#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.69])
AC_INIT([sane-frontends], [1.0.14], [sane-devel@alioth-lists.debian.net])

AM_INIT_AUTOMAKE
AM_SILENT_RULES([yes])

AC_CONFIG_SRCDIR([src/xscanimage.c])
AC_CONFIG_HEADERS([include/sane/config.h])

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB
AM_PROG_AR

# Language
AM_GNU_GETTEXT_VERSION([0.19])
AM_GNU_GETTEXT([external])

# Options
AC_ARG_WITH(gtk,  [  --with/without-gtk      use GTK, which the GUIs require], USE_GTK=$enableval, USE_GTK=yes)
AC_ARG_WITH(gimp, [  --with/without-gimp     use GIMP, for GIMP plugin support], USE_GIMP=$enableval, USE_GIMP=yes)

# Checks for header files.
AC_FUNC_ALLOCA
AC_CHECK_HEADERS([fcntl.h sys/param.h sys/socket.h sys/time.h syslog.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T

# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_STRTOD
AC_CHECK_FUNCS([atexit dup2 floor getcwd gettimeofday memmove memset mkdir pow putenv strchr strdup strerror strncasecmp strrchr strtol])

AC_CHECK_LIB(m, sqrt)
AC_CHECK_LIB(m, round)

# Dependent packages.
PKG_CHECK_MODULES([SANE], [sane-backends >= 1.0.0], HAVE_SANE=yes)

GUI_PROGS=
if test "${USE_GTK}" = "yes"; then
	PKG_CHECK_MODULES([GTK], [gtk+-3.0], HAVE_GTK=yes, HAVE_GTK=no)
	if test "x${HAVE_GTK}" = "xyes"; then
		GUI_PROGS="xscanimage xcam"
		if test "${USE_GIMP}" = "yes"; then
		    PKG_CHECK_MODULES([GIMP], [gimp-2.0], HAVE_GIMP=yes, HAVE_GIMP=no)
		fi
	fi
fi
AC_SUBST([GUI_PROGS])

# Conditionals
AM_CONDITIONAL([BUILD_GTK_LIB], [test "x${HAVE_GTK}" = "xyes"])

AC_CONFIG_FILES([Makefile 
			     po/Makefile.in
                 doc/Makefile
                 include/Makefile
                 libgtk/Makefile
                 sanei/Makefile
                 src/Makefile])
AC_OUTPUT

echo
echo "****************************************************************"
echo "*                                                              *"
echo "* SANE-FRONTENDS configure status:                             *"
echo "* --------------------------------                             *"

if test "x${HAVE_GTK}" = "xyes"; then
  echo "* - GUIs activated (building: xcam xscanimage scanadf)         *"
  if test "x${GIMP_LIBS}" = "xyes"; then
    echo "* - GIMP plugin activated for xscanimage                       *"
  else
    echo "* - GIMP plugin deactivated for xscanimage                     *"
  fi
else
  echo "* - GUIs dectivated (building: scanadf)                        *"
fi

echo "*                                                              *"
echo "****************************************************************"


echo "*                                                              *"
echo "****************************************************************"
echo "*                                                              *"
echo "* To compile SANE-FRONTENDS:                                   *"
echo "* --------------------------                                   *"
echo "*   make                                                       *"
echo "*   make install                                               *"
echo "*                                                              *"
echo "* ------------------------------------------------------------ *"
echo "* ... PLEASE READ SANE DOCUMENTATION BEFORE STARTING SANE ...  *"
echo "* ------------------------------------------------------------ *"
echo "*                                                              *"
echo "* If you experience any problems with sane-frontends please    *"
echo "* write to the sane list at sane-devel@alioth-lists.debian.net *"
echo "*                                                              *"
echo "****************************************************************"