configure.ac

# check required autoconf version
AC_PREREQ([2.59])

# define distribution properties
AC_INIT([hclib], [0.1], [vc8@rice.edu])

# check if srcdir is correct
AC_CONFIG_SRCDIR([inc/hclib.h])

AC_CONFIG_AUX_DIR([config])

AM_INIT_AUTOMAKE([1.9 tar-ustar no-define foreign dist-bzip2])

AC_COPYRIGHT([])

# configure script revision
AC_REVISION([$Revision: 0.1 $])

AC_PROG_CC
AC_PROG_LIBTOOL
AC_LANG(C)


#
# CRT-related setup
#

AC_ARG_ENABLE([crt], [--enable-crt  Use custom runtime (crt)],
[case "${enableval}" in
  yes) crt=true ;;
  no)  crt=false ;;
  *) AC_MSG_ERROR([bad value ${enableval} for --enable-crt]) ;;
esac],[crt=false])

AM_CONDITIONAL([CRT_ENABLED], [test x$crt = xtrue])


#
# OCR-related setup
#

# AM_CONDITIONAL([OCR_ENABLED], [test x$OCR_INSTALL != x])

AC_ARG_WITH([ocr], [AS_HELP_STRING([--with-ocr], [defines the root directory of an ocr installation.])], [OCR_INSTALL=$withval], [])

AS_IF([test "x$OCR_INSTALL" != x],
  [
  AM_CONDITIONAL([OCR_ENABLED], true)
  OCR_CPPFLAGS="-I$OCR_INSTALL/include"
  OCR_LDFLAGS="-L$OCR_INSTALL/lib"
  OCR_LIBS="-locr"

  CPPFLAGS_BACKUP=$CPPFLAGS
  CPPFLAGS="$CPPFLAGS $OCR_CPPFLAGS"
  AC_CHECK_HEADERS([ocr.h], [], [AC_MSG_ERROR([
  ======================================================================
  |    ERROR                                                           |
  ======================================================================
  | OCR not found: use --with-ocr to specify an OCR installation       |
  ======================================================================
  ])],
  [])

  CPPFLAGS=$CPPFLAGS_BACKUP
  AC_SUBST(OCR_CPPFLAGS)
  AC_SUBST(OCR_LDFLAGS)
  AC_SUBST(OCR_LIBS)
  ], [
  AM_CONDITIONAL([OCR_ENABLED], false)
  ])

AC_ARG_WITH([phaser], [AS_HELP_STRING([--with-phaser], [defines the root directory of a phaser lib installation.])], [PHASER_ROOT=$withval], [])

AS_IF([test "x$PHASER_ROOT" != x],
      [AC_DEFINE([HAVE_PHASER], [1], [Have phaser support])
	   PHASER_CFLAGS="-I$PHASER_ROOT/include";
	   PHASER_LDFLAGS="-L$PHASER_ROOT/lib -lphasertask";
	   CPPFLAGS_BACKUP=$CPPFLAGS
       CPPFLAGS="$CPPFLAGS $PHASER_CFLAGS"
       AC_CHECK_HEADERS([phaser-api.h], [], [AC_MSG_ERROR([
       ======================================================================
       |    ERROR                                                           |
       ======================================================================
       | Phaser library not found at specified location: ${PHASER_ROOT}
       ======================================================================
       ])],[])
	   CPPFLAGS=$CPPFLAGS_BACKUP
      ],
      [ AC_MSG_NOTICE([No phaser support]) ])

AC_SUBST([PHASER_CFLAGS])
AC_SUBST([PHASER_LDFLAGS])

# Variable substitutions.
AC_SUBST([ac_aux_dir])
AC_SUBST([abs_top_srcdir])


#
# Config file to process
#

AC_CONFIG_FILES([
Makefile
src/Makefile
])

# Generates and runs config.status, which in turn creates the makefiles 
# and any other files resulting from configuration
AC_OUTPUT