José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 1 | """llvm |
| 2 | |
| 3 | Tool-specific initialization for LLVM |
| 4 | |
| 5 | """ |
| 6 | |
| 7 | # |
| 8 | # Copyright (c) 2009 VMware, Inc. |
| 9 | # |
| 10 | # Permission is hereby granted, free of charge, to any person obtaining |
| 11 | # a copy of this software and associated documentation files (the |
| 12 | # "Software"), to deal in the Software without restriction, including |
| 13 | # without limitation the rights to use, copy, modify, merge, publish, |
| 14 | # distribute, sublicense, and/or sell copies of the Software, and to |
| 15 | # permit persons to whom the Software is furnished to do so, subject to |
| 16 | # the following conditions: |
| 17 | # |
| 18 | # The above copyright notice and this permission notice shall be included |
| 19 | # in all copies or substantial portions of the Software. |
| 20 | # |
| 21 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY |
| 22 | # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE |
| 23 | # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 24 | # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 25 | # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 26 | # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 27 | # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 28 | # |
| 29 | |
| 30 | import os |
| 31 | import os.path |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 32 | import re |
José Fonseca | bf48447 | 2009-10-22 19:11:48 +0100 | [diff] [blame] | 33 | import sys |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 34 | import distutils.version |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 35 | |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 36 | import SCons.Errors |
| 37 | import SCons.Util |
| 38 | |
| 39 | |
José Fonseca | c0ef9a6 | 2014-05-08 13:32:07 +0100 | [diff] [blame] | 40 | required_llvm_version = '3.1' |
| 41 | |
| 42 | |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 43 | def generate(env): |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 44 | env['llvm'] = False |
| 45 | |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 46 | try: |
| 47 | llvm_dir = os.environ['LLVM'] |
| 48 | except KeyError: |
| 49 | # Do nothing -- use the system headers/libs |
José Fonseca | bf48447 | 2009-10-22 19:11:48 +0100 | [diff] [blame] | 50 | llvm_dir = None |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 51 | else: |
| 52 | if not os.path.isdir(llvm_dir): |
| 53 | raise SCons.Errors.InternalError, "Specified LLVM directory not found" |
| 54 | |
| 55 | if env['debug']: |
| 56 | llvm_subdir = 'Debug' |
| 57 | else: |
| 58 | llvm_subdir = 'Release' |
| 59 | |
| 60 | llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin') |
| 61 | if not os.path.isdir(llvm_bin_dir): |
José Fonseca | 459ea00 | 2009-09-16 10:39:06 +0100 | [diff] [blame] | 62 | llvm_bin_dir = os.path.join(llvm_dir, 'bin') |
| 63 | if not os.path.isdir(llvm_bin_dir): |
| 64 | raise SCons.Errors.InternalError, "LLVM binary directory not found" |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 65 | |
| 66 | env.PrependENVPath('PATH', llvm_bin_dir) |
| 67 | |
José Fonseca | 9e3728c | 2009-11-25 18:06:12 +0000 | [diff] [blame] | 68 | if env['platform'] == 'windows': |
José Fonseca | bf48447 | 2009-10-22 19:11:48 +0100 | [diff] [blame] | 69 | # XXX: There is no llvm-config on Windows, so assume a standard layout |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 70 | if llvm_dir is None: |
José Fonseca | ea532f0 | 2010-04-10 02:41:39 +0100 | [diff] [blame] | 71 | print 'scons: LLVM environment variable must be specified when building for windows' |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 72 | return |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 73 | |
| 74 | # Try to determine the LLVM version from llvm/Config/config.h |
| 75 | llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/config.h') |
| 76 | if not os.path.exists(llvm_config): |
| 77 | print 'scons: could not find %s' % llvm_config |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 78 | return |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 79 | llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"') |
| 80 | llvm_version = None |
| 81 | for line in open(llvm_config, 'rt'): |
| 82 | mo = llvm_version_re.match(line) |
| 83 | if mo: |
| 84 | llvm_version = mo.group(1) |
José Fonseca | 19a6333 | 2010-03-06 09:18:15 +0000 | [diff] [blame] | 85 | llvm_version = distutils.version.LooseVersion(llvm_version) |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 86 | break |
| 87 | if llvm_version is None: |
| 88 | print 'scons: could not determine the LLVM version from %s' % llvm_config |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 89 | return |
José Fonseca | c0ef9a6 | 2014-05-08 13:32:07 +0100 | [diff] [blame] | 90 | if llvm_version < distutils.version.LooseVersion(required_llvm_version): |
| 91 | print 'scons: LLVM version %s found, but %s is required' % (llvm_version, required_llvm_version) |
| 92 | return |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 93 | |
| 94 | env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')]) |
| 95 | env.AppendUnique(CPPDEFINES = [ |
| 96 | '__STDC_LIMIT_MACROS', |
| 97 | '__STDC_CONSTANT_MACROS', |
| 98 | 'HAVE_STDINT_H', |
| 99 | ]) |
| 100 | env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')]) |
Keith Kriewall | efd8311 | 2013-02-28 15:40:02 +0000 | [diff] [blame] | 101 | if llvm_version >= distutils.version.LooseVersion('3.2'): |
| 102 | # 3.2 |
| 103 | env.Prepend(LIBS = [ |
| 104 | 'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser', |
| 105 | 'LLVMX86CodeGen', 'LLVMX86Desc', 'LLVMSelectionDAG', |
| 106 | 'LLVMAsmPrinter', 'LLVMMCParser', 'LLVMX86AsmPrinter', |
José Fonseca | 2c02f34 | 2014-05-14 12:20:14 +0100 | [diff] [blame] | 107 | 'LLVMX86Utils', 'LLVMX86Info', 'LLVMMCJIT', 'LLVMJIT', |
Keith Kriewall | efd8311 | 2013-02-28 15:40:02 +0000 | [diff] [blame] | 108 | 'LLVMExecutionEngine', 'LLVMCodeGen', 'LLVMScalarOpts', |
| 109 | 'LLVMInstCombine', 'LLVMTransformUtils', 'LLVMipa', |
| 110 | 'LLVMAnalysis', 'LLVMTarget', 'LLVMMC', 'LLVMCore', |
| 111 | 'LLVMSupport', 'LLVMRuntimeDyld', 'LLVMObject' |
| 112 | ]) |
José Fonseca | c0ef9a6 | 2014-05-08 13:32:07 +0100 | [diff] [blame] | 113 | else: |
| 114 | # 3.1 |
José Fonseca | a1482b2 | 2012-02-23 11:50:42 +0000 | [diff] [blame] | 115 | env.Prepend(LIBS = [ |
| 116 | 'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser', |
| 117 | 'LLVMX86CodeGen', 'LLVMX86Desc', 'LLVMSelectionDAG', |
| 118 | 'LLVMAsmPrinter', 'LLVMMCParser', 'LLVMX86AsmPrinter', |
José Fonseca | 2c02f34 | 2014-05-14 12:20:14 +0100 | [diff] [blame] | 119 | 'LLVMX86Utils', 'LLVMX86Info', 'LLVMMCJIT', 'LLVMJIT', |
José Fonseca | a1482b2 | 2012-02-23 11:50:42 +0000 | [diff] [blame] | 120 | 'LLVMExecutionEngine', 'LLVMCodeGen', 'LLVMScalarOpts', |
| 121 | 'LLVMInstCombine', 'LLVMTransformUtils', 'LLVMipa', |
| 122 | 'LLVMAnalysis', 'LLVMTarget', 'LLVMMC', 'LLVMCore', |
| 123 | 'LLVMSupport' |
| 124 | ]) |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 125 | env.Append(LIBS = [ |
| 126 | 'imagehlp', |
| 127 | 'psapi', |
Brian Paul | 3d1af78 | 2011-08-25 15:14:37 -0600 | [diff] [blame] | 128 | 'shell32', |
| 129 | 'advapi32' |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 130 | ]) |
| 131 | if env['msvc']: |
| 132 | # Some of the LLVM C headers use the inline keyword without |
| 133 | # defining it. |
| 134 | env.Append(CPPDEFINES = [('inline', '__inline')]) |
José Fonseca | e3a3a53 | 2010-09-29 14:24:52 +0100 | [diff] [blame] | 135 | if env['build'] in ('debug', 'checked'): |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 136 | # LLVM libraries are static, build with /MT, and they |
| 137 | # automatically link agains LIBCMT. When we're doing a |
| 138 | # debug build we'll be linking against LIBCMTD, so disable |
| 139 | # that. |
| 140 | env.Append(LINKFLAGS = ['/nodefaultlib:LIBCMT']) |
José Fonseca | ea532f0 | 2010-04-10 02:41:39 +0100 | [diff] [blame] | 141 | else: |
| 142 | if not env.Detect('llvm-config'): |
José Fonseca | 3950953 | 2013-03-05 22:46:01 +0000 | [diff] [blame] | 143 | print 'scons: llvm-config script not found' |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 144 | return |
José Fonseca | ea532f0 | 2010-04-10 02:41:39 +0100 | [diff] [blame] | 145 | |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 146 | llvm_version = env.backtick('llvm-config --version').rstrip() |
José Fonseca | 19a6333 | 2010-03-06 09:18:15 +0000 | [diff] [blame] | 147 | llvm_version = distutils.version.LooseVersion(llvm_version) |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 148 | |
José Fonseca | c0ef9a6 | 2014-05-08 13:32:07 +0100 | [diff] [blame] | 149 | if llvm_version < distutils.version.LooseVersion(required_llvm_version): |
| 150 | print 'scons: LLVM version %s found, but %s is required' % (llvm_version, required_llvm_version) |
| 151 | return |
| 152 | |
Vinson Lee | 79f48c9 | 2009-09-07 15:16:25 +0100 | [diff] [blame] | 153 | try: |
José Fonseca | acf8219 | 2011-07-11 15:36:40 +0100 | [diff] [blame] | 154 | # Treat --cppflags specially to prevent NDEBUG from disabling |
| 155 | # assertion failures in debug builds. |
| 156 | cppflags = env.ParseFlags('!llvm-config --cppflags') |
| 157 | try: |
| 158 | cppflags['CPPDEFINES'].remove('NDEBUG') |
| 159 | except ValueError: |
| 160 | pass |
| 161 | env.MergeFlags(cppflags) |
| 162 | |
Alexander von Gluck IV | 9aad1ba | 2013-10-16 20:24:13 -0500 | [diff] [blame] | 163 | # Match llvm --fno-rtti flag |
| 164 | cxxflags = env.backtick('llvm-config --cxxflags').split() |
| 165 | if '-fno-rtti' in cxxflags: |
| 166 | env.Append(CXXFLAGS = ['-fno-rtti']) |
| 167 | |
José Fonseca | 2c02f34 | 2014-05-14 12:20:14 +0100 | [diff] [blame] | 168 | components = ['engine', 'mcjit', 'bitwriter', 'x86asmprinter'] |
José Fonseca | 3469715 | 2012-07-13 18:09:30 +0100 | [diff] [blame] | 169 | |
| 170 | env.ParseConfig('llvm-config --libs ' + ' '.join(components)) |
Vinson Lee | 79f48c9 | 2009-09-07 15:16:25 +0100 | [diff] [blame] | 171 | env.ParseConfig('llvm-config --ldflags') |
Vinson Lee | 35a3414 | 2013-12-19 15:55:28 -0800 | [diff] [blame] | 172 | if llvm_version >= distutils.version.LooseVersion('3.5'): |
| 173 | env.ParseConfig('llvm-config --system-libs') |
Vinson Lee | f2d724c | 2014-03-01 18:31:07 -0800 | [diff] [blame] | 174 | env.Append(CXXFLAGS = ['-std=c++11']) |
Vinson Lee | 79f48c9 | 2009-09-07 15:16:25 +0100 | [diff] [blame] | 175 | except OSError: |
José Fonseca | ea532f0 | 2010-04-10 02:41:39 +0100 | [diff] [blame] | 176 | print 'scons: llvm-config version %s failed' % llvm_version |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 177 | return |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 178 | |
| 179 | assert llvm_version is not None |
José Fonseca | 601498a | 2010-11-01 13:30:22 +0000 | [diff] [blame] | 180 | env['llvm'] = True |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 181 | |
| 182 | print 'scons: Found LLVM version %s' % llvm_version |
José Fonseca | 8edc6b0 | 2010-03-05 15:07:50 +0000 | [diff] [blame] | 183 | env['LLVM_VERSION'] = llvm_version |
| 184 | |
| 185 | # Define HAVE_LLVM macro with the major/minor version number (e.g., 0x0206 for 2.6) |
| 186 | llvm_version_major = int(llvm_version.version[0]) |
| 187 | llvm_version_minor = int(llvm_version.version[1]) |
| 188 | llvm_version_hex = '0x%02x%02x' % (llvm_version_major, llvm_version_minor) |
| 189 | env.Prepend(CPPDEFINES = [('HAVE_LLVM', llvm_version_hex)]) |
José Fonseca | 836a9f0 | 2009-09-01 12:22:52 +0100 | [diff] [blame] | 190 | |
| 191 | def exists(env): |
| 192 | return True |
| 193 | |
| 194 | # vim:set ts=4 sw=4 et: |