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
|
"""SCons.Tool.link
Tool-specific initialization for the generic Posix linker.
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import re
import SCons.Defaults
import SCons.Tool
import SCons.Util
import SCons.Warnings
from SCons.Tool.FortranCommon import isfortran
cplusplus = __import__('c++', globals(), locals(), [])
issued_mixed_link_warning = False
def smart_link(source, target, env, for_signature):
has_cplusplus = cplusplus.iscplusplus(source)
has_fortran = isfortran(env, source)
if has_cplusplus and has_fortran:
global issued_mixed_link_warning
if not issued_mixed_link_warning:
msg = "Using $CXX to link Fortran and C++ code together.\n\t" + \
"This may generate a buggy executable if the '%s'\n\t" + \
"compiler does not know how to deal with Fortran runtimes."
SCons.Warnings.warn(SCons.Warnings.FortranCxxMixWarning,
msg % env.subst('$CXX'))
issued_mixed_link_warning = True
return '$CXX'
elif has_fortran:
return '$FORTRAN'
elif has_cplusplus:
return '$CXX'
return '$CC'
def shlib_emitter(target, source, env):
Verbose = False
platform = env.subst('$PLATFORM')
for tgt in target:
tgt.attributes.shared = 1
try:
# target[0] comes in as libtest.so. Add the version extensions
version = env.subst('$SHLIBVERSION')
if version:
if platform == 'posix':
versionparts = version.split('.')
name = target[0].name
# generate library name with the version number
version_name = target[0].name + '.' + version
# change the name of the target to version_name
target[0].name = version_name
if Verbose:
print "shlib_emitter: target is ", version_name
print "shlib_emitter: side effect: ", name
# make name w/o version number a side effect (will be a sym link)
env.SideEffect(version_name, target[0])
env.Clean(target[0], version_name)
if Verbose:
print "shlib_emitter: versionparts ",versionparts
for ver in versionparts[0:-1]:
name = name + '.' + ver
if Verbose:
print "shlib_emitter: side effect: ", name
# make side effects of sym links with partial version number
env.SideEffect(name, target[0])
env.Clean(target[0], name)
elif platform == 'darwin':
shlib_suffix = env.subst('$SHLIBSUFFIX')
name = target[0].name
# generate library name with the version number
suffix_re = re.escape(shlib_suffix)
version_name = re.sub(suffix_re, '.' + version + shlib_suffix, name)
# change the name of the target to version_name
target[0].name = version_name
if Verbose:
print "shlib_emitter: target is ", version_name
print "shlib_emitter: side effect: ", name
# make name w/o version number a side effect (will be a sym link)
env.SideEffect(version_name, target[0])
env.Clean(target[0], version_name)
except KeyError:
version = None
return (target, source)
def generate(env):
"""Add Builders and construction variables for gnulink to an Environment."""
SCons.Tool.createSharedLibBuilder(env)
SCons.Tool.createProgBuilder(env)
env['SHLINK'] = '$LINK'
env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
env['SHLINKCOM'] = '$SHLINK -o $TARGET $SHLINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
# don't set up the emitter, cause AppendUnique will generate a list
# starting with None :-(
env.Append(SHLIBEMITTER = [shlib_emitter])
env['SMARTLINK'] = smart_link
env['LINK'] = "$SMARTLINK"
env['LINKFLAGS'] = SCons.Util.CLVar('')
# __RPATH is only set to something ($_RPATH typically) on platforms that support it.
env['LINKCOM'] = '$LINK -o $TARGET $LINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
env['LIBDIRPREFIX']='-L'
env['LIBDIRSUFFIX']=''
env['_LIBFLAGS']='${_stripixes(LIBLINKPREFIX, LIBS, LIBLINKSUFFIX, LIBPREFIXES, LIBSUFFIXES, __env__)}'
env['LIBLINKPREFIX']='-l'
env['LIBLINKSUFFIX']=''
if env['PLATFORM'] == 'hpux':
env['SHLIBSUFFIX'] = '.sl'
elif env['PLATFORM'] == 'aix':
env['SHLIBSUFFIX'] = '.a'
# For most platforms, a loadable module is the same as a shared
# library. Platforms which are different can override these, but
# setting them the same means that LoadableModule works everywhere.
SCons.Tool.createLoadableModuleBuilder(env)
env['LDMODULE'] = '$SHLINK'
# don't set up the emitter, cause AppendUnique will generate a list
# starting with None :-(
env.Append(LDMODULEEMITTER='$SHLIBEMITTER')
env['LDMODULEPREFIX'] = '$SHLIBPREFIX'
env['LDMODULESUFFIX'] = '$SHLIBSUFFIX'
env['LDMODULEFLAGS'] = '$SHLINKFLAGS'
env['LDMODULECOM'] = '$LDMODULE -o $TARGET $LDMODULEFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
def exists(env):
# This module isn't really a Tool on its own, it's common logic for
# other linkers.
return None
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
|
