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
|
# specialist handling of header files for Samba
import Build, re, Task, TaskGen, shutil, sys, Logs
from samba_utils import *
def header_install_path(header, header_path):
'''find the installation path for a header, given a header_path option'''
if not header_path:
return ''
if not isinstance(header_path, list):
return header_path
for (p1, dir) in header_path:
for p2 in TO_LIST(p1):
if fnmatch.fnmatch(header, p2):
return dir
# default to current path
return ''
re_header = re.compile('^\s*#\s*include[ \t]*"([^"]+)"', re.I | re.M)
# a dictionary mapping source header paths to public header paths
header_map = {}
def find_suggested_header(hpath):
'''find a suggested header path to use'''
base = os.path.basename(hpath)
ret = []
for h in header_map:
if os.path.basename(h) == base:
ret.append('<%s>' % header_map[h])
ret.append('"%s"' % h)
return ret
def create_public_header(task):
'''create a public header from a private one, output within the build tree'''
src = task.inputs[0].abspath(task.env)
tgt = task.outputs[0].bldpath(task.env)
if os.path.exists(tgt):
os.unlink(tgt)
relsrc = os_path_relpath(src, task.env.TOPDIR)
infile = open(src, mode='r')
outfile = open(tgt, mode='w')
linenumber = 0
search_paths = [ '', task.env.RELPATH ]
for i in task.env.EXTRA_INCLUDES:
if i.startswith('#'):
search_paths.append(i[1:])
for line in infile:
linenumber += 1
# allow some straight substitutions
if task.env.public_headers_replace and line.strip() in task.env.public_headers_replace:
outfile.write(task.env.public_headers_replace[line.strip()] + '\n')
continue
# see if its an include line
m = re_header.match(line)
if m is None:
outfile.write(line)
continue
# its an include, get the header path
hpath = m.group(1)
if hpath.startswith("bin/default/"):
hpath = hpath[12:]
# some are always allowed
if task.env.public_headers_skip and hpath in task.env.public_headers_skip:
outfile.write(line)
continue
# work out the header this refers to
found = False
for s in search_paths:
p = os.path.normpath(os.path.join(s, hpath))
if p in header_map:
outfile.write("#include <%s>\n" % header_map[p])
found = True
break
if found:
continue
if task.env.public_headers_allow_broken:
Logs.warn("Broken public header include '%s' in '%s'" % (hpath, relsrc))
outfile.write(line)
continue
# try to be nice to the developer by suggesting an alternative
suggested = find_suggested_header(hpath)
outfile.close()
os.unlink(tgt)
sys.stderr.write("%s:%u:Error: unable to resolve public header %s (maybe try one of %s)\n" % (
os.path.relpath(src, os.getcwd()), linenumber, hpath, suggested))
raise Utils.WafError("Unable to resolve header path '%s' in public header '%s' in directory %s" % (
hpath, relsrc, task.env.RELPATH))
infile.close()
outfile.close()
def public_headers_simple(bld, public_headers, header_path=None, public_headers_install=True):
'''install some headers - simple version, no munging needed
'''
if not public_headers_install:
return
for h in TO_LIST(public_headers):
inst_path = header_install_path(h, header_path)
if h.find(':') != -1:
s = h.split(":")
h_name = s[0]
inst_name = s[1]
else:
h_name = h
inst_name = os.path.basename(h)
bld.INSTALL_FILES('${INCLUDEDIR}', h_name, destname=inst_name)
def PUBLIC_HEADERS(bld, public_headers, header_path=None, public_headers_install=True):
'''install some headers
header_path may either be a string that is added to the INCLUDEDIR,
or it can be a dictionary of wildcard patterns which map to destination
directories relative to INCLUDEDIR
'''
bld.SET_BUILD_GROUP('final')
if not bld.env.build_public_headers:
# in this case no header munging neeeded. Used for tdb, talloc etc
public_headers_simple(bld, public_headers, header_path=header_path,
public_headers_install=public_headers_install)
return
# create the public header in the given path
# in the build tree
for h in TO_LIST(public_headers):
inst_path = header_install_path(h, header_path)
if h.find(':') != -1:
s = h.split(":")
h_name = s[0]
inst_name = s[1]
else:
h_name = h
inst_name = os.path.basename(h)
relpath1 = os_path_relpath(bld.srcnode.abspath(), bld.curdir)
relpath2 = os_path_relpath(bld.curdir, bld.srcnode.abspath())
targetdir = os.path.normpath(os.path.join(relpath1, bld.env.build_public_headers, inst_path))
if not os.path.exists(os.path.join(bld.curdir, targetdir)):
raise Utils.WafError("missing source directory %s for public header %s" % (targetdir, inst_name))
target = os.path.join(targetdir, inst_name)
# the source path of the header, relative to the top of the source tree
src_path = os.path.normpath(os.path.join(relpath2, h_name))
# the install path of the header, relative to the public include directory
target_path = os.path.normpath(os.path.join(inst_path, inst_name))
header_map[src_path] = target_path
t = bld.SAMBA_GENERATOR('HEADER_%s/%s/%s' % (relpath2, inst_path, inst_name),
group='headers',
rule=create_public_header,
source=h_name,
target=target)
t.env.RELPATH = relpath2
t.env.TOPDIR = bld.srcnode.abspath()
if not bld.env.public_headers_list:
bld.env.public_headers_list = []
bld.env.public_headers_list.append(os.path.join(inst_path, inst_name))
if public_headers_install:
bld.INSTALL_FILES('${INCLUDEDIR}',
target,
destname=os.path.join(inst_path, inst_name), flat=True)
Build.BuildContext.PUBLIC_HEADERS = PUBLIC_HEADERS
|
