dnl Process this file with autoconf to produce a configure script.
AC_REVISION($Revision: 1.7 $)dnl

AC_INIT(redblack.c)

REDBLACK_MAJOR_VERSION=1
REDBLACK_MINOR_VERSION=3
REDBLACK_VERSION=$REDBLACK_MAJOR_VERSION.$REDBLACK_MINOR_VERSION

dnl Library version info
dnl This should be one more than REDBLACK_MAJOR_VERSION
dnl incremented each time there is a major change to the interface
REDBLACK_LIB_CURRENT=2

dnl This should be set to zero everytime we DELETE from the interface
dnl It should be incremented every time we ADD to the interface
REDBLACK_LIB_AGE=2

dnl This should be incremented with every source code change
REDBLACK_LIB_REVISION=$REDBLACK_MINOR_VERSION

# For automake.
VERSION=$REDBLACK_VERSION
PACKAGE=libredblack

dnl Initialize the automake stuff
AM_INIT_AUTOMAKE($PACKAGE, $VERSION)

AC_SUBST(REDBLACK_LIB_CURRENT)
AC_SUBST(REDBLACK_LIB_REVISION)
AC_SUBST(REDBLACK_LIB_AGE)

AC_SUBST(REDBLACK_VERSION)

AM_CONFIG_HEADER(config.h)

output_files="Makefile libredblack.spec"

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL

# --with-rbgen
AC_ARG_WITH(rbgen,
	[  --with-rbgen                   Enable RB Code Generator (needs python)],
	[], [with_rbgen=yes]
)

if test "$with_rbgen" = "yes"; then
  # --with-python=PATH
  AC_ARG_WITH(python,
	[  --with-python=PATH             Specify path to Python interpretor],
	[PATH_PYTHON_PROG="$withval"],
	[AC_PATH_PROGS(PATH_PYTHON_PROG, python python2.4 python2.3 python2.2 \
		python2.1 python2.0 python1.6 python1.5 python1.4, false)]
  )
  if test "$PATH_PYTHON_PROG" = false
  then
	with_rbgen=no
  fi
fi

dnl Initialize libtool
AM_PROG_LIBTOOL

dnl Checks for libraries.

dnl Checks for header files.
AC_HEADER_STDC

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

dnl Checks for library functions.
AC_CHECK_FUNCS(strdup)

AM_CONDITIONAL(USE_RBGEN, test "$with_rbgen" = "yes")

AC_OUTPUT(Makefile libredblack.spec rbgen, [chmod a+x rbgen])