need help trying to figure out how to write gtk hello world configure.in

[Matt Hull]

i am trying to write a hello world app that can use nothing, gtk 1.2, or
2.0.

sofar, nothing with autoconf works

i tried this:

# check if gtk should be used
AC_ARG_WITH(gtk, [  --with-gtk              use GTK GUI toolkit ])
if test "$with_gtk" = "yes" -o "$enable_gtk" = "yes" ; then
  if test "$withval" = "no" ; then
    with_gtk="no"
  else
    with_gtk="yes"
  fi
fi

if test "$with_gtk" = "yes"; then
  HAVE_GTK=yes
  AC_SUBST(HAVE_GTK)
fi

that works but i do not see HAVE_GTK in config.h


then i tried:

#AC_MSG_CHECKING(checking if gtk should be used)

AC_ARG_WITH(gtk,
    [  --with-gtk           enable gtk support],
    with_gtk=$withval,
    with_gtk=yes)
AC_MSG_RESULT($with_foo)

if test "$with_gtk" = "yes"; then
  AC_DEFINE(HAVE_GTK)
fi

and that fails with:

/usr/bin/autoheader: Symbol `HAVE_GTK' is not covered by 
/usr/share/autoconf/acconfig.h

but still writes the configure script, and when i run make it wants to run
autoconf and automake again, no idea why.

can anyone help ???

then if i get that working i need to determine the gtk version so i use
the right code as gtk 1.2 and gtk 2.0 are different.

if i choose not to use gtk at all from the configure script, how can i
have the make files skip it.

right now if it is not selected the make file still try to compile both
versions and fail because one or both versions are not there.

thanks

matt