import os.path
import re
import subprocess
+import platform as _platform
import SCons.Action
import SCons.Builder
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)
+ target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
+ return env.Install(target_dir, source)
def install_program(env, source):
- install(env, source, 'bin')
+ return install(env, source, 'bin')
def install_shared_library(env, sources, version = ()):
- install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'])
+ 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')
- install(env, dlls, 'bin')
+ targets += install(env, dlls, 'bin')
libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
- install(env, libs, 'lib')
+ 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, "$TARGET -> $SOURCE")
+ 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')
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'])
- 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)
-
+ # 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'
+ env['suncc'] = env['platform'] == 'sunos' and os.path.basename(env['CC']) == 'cc'
+ env['clang'] = env['CC'] == 'clang'
+ env['icc'] = 'icc' == os.path.basename(env['CC'])
+
+ 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
- debug = env['debug']
machine = env['machine']
platform = env['platform']
x86 = env['machine'] == 'x86'
ppc = env['machine'] == 'ppc'
gcc = env['gcc']
msvc = env['msvc']
+ suncc = env['suncc']
+ icc = env['icc']
+
+ # 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['debug']:
- build_subdir += "-debug"
- if env['profile']:
- build_subdir += "-profile"
+ 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'] = build_dir
+ 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'],)
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 debug:
+ if env['build'] in ('debug', 'checked'):
cppdefines += ['DEBUG']
else:
cppdefines += ['NDEBUG']
- if env['profile']:
+ 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',
+ 'HAVE_PTHREAD',
+ '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',
('_WIN32_WINNT', '0x0601'),
('WINVER', '0x0601'),
]
- if msvc and env['toolchain'] != 'winddk':
+ if gcc:
+ cppdefines += [('__MSVCRT_VERSION__', '0x0700')]
+ if msvc:
cppdefines += [
'VC_EXTRALEAN',
'_USE_MATH_DEFINES',
'_CRT_SECURE_NO_DEPRECATE',
'_SCL_SECURE_NO_WARNINGS',
'_SCL_SECURE_NO_DEPRECATE',
+ '_ALLOW_KEYWORD_MACROS',
]
- if debug:
+ 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 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']
+ if platform == 'haiku':
+ cppdefines += ['BEOS_THREADS']
+ if env['embedded']:
+ cppdefines += ['PIPE_SUBSYSTEM_EMBEDDED']
+ if env['texture_float']:
+ print 'warning: Floating-point textures enabled.'
+ print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
+ cppdefines += ['TEXTURE_FLOAT_ENABLED']
env.Append(CPPDEFINES = cppdefines)
# C compiler options
ccflags = [] # C & C++
if gcc:
ccversion = env['CCVERSION']
- if debug:
- ccflags += ['-O0', '-g3']
+ 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', '-g3']
+ ccflags += ['-O0']
else:
- ccflags += ['-O3', '-g3']
- if env['profile']:
+ ccflags += ['-O3']
+ # gcc's builtin memcmp is slower than glibc's
+ # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
+ ccflags += ['-fno-builtin-memcmp']
+ # 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',
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.
+ if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
+ and (platform != 'windows' or env['build'] == 'debug' or True) \
+ and platform != 'haiku':
+ # 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 distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
+ if platform in ['windows', 'darwin']:
+ # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
+ ccflags += ['-fno-common']
+ if platform in ['haiku']:
+ # Make optimizations compatible with Pentium or higher on Haiku
ccflags += [
'-mstackrealign', # ensure stack is aligned
+ '-march=i586', # Haiku target is Pentium
+ '-mtune=i686' # use i686 where we can
]
if env['machine'] == 'x86_64':
ccflags += ['-m64']
+ if platform == 'darwin':
+ ccflags += ['-fno-common']
+ if env['platform'] not in ('cygwin', 'haiku', 'windows'):
+ ccflags += ['-fvisibility=hidden']
# 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 += [
]
if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
ccflags += [
- '-Werror=pointer-arith',
+ '-Wpointer-arith',
]
cflags += [
- '-Werror=declaration-after-statement',
+ '-Wdeclaration-after-statement',
]
+ if icc:
+ cflags += [
+ '-std=gnu99',
+ ]
if msvc:
# See also:
# - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
# - cl /?
- if debug:
+ if env['build'] == '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
+ ]
+ if env['build'] == 'release':
+ ccflags += [
'/GL', # enable whole program optimization
]
+ else:
+ ccflags += [
+ '/Oy-', # disable frame pointer omission
+ '/GL-', # disable whole program optimization
+ ]
ccflags += [
- '/fp:fast', # fast floating point
'/W3', # warning level
#'/Wp64', # enable 64 bit porting warnings
+ '/wd4996', # disable deprecated POSIX name warnings
]
if env['machine'] == 'x86':
ccflags += [
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)
if env['platform'] == 'windows' and msvc:
# Choose the appropriate MSVC CRT
# http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
- if env['debug']:
+ if env['build'] in ('debug', 'checked'):
env.Append(CCFLAGS = ['/MTd'])
env.Append(SHCCFLAGS = ['/LDd'])
else:
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 'w64' in env['CC'].split('-'):
+ linkflags += ['-static-libstdc++']
+ # Handle the @xx symbol munging of DLL exports
+ shlinkflags += ['-Wl,--enable-stdcall-fixup']
+ #shlinkflags += ['-Wl,--kill-at']
if msvc:
- if not env['debug']:
+ if env['build'] == 'release':
# enable Link-time Code Generation
linkflags += ['/LTCG']
env.Append(ARFLAGS = ['/LTCG'])
'/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 = [])
+ # We have C++ in several libraries, so always link with the C++ compiler
+ if env['gcc'] or env['clang']:
+ env['LINK'] = env['CXX']
- # Load LLVM
+ # Default libs
+ libs = []
+ if env['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
+ libs += ['m', 'pthread', 'dl']
+ if env['platform'] in ('linux',):
+ libs += ['rt']
+ 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('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1'])
+ env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
+ env.PkgCheckModules('DRM', ['libdrm >= 2.4.24'])
+ env.PkgCheckModules('DRM_INTEL', ['libdrm_intel >= 2.4.30'])
+ env.PkgCheckModules('DRM_RADEON', ['libdrm_radeon >= 2.4.42'])
+ env.PkgCheckModules('XORG', ['xorg-server >= 1.6.0'])
+ env.PkgCheckModules('KMS', ['libkms >= 2.4.24'])
+ env.PkgCheckModules('UDEV', ['libudev > 150'])
+
+ env['dri'] = env['x11'] and env['drm']
+
# for debugging
#print env.Dump()