+ 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')
+ return
+
+ # Try to determine the LLVM version from llvm/Config/config.h
+ llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/llvm-config.h')
+ if not os.path.exists(llvm_config):
+ print('scons: could not find %s' % llvm_config)
+ return
+ llvm_version_major_re = re.compile(r'^#define LLVM_VERSION_MAJOR ([0-9]+)')
+ llvm_version_minor_re = re.compile(r'^#define LLVM_VERSION_MINOR ([0-9]+)')
+ llvm_version = None
+ llvm_version_major = None
+ llvm_version_minor = None
+ for line in open(llvm_config, 'rt'):
+ mo = llvm_version_major_re.match(line)
+ if mo:
+ llvm_version_major = mo.group(1)
+ mo = llvm_version_minor_re.match(line)
+ if mo:
+ llvm_version_minor = mo.group(1)
+ if llvm_version_major is not None and llvm_version_minor is not None:
+ llvm_version = distutils.version.LooseVersion('%s.%s' % (llvm_version_major, llvm_version_minor))
+
+ if llvm_version is None:
+ print('scons: could not determine the LLVM version from %s' % llvm_config)
+ return
+ if llvm_version < distutils.version.LooseVersion(required_llvm_version):
+ print('scons: LLVM version %s found, but %s is required' % (llvm_version, required_llvm_version))
+ return
+
+ env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
+ env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
+
+ # LLVM 5.0 and newer requires MinGW w/ pthreads due to use of std::thread and friends.
+ if llvm_version >= distutils.version.LooseVersion('5.0') and env['crosscompile']:
+ assert env['gcc']
+ env.AppendUnique(CXXFLAGS = ['-posix'])
+
+ # LIBS should match the output of `llvm-config --libs engine mcjit bitwriter x86asmprinter irreader` for LLVM<=7.0
+ # and `llvm-config --libs engine coroutines` for LLVM>=8.0
+ # LLVMAggressiveInstCombine library part of engine component since LLVM 6 is only needed by Mesa3D for LLVM>=8.
+ # While not directly needed by Mesa3D, this library is needed by LLVMipo which is part of coroutines component.
+ if llvm_version >= distutils.version.LooseVersion('10.0'):
+ env.Prepend(LIBS = [
+ 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter',
+ 'LLVMDebugInfoCodeView', 'LLVMCodeGen',
+ 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMTransformUtils',
+ 'LLVMBitWriter', 'LLVMX86Desc',
+ 'LLVMMCDisassembler', 'LLVMX86Info',
+ 'LLVMX86Utils',
+ 'LLVMMCJIT', 'LLVMExecutionEngine', 'LLVMTarget',
+ 'LLVMAnalysis', 'LLVMProfileData',
+ 'LLVMRuntimeDyld', 'LLVMObject', 'LLVMMCParser',
+ 'LLVMBitReader', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport',
+ 'LLVMIRReader', 'LLVMAsmParser',
+ 'LLVMDemangle', 'LLVMGlobalISel', 'LLVMDebugInfoMSF',
+ 'LLVMBinaryFormat',
+ 'LLVMRemarks', 'LLVMBitstreamReader', 'LLVMDebugInfoDWARF',
+ 'LLVMAggressiveInstCombine','LLVMLinker', 'LLVMVectorize',
+ 'LLVMInstrumentation', 'LLVMipo', 'LLVMCoroutines',
+ 'LLVMCFGuard', 'LLVMTextAPI',
+ ])
+ elif llvm_version >= distutils.version.LooseVersion('9.0'):
+ env.Prepend(LIBS = [
+ 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter',
+ 'LLVMDebugInfoCodeView', 'LLVMCodeGen',
+ 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMTransformUtils',
+ 'LLVMBitWriter', 'LLVMX86Desc',
+ 'LLVMMCDisassembler', 'LLVMX86Info',
+ 'LLVMX86Utils',
+ 'LLVMMCJIT', 'LLVMExecutionEngine', 'LLVMTarget',
+ 'LLVMAnalysis', 'LLVMProfileData',
+ 'LLVMRuntimeDyld', 'LLVMObject', 'LLVMMCParser',
+ 'LLVMBitReader', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport',
+ 'LLVMIRReader', 'LLVMAsmParser',
+ 'LLVMDemangle', 'LLVMGlobalISel', 'LLVMDebugInfoMSF',
+ 'LLVMBinaryFormat',
+ 'LLVMRemarks', 'LLVMBitstreamReader', 'LLVMDebugInfoDWARF',
+ # Add these libraries to enable ompute shaders support.
+ 'LLVMAggressiveInstCombine','LLVMLinker', 'LLVMVectorize',
+ 'LLVMInstrumentation', 'LLVMipo', 'LLVMCoroutines',
+ ])
+ elif llvm_version >= distutils.version.LooseVersion('8.0'):
+ env.Prepend(LIBS = [
+ 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter',
+ 'LLVMDebugInfoCodeView', 'LLVMCodeGen',
+ 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMTransformUtils',
+ 'LLVMBitWriter', 'LLVMX86Desc',
+ 'LLVMMCDisassembler', 'LLVMX86Info',
+ 'LLVMX86AsmPrinter', 'LLVMX86Utils',
+ 'LLVMMCJIT', 'LLVMExecutionEngine', 'LLVMTarget',
+ 'LLVMAnalysis', 'LLVMProfileData',
+ 'LLVMRuntimeDyld', 'LLVMObject', 'LLVMMCParser',
+ 'LLVMBitReader', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport',
+ 'LLVMIRReader', 'LLVMAsmParser',
+ 'LLVMDemangle', 'LLVMGlobalISel', 'LLVMDebugInfoMSF',
+ 'LLVMBinaryFormat',
+ # Add these libraries to enable ompute shaders support.
+ 'LLVMAggressiveInstCombine', 'LLVMLinker', 'LLVMVectorize',
+ 'LLVMInstrumentation', 'LLVMipo', 'LLVMCoroutines',
+ ])
+ elif llvm_version >= distutils.version.LooseVersion('5.0'):
+ env.Prepend(LIBS = [
+ 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter',
+ 'LLVMDebugInfoCodeView', 'LLVMCodeGen',
+ 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMTransformUtils',
+ 'LLVMBitWriter', 'LLVMX86Desc',
+ 'LLVMMCDisassembler', 'LLVMX86Info',
+ 'LLVMX86AsmPrinter', 'LLVMX86Utils',
+ 'LLVMMCJIT', 'LLVMExecutionEngine', 'LLVMTarget',
+ 'LLVMAnalysis', 'LLVMProfileData',
+ 'LLVMRuntimeDyld', 'LLVMObject', 'LLVMMCParser',
+ 'LLVMBitReader', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport',
+ 'LLVMIRReader', 'LLVMAsmParser',
+ 'LLVMDemangle', 'LLVMGlobalISel', 'LLVMDebugInfoMSF',
+ 'LLVMBinaryFormat',
+ ])
+ elif llvm_version >= distutils.version.LooseVersion('4.0'):
+ env.Prepend(LIBS = [
+ 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter',
+ 'LLVMDebugInfoCodeView', 'LLVMCodeGen',
+ 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMTransformUtils',
+ 'LLVMBitWriter', 'LLVMX86Desc',
+ 'LLVMMCDisassembler', 'LLVMX86Info',
+ 'LLVMX86AsmPrinter', 'LLVMX86Utils',
+ 'LLVMMCJIT', 'LLVMExecutionEngine', 'LLVMTarget',
+ 'LLVMAnalysis', 'LLVMProfileData',
+ 'LLVMRuntimeDyld', 'LLVMObject', 'LLVMMCParser',
+ 'LLVMBitReader', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport',
+ 'LLVMIRReader', 'LLVMAsmParser',
+ 'LLVMDemangle', 'LLVMGlobalISel', 'LLVMDebugInfoMSF',
+ ])
+ else:
+ env.Prepend(LIBS = [
+ 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+ 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter',
+ 'LLVMDebugInfoCodeView', 'LLVMCodeGen',
+ 'LLVMScalarOpts', 'LLVMInstCombine',
+ 'LLVMInstrumentation', 'LLVMTransformUtils',
+ 'LLVMBitWriter', 'LLVMX86Desc',
+ 'LLVMMCDisassembler', 'LLVMX86Info',
+ 'LLVMX86AsmPrinter', 'LLVMX86Utils',
+ 'LLVMMCJIT', 'LLVMExecutionEngine', 'LLVMTarget',
+ 'LLVMAnalysis', 'LLVMProfileData',
+ 'LLVMRuntimeDyld', 'LLVMObject', 'LLVMMCParser',
+ 'LLVMBitReader', 'LLVMMC', 'LLVMCore',
+ 'LLVMSupport',
+ 'LLVMIRReader', 'LLVMASMParser'
+ ])
+ env.Append(LIBS = [
+ 'imagehlp',
+ 'psapi',
+ 'shell32',
+ 'advapi32',
+ 'ole32',
+ 'uuid',
+ ])
+
+ # Mingw-w64 zlib is required when building with LLVM support in MSYS2 environment
+ if host_platform.system().lower().startswith('mingw'):
+ env.Append(LIBS = [
+ 'z',
+ ])
+
+ if env['msvc']:
+ # Some of the LLVM C headers use the inline keyword without
+ # defining it.
+ env.Append(CPPDEFINES = [('inline', '__inline')])
+ # Match some of the warning options from llvm/cmake/modules/HandleLLVMOptions.cmake
+ env.AppendUnique(CXXFLAGS = [
+ '/wd4355', # 'this' : used in base member initializer list
+ '/wd4624', # 'derived class' : destructor could not be generated because a base class destructor is inaccessible
+ ])
+ if env['build'] in ('debug', 'checked'):
+ # 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:
+ llvm_config = os.environ.get('LLVM_CONFIG', 'llvm-config')
+ if not env.Detect(llvm_config):
+ print('scons: %s script not found' % llvm_config)
+ return
+
+ llvm_version = env.backtick('%s --version' % llvm_config).rstrip()
+ llvm_version = distutils.version.LooseVersion(llvm_version)
+
+ if llvm_version < distutils.version.LooseVersion(required_llvm_version):
+ print('scons: LLVM version %s found, but %s is required' % (llvm_version, required_llvm_version))
+ return