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classes/externalsrc: enable global inherit and simplify usage 

This class can now be inherited globally using INHERIT += rather than
needing to inherit it in the recipe itself. Additionally, instead of
setting S (and optionally B), set EXTERNALSRC (and optionally
EXTERNALSRC_BUILD) to point to the external source and build locations
respectively.

(From OE-Core rev: b1da10579a28f9a5260a0678f6f15ce4b5a2706c)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton 2013-06-17 14:46:03 +01:00 committed by Richard Purdie
parent 1dd643b142
commit f6f5eed533
1 changed files with 33 additions and 18 deletions
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51
meta/classes/externalsrc.bbclass
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@ -8,18 +8,23 @@
# the build system to build a piece of software rather than the usual fetch/unpack/patch
# process.
#
# To use, set S to point at the directory you want to use containing the sources
# e.g. S = "/path/to/my/source/tree"
# To use, add externalsrc to the global inherit and set EXTERNALSRC to point at the
# directory you want to use containing the sources e.g. from local.conf for a recipe
# called "myrecipe" you would do:
#
# If the class is to work for both target and native versions (or with multilibs/
# cross or other BBCLASSEXTEND variants), its expected that setting B to point to
# where to place the compiled binaries will work (split source and build directories).
# This is the default but B can be set to S if circumstaces dictate.
# INHERIT += "externalsrc"
# EXTERNALSRC_pn-myrecipe = "/path/to/my/source/tree"
#
# In order to make this class work for both target and native versions (or with
# multilibs/cross or other BBCLASSEXTEND variants), B is set to point to a separate
# directory under the work directory (split source and build directories). This is
# the default, but the build directory can be set to the source directory if
# circumstances dictate by setting EXTERNALSRC_BUILD to the same value, e.g.:
#
# EXTERNALSRC_BUILD_pn-myrecipe = "/path/to/my/source/tree"
#
SRC_URI = ""
SRCTREECOVEREDTASKS ?= "do_patch do_unpack do_fetch"
B = "${WORKDIR}/${BPN}-${PV}/"
def remove_tasks(tasks, deltasks, d):
for task in tasks:
@ -37,17 +42,27 @@ def remove_tasks(tasks, deltasks, d):
d.setVar('__BBTASKS', tasklist)
python () {
tasks = filter(lambda k: d.getVarFlag(k, "task"), d.keys())
covered = d.getVar("SRCTREECOVEREDTASKS", True).split()
for task in tasks:
if task.endswith("_setscene"):
# sstate is never going to work for external source trees, disable it
covered.append(task)
externalsrc = d.getVar('EXTERNALSRC', True)
if externalsrc:
d.setVar('S', externalsrc)
externalsrcbuild = d.getVar('EXTERNALSRC_BUILD', True)
if externalsrcbuild:
d.setVar('B', externalsrcbuild)
else:
# Since configure will likely touch ${S}, ensure only we lock so one task has access at a time
d.appendVarFlag(task, "lockfiles", "${S}/singletask.lock")
d.setVar('B', '${WORKDIR}/${BPN}-${PV}/')
d.setVar('SRC_URI', '')
remove_tasks(tasks, covered, d)
tasks = filter(lambda k: d.getVarFlag(k, "task"), d.keys())
covered = d.getVar("SRCTREECOVEREDTASKS", True).split()
for task in tasks:
if task.endswith("_setscene"):
# sstate is never going to work for external source trees, disable it
covered.append(task)
else:
# Since configure will likely touch ${S}, ensure only we lock so one task has access at a time
d.appendVarFlag(task, "lockfiles", "${S}/singletask.lock")
remove_tasks(tasks, covered, d)
}