[oe-commits] org.oe.dev task.bbclass: add a task class that sets common task recipe

[pH5 commit]

task.bbclass: add a task class that sets common task recipe
variables and automates adding -dev and -dbg packages

Author: pH5 at openembedded.org
Branch: org.openembedded.dev
Revision: 366ae3a976a91f10cdd6c2287e03c738556b8c37
ViewMTN: http://monotone.openembedded.org/revision.psp?id=366ae3a976a91f10cdd6c2287e03c738556b8c37
Files:
1
classes/task.bbclass
Diffs:

#
# mt diff -r2940479bcfd956eef260cc704db455cc804377b8 -r366ae3a976a91f10cdd6c2287e03c738556b8c37
#
# 
# 
# add_file "classes/task.bbclass"
#  content [e7e881f731b2d8e00055d9a95c21b50d2c2a208b]
# 
============================================================
--- classes/task.bbclass	e7e881f731b2d8e00055d9a95c21b50d2c2a208b
+++ classes/task.bbclass	e7e881f731b2d8e00055d9a95c21b50d2c2a208b
@@ -0,0 +1,27 @@
+# Task packages are only used to pull in other packages
+# via their dependencies. They are empty.
+ALLOW_EMPTY = "1"
+
+# By default, only the task package itself is in PACKAGES.
+# -dbg and -dev flavours are handled by the anonfunc below.
+# This means that task recipes used to build multiple task
+# packages have to modify PACKAGES after inheriting task.bbclass.
+PACKAGES = "${PN}"
+
+# By default, task packages do not depend on a certain architecture.
+# Only if dependencies are modified by MACHINE_FEATURES, packages
+# need to be set to MACHINE_ARCH after inheriting task.bbclass
+PACKAGE_ARCH = "all"
+
+# This automatically adds -dbg and -dev flavours of all PACKAGES
+# to the list. Their dependencies (RRECOMMENDS) are handled as usual
+# by package_depchains in a following step.
+python () {
+    packages = bb.data.getVar('PACKAGES', d, 1).split()
+    genpackages = []
+    for pkg in packages:
+        for postfix in ['-dbg', '-dev']:
+            genpackages.append(pkg+postfix)
+    bb.data.setVar('PACKAGES', ' '.join(packages+genpackages), d)
+}
+