparc-sun-solaris2*)
	TargetPlatform=sparc-sun-solaris2;;
*)
        echo "Unrecognised platform: $TargetPlatform"
        exit 1
        ;;
esac
echo "Which we'll further canonicalise into: $TargetPlatform"

AC_SUBST(TargetPlatform)

AC_CHECK_PROG(PerlCmd,perl,$ac_dir/$ac_word)
if test -z "$PerlCmd"; then
    echo "You must install perl before you can continue"
    echo "Perhaps it is already installed, but not in your PATH?"
    echo ""
    echo "Continuing, assuming perl will be available as: perl"
fi
#
dnl ** does #!.../perl work? (sometimes it's too long...)
echo "checking if \`#!$PerlCmd' works in shell scripts"
echo "#!$PerlCmd"'
exit $1;
' > conftest
chmod u+x conftest
(SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
if test $? -ne 69; then
   echo "It does!"
else
   echo "It doesn't!  Perhaps \`#!$PerlCmd' is too long (often 32 characters max)"
   exit 1
fi
rm -f conftest

#
dnl ** figure out how to do a BSD-ish install **
#
AC_PROG_INSTALL

#
dnl ** how to do symlinks **
#
AC_PROG_LN_S()

#
dnl ** Find the path to sed **
#
AC_PATH_PROG(SedCmd,sed)

#
dnl ** How to invoke cpp directly **
#
AC_PROG_CC
AC_HAVE_GCC
AC_PROG_CPP
AC_PROG_GNUCPP

#
AC_OUTPUT(Makefile)

echo "**************************************************"
echo "Configuration done, ready to either 'make install'"
echo "or 'make in-place'."
echo "(see README and INSTALL files for more info.)"
echo "**************************************************"
