scons: Detect and support LLVM 2.7.
This commit is contained in:
José Fonseca
parent
419f0f9d04
commit
8edc6b0bfc
136
scons/llvm.py
136
scons/llvm.py
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@ -29,7 +29,9 @@ Tool-specific initialization for LLVM
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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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@ -60,71 +62,97 @@ def generate(env):
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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 not None:
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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_dir is None:
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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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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('2.7'):
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# 2.7
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env.Prepend(LIBS = [
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'LLVMX86AsmParser',
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'LLVMX86AsmPrinter',
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'LLVMX86CodeGen',
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'LLVMX86Info',
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'LLVMLinker',
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'LLVMipo',
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'LLVMInterpreter',
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'LLVMInstrumentation',
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'LLVMJIT',
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'LLVMExecutionEngine',
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'LLVMDebugger',
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'LLVMBitWriter',
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'LLVMAsmParser',
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'LLVMArchive',
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'LLVMBitReader',
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'LLVMSelectionDAG',
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'LLVMAsmPrinter',
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'LLVMCodeGen',
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'LLVMScalarOpts',
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'LLVMTransformUtils',
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'LLVMipa',
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'LLVMAnalysis',
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'LLVMTarget',
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'LLVMMC',
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'LLVMCore',
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'LLVMSupport',
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'LLVMSystem',
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'imagehlp',
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'psapi',
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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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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['debug']:
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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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env['LLVM_VERSION'] = '2.6'
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return
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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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])
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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['debug']:
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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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elif env.Detect('llvm-config'):
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version = env.backtick('llvm-config --version').rstrip()
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llvm_version = env.backtick('llvm-config --version').rstrip()
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try:
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env.ParseConfig('llvm-config --cppflags')
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env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter')
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env.ParseConfig('llvm-config --ldflags')
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except OSError:
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print 'llvm-config version %s failed' % version
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print 'llvm-config version %s failed' % llvm_version
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else:
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if env['platform'] == 'windows':
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env.Append(LIBS = ['imagehlp', 'psapi'])
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env['LINK'] = env['CXX']
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env['LLVM_VERSION'] = version
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else:
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return
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assert llvm_version is not None
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print 'scons: Found LLVM version %s' % llvm_version
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llvm_version = distutils.version.LooseVersion(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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