[Buildroot] Makefile.autotools.in does not work wellwith projects

[Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>]

On Wed, 2008-07-30 at 12:19 +0200, Bernhard Fischer wrote:
> On Mon, Jul 28, 2008 at 10:52:41AM +0200, Hans-Christian Egtvedt wrote:
> >On Mon, 2008-07-28 at 18:50 +1000, Hamish Moffatt wrote:
> >> On Mon, Jul 28, 2008 at 10:42:37AM +0200, Hans-Christian Egtvedt wrote:
> >> > On Sun, 2008-07-27 at 11:33 +1000, Hamish Moffatt wrote:
> >
> ><snipp>
> >
> >> > And two minutes later I have a RFC for this solution, see attached
> >> > patch.
> >> [..]
> >> >  # Install to target dir
> >> > -$(BUILD_DIR)/%/.stamp_target_installed:
> >> > +$(TARGET_DIR)/%/$($($(PKG)_NAME)_TARGET_INSTALLED_TOUCH_FILE):
> >> >  	$(call MESSAGE,"Installing to target")
> >> > -	$($(PKG)_MAKE_ENV) $(MAKE) $($(PKG)_INSTALL_TARGET_OPT) -C $(@D)/$($(PKG)_SUBDIR)
> >> > +	$($(PKG)_MAKE_ENV) $(MAKE) $($(PKG)_INSTALL_TARGET_OPT) -C $($(PKG)_DIR)/$($(PKG)_SUBDIR)
> >> [..]
> >> >  # define sub-target stamps
> >> > -$(2)_TARGET_INSTALL_TARGET =	$$($(2)_DIR)/.stamp_target_installed
> >> > +$(2)_TARGET_INSTALL_TARGET =	$$(TARGET_DIR)/$$($(2)_TARGET_INSTALLED_TOUCH_FILE)
> >> 
> >> Will every package that uses Makefile.autotools.in need to be modified
> >> to define the target installed file? If so, would you like to prepare a
> >> large patch? :)
> >
> >Not really, since I do not have knowledge about each package and what
> >they will need to depend on installed on target.
> >
> >> Alternatively, perhaps $(2)_TARGET_INSTALL_TARGET could
> >> be fall back to the old definition if the new variable is not supplied,
> >> using some ifeq logic.
> >> 
> >
> >Yes, there should be a fallback when the variable is not supplied. The
> >Makefile should print a warning message as well, demanding an update ;)
> >
> >I'll see what I can figure out.
> 
> Let me suggest to rename that variable to $(2)_TARGET_FILES
> and do
> $(2)_TARGET_INSTALL_TARGET = $(firstword $($(2)_TARGET_FILES))
> 
> foo_tmp=$(firstword $($(2)_TARGET_FILES))
> or somthing like $(if $(foo_tmp),$(foo_tmp),$($(2).old_stamp_file))
> 
> Reasoning:
> You really want to only have a few files in $(TARGET_DIR) as opposed to
> $(STAGING_DIR). Those $(2)_TARGET_FILES should ideally be the only files
> installed into the final image (think of a gazillion superfluous termcap
> entries or other unneeded files).

Then you need to overwrite the install rule anyway, my patch was
intended to fix the general installation of applications.

You seem to want a rule which will install only the binaries needed?

Some applications and libraries are actually installed quite minimal and
correct by using make DESTDIR install :)

-- 
With kind regards,
Hans-Christian Egtvedt, Applications Engineer