def generate(env):
+ env['llvm'] = False
+
try:
llvm_dir = os.environ['LLVM']
except KeyError:
# 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)
+ return
# 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)
+ return
llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"')
llvm_version = None
for line in open(llvm_config, 'rt'):
break
if llvm_version is None:
print 'scons: could not determine the LLVM version from %s' % llvm_config
- env.Exit(1)
+ return
env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
env.AppendUnique(CPPDEFINES = [
'HAVE_STDINT_H',
])
env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
- if llvm_version >= distutils.version.LooseVersion('2.7'):
+ if llvm_version >= distutils.version.LooseVersion('3.0'):
+ # 3.0
+ env.Prepend(LIBS = [
+ 'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMX86Desc', 'LLVMSelectionDAG',
+ 'LLVMAsmPrinter', 'LLVMMCParser', 'LLVMX86AsmPrinter',
+ 'LLVMX86Utils', 'LLVMX86Info', 'LLVMJIT',
+ 'LLVMExecutionEngine', 'LLVMCodeGen', 'LLVMScalarOpts',
+ 'LLVMInstCombine', 'LLVMTransformUtils', 'LLVMipa',
+ 'LLVMAnalysis', 'LLVMTarget', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport'
+ ])
+ elif llvm_version >= distutils.version.LooseVersion('2.9'):
+ # 2.9
+ env.Prepend(LIBS = [
+ 'LLVMObject', 'LLVMMCJIT', 'LLVMMCDisassembler',
+ 'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
+ 'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
+ 'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
+ 'LLVMSelectionDAG', 'LLVMX86Utils', 'LLVMX86Info', 'LLVMAsmPrinter',
+ 'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
+ 'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
+ 'LLVMCore', 'LLVMMC', 'LLVMSupport',
+ ])
+ elif llvm_version >= distutils.version.LooseVersion('2.7'):
# 2.7
env.Prepend(LIBS = [
'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
env.Append(LIBS = [
'imagehlp',
'psapi',
+ 'shell32',
+ 'advapi32'
])
if env['msvc']:
# Some of the LLVM C headers use the inline keyword without
else:
if not env.Detect('llvm-config'):
print 'scons: llvm-config script not found' % llvm_version
- env.Exit(1)
+ return
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')
+ # Treat --cppflags specially to prevent NDEBUG from disabling
+ # assertion failures in debug builds.
+ cppflags = env.ParseFlags('!llvm-config --cppflags')
+ try:
+ cppflags['CPPDEFINES'].remove('NDEBUG')
+ except ValueError:
+ pass
+ env.MergeFlags(cppflags)
+
+ env.ParseConfig('llvm-config --libs engine 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']
+ return
assert llvm_version is not None
+ env['llvm'] = True
print 'scons: Found LLVM version %s' % llvm_version
env['LLVM_VERSION'] = llvm_version