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# Copyright (C) 2017 Xilinx
# Based on externalsrc.bbclass, original copyrights follow:
# Copyright (C) 2012 Linux Foundation
# Some code and influence taken from srctree.bbclass:
# Copyright (C) 2009 Chris Larson <clarson@kergoth.com>
# Released under the MIT license (see COPYING.MIT for the terms)
SRCTREECOVEREDTASKS ?= "do_patch do_unpack do_fetch"
EXTERNALXSCTSRCHASH ?= "src build"
python () {
externalsrc = d.getVar('EXTERNALXSCTSRC')
if externalsrc:
import oe.recipeutils
import oe.path
d.setVar('BB_DONT_CACHE', '1')
d.setVar('S', externalsrc)
externalsrcbuild = d.getVar('EXTERNALXSCTSRC_BUILD')
if externalsrcbuild:
d.setVar('B', externalsrcbuild)
else:
d.setVar('B', '${WORKDIR}/${BPN}-${PV}/')
if d.getVar('S') == d.getVar('B'):
bb.error("Cannot set build directory to be same as source directory")
return None
local_srcuri = []
fetch = bb.fetch2.Fetch((d.getVar('SRC_URI') or '').split(), d)
for url in fetch.urls:
url_data = fetch.ud[url]
if (url_data.type == 'file'):
local_srcuri.append(url)
d.setVar('SRC_URI', ' '.join(local_srcuri))
if '{SRCPV}' in d.getVar('PV', False):
# Dummy value because the default function can't be called with blank SRC_URI
d.setVar('SRCPV', '999')
tasks = filter(lambda k: d.getVarFlag(k, "task", True), d.keys())
for task in tasks:
if task.endswith("_setscene"):
# sstate is never going to work for external source trees, disable it
bb.build.deltask(task, d)
else:
# Since configure will likely touch ${S}, ensure only we lock so one task has access at a time
d.appendVarFlag(task, "lockfiles", " ${TMPDIR}/singlexscttask.lock")
# We do not want our source to be wiped out, ever (kernel.bbclass does this for do_clean)
cleandirs = oe.recipeutils.split_var_value(d.getVarFlag(task, 'cleandirs', False) or '')
setvalue = False
for cleandir in cleandirs[:]:
if oe.path.is_path_parent(externalsrc, d.expand(cleandir)):
cleandirs.remove(cleandir)
setvalue = True
if setvalue:
d.setVarFlag(task, 'cleandirs', ' '.join(cleandirs))
fetch_tasks = ['do_fetch', 'do_unpack']
# If we deltask do_patch, there's no dependency to ensure do_unpack gets run, so add one
# Note that we cannot use d.appendVarFlag() here because deps is expected to be a list object, not a string
d.setVarFlag('do_configure', 'deps', (d.getVarFlag('do_configure', 'deps', False) or []) + ['do_unpack'])
for task in d.getVar("SRCTREECOVEREDTASKS").split():
if local_srcuri and task in fetch_tasks:
continue
bb.build.deltask(task, d)
d.prependVarFlag('do_compile', 'prefuncs', "xsct_externalsrc_compile_prefunc")
external_xsct_src_hash = d.getVar('EXTERNALXSCTSRCHASH')
# If EXTERNALXSCTSRCHASH is set to both build and src, hash both.
# If EXTERNALXSCTSRCHASH is set to build, hash build file. By default hash src files if EXTERNALXSCTSRCHASH is empty.
if ((external_xsct_src_hash.find('build') != -1) and (external_xsct_src_hash.find('src')!= -1)):
d.setVarFlag('do_compile', 'file-checksums', '${@xsct_buildtree_hash_files(d)} ${@xsct_srctree_hash_files(d)}')
elif external_xsct_src_hash.find('build') != -1:
d.setVarFlag('do_compile', 'file-checksums', '${@xsct_buildtree_hash_files(d)}')
else:
d.setVarFlag('do_compile', 'file-checksums', '${@xsct_srctree_hash_files(d)}')
# We don't want the workdir to go away
d.appendVar('RM_WORK_EXCLUDE', ' ' + d.getVar('PN'))
}
COMPILE_TRIGGER_FILES = "${XSCTH_WS}/${XSCTH_PROJ}"
python xsct_externalsrc_compile_prefunc() {
# Make it obvious that this is happening, since forgetting about it could lead to much confusion
bb.plain('NOTE: %s: compiling from external source tree %s' % (d.getVar('PN'), d.getVar('EXTERNALXSCTSRC')))
}
def xsct_srctree_hash_files(d):
import shutil
import subprocess
import tempfile
s_dir = d.getVar('EXTERNALXSCTSRC')
git_dir = os.path.join(s_dir, '.git')
oe_hash_file = os.path.join(git_dir, 'oe-devtool-tree-sha1')
ret = " "
if os.path.exists(git_dir):
with tempfile.NamedTemporaryFile(dir=git_dir, prefix='oe-devtool-index') as tmp_index:
# Clone index
shutil.copy2(os.path.join(git_dir, 'index'), tmp_index.name)
# Update our custom index
env = os.environ.copy()
env['GIT_INDEX_FILE'] = tmp_index.name
subprocess.check_output(['git', 'add', '.'], cwd=s_dir, env=env)
sha1 = subprocess.check_output(['git', 'write-tree'], cwd=s_dir, env=env).decode("utf-8")
with open(oe_hash_file, 'w') as fobj:
fobj.write(sha1)
ret = oe_hash_file + ':True'
else:
ret = d.getVar('EXTERNALXSCTSRC') + '/*:True'
return ret
def xsct_buildtree_hash_files(d):
import os
"""
Get the list of files that should trigger do_compile to re-execute,
"""
in_files = (d.getVar('COMPILE_TRIGGER_FILES') or '').split()
out_items = []
for entry in in_files:
if os.path.isdir(entry):
for path, subdirs, files in os.walk(entry):
for file in files:
if file.endswith(('.c', '.h', '.tcl')):
out_items.append('%s:True' % (os.path.join(path, file)))
else:
out_items.append('%s:%s' % (entry, os.path.exists(entry)))
return ' '.join(out_items)
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