mirror of
https://github.com/KolibriOS/kolibrios.git
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223 lines
9.1 KiB
Python
223 lines
9.1 KiB
Python
"""llvm
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Tool-specific initialization for LLVM
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"""
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#
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# Copyright (c) 2009 VMware, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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import os
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import os.path
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import re
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import sys
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import distutils.version
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import SCons.Errors
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import SCons.Util
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def generate(env):
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env['llvm'] = False
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try:
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llvm_dir = os.environ['LLVM']
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except KeyError:
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# Do nothing -- use the system headers/libs
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llvm_dir = None
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else:
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if not os.path.isdir(llvm_dir):
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raise SCons.Errors.InternalError, "Specified LLVM directory not found"
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if env['debug']:
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llvm_subdir = 'Debug'
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else:
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llvm_subdir = 'Release'
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llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin')
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if not os.path.isdir(llvm_bin_dir):
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llvm_bin_dir = os.path.join(llvm_dir, 'bin')
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if not os.path.isdir(llvm_bin_dir):
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raise SCons.Errors.InternalError, "LLVM binary directory not found"
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env.PrependENVPath('PATH', llvm_bin_dir)
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if env['platform'] == 'windows':
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# XXX: There is no llvm-config on Windows, so assume a standard layout
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if llvm_dir is None:
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print 'scons: LLVM environment variable must be specified when building for windows'
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return
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# Try to determine the LLVM version from llvm/Config/config.h
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llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/config.h')
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if not os.path.exists(llvm_config):
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print 'scons: could not find %s' % llvm_config
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return
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llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"')
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llvm_version = None
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for line in open(llvm_config, 'rt'):
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mo = llvm_version_re.match(line)
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if mo:
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llvm_version = mo.group(1)
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llvm_version = distutils.version.LooseVersion(llvm_version)
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break
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if llvm_version is None:
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print 'scons: could not determine the LLVM version from %s' % llvm_config
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return
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env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
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env.AppendUnique(CPPDEFINES = [
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'__STDC_LIMIT_MACROS',
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'__STDC_CONSTANT_MACROS',
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'HAVE_STDINT_H',
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])
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env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
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if llvm_version >= distutils.version.LooseVersion('3.2'):
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# 3.2
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env.Prepend(LIBS = [
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'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
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'LLVMX86CodeGen', 'LLVMX86Desc', 'LLVMSelectionDAG',
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'LLVMAsmPrinter', 'LLVMMCParser', 'LLVMX86AsmPrinter',
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'LLVMX86Utils', 'LLVMX86Info', 'LLVMJIT',
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'LLVMExecutionEngine', 'LLVMCodeGen', 'LLVMScalarOpts',
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'LLVMInstCombine', 'LLVMTransformUtils', 'LLVMipa',
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'LLVMAnalysis', 'LLVMTarget', 'LLVMMC', 'LLVMCore',
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'LLVMSupport', 'LLVMRuntimeDyld', 'LLVMObject'
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])
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elif llvm_version >= distutils.version.LooseVersion('3.0'):
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# 3.0
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env.Prepend(LIBS = [
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'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
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'LLVMX86CodeGen', 'LLVMX86Desc', 'LLVMSelectionDAG',
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'LLVMAsmPrinter', 'LLVMMCParser', 'LLVMX86AsmPrinter',
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'LLVMX86Utils', 'LLVMX86Info', 'LLVMJIT',
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'LLVMExecutionEngine', 'LLVMCodeGen', 'LLVMScalarOpts',
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'LLVMInstCombine', 'LLVMTransformUtils', 'LLVMipa',
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'LLVMAnalysis', 'LLVMTarget', 'LLVMMC', 'LLVMCore',
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'LLVMSupport'
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])
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elif llvm_version >= distutils.version.LooseVersion('2.9'):
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# 2.9
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env.Prepend(LIBS = [
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'LLVMObject', 'LLVMMCJIT', 'LLVMMCDisassembler',
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'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
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'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
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'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
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'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
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'LLVMSelectionDAG', 'LLVMX86Utils', 'LLVMX86Info', 'LLVMAsmPrinter',
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'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
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'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
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'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
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'LLVMCore', 'LLVMMC', 'LLVMSupport',
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])
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elif llvm_version >= distutils.version.LooseVersion('2.7'):
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# 2.7
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env.Prepend(LIBS = [
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'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
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'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
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'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
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'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
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'LLVMSelectionDAG', 'LLVMX86Info', 'LLVMAsmPrinter',
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'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
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'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
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'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
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'LLVMMC', 'LLVMCore', 'LLVMSupport', 'LLVMSystem',
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])
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else:
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# 2.6
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env.Prepend(LIBS = [
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'LLVMX86AsmParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
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'LLVMX86Info', 'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
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'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
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'LLVMDebugger', 'LLVMBitWriter', 'LLVMAsmParser',
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'LLVMArchive', 'LLVMBitReader', 'LLVMSelectionDAG',
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'LLVMAsmPrinter', 'LLVMCodeGen', 'LLVMScalarOpts',
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'LLVMTransformUtils', 'LLVMipa', 'LLVMAnalysis',
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'LLVMTarget', 'LLVMMC', 'LLVMCore', 'LLVMSupport',
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'LLVMSystem',
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])
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env.Append(LIBS = [
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'imagehlp',
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'psapi',
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'shell32',
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'advapi32'
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])
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if env['msvc']:
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# Some of the LLVM C headers use the inline keyword without
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# defining it.
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env.Append(CPPDEFINES = [('inline', '__inline')])
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if env['build'] in ('debug', 'checked'):
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# LLVM libraries are static, build with /MT, and they
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# automatically link agains LIBCMT. When we're doing a
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# debug build we'll be linking against LIBCMTD, so disable
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# that.
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env.Append(LINKFLAGS = ['/nodefaultlib:LIBCMT'])
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else:
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if not env.Detect('llvm-config'):
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print 'scons: llvm-config script not found'
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return
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llvm_version = env.backtick('llvm-config --version').rstrip()
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llvm_version = distutils.version.LooseVersion(llvm_version)
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try:
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# Treat --cppflags specially to prevent NDEBUG from disabling
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# assertion failures in debug builds.
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cppflags = env.ParseFlags('!llvm-config --cppflags')
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try:
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cppflags['CPPDEFINES'].remove('NDEBUG')
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except ValueError:
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pass
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env.MergeFlags(cppflags)
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components = ['engine', 'bitwriter', 'x86asmprinter']
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if llvm_version >= distutils.version.LooseVersion('3.1'):
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components.append('mcjit')
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if llvm_version >= distutils.version.LooseVersion('3.2'):
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env.Append(CXXFLAGS = ('-fno-rtti',))
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env.ParseConfig('llvm-config --libs ' + ' '.join(components))
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env.ParseConfig('llvm-config --ldflags')
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except OSError:
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print 'scons: llvm-config version %s failed' % llvm_version
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return
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assert llvm_version is not None
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env['llvm'] = True
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print 'scons: Found LLVM version %s' % llvm_version
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env['LLVM_VERSION'] = llvm_version
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# Define HAVE_LLVM macro with the major/minor version number (e.g., 0x0206 for 2.6)
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llvm_version_major = int(llvm_version.version[0])
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llvm_version_minor = int(llvm_version.version[1])
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llvm_version_hex = '0x%02x%02x' % (llvm_version_major, llvm_version_minor)
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env.Prepend(CPPDEFINES = [('HAVE_LLVM', llvm_version_hex)])
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def exists(env):
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return True
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# vim:set ts=4 sw=4 et:
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