libclc/configure.py

   1 #!/usr/bin/python
   2 from __future__ import print_function
   3
   4 def c_compiler_rule(b, name, description, compiler, flags):
   5   command = "%s -MMD -MF $out.d %s -c -o $out $in" % (compiler, flags)
   6   b.rule(name, command, description + " $out", depfile="$out.d")
   7
   8 version_major = 0;
   9 version_minor = 2;
  10 version_patch = 0;
  11
  12 from optparse import OptionParser
  13 import os
  14 import string
  15 from subprocess import *
  16 import sys
  17
  18 srcdir = os.path.dirname(sys.argv[0])
  19
  20 sys.path.insert(0, os.path.join(srcdir, 'build'))
  21 import metabuild
  22
  23 p = OptionParser()
  24 p.add_option('--with-llvm-config', metavar='PATH',
  25              help='use given llvm-config script')
  26 p.add_option('--with-cxx-compiler', metavar='PATH',
  27              help='use given C++ compiler')
  28 p.add_option('--prefix', metavar='PATH',
  29              help='install to given prefix')
  30 p.add_option('--libexecdir', metavar='PATH',
  31              help='install *.bc to given dir')
  32 p.add_option('--includedir', metavar='PATH',
  33              help='install include files to given dir')
  34 p.add_option('--pkgconfigdir', metavar='PATH',
  35              help='install clc.pc to given dir')
  36 p.add_option('-g', metavar='GENERATOR', default='make',
  37              help='use given generator (default: make)')
  38 p.add_option('--enable-runtime-subnormal', action="store_true", default=False,
  39              help='Allow runtimes to choose subnormal support')
  40 (options, args) = p.parse_args()
  41
  42 llvm_config_exe = options.with_llvm_config or "llvm-config"
  43
  44 prefix = options.prefix
  45 if not prefix:
  46   prefix = '/usr/local'
  47
  48 libexecdir = options.libexecdir
  49 if not libexecdir:
  50   libexecdir = os.path.join(prefix, 'lib/clc')
  51
  52 includedir = options.includedir
  53 if not includedir:
  54   includedir = os.path.join(prefix, 'include')
  55
  56 pkgconfigdir = options.pkgconfigdir
  57 if not pkgconfigdir:
  58   pkgconfigdir = os.path.join(prefix, 'share/pkgconfig')
  59
  60 def llvm_config(args):
  61   try:
  62     # Universal newlines translate different newline formats to '\n'
  63     # it also force the input to be string instead of bytes in python 3
  64     proc = Popen([llvm_config_exe] + args, stdout=PIPE, universal_newlines=True)
  65     return proc.communicate()[0].rstrip().replace('\n', ' ')
  66   except OSError:
  67     print("Error executing llvm-config.")
  68     print("Please ensure that llvm-config is in your $PATH, or use --with-llvm-config.")
  69     sys.exit(1)
  70
  71 llvm_version = llvm_config(['--version']).replace('svn', '').split('.')
  72 llvm_int_version = int(llvm_version[0]) * 100 + int(llvm_version[1]) * 10
  73 llvm_string_version = llvm_version[0] + '.' + llvm_version[1]
  74
  75 if llvm_int_version < 390:
  76     print("libclc requires LLVM >= 3.9")
  77     sys.exit(1)
  78
  79 llvm_system_libs = llvm_config(['--system-libs'])
  80 llvm_bindir = llvm_config(['--bindir'])
  81 llvm_core_libs = llvm_config(['--libs', 'core', 'bitreader', 'bitwriter']) + ' ' + \
  82                  llvm_system_libs + ' ' + \
  83                  llvm_config(['--ldflags'])
  84 llvm_cxxflags = llvm_config(['--cxxflags']) + ' -fno-exceptions -fno-rtti ' + \
  85                 '-DHAVE_LLVM=0x{:0=4}'.format(llvm_int_version)
  86 llvm_libdir = llvm_config(['--libdir'])
  87
  88 llvm_clang = os.path.join(llvm_bindir, 'clang')
  89 llvm_link = os.path.join(llvm_bindir, 'llvm-link')
  90 llvm_opt = os.path.join(llvm_bindir, 'opt')
  91
  92 cxx_compiler = options.with_cxx_compiler
  93 if not cxx_compiler:
  94   cxx_compiler = os.path.join(llvm_bindir, 'clang++')
  95
  96 available_targets = {
  97   'r600--' : { 'devices' :
  98                [{'gpu' : 'cedar',   'aliases' : ['palm', 'sumo', 'sumo2', 'redwood', 'juniper']},
  99                 {'gpu' : 'cypress', 'aliases' : ['hemlock'] },
 100                 {'gpu' : 'barts',   'aliases' : ['turks', 'caicos'] },
 101                 {'gpu' : 'cayman',  'aliases' : ['aruba']} ]},
 102   'amdgcn--': { 'devices' :
 103                 [{'gpu' : 'tahiti', 'aliases' : ['pitcairn', 'verde', 'oland', 'hainan', 'bonaire', 'kabini', 'kaveri', 'hawaii','mullins','tonga','carrizo','iceland','fiji','stoney','polaris10','polaris11']} ]},
 104   'amdgcn--amdhsa': { 'devices' :
 105                       [{'gpu' : '', 'aliases' : ['bonaire', 'hawaii', 'kabini', 'kaveri', 'mullins', 'carrizo', 'stoney', 'fiji', 'iceland', 'tonga','polaris10','polaris11']} ]},
 106   'nvptx--'   : { 'devices' : [{'gpu' : '', 'aliases' : []} ]},
 107   'nvptx64--' : { 'devices' : [{'gpu' : '', 'aliases' : []} ]},
 108   'nvptx--nvidiacl'   : { 'devices' : [{'gpu' : '', 'aliases' : []} ]},
 109   'nvptx64--nvidiacl' : { 'devices' : [{'gpu' : '', 'aliases' : []} ]},
 110 }
 111
 112
 113 default_targets = ['nvptx--nvidiacl', 'nvptx64--nvidiacl', 'r600--', 'amdgcn--', 'amdgcn--amdhsa']
 114
 115 #mesa is using amdgcn-mesa-mesa3d since llvm-4.0
 116 if llvm_int_version > 390:
 117     available_targets['amdgcn-mesa-mesa3d'] = available_targets['amdgcn--']
 118     default_targets.append('amdgcn-mesa-mesa3d')
 119
 120 targets = args
 121 if not targets:
 122   targets = default_targets
 123
 124 b = metabuild.from_name(options.g)
 125
 126 b.rule("LLVM_AS", "%s -o $out $in" % os.path.join(llvm_bindir, "llvm-as"),
 127        'LLVM-AS $out')
 128 b.rule("LLVM_LINK", command = llvm_link + " -o $out $in",
 129        description = 'LLVM-LINK $out')
 130 b.rule("OPT", command = llvm_opt + " -O3 -o $out $in",
 131        description = 'OPT $out')
 132
 133 c_compiler_rule(b, "LLVM_TOOL_CXX", 'CXX', cxx_compiler, llvm_cxxflags)
 134 b.rule("LLVM_TOOL_LINK", cxx_compiler + " -o $out $in %s" % llvm_core_libs + " -Wl,-rpath %s" % llvm_libdir, 'LINK $out')
 135
 136 prepare_builtins = os.path.join('utils', 'prepare-builtins')
 137 b.build(os.path.join('utils', 'prepare-builtins.o'), "LLVM_TOOL_CXX",
 138         os.path.join(srcdir, 'utils', 'prepare-builtins.cpp'))
 139 b.build(prepare_builtins, "LLVM_TOOL_LINK",
 140         os.path.join('utils', 'prepare-builtins.o'))
 141
 142 b.rule("PREPARE_BUILTINS", "%s -o $out $in" % prepare_builtins,
 143        'PREPARE-BUILTINS $out')
 144 b.rule("PYTHON_GEN", "python < $in > $out", "PYTHON_GEN $out")
 145 b.build('generic/lib/convert.cl', "PYTHON_GEN", ['generic/lib/gen_convert.py'])
 146
 147 manifest_deps = set([sys.argv[0], os.path.join(srcdir, 'build', 'metabuild.py'),
 148                      os.path.join(srcdir, 'build', 'ninja_syntax.py')])
 149
 150 install_files_bc = []
 151 install_deps = []
 152
 153 # Create rules for subnormal helper objects
 154 for src in ['subnormal_disable.ll', 'subnormal_use_default.ll']:
 155   obj_name = src[:-2] + 'bc'
 156   obj = os.path.join('generic--', 'lib', obj_name)
 157   src_file = os.path.join('generic', 'lib', src)
 158   b.build(obj, 'LLVM_AS', src_file)
 159   b.default(obj)
 160   install_files_bc.append((obj, obj))
 161   install_deps.append(obj)
 162
 163 # Create libclc.pc
 164 clc = open('libclc.pc', 'w')
 165 clc.write('includedir=%(inc)s\nlibexecdir=%(lib)s\n\nName: libclc\nDescription: Library requirements of the OpenCL C programming language\nVersion: %(maj)s.%(min)s.%(pat)s\nCflags: -I${includedir}\nLibs: -L${libexecdir}' %
 166 {'inc': includedir, 'lib': libexecdir, 'maj': version_major, 'min': version_minor, 'pat': version_patch})
 167 clc.close()
 168
 169 for target in targets:
 170   (t_arch, t_vendor, t_os) = target.split('-')
 171   archs = [t_arch]
 172   if t_arch == 'nvptx' or t_arch == 'nvptx64':
 173     archs.append('ptx')
 174   archs.append('generic')
 175
 176   subdirs = []
 177   for arch in archs:
 178     subdirs.append("%s-%s-%s" % (arch, t_vendor, t_os))
 179     subdirs.append("%s-%s" % (arch, t_os))
 180     if t_os == 'mesa3d':
 181         subdirs.append('amdgcn-amdhsa')
 182     subdirs.append(arch)
 183     if arch == 'amdgcn' or arch == 'r600':
 184         subdirs.append('amdgpu')
 185
 186   incdirs = filter(os.path.isdir,
 187                [os.path.join(srcdir, subdir, 'include') for subdir in subdirs])
 188   libdirs = filter(lambda d: os.path.isfile(os.path.join(d, 'SOURCES')) or
 189                              os.path.isfile(os.path.join(d, 'SOURCES_' + llvm_string_version)),
 190                    [os.path.join(srcdir, subdir, 'lib') for subdir in subdirs])
 191
 192   # The above are iterables in python3 but we might use them multiple times
 193   # if more then one device is supported.
 194   incdirs = list(incdirs)
 195   libdirs = list(libdirs)
 196   clang_cl_includes = ' '.join(["-I%s" % incdir for incdir in incdirs])
 197
 198   for device in available_targets[target]['devices']:
 199     # The rule for building a .bc file for the specified architecture using clang.
 200     clang_bc_flags = "-target %s -I`dirname $in` %s " \
 201                      "-fno-builtin " \
 202                      "-D__CLC_INTERNAL " \
 203                      "-emit-llvm" % (target, clang_cl_includes)
 204     if device['gpu'] != '':
 205       clang_bc_flags += ' -mcpu=' + device['gpu']
 206     clang_bc_rule = "CLANG_CL_BC_" + target + "_" + device['gpu']
 207     c_compiler_rule(b, clang_bc_rule, "LLVM-CC", llvm_clang, clang_bc_flags)
 208
 209     objects = []
 210     sources_seen = set()
 211     compats = []
 212
 213     if device['gpu'] == '':
 214       full_target_name = target
 215       obj_suffix = ''
 216     else:
 217       full_target_name = device['gpu'] + '-' + target
 218       obj_suffix = '.' + device['gpu']
 219
 220     for libdir in libdirs:
 221       subdir_list_file = os.path.join(libdir, 'SOURCES')
 222       if os.path.exists(subdir_list_file):
 223         manifest_deps.add(subdir_list_file)
 224       override_list_file = os.path.join(libdir, 'OVERRIDES')
 225       compat_list_file = os.path.join(libdir,
 226         'SOURCES_' + llvm_string_version)
 227       compat_list_override = os.path.join(libdir,
 228         'OVERRIDES_' + llvm_string_version)
 229
 230       # Build compat list
 231       if os.path.exists(compat_list_file):
 232         manifest_deps.add(compat_list_file)
 233         for compat in open(compat_list_file).readlines():
 234           compat = compat.rstrip()
 235           compats.append(compat)
 236
 237       # Add target compat overrides
 238       if os.path.exists(compat_list_override):
 239         for override in open(compat_list_override).readlines():
 240           override = override.rstrip()
 241           sources_seen.add(override)
 242
 243       # Add target overrides
 244       if os.path.exists(override_list_file):
 245         for override in open(override_list_file).readlines():
 246           override = override.rstrip()
 247           sources_seen.add(override)
 248
 249       files = open(subdir_list_file).readlines() if os.path.exists(subdir_list_file) else []
 250       for src in files + compats:
 251         src = src.rstrip()
 252         if src not in sources_seen:
 253           sources_seen.add(src)
 254           obj = os.path.join(target, 'lib', src + obj_suffix + '.bc')
 255           objects.append(obj)
 256           src_path = libdir
 257           src_file = os.path.join(src_path, src)
 258           ext = os.path.splitext(src)[1]
 259           if ext == '.ll':
 260             b.build(obj, 'LLVM_AS', src_file)
 261           else:
 262             b.build(obj, clang_bc_rule, src_file)
 263
 264     obj = os.path.join('generic--', 'lib', 'subnormal_use_default.bc')
 265     if  not options.enable_runtime_subnormal:
 266       objects.append(obj)
 267
 268     builtins_link_bc = os.path.join(target, 'lib', 'builtins.link' + obj_suffix + '.bc')
 269     builtins_opt_bc = os.path.join(target, 'lib', 'builtins.opt' + obj_suffix + '.bc')
 270     builtins_bc = os.path.join('built_libs', full_target_name + '.bc')
 271     b.build(builtins_link_bc, "LLVM_LINK", objects)
 272     b.build(builtins_opt_bc, "OPT", builtins_link_bc)
 273     b.build(builtins_bc, "PREPARE_BUILTINS", builtins_opt_bc, prepare_builtins)
 274     install_files_bc.append((builtins_bc, builtins_bc))
 275     install_deps.append(builtins_bc)
 276     for alias in device['aliases']:
 277       # Ninja cannot have multiple rules with same name so append suffix
 278       ruleName = "CREATE_ALIAS_{0}_for_{1}".format(alias, device['gpu'])
 279       b.rule(ruleName, "ln -fs %s $out" % os.path.basename(builtins_bc)
 280              ,"CREATE-ALIAS $out")
 281
 282       alias_file = os.path.join('built_libs', alias + '-' + target + '.bc')
 283       b.build(alias_file, ruleName, builtins_bc)
 284       install_files_bc.append((alias_file, alias_file))
 285       install_deps.append(alias_file)
 286     b.default(builtins_bc)
 287
 288
 289 install_cmd = ' && '.join(['mkdir -p ${DESTDIR}/%(dst)s && cp -r %(src)s ${DESTDIR}/%(dst)s' %
 290                            {'src': file,
 291                             'dst': libexecdir}
 292                            for (file, dest) in install_files_bc])
 293 install_cmd = ' && '.join(['%(old)s && mkdir -p ${DESTDIR}/%(dst)s && cp -r %(srcdir)s/generic/include/clc ${DESTDIR}/%(dst)s' %
 294                            {'old': install_cmd,
 295                             'dst': includedir,
 296                             'srcdir': srcdir}])
 297 install_cmd = ' && '.join(['%(old)s && mkdir -p ${DESTDIR}/%(dst)s && cp -r libclc.pc ${DESTDIR}/%(dst)s' %
 298                            {'old': install_cmd,
 299                             'dst': pkgconfigdir}])
 300
 301 b.rule('install', command = install_cmd, description = 'INSTALL')
 302 b.build('install', 'install', install_deps)
 303
 304 b.rule("configure", command = ' '.join(sys.argv), description = 'CONFIGURE',
 305        generator = True)
 306 b.build(b.output_filename(), 'configure', list(manifest_deps))
 307
 308 b.finish()