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Diffstat (limited to 'scons/gallium.py')
-rw-r--r-- | scons/gallium.py | 485 |
1 files changed, 485 insertions, 0 deletions
diff --git a/scons/gallium.py b/scons/gallium.py new file mode 100644 index 0000000000..dd7275460d --- /dev/null +++ b/scons/gallium.py @@ -0,0 +1,485 @@ +"""gallium + +Frontend-tool for Gallium3D architecture. + +""" + +# +# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. +# All Rights Reserved. +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sub license, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice (including the +# next paragraph) shall be included in all copies or substantial portions +# of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. +# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR +# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + + +import distutils.version +import os +import os.path +import re +import subprocess + +import SCons.Action +import SCons.Builder +import SCons.Scanner + + +def symlink(target, source, env): + target = str(target[0]) + source = str(source[0]) + if os.path.islink(target) or os.path.exists(target): + os.remove(target) + os.symlink(os.path.basename(source), target) + +def install(env, source, subdir): + target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'], subdir) + env.Install(target_dir, source) + +def install_program(env, source): + install(env, source, 'bin') + +def install_shared_library(env, sources, version = ()): + install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build']) + version = tuple(map(str, version)) + if env['SHLIBSUFFIX'] == '.dll': + dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX') + install(env, dlls, 'bin') + libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX') + install(env, libs, 'lib') + else: + for source in sources: + target_dir = os.path.join(install_dir, 'lib') + target_name = '.'.join((str(source),) + version) + last = env.InstallAs(os.path.join(target_dir, target_name), source) + while len(version): + version = version[:-1] + target_name = '.'.join((str(source),) + version) + action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE") + last = env.Command(os.path.join(target_dir, target_name), last, action) + +def createInstallMethods(env): + env.AddMethod(install_program, 'InstallProgram') + env.AddMethod(install_shared_library, 'InstallSharedLibrary') + + +def num_jobs(): + try: + return int(os.environ['NUMBER_OF_PROCESSORS']) + except (ValueError, KeyError): + pass + + try: + return os.sysconf('SC_NPROCESSORS_ONLN') + except (ValueError, OSError, AttributeError): + pass + + try: + return int(os.popen2("sysctl -n hw.ncpu")[1].read()) + except ValueError: + pass + + return 1 + + +def generate(env): + """Common environment generation code""" + + # Toolchain + platform = env['platform'] + if env['toolchain'] == 'default': + if platform == 'winddk': + env['toolchain'] = 'winddk' + elif platform == 'wince': + env['toolchain'] = 'wcesdk' + env.Tool(env['toolchain']) + + if env['platform'] == 'embedded': + # Allow overriding compiler from environment + if os.environ.has_key('CC'): + env['CC'] = os.environ['CC'] + # Update CCVERSION to match + pipe = SCons.Action._subproc(env, [env['CC'], '--version'], + stdin = 'devnull', + stderr = 'devnull', + stdout = subprocess.PIPE) + if pipe.wait() == 0: + line = pipe.stdout.readline() + match = re.search(r'[0-9]+(\.[0-9]+)+', line) + if match: + env['CCVERSION'] = match.group(0) + + + env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-') + env['msvc'] = env['CC'] == 'cl' + + # shortcuts + debug = env['debug'] + machine = env['machine'] + platform = env['platform'] + x86 = env['machine'] == 'x86' + ppc = env['machine'] == 'ppc' + gcc = env['gcc'] + msvc = env['msvc'] + + # Put build output in a separate dir, which depends on the current + # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample + build_topdir = 'build' + build_subdir = env['platform'] + if env['machine'] != 'generic': + build_subdir += '-' + env['machine'] + if env['debug']: + build_subdir += "-debug" + if env['profile']: + build_subdir += "-profile" + build_dir = os.path.join(build_topdir, build_subdir) + # Place the .sconsign file in the build dir too, to avoid issues with + # different scons versions building the same source file + env['build'] = build_dir + env.SConsignFile(os.path.join(build_dir, '.sconsign')) + if 'SCONS_CACHE_DIR' in os.environ: + print 'scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],) + env.CacheDir(os.environ['SCONS_CACHE_DIR']) + env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf') + env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log') + + # Parallel build + if env.GetOption('num_jobs') <= 1: + env.SetOption('num_jobs', num_jobs()) + + # C preprocessor options + cppdefines = [] + if debug: + cppdefines += ['DEBUG'] + else: + cppdefines += ['NDEBUG'] + if env['profile']: + cppdefines += ['PROFILE'] + if platform == 'windows': + cppdefines += [ + 'WIN32', + '_WINDOWS', + #'_UNICODE', + #'UNICODE', + # http://msdn.microsoft.com/en-us/library/aa383745.aspx + ('_WIN32_WINNT', '0x0601'), + ('WINVER', '0x0601'), + ] + if msvc and env['toolchain'] != 'winddk': + cppdefines += [ + 'VC_EXTRALEAN', + '_USE_MATH_DEFINES', + '_CRT_SECURE_NO_WARNINGS', + '_CRT_SECURE_NO_DEPRECATE', + '_SCL_SECURE_NO_WARNINGS', + '_SCL_SECURE_NO_DEPRECATE', + ] + if debug: + cppdefines += ['_DEBUG'] + if env['toolchain'] == 'winddk': + # Mimic WINDDK's builtin flags. See also: + # - WINDDK's bin/makefile.new i386mk.inc for more info. + # - buildchk_wxp_x86.log files, generated by the WINDDK's build + # - http://alter.org.ua/docs/nt_kernel/vc8_proj/ + if machine == 'x86': + cppdefines += ['_X86_', 'i386'] + if machine == 'x86_64': + cppdefines += ['_AMD64_', 'AMD64'] + if platform == 'winddk': + cppdefines += [ + 'STD_CALL', + ('CONDITION_HANDLING', '1'), + ('NT_INST', '0'), + ('WIN32', '100'), + ('_NT1X_', '100'), + ('WINNT', '1'), + ('_WIN32_WINNT', '0x0501'), # minimum required OS version + ('WINVER', '0x0501'), + ('_WIN32_IE', '0x0603'), + ('WIN32_LEAN_AND_MEAN', '1'), + ('DEVL', '1'), + ('__BUILDMACHINE__', 'WinDDK'), + ('FPO', '0'), + ] + if debug: + cppdefines += [('DBG', 1)] + if platform == 'wince': + cppdefines += [ + '_CRT_SECURE_NO_DEPRECATE', + '_USE_32BIT_TIME_T', + 'UNICODE', + '_UNICODE', + ('UNDER_CE', '600'), + ('_WIN32_WCE', '0x600'), + 'WINCEOEM', + 'WINCEINTERNAL', + 'WIN32', + 'STRICT', + 'x86', + '_X86_', + 'INTERNATIONAL', + ('INTLMSG_CODEPAGE', '1252'), + ] + if platform == 'windows': + cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER'] + if platform == 'winddk': + cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY'] + if platform == 'wince': + cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE'] + cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL'] + if platform == 'embedded': + cppdefines += ['PIPE_OS_EMBEDDED'] + env.Append(CPPDEFINES = cppdefines) + + # C compiler options + cflags = [] # C + cxxflags = [] # C++ + ccflags = [] # C & C++ + if gcc: + ccversion = env['CCVERSION'] + if debug: + ccflags += ['-O0', '-g3'] + elif ccversion.startswith('4.2.'): + # gcc 4.2.x optimizer is broken + print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations" + ccflags += ['-O0', '-g3'] + else: + ccflags += ['-O3', '-g3'] + if env['profile']: + # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling? + ccflags += [ + '-fno-omit-frame-pointer', + '-fno-optimize-sibling-calls', + ] + if env['machine'] == 'x86': + ccflags += [ + '-m32', + #'-march=pentium4', + #'-mfpmath=sse', + ] + if platform != 'windows': + # XXX: -mstackrealign causes stack corruption on MinGW. Ditto + # for -mincoming-stack-boundary=2. Still enable it on other + # platforms for now, but we can't rely on it for cross platform + # code. We have to use __attribute__((force_align_arg_pointer)) + # instead. + ccflags += [ + '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics + ] + if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'): + ccflags += [ + '-mstackrealign', # ensure stack is aligned + ] + if env['machine'] == 'x86_64': + ccflags += ['-m64'] + # See also: + # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html + ccflags += [ + '-Wall', + '-Wmissing-field-initializers', + '-Wno-long-long', + '-ffast-math', + '-fmessage-length=0', # be nice to Eclipse + ] + cflags += [ + '-Wmissing-prototypes', + '-std=gnu99', + ] + if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'): + ccflags += [ + '-Werror=pointer-arith', + ] + cflags += [ + '-Werror=declaration-after-statement', + ] + if msvc: + # See also: + # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx + # - cl /? + if debug: + ccflags += [ + '/Od', # disable optimizations + '/Oi', # enable intrinsic functions + '/Oy-', # disable frame pointer omission + '/GL-', # disable whole program optimization + ] + else: + ccflags += [ + '/O2', # optimize for speed + '/GL', # enable whole program optimization + ] + ccflags += [ + '/fp:fast', # fast floating point + '/W3', # warning level + #'/Wp64', # enable 64 bit porting warnings + ] + if env['machine'] == 'x86': + ccflags += [ + #'/arch:SSE2', # use the SSE2 instructions + ] + if platform == 'windows': + ccflags += [ + # TODO + ] + if platform == 'winddk': + ccflags += [ + '/Zl', # omit default library name in .OBJ + '/Zp8', # 8bytes struct member alignment + '/Gy', # separate functions for linker + '/Gm-', # disable minimal rebuild + '/WX', # treat warnings as errors + '/Gz', # __stdcall Calling convention + '/GX-', # disable C++ EH + '/GR-', # disable C++ RTTI + '/GF', # enable read-only string pooling + '/G6', # optimize for PPro, P-II, P-III + '/Ze', # enable extensions + '/Gi-', # disable incremental compilation + '/QIfdiv-', # disable Pentium FDIV fix + '/hotpatch', # prepares an image for hotpatching. + #'/Z7', #enable old-style debug info + ] + if platform == 'wince': + # See also C:\WINCE600\public\common\oak\misc\makefile.def + ccflags += [ + '/Zl', # omit default library name in .OBJ + '/GF', # enable read-only string pooling + '/GR-', # disable C++ RTTI + '/GS', # enable security checks + # Allow disabling language conformance to maintain backward compat + #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef + #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules + #'/wd4867', + #'/wd4430', + #'/MT', + #'/U_MT', + ] + # Automatic pdb generation + # See http://scons.tigris.org/issues/show_bug.cgi?id=1656 + env.EnsureSConsVersion(0, 98, 0) + env['PDB'] = '${TARGET.base}.pdb' + env.Append(CCFLAGS = ccflags) + env.Append(CFLAGS = cflags) + env.Append(CXXFLAGS = cxxflags) + + if env['platform'] == 'windows' and msvc: + # Choose the appropriate MSVC CRT + # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx + if env['debug']: + env.Append(CCFLAGS = ['/MTd']) + env.Append(SHCCFLAGS = ['/LDd']) + else: + env.Append(CCFLAGS = ['/MT']) + env.Append(SHCCFLAGS = ['/LD']) + + # Assembler options + if gcc: + if env['machine'] == 'x86': + env.Append(ASFLAGS = ['-m32']) + if env['machine'] == 'x86_64': + env.Append(ASFLAGS = ['-m64']) + + # Linker options + linkflags = [] + shlinkflags = [] + if gcc: + if env['machine'] == 'x86': + linkflags += ['-m32'] + if env['machine'] == 'x86_64': + linkflags += ['-m64'] + if env['platform'] not in ('darwin'): + shlinkflags += [ + '-Wl,-Bsymbolic', + ] + # Handle circular dependencies in the libraries + if env['platform'] in ('darwin'): + pass + else: + env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group' + if msvc: + if not env['debug']: + # enable Link-time Code Generation + linkflags += ['/LTCG'] + env.Append(ARFLAGS = ['/LTCG']) + if platform == 'windows' and msvc: + # See also: + # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx + linkflags += [ + '/fixed:no', + '/incremental:no', + ] + if platform == 'winddk': + linkflags += [ + '/merge:_PAGE=PAGE', + '/merge:_TEXT=.text', + '/section:INIT,d', + '/opt:ref', + '/opt:icf', + '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221', + '/incremental:no', + '/fullbuild', + '/release', + '/nodefaultlib', + '/wx', + '/debug', + '/debugtype:cv', + '/version:5.1', + '/osversion:5.1', + '/functionpadmin:5', + '/safeseh', + '/pdbcompress', + '/stack:0x40000,0x1000', + '/driver', + '/align:0x80', + '/subsystem:native,5.01', + '/base:0x10000', + + '/entry:DrvEnableDriver', + ] + if env['debug'] or env['profile']: + linkflags += [ + '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx + ] + if platform == 'wince': + linkflags += [ + '/nodefaultlib', + #'/incremental:no', + #'/fullbuild', + '/entry:_DllMainCRTStartup', + ] + env.Append(LINKFLAGS = linkflags) + env.Append(SHLINKFLAGS = shlinkflags) + + # Default libs + env.Append(LIBS = []) + + # Load LLVM + if env['llvm']: + env.Tool('llvm') + + # Custom builders and methods + env.Tool('custom') + createInstallMethods(env) + + # for debugging + #print env.Dump() + + +def exists(env): + return 1 |