# Copyright (C) 2009 Chris Larson # Released under the MIT license (see COPYING.MIT for the terms) # # srctree.bbclass enables operation inside of an existing source tree for a # project, rather than using the fetch/unpack/patch idiom. # # By default, it expects that you're keeping the recipe(s) inside the # aforementioned source tree, but you could override S to point at an external # directory and place the recipes in a normal collection/overlay, if you so # chose. # # It also provides some convenience python functions for assembling your # do_clean, if you want to leverage things like 'git clean' to simplify the # operation. # Grab convenience methods & sane default for do_clean inherit clean # Build here S = "${FILE_DIRNAME}" SRC_URI = "" def merge_tasks(d): """ merge_tasks performs two operations: 1) removes do_patch and its deps from the build entirely. 2) merges all of the operations that occur prior to do_populate_sysroot into do_populate_sysroot. This is necessary, because of recipe variants (normal, native, cross, sdk). If a bitbake run happens to want to build more than one of these variants in a single run, it's possible for them to step on one another's toes, due to the shared ${S}. Interleaved configure/compile/install amongst variants will break things badly. """ from itertools import chain from bb import note def __gather_taskdeps(task, seen): for dep in d.getVarFlag(task, "deps"): if not dep in seen: __gather_taskdeps(dep, seen) if not task in seen: seen.append(task) def gather_taskdeps(task): items = [] __gather_taskdeps(task, items) return items newtask = "do_populate_sysroot" mergedtasks = gather_taskdeps(newtask) mergedtasks.pop() deltasks = gather_taskdeps("do_patch") for task in (key for key in d.keys() if d.getVarFlag(key, "task") and not key in mergedtasks): deps = d.getVarFlag(task, "deps") for mergetask in mergedtasks: if mergetask in (d.getVarFlag(task, "recrdeptask"), d.getVarFlag(task, "recdeptask"), d.getVarFlag(task, "deptask")): continue if mergetask in deps: deps.remove(mergetask) #note("removing dep on %s from %s" % (mergetask, task)) if not mergetask in deltasks and \ not newtask in deps: #note("adding dep on %s to %s" % (newtask, task)) deps.append(newtask) d.setVarFlag(task, "deps", deps) for task in mergedtasks[:-1]: deps = d.getVarFlag(task, "deps") for deltask in deltasks: if deltask in deps: deps.remove(deltask) d.setVarFlag(task, "deps", deps) # Pull cross recipe task deps over depends = (d.getVarFlag(task, "depends") or "" for task in mergedtasks[:-1] if not task in deltasks) d.setVarFlag("do_populate_sysroot", "depends", " ".join(depends)) python () { merge_tasks(d) } # Manually run do_install & all of its deps, then do_stage python do_populate_sysroot () { from os.path import exists from bb.build import exec_task, exec_func from bb import note stamp = d.getVar("STAMP", True) def rec_exec_task(task, seen): for dep in d.getVarFlag(task, "deps"): if not dep in seen: rec_exec_task(dep, seen) seen.add(task) #if not exists("%s.%s" % (stamp, task)): note("%s: executing task %s" % (d.getVar("PF", True), task)) exec_task(task, d) rec_exec_task("do_install", set()) exec_func("do_stage", d) } do_populate_sysroot[lockfiles] += "${S}/.lock" ted'>includemode:

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README

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