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-rw-r--r--classes/srctree.bbclass141
1 files changed, 141 insertions, 0 deletions
diff --git a/classes/srctree.bbclass b/classes/srctree.bbclass
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+# Copyright (C) 2009 Chris Larson <clarson@kergoth.com>
+# 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.
+
+
+S = "${FILE_DIRNAME}"
+SRC_URI = ""
+
+#TYPE = "${@'${PN}'.replace('${BPN}', '').strip()}"
+#WORKDIR = "${S}/tmp${TYPE}.${MULTIMACH_HOST_SYS}"
+#STAMP = "${WORKDIR}/tasks/stamp"
+#WORKDIR_LOCAL = "${S}/tmp${TYPE}.${MULTIMACH_HOST_SYS}"
+#T = "${WORKDIR_LOCAL}/bitbake-tasks"
+
+# Hack, so things don't explode in builds that don't inherit package
+do_package ?= " pass"
+do_package[func] = "1"
+do_package[python] = "1"
+
+# Ensure that do_package depends on populate_staging, rather than install
+addtask package after do_populate_staging
+
+# This stuff is needed to facilitate variants (normal, native, cross, sdk)
+# that share a ${S}. It's ugly as hell. Only really necessary for recipes
+# that can't use a ${B}, and which have variants like native. Not sure what
+# the best solution is long term.
+#
+# We merge configure+compile+install into the populate_staging task, uses a
+# lock file. This ensures that none of the tasks which access ${S} can
+# interleave amongst the recipes that share that ${S}.
+
+def variant_hack(d):
+ from itertools import chain
+
+ # Kill dependencies on the fromtasks
+ fromtasks = ["do_configure", "do_compile", "do_install"]
+ for key in d.keys():
+ task = d.getVarFlag(key, "task")
+ if task:
+ deps = d.getVarFlag(key, "deps")
+ for task_ in fromtasks:
+ if task_ in deps:
+ deps.remove(task_)
+ # if not key in fromtasks + ["do_populate_staging"]:
+ # deps.append("do_populate_staging")
+ d.setVarFlag(key, "deps", deps)
+
+ # Pull the task deps from fromtasks over to the new task, minus deltasks
+ deltasks = ("do_patch", "do_unpack", "do_fetch")
+ deps = set(chain(*[(d.getVarFlag(old, "deps")) for old in fromtasks + ["do_populate_staging"]]))
+ d.setVarFlag("do_populate_staging", "deps", deps.difference(deltasks))
+
+ # Pull cross recipe task deps over
+ d.setVarFlag("do_populate_staging", "depends", " ".join((d.getVarFlag(old, "depends") or "" for old in fromtasks)))
+
+python () {
+ variant_hack(d)
+}
+
+python do_populate_staging () {
+ from bb.build import exec_task, exec_func
+
+ exec_task("do_configure", d)
+ exec_task("do_compile", d)
+ exec_task("do_install", d)
+ exec_func("do_stage", d)
+}
+do_populate_staging[lockfiles] += "${S}/.lock"
+
+make_do_clean () {
+ oe_runmake clean
+}
+
+def clean_builddir(d):
+ from shutil import rmtree
+
+ builddir = d.getVar("B", True)
+ srcdir = d.getVar("S", True)
+ if builddir != srcdir:
+ rmtree(builddir, ignore_errors=True)
+
+def clean_stamps(d):
+ from glob import glob
+ from bb import note
+ from bb.data import expand
+ from os import unlink
+
+ note("Removing stamps")
+ for stamp in glob(expand('${STAMP}.*', d)):
+ try:
+ unlink(stamp)
+ except OSError:
+ pass
+
+def clean_workdir(d):
+ from shutil import rmtree
+ from bb import note
+
+ workdir = d.getVar("WORKDIR", 1)
+ note("Removing %s" % workdir)
+ rmtree(workdir, ignore_errors=True)
+
+def clean_git(d):
+ from subprocess import call
+
+ call(["git", "clean", "-d", "-f", "-X"], cwd=d.getVar("S", True))
+
+def clean_make(d):
+ import bb
+
+ bb.note("Running make clean")
+ try:
+ bb.build.exec_func("make_do_clean", d)
+ except bb.build.FuncFailed:
+ pass
+
+python do_clean () {
+ from os.path import exists
+ from bb.build import FuncFailed
+ from bb.data import expand
+
+ clean_stamps(d)
+ clean_workdir(d)
+ if exists(expand("${S}/.git", d)) and \
+ exists(expand("${S}/.gitignore", d)):
+ clean_git(d)
+ else:
+ clean_builddir(d)
+ clean_make(d)
+}