dnl configure.in. 

dnl init
AC_INIT(src/_gocr.h)
AM_INIT_AUTOMAKE(libgocr,0.7.2)
AM_CONFIG_HEADER(include/config.h)

dnl Check arguments
AC_ARG_WITH(netpbm-headers, [ --with-netpbm-headers=[DIR]         NetPBM headers directory], netpbmh=$withval, netpbmh=no)
if test "$netpbmh" != "no"; then
	CPPFLAGS="$CPPFLAGS -I$netpbmh"
else
	CPPFLAGS="$CPPFLAGS -I/usr/include/netpbm -I/usr/local/netpbm/include"
fi

AC_ARG_WITH(netpbm-libraries, [ --with-netpbm-libraries=[DIR]         NetPBM libraries directory], netpbml=$withval, netpbml=no)
if test "$netpbml" != "no"; then
	CFLAGS="$CFLAGS -L$netpbml"
else
	CFLAGS="$CFLAGS -L$/usr/local/netpbm/lib"
fi

dnl Check compilers, processors, etc
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
dnl AC_PROG_RANLIB
AC_PROG_MAKE_SET
AC_C_CONST

dnl Install directories
if test "x${datadir}" = 'x${prefix}/share'; then
  if test "x${prefix}" = "xNONE"; then
    PACKAGE_DATA_DIR="${ac_default_prefix}/share/${PACKAGE}"
  else
    PACKAGE_DATA_DIR="${prefix}/share/${PACKAGE}"
  fi
else
  PACKAGE_DATA_DIR="${datadir}/${PACKAGE}"
fi
if test "x${modulesdir}" = 'x'; then
  if test "x${prefix}" = "xNONE"; then
    PACKAGE_MODULES_DIR="${ac_default_prefix}/lib/${PACKAGE}"
  else
    PACKAGE_MODULES_DIR="${prefix}/lib/${PACKAGE}"
  fi
else
  PACKAGE_MODULES_DIR="${modulesdir}/${PACKAGE}"
fi
CFLAGS="$CFLAGS -DPACKAGE_MODULES_DIR=${PACKAGE_MODULES_DIR} -DPACKAGE_MODULES_DIR=${PACKAGE_MODULES_DIR}"
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

dnl Check programs
AC_CHECK_PROG(AR,ar,ar)
AC_PATH_PROG(LATEX,latex,,$PATH:/usr/share/texmf/bin)
AM_CONDITIONAL(LATEX,test "$LATEX")
AC_CHECK_PROG(DVIPS,dvips,dvips)
AM_CONDITIONAL(DVIPS,test "$DVIPS")
AC_CHECK_PROG(LATEX2HTML,latex2html,latex2html)
AM_CONDITIONAL(LATEX2HTML,test "$LATEX2HTML")
AC_CHECK_PROG(DOXYGEN,doxygen,doxygen)
AM_CONDITIONAL(DOXYGEN,test "$DOXYGEN")

dnl libtool and libtldl
AC_LIBLTDL_CONVENIENCE(./libltdl)
AC_SUBST(LIBLTDL)
AC_LIBTOOL_DLOPEN
AM_PROG_LIBTOOL
AC_SUBST(INCLTDL)
AC_SUBST(LIBTOOL_DEPS)
AC_CONFIG_SUBDIRS(libltdl)

dnl Check for headers
AC_CHECK_HEADERS(wchar.h unistd.h pam.h pnm.h)

dnl Test for netpbm package
dnl Quick hack to work:
dnl PNM_LIBS="-lpnm -lppm -lpgm -lpbm"
dnl AC_SUBST(PNM_LIBS)
dnl Or the real test:
AC_CHECK_LIB(pnm, pnm_readpaminit, [ PNM_LIBS="-lpnm -lppm -lpgm -lpbm" ])
AC_CHECK_LIB(pnm, pnm_init, [ PNM_LIBS="-lpnm -lppm -lpgm -lpbm" ])

if test "x$PNM_LIBS" = "x" ; then
    AC_MSG_ERROR([Cannot find PNM library])
fi 

CFLAGS="$(CFLAGS) -I\$(top_srcdir)/libltdl -I\$(top_srcdir)/include -g -Wall"

AC_SUBST(PNM_LIBS)

AC_OUTPUT(
Makefile 
include/Makefile
src/Makefile
doc/Makefile
tests/Makefile
)