blob: 69a356908fb07a926600210ed47f5a642537269d [file] [log] [blame]
"""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 os
import os.path
import re
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'])
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['llvm']:
build_subdir += "-llvm"
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'))
env.CacheDir('build/cache')
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',
('_WIN32_WINNT', '0x0501'), # minimum required OS version
('WINVER', '0x0501'),
]
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']
env.Append(CPPDEFINES = cppdefines)
# C compiler options
cflags = [] # C
cxxflags = [] # C++
ccflags = [] # C & C++
if gcc:
if debug:
ccflags += ['-O0', '-g3']
elif env['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
'-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',
'-Werror=pointer-arith',
'-Wno-long-long',
'-ffast-math',
'-fmessage-length=0', # be nice to Eclipse
]
cflags += [
'-Werror=declaration-after-statement',
'-Wmissing-prototypes',
'-std=gnu99',
]
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']
shlinkflags += [
'-Wl,-Bsymbolic',
]
# Handle circular dependencies in the libraries
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 = [])
# Custom builders and methods
env.Tool('custom')
createInstallMethods(env)
# for debugging
#print env.Dump()
def exists(env):
return 1