1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
# This class is used to help the alternatives system which is useful when
# multiple sources provide same command. You can use update-alternatives
# command directly in your recipe, but in most cases this class simplifies
# that job.
#
# To use this class a number of variables should be defined:
#
# List all of the alternatives needed by a package:
# ALTERNATIVE_<pkg> = "name1 name2 name3 ..."
#
# i.e. ALTERNATIVE_busybox = "sh sed test bracket"
#
# The pathname of the link
# ALTERNATIVE_LINK_NAME[name] = "target"
#
# This is the name of the binary once it's been installed onto the runtime.
# This name is global to all split packages in this recipe, and should match
# other recipes with the same functionality.
# i.e. ALTERNATIVE_LINK_NAME[bracket] = "/usr/bin/["
#
# NOTE: If ALTERNATIVE_LINK_NAME is not defined, it defaults to ${bindir}/name
#
# The default link to create for all targets
# ALTERNATIVE_TARGET = "target"
#
# This is useful in a multicall binary case
# i.e. ALTERNATIVE_TARGET = "/bin/busybox"
#
# A non-default link to create for a target
# ALTERNATIVE_TARGET[name] = "target"
#
# This is the name of the binary as it's been install by do_install
# i.e. ALTERNATIVE_TARGET[sh] = "/bin/bash"
#
# A package specific link for a target
# ALTERNATIVE_TARGET_<pkg>[name] = "target"
#
# This is useful when a recipe provides multiple alternatives for the
# same item.
#
# NOTE: If ALTERNATIVE_TARGET is not defined, it will inherit the value
# from ALTERNATIVE_LINK_NAME.
#
# NOTE: If the ALTERNATIVE_LINK_NAME and ALTERNATIVE_TARGET are the same,
# ALTERNATIVE_TARGET will have '.{BPN}' appended to it. If the file
# referenced has not been renamed, it will also be renamed. (This avoids
# the need to rename alternative files in the do_install step, but still
# supports it if necessary for some reason.)
#
# The default priority for any alternatives
# ALTERNATIVE_PRIORITY = "priority"
#
# i.e. default is ALTERNATIVE_PRIORITY = "10"
#
# The non-default priority for a specific target
# ALTERNATIVE_PRIORITY[name] = "priority"
#
# The package priority for a specific target
# ALTERNATIVE_PRIORITY_<pkg>[name] = "priority"
ALTERNATIVE_PRIORITY = "10"
# We need special processing for vardeps because it can not work on
# modified flag values. So we agregate the flags into a new variable
# and include that vairable in the set.
UPDALTVARS = "ALTERNATIVE ALTERNATIVE_LINK_NAME ALTERNATIVE_TARGET ALTERNATIVE_PRIORITY"
def gen_updatealternativesvardeps(d):
pkgs = (d.getVar("PACKAGES", True) or "").split()
vars = (d.getVar("UPDALTVARS", True) or "").split()
# First compute them for non_pkg versions
for v in vars:
for flag in (d.getVarFlags(v) or {}):
if flag == "doc" or flag == "vardeps" or flag == "vardepsexp":
continue
d.appendVar('%s_VARDEPS' % (v), ' %s:%s' % (flag, d.getVarFlag(v, flag, False)))
for p in pkgs:
for v in vars:
for flag in (d.getVarFlags("%s_%s" % (v,p)) or {}):
if flag == "doc" or flag == "vardeps" or flag == "vardepsexp":
continue
d.appendVar('%s_VARDEPS_%s' % (v,p), ' %s:%s' % (flag, d.getVarFlag('%s_%s' % (v,p), flag, False)))
def ua_extend_depends(d):
if not 'virtual/update-alternatives' in d.getVar('PROVIDES', True):
d.appendVar('DEPENDS', ' virtual/${MLPREFIX}update-alternatives')
python __anonymous() {
# Update Alternatives only works on target packages...
if bb.data.inherits_class('native', d) or bb.data.inherits_class('nativesdk', d) or \
bb.data.inherits_class('cross', d) or bb.data.inherits_class('crosssdk', d) or \
bb.data.inherits_class('cross-canadian', d):
return
# compute special vardeps
gen_updatealternativesvardeps(d)
# extend the depends to include virtual/update-alternatives
ua_extend_depends(d)
}
def gen_updatealternativesvars(d):
ret = []
pkgs = (d.getVar("PACKAGES", True) or "").split()
vars = (d.getVar("UPDALTVARS", True) or "").split()
for v in vars:
ret.append(v + "_VARDEPS")
for p in pkgs:
for v in vars:
ret.append(v + "_" + p)
ret.append(v + "_VARDEPS_" + p)
return " ".join(ret)
# Now the new stuff, we use a custom function to generate the right values
populate_packages[vardeps] += "${UPDALTVARS} ${@gen_updatealternativesvars(d)}"
# We need to do the rename after the image creation step, but before
# the split and strip steps.. packagecopy seems to be the earliest reasonable
# place.
python perform_packagecopy_append () {
# Check for deprecated usage...
pn = d.getVar('BPN', True)
if d.getVar('ALTERNATIVE_LINKS', True) != None:
bb.fatal('%s: Use of ALTERNATIVE_LINKS/ALTERNATIVE_PATH/ALTERNATIVE_NAME is no longer supported, please convert to the updated syntax, see update-alternatives.bbclass for more info.' % pn)
# Do actual update alternatives processing
pkgdest = d.getVar('PKGD', True)
for pkg in (d.getVar('PACKAGES', True) or "").split():
# If the src == dest, we know we need to rename the dest by appending ${BPN}
link_rename = {}
for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split():
alt_link = d.getVarFlag('ALTERNATIVE_LINK_NAME', alt_name, True)
if not alt_link:
alt_link = "%s/%s" % (d.getVar('bindir', True), alt_name)
d.setVarFlag('ALTERNATIVE_LINK_NAME', alt_name, alt_link)
alt_target = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_TARGET', alt_name, True)
alt_target = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or d.getVar('ALTERNATIVE_TARGET', True) or alt_link
# Sometimes alt_target is specified as relative to the link name.
alt_target = os.path.join(os.path.dirname(alt_link), alt_target)
# If the link and target are the same name, we need to rename the target.
if alt_link == alt_target:
src = '%s/%s' % (pkgdest, alt_target)
alt_target_rename = '%s.%s' % (alt_target, pn)
dest = '%s/%s' % (pkgdest, alt_target_rename)
if os.path.lexists(dest):
bb.note('%s: Already renamed: %s' % (pn, alt_target_rename))
elif os.path.lexists(src):
if os.path.islink(src):
# Delay rename of links
link_rename[alt_target] = alt_target_rename
else:
bb.note('%s: Rename %s -> %s' % (pn, alt_target, alt_target_rename))
os.rename(src, dest)
else:
bb.warn("%s: alternative target (%s or %s) does not exist, skipping..." % (pn, alt_target, alt_target_rename))
continue
d.setVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, alt_target_rename)
# Process delayed link names
# Do these after other renames so we can correct broken links
for alt_target in link_rename:
src = '%s/%s' % (pkgdest, alt_target)
dest = '%s/%s' % (pkgdest, link_rename[alt_target])
link = os.readlink(src)
link_target = oe.path.realpath(src, pkgdest, True)
if os.path.lexists(link_target):
# Ok, the link_target exists, we can rename
bb.note('%s: Rename (link) %s -> %s' % (pn, alt_target, link_rename[alt_target]))
os.rename(src, dest)
else:
# Try to resolve the broken link to link.${BPN}
link_maybe = '%s.%s' % (os.readlink(src), pn)
if os.path.lexists(os.path.join(os.path.dirname(src), link_maybe)):
# Ok, the renamed link target exists.. create a new link, and remove the original
bb.note('%s: Creating new link %s -> %s' % (pn, link_rename[alt_target], link_maybe))
os.symlink(link_maybe, dest)
os.unlink(src)
else:
bb.warn('%s: Unable to resolve dangling symlink: %s' % (pn, alt_target))
}
PACKAGESPLITFUNCS_prepend = "populate_packages_updatealternatives "
python populate_packages_updatealternatives () {
pn = d.getVar('BPN', True)
# Do actual update alternatives processing
pkgdest = d.getVar('PKGD', True)
for pkg in (d.getVar('PACKAGES', True) or "").split():
# Create post install/removal scripts
alt_setup_links = ""
alt_remove_links = ""
for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split():
alt_link = d.getVarFlag('ALTERNATIVE_LINK_NAME', alt_name, True)
alt_target = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_TARGET', alt_name, True)
alt_target = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or d.getVar('ALTERNATIVE_TARGET', True) or alt_link
# Sometimes alt_target is specified as relative to the link name.
alt_target = os.path.join(os.path.dirname(alt_link), alt_target)
alt_priority = d.getVarFlag('ALTERNATIVE_PRIORITY_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_PRIORITY', alt_name, True)
alt_priority = alt_priority or d.getVar('ALTERNATIVE_PRIORITY_%s' % pkg, True) or d.getVar('ALTERNATIVE_PRIORITY', True)
# This shouldn't trigger, as it should have been resolved earlier!
if alt_link == alt_target:
bb.note('alt_link == alt_target: %s == %s -- correcting, this should not happen!' % (alt_link, alt_target))
alt_target = '%s.%s' % (alt_target, pn)
if not os.path.lexists('%s/%s' % (pkgdest, alt_target)):
bb.warn('%s: NOT adding alternative provide %s: %s does not exist' % (pn, alt_link, alt_target))
continue
# Default to generate shell script.. eventually we may want to change this...
alt_target = os.path.normpath(alt_target)
alt_setup_links += '\tupdate-alternatives --install %s %s %s %s\n' % (alt_link, alt_name, alt_target, alt_priority)
alt_remove_links += '\tupdate-alternatives --remove %s %s\n' % (alt_name, alt_target)
if alt_setup_links:
# RDEPENDS setup
provider = d.getVar('VIRTUAL-RUNTIME_update-alternatives', True)
if provider:
#bb.note('adding runtime requirement for update-alternatives for %s' % pkg)
d.appendVar('RDEPENDS_%s' % pkg, ' ' + d.getVar('MLPREFIX') + provider)
bb.note('adding update-alternatives calls to postinst/postrm for %s' % pkg)
bb.note('%s' % alt_setup_links)
postinst = d.getVar('pkg_postinst_%s' % pkg, True) or '#!/bin/sh\n'
postinst += alt_setup_links
d.setVar('pkg_postinst_%s' % pkg, postinst)
bb.note('%s' % alt_remove_links)
postrm = d.getVar('pkg_postrm_%s' % pkg, True) or '#!/bin/sh\n'
postrm += alt_remove_links
d.setVar('pkg_postrm_%s' % pkg, postrm)
}
python package_do_filedeps_append () {
pn = d.getVar('BPN', True)
pkgdest = d.getVar('PKGDEST', True)
for pkg in packages.split():
for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split():
alt_link = d.getVarFlag('ALTERNATIVE_LINK_NAME', alt_name, True)
alt_target = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_TARGET', alt_name, True)
alt_target = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or d.getVar('ALTERNATIVE_TARGET', True) or alt_link
if alt_link == alt_target:
bb.warn('alt_link == alt_target: %s == %s' % (alt_link, alt_target))
alt_target = '%s.%s' % (alt_target, pn)
if not os.path.lexists('%s/%s/%s' % (pkgdest, pkg, alt_target)):
continue
# Add file provide
trans_target = oe.package.file_translate(alt_target)
d.appendVar('FILERPROVIDES_%s_%s' % (trans_target, pkg), " " + alt_link)
if not trans_target in (d.getVar('FILERPROVIDESFLIST_%s' % pkg, True) or ""):
d.appendVar('FILERPROVIDESFLIST_%s' % pkg, " " + trans_target)
}
|
