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// -*- mode:doc; -*-
// vim: set syntax=asciidoc:
Infrastructure for host packages
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[[host-package-tutorial]]
First, let's see how to write a +Makefile+ for an host only package, required
by another target package to build, with an example:
------------------------
01: # This file is part of the OpenADK project. OpenADK is copyrighted
02: # material, please see the LICENCE file in the top-level directory.
03:
04: include $(TOPDIR)/rules.mk
05:
06: PKG_NAME:= hostfoo
07: PKG_VERSION:= 1.0
08: PKG_RELEASE:= 1
09: PKG_MD5SUM:= 291ba57c0acd218da0b0916c280dcbae
10: PKG_DESCR:= hostfoo utility
11: PKG_SECTION:= misc
12: PKG_URL:= http://www.foo.org/
13: PKG_SITES:= http://download.foo.org/
14:
15: PKG_CFLINE_HOSTFOO:= depends on ADK_HOST_ONLY
16:
17: include $(TOPDIR)/mk/host.mk
18: include $(TOPDIR)/mk/package.mk
19:
20: $(eval $(call HOST_template,HOSTFOO,hostfoo,$(PKG_VERSION)-${PKG_RELEASE}))
21:
22: HOST_STYLE:= auto
23:
24: include ${TOPDIR}/mk/host-bottom.mk
25: include ${TOPDIR}/mk/pkg-bottom.mk
------------------------
The differences to a target package is the inclusion of +mk/host.mk+ in line 17 and
+mk/host-bottom.mk+ in line 24. Furthermore the HOST_template is called instead of
the PKG_template. The last difference is the usage of +PKG_CFLINE_HOSTFOO+ to mark
the package as host only package.
Following mix between host and target package is possible, too:
------------------------
01: # This file is part of the OpenADK project. OpenADK is copyrighted
02: # material, please see the LICENCE file in the top-level directory.
03:
04: include ${TOPDIR}/rules.mk
05:
06: PKG_NAME:= foo
07: PKG_VERSION:= 1.0
08: PKG_RELEASE:= 1
09: PKG_MD5SUM:= 032a7b7b9f1a6e278ccde73f82cec5c2
10: PKG_DESCR:= foo tool
11: PKG_SECTION:= lang
12: PKG_BUILDDEP:= foo-host
13: PKG_URL:= http://www.foo.org/
14: PKG_SITES:= http://download.foo.org/
15:
16: include ${TOPDIR}/mk/host.mk
17: include ${TOPDIR}/mk/package.mk
18:
19: $(eval $(call HOST_template,FOO,foo,${PKG_VERSION}-${PKG_RELEASE}))
20: $(eval $(call PKG_template,FOO,foo,${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
21:
22: HOST_STYLE:= auto
23:
24: foo-install:
25: ${INSTALL_DIR} ${IDIR_FOO}/usr/bin
26: ${INSTALL_BIN} ${WRKINST}/usr/bin/foo ${IDIR_FOO}/usr/bin
27:
28: include ${TOPDIR}/mk/host-bottom.mk
29: include ${TOPDIR}/mk/pkg-bottom.mk
------------------------
It is important to have foo-host as package build dependency, see line 12, so that the order is always build the host package
and then the target package.
If you need to rebuild a mixed package, you are advised to use:
------------
$ make package=<package> clean hostpackage package
------------
At the moment there is one limitation regarding the recursive dependency resolving. It is just not implemented, yet.
So you always need to set +PKG_BUILDDEP+ to all host tools dependencies in the right order. If package foo needs host
tool bar, and host tool bar needs host library libbaz, you have to use following +PKG_BUILDDEP+ variable:
------------
PKG_BUILDDEP:=libbaz-host bar-host
------------
|
