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- """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 platform as _platform
-
- 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_dir'], subdir)
- return env.Install(target_dir, source)
-
- def install_program(env, source):
- return install(env, source, 'bin')
-
- def install_shared_library(env, sources, version = ()):
- targets = []
- install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
- version = tuple(map(str, version))
- if env['SHLIBSUFFIX'] == '.dll':
- dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
- targets += install(env, dlls, 'bin')
- libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
- targets += 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)
- targets += last
- while len(version):
- version = version[:-1]
- target_name = '.'.join((str(source),) + version)
- action = SCons.Action.Action(symlink, " Symlinking $TARGET ...")
- last = env.Command(os.path.join(target_dir, target_name), last, action)
- targets += last
- return targets
-
-
- 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"""
-
- # Tell tools which machine to compile for
- env['TARGET_ARCH'] = env['machine']
- env['MSVS_ARCH'] = env['machine']
-
- # Toolchain
- platform = env['platform']
- if env['toolchain'] == 'default':
- if platform == 'winddk':
- env['toolchain'] = 'winddk'
- elif platform == 'wince':
- env['toolchain'] = 'wcesdk'
- env.Tool(env['toolchain'])
-
- # Allow override compiler and specify additional flags 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)
- if os.environ.has_key('CFLAGS'):
- env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
- if os.environ.has_key('CXX'):
- env['CXX'] = os.environ['CXX']
- if os.environ.has_key('CXXFLAGS'):
- env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
- if os.environ.has_key('LDFLAGS'):
- env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
-
- env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
- env['msvc'] = env['CC'] == 'cl'
-
- if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64':
- # MSVC x64 support is broken in earlier versions of scons
- env.EnsurePythonVersion(2, 0)
-
- # shortcuts
- machine = env['machine']
- platform = env['platform']
- x86 = env['machine'] == 'x86'
- ppc = env['machine'] == 'ppc'
- gcc = env['gcc']
- msvc = env['msvc']
-
- # Determine whether we are cross compiling; in particular, whether we need
- # to compile code generators with a different compiler as the target code.
- host_platform = _platform.system().lower()
- if host_platform.startswith('cygwin'):
- host_platform = 'cygwin'
- host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine()))
- host_machine = {
- 'x86': 'x86',
- 'i386': 'x86',
- 'i486': 'x86',
- 'i586': 'x86',
- 'i686': 'x86',
- 'ppc' : 'ppc',
- 'AMD64': 'x86_64',
- 'x86_64': 'x86_64',
- }.get(host_machine, 'generic')
- env['crosscompile'] = platform != host_platform
- if machine == 'x86_64' and host_machine != 'x86_64':
- env['crosscompile'] = True
- env['hostonly'] = False
-
- # Backwards compatability with the debug= profile= options
- if env['build'] == 'debug':
- if not env['debug']:
- print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
- print
- print ' scons build=release'
- print
- env['build'] = 'release'
- if env['profile']:
- print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
- print
- print ' scons build=profile'
- print
- env['build'] = 'profile'
- if False:
- # Enforce SConscripts to use the new build variable
- env.popitem('debug')
- env.popitem('profile')
- else:
- # Backwards portability with older sconscripts
- if env['build'] in ('debug', 'checked'):
- env['debug'] = True
- env['profile'] = False
- if env['build'] == 'profile':
- env['debug'] = False
- env['profile'] = True
- if env['build'] == 'release':
- env['debug'] = False
- env['profile'] = False
-
- # 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['embedded']:
- build_subdir = 'embedded-' + build_subdir
- if env['machine'] != 'generic':
- build_subdir += '-' + env['machine']
- if env['build'] != 'release':
- build_subdir += '-' + env['build']
- 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_dir'] = 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())
-
- env.Decider('MD5-timestamp')
- env.SetOption('max_drift', 60)
-
- # C preprocessor options
- cppdefines = []
- if env['build'] in ('debug', 'checked'):
- cppdefines += ['DEBUG']
- else:
- cppdefines += ['NDEBUG']
- if env['build'] == 'profile':
- cppdefines += ['PROFILE']
- if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
- cppdefines += [
- '_POSIX_SOURCE',
- ('_POSIX_C_SOURCE', '199309L'),
- '_SVID_SOURCE',
- '_BSD_SOURCE',
- '_GNU_SOURCE',
- 'PTHREADS',
- 'HAVE_POSIX_MEMALIGN',
- ]
- if env['platform'] == 'darwin':
- cppdefines += [
- '_DARWIN_C_SOURCE',
- 'GLX_USE_APPLEGL',
- 'GLX_DIRECT_RENDERING',
- ]
- else:
- cppdefines += [
- 'GLX_DIRECT_RENDERING',
- 'GLX_INDIRECT_RENDERING',
- ]
- if env['platform'] in ('linux', 'freebsd'):
- cppdefines += ['HAVE_ALIAS']
- else:
- cppdefines += ['GLX_ALIAS_UNSUPPORTED']
- if platform == 'windows':
- cppdefines += [
- 'WIN32',
- '_WINDOWS',
- #'_UNICODE',
- #'UNICODE',
- # http://msdn.microsoft.com/en-us/library/aa383745.aspx
- ('_WIN32_WINNT', '0x0601'),
- ('WINVER', '0x0601'),
- ]
- if gcc:
- cppdefines += [('__MSVCRT_VERSION__', '0x0700')]
- 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 env['build'] in ('debug', 'checked'):
- 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 env['build'] in ('debug', 'checked'):
- 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 env['embedded']:
- cppdefines += ['PIPE_SUBSYSTEM_EMBEDDED']
- env.Append(CPPDEFINES = cppdefines)
-
- # C compiler options
- cflags = [] # C
- cxxflags = [] # C++
- ccflags = [] # C & C++
- if gcc:
- ccversion = env['CCVERSION']
- if env['build'] == 'debug':
- ccflags += ['-O0']
- 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']
- else:
- ccflags += ['-O3']
- # Work around aliasing bugs - developers should comment this out
- ccflags += ['-fno-strict-aliasing']
- ccflags += ['-g']
- if env['build'] in ('checked', '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',
- ]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
- and (platform != 'windows' or env['build'] == 'debug' or True):
- # NOTE: We need to ensure stack is realigned given that we
- # produce shared objects, and have no control over the stack
- # alignment policy of the application. Therefore we need
- # -mstackrealign ore -mincoming-stack-boundary=2.
- #
- # XXX: -O and -mstackrealign causes stack corruption on MinGW
- #
- # XXX: We could have SSE without -mstackrealign if we always used
- # __attribute__((force_align_arg_pointer)), but that's not
- # always the case.
- ccflags += [
- '-mstackrealign', # ensure stack is aligned
- '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
- #'-mfpmath=sse',
- ]
- if platform in ['windows', 'darwin']:
- # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
- ccflags += ['-fno-common']
- if env['machine'] == 'x86_64':
- ccflags += ['-m64']
- if platform == 'darwin':
- ccflags += ['-fno-common']
- if env['platform'] != 'windows':
- ccflags += ['-fvisibility=hidden']
- # See also:
- # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
- ccflags += [
- '-Wall',
- '-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('4.0'):
- ccflags += [
- '-Wmissing-field-initializers',
- ]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
- ccflags += [
- '-Wpointer-arith',
- ]
- cflags += [
- '-Wdeclaration-after-statement',
- ]
- if msvc:
- # See also:
- # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
- # - cl /?
- if env['build'] == 'debug':
- ccflags += [
- '/Od', # disable optimizations
- '/Oi', # enable intrinsic functions
- '/Oy-', # disable frame pointer omission
- ]
- else:
- ccflags += [
- '/O2', # optimize for speed
- ]
- if env['build'] == 'release':
- ccflags += [
- '/GL', # enable whole program optimization
- ]
- else:
- ccflags += [
- '/GL-', # disable 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['build'] in ('debug', 'checked'):
- 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 env['platform'] == 'windows':
- # Avoid depending on gcc runtime DLLs
- linkflags += ['-static-libgcc']
- if env['machine'] == 'x86_64':
- linkflags += ['-static-libstdc++']
- # Handle the @xx symbol munging of DLL exports
- shlinkflags += ['-Wl,--enable-stdcall-fixup']
- #shlinkflags += ['-Wl,--kill-at']
- if msvc:
- if env['build'] == 'release':
- # 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['build'] != 'release':
- 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)
-
- # We have C++ in several libraries, so always link with the C++ compiler
- if env['gcc']:
- env['LINK'] = env['CXX']
-
- # Default libs
- libs = []
- if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
- libs += ['m', 'pthread', 'dl']
- env.Append(LIBS = libs)
-
- # OpenMP
- if env['openmp']:
- if env['msvc']:
- env.Append(CCFLAGS = ['/openmp'])
- # When building openmp release VS2008 link.exe crashes with LNK1103 error.
- # Workaround: overwrite PDB flags with empty value as it isn't required anyways
- if env['build'] == 'release':
- env['PDB'] = ''
- if env['gcc']:
- env.Append(CCFLAGS = ['-fopenmp'])
- env.Append(LIBS = ['gomp'])
-
- # Load tools
- env.Tool('lex')
- env.Tool('yacc')
- if env['llvm']:
- env.Tool('llvm')
-
- # Custom builders and methods
- env.Tool('custom')
- createInstallMethods(env)
-
- env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes'])
- env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
- env.PkgCheckModules('DRM', ['libdrm'])
- env.PkgCheckModules('DRM_INTEL', ['libdrm_intel'])
- env.PkgCheckModules('DRM_RADEON', ['libdrm_radeon'])
- env.PkgCheckModules('XORG', ['xorg-server'])
- env.PkgCheckModules('KMS', ['libkms'])
- env.PkgCheckModules('UDEV', ['libudev'])
-
- env['dri'] = env['x11'] and env['drm']
-
- # for debugging
- #print env.Dump()
-
-
- def exists(env):
- return 1
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