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
|
"""llvm
Tool-specific initialization for LLVM
"""
#
# Copyright (c) 2009 VMware, Inc.
#
# 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.
#
import os
import os.path
import re
import sys
import distutils.version
import SCons.Errors
import SCons.Util
def generate(env):
try:
llvm_dir = os.environ['LLVM']
except KeyError:
# Do nothing -- use the system headers/libs
llvm_dir = None
else:
if not os.path.isdir(llvm_dir):
raise SCons.Errors.InternalError, "Specified LLVM directory not found"
if env['debug']:
llvm_subdir = 'Debug'
else:
llvm_subdir = 'Release'
llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin')
if not os.path.isdir(llvm_bin_dir):
llvm_bin_dir = os.path.join(llvm_dir, 'bin')
if not os.path.isdir(llvm_bin_dir):
raise SCons.Errors.InternalError, "LLVM binary directory not found"
env.PrependENVPath('PATH', llvm_bin_dir)
if env['platform'] == 'windows':
# XXX: There is no llvm-config on Windows, so assume a standard layout
if llvm_dir is None:
print 'scons: LLVM environment variable must be specified when building for windows'
env.Exit(1)
# Try to determine the LLVM version from llvm/Config/config.h
llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/config.h')
if not os.path.exists(llvm_config):
print 'scons: could not find %s' % llvm_config
env.Exit(1)
llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"')
llvm_version = None
for line in open(llvm_config, 'rt'):
mo = llvm_version_re.match(line)
if mo:
llvm_version = mo.group(1)
llvm_version = distutils.version.LooseVersion(llvm_version)
break
if llvm_version is None:
print 'scons: could not determine the LLVM version from %s' % llvm_config
env.Exit(1)
env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
env.AppendUnique(CPPDEFINES = [
'__STDC_LIMIT_MACROS',
'__STDC_CONSTANT_MACROS',
'HAVE_STDINT_H',
])
env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
if llvm_version >= distutils.version.LooseVersion('2.7'):
# 2.7
env.Prepend(LIBS = [
'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
'LLVMSelectionDAG', 'LLVMX86Info', 'LLVMAsmPrinter',
'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
'LLVMMC', 'LLVMCore', 'LLVMSupport', 'LLVMSystem',
])
else:
# 2.6
env.Prepend(LIBS = [
'LLVMX86AsmParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
'LLVMX86Info', 'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
'LLVMDebugger', 'LLVMBitWriter', 'LLVMAsmParser',
'LLVMArchive', 'LLVMBitReader', 'LLVMSelectionDAG',
'LLVMAsmPrinter', 'LLVMCodeGen', 'LLVMScalarOpts',
'LLVMTransformUtils', 'LLVMipa', 'LLVMAnalysis',
'LLVMTarget', 'LLVMMC', 'LLVMCore', 'LLVMSupport',
'LLVMSystem',
])
env.Append(LIBS = [
'imagehlp',
'psapi',
])
if env['msvc']:
# Some of the LLVM C headers use the inline keyword without
# defining it.
env.Append(CPPDEFINES = [('inline', '__inline')])
if env['debug']:
# LLVM libraries are static, build with /MT, and they
# automatically link agains LIBCMT. When we're doing a
# debug build we'll be linking against LIBCMTD, so disable
# that.
env.Append(LINKFLAGS = ['/nodefaultlib:LIBCMT'])
else:
if not env.Detect('llvm-config'):
print 'scons: llvm-config script not found' % llvm_version
env.Exit(1)
llvm_version = env.backtick('llvm-config --version').rstrip()
llvm_version = distutils.version.LooseVersion(llvm_version)
try:
env.ParseConfig('llvm-config --cppflags')
env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter')
env.ParseConfig('llvm-config --ldflags')
except OSError:
print 'scons: llvm-config version %s failed' % llvm_version
env.Exit(1)
else:
env['LINK'] = env['CXX']
assert llvm_version is not None
print 'scons: Found LLVM version %s' % llvm_version
env['LLVM_VERSION'] = llvm_version
# Define HAVE_LLVM macro with the major/minor version number (e.g., 0x0206 for 2.6)
llvm_version_major = int(llvm_version.version[0])
llvm_version_minor = int(llvm_version.version[1])
llvm_version_hex = '0x%02x%02x' % (llvm_version_major, llvm_version_minor)
env.Prepend(CPPDEFINES = [('HAVE_LLVM', llvm_version_hex)])
def exists(env):
return True
# vim:set ts=4 sw=4 et:
|
