X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=scons%2Fllvm.py;h=dac3555995bc52f26a8c93226bb42ca65b1f6583;hb=92f5e94a9379ed8871890fc4ae8efccd156ac7de;hp=37c503ec986dd959104dae30392979bef7c3b8fc;hpb=ba5d600c90f7075cf2c33a0c5c679ef822e8746e;p=mesa.git diff --git a/scons/llvm.py b/scons/llvm.py index 37c503ec986..dac3555995b 100644 --- a/scons/llvm.py +++ b/scons/llvm.py @@ -29,13 +29,21 @@ Tool-specific initialization for LLVM import os import os.path +import re +import platform as host_platform import sys +import distutils.version import SCons.Errors import SCons.Util +required_llvm_version = '3.9' + + def generate(env): + env['llvm'] = False + try: llvm_dir = os.environ['LLVM'] except KeyError: @@ -43,7 +51,7 @@ def generate(env): llvm_dir = None else: if not os.path.isdir(llvm_dir): - raise SCons.Errors.InternalError, "Specified LLVM directory not found" + raise SCons.Errors.InternalError("Specified LLVM directory not found") if env['debug']: llvm_subdir = 'Debug' @@ -54,77 +62,260 @@ def generate(env): if not os.path.isdir(llvm_bin_dir): llvm_bin_dir = os.path.join(llvm_dir, 'bin') if not os.path.isdir(llvm_bin_dir): - raise SCons.Errors.InternalError, "LLVM binary directory not found" + raise SCons.Errors.InternalError("LLVM binary directory not found") env.PrependENVPath('PATH', llvm_bin_dir) if env['platform'] == 'windows': # XXX: There is no llvm-config on Windows, so assume a standard layout - if llvm_dir is not None: - env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')]) - env.AppendUnique(CPPDEFINES = [ - '__STDC_LIMIT_MACROS', - '__STDC_CONSTANT_MACROS', - 'HAVE_STDINT_H', + 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', ]) - env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')]) + elif llvm_version >= distutils.version.LooseVersion('4.0'): env.Prepend(LIBS = [ - 'LLVMX86AsmParser', - 'LLVMX86AsmPrinter', - 'LLVMX86CodeGen', - 'LLVMX86Info', - 'LLVMLinker', - 'LLVMipo', - 'LLVMInterpreter', - 'LLVMInstrumentation', - 'LLVMJIT', - 'LLVMExecutionEngine', - 'LLVMDebugger', - 'LLVMBitWriter', - 'LLVMAsmParser', - 'LLVMArchive', - 'LLVMBitReader', - 'LLVMSelectionDAG', - 'LLVMAsmPrinter', - 'LLVMCodeGen', - 'LLVMScalarOpts', + 'LLVMX86Disassembler', 'LLVMX86AsmParser', + 'LLVMX86CodeGen', 'LLVMSelectionDAG', 'LLVMAsmPrinter', + 'LLVMDebugInfoCodeView', 'LLVMCodeGen', + 'LLVMScalarOpts', 'LLVMInstCombine', 'LLVMTransformUtils', - 'LLVMipa', - 'LLVMAnalysis', - 'LLVMTarget', - 'LLVMMC', - 'LLVMCore', + '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', - 'LLVMSystem', - 'imagehlp', - 'psapi', + 'LLVMIRReader', 'LLVMASMParser' ]) - if env['msvc']: - # Some of the LLVM C headers use the inline keyword without - # defining it. - env.Append(CPPDEFINES = [('inline', '__inline')]) - if env['debug']: - # 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']) - env['LLVM_VERSION'] = '2.6' - return - elif env.Detect('llvm-config'): - version = env.backtick('llvm-config --version').rstrip() + 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 try: - env.ParseConfig('llvm-config --cppflags') - env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter') - env.ParseConfig('llvm-config --ldflags') + # Treat --cppflags specially to prevent NDEBUG from disabling + # assertion failures in debug builds. + cppflags = env.ParseFlags('!%s --cppflags' % llvm_config) + try: + cppflags['CPPDEFINES'].remove('NDEBUG') + except ValueError: + pass + env.MergeFlags(cppflags) + + # Match llvm --fno-rtti flag + cxxflags = env.backtick('%s --cxxflags' % llvm_config).split() + if '-fno-rtti' in cxxflags: + env.Append(CXXFLAGS = ['-fno-rtti']) + + if llvm_version < distutils.version.LooseVersion('9.0'): + components = ['engine', 'mcjit', 'bitwriter', 'x86asmprinter', 'mcdisassembler', 'irreader'] + else: + components = ['engine', 'mcjit', 'bitwriter', 'mcdisassembler', 'irreader'] + + if llvm_version >= distutils.version.LooseVersion('8.0'): + components.append('coroutines') + + env.ParseConfig('%s --libs ' % llvm_config + ' '.join(components)) + env.ParseConfig('%s --ldflags' % llvm_config) + env.ParseConfig('%s --system-libs' % llvm_config) + env.Append(CXXFLAGS = ['-std=c++14']) except OSError: - print 'llvm-config version %s failed' % version - else: - if env['platform'] == 'windows': - env.Append(LIBS = ['imagehlp', 'psapi']) - env['LINK'] = env['CXX'] - env['LLVM_VERSION'] = version + print('scons: llvm-config version %s failed' % llvm_version) + return + + assert llvm_version is not None + env['llvm'] = True + + print('scons: Found LLVM version %s' % llvm_version) + env['LLVM_VERSION'] = llvm_version + + # Define LLVM_AVAILABLE macro to guard code blocks, and MESA_LLVM_VERSION_STRING + env.Prepend(CPPDEFINES = [('LLVM_AVAILABLE', 1)]) + env.Prepend(CPPDEFINES = [('MESA_LLVM_VERSION_STRING=\\"%s\\"' % llvm_version)]) def exists(env): return True