blob: 34877b2f8b327b234b627a86f2650efef615e9f7 [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
import fixes
def quietCommandLines(env):
# Quiet command lines
# See also http://www.scons.org/wiki/HidingCommandLinesInOutput
env['ASCOMSTR'] = " Assembling $SOURCE ..."
env['ASPPCOMSTR'] = " Assembling $SOURCE ..."
env['CCCOMSTR'] = " Compiling $SOURCE ..."
env['SHCCCOMSTR'] = " Compiling $SOURCE ..."
env['CXXCOMSTR'] = " Compiling $SOURCE ..."
env['SHCXXCOMSTR'] = " Compiling $SOURCE ..."
env['ARCOMSTR'] = " Archiving $TARGET ..."
env['RANLIBCOMSTR'] = " Indexing $TARGET ..."
env['LINKCOMSTR'] = " Linking $TARGET ..."
env['SHLINKCOMSTR'] = " Linking $TARGET ..."
env['LDMODULECOMSTR'] = " Linking $TARGET ..."
env['SWIGCOMSTR'] = " Generating $TARGET ..."
def createConvenienceLibBuilder(env):
"""This is a utility function that creates the ConvenienceLibrary
Builder in an Environment if it is not there already.
If it is already there, we return the existing one.
Based on the stock StaticLibrary and SharedLibrary builders.
"""
try:
convenience_lib = env['BUILDERS']['ConvenienceLibrary']
except KeyError:
action_list = [ SCons.Action.Action("$ARCOM", "$ARCOMSTR") ]
if env.Detect('ranlib'):
ranlib_action = SCons.Action.Action("$RANLIBCOM", "$RANLIBCOMSTR")
action_list.append(ranlib_action)
convenience_lib = SCons.Builder.Builder(action = action_list,
emitter = '$LIBEMITTER',
prefix = '$LIBPREFIX',
suffix = '$LIBSUFFIX',
src_suffix = '$SHOBJSUFFIX',
src_builder = 'SharedObject')
env['BUILDERS']['ConvenienceLibrary'] = convenience_lib
return convenience_lib
# TODO: handle import statements with multiple modules
# TODO: handle from import statements
import_re = re.compile(r'^import\s+(\S+)$', re.M)
def python_scan(node, env, path):
# http://www.scons.org/doc/0.98.5/HTML/scons-user/c2781.html#AEN2789
contents = node.get_contents()
source_dir = node.get_dir()
imports = import_re.findall(contents)
results = []
for imp in imports:
for dir in path:
file = os.path.join(str(dir), imp.replace('.', os.sep) + '.py')
if os.path.exists(file):
results.append(env.File(file))
break
file = os.path.join(str(dir), imp.replace('.', os.sep), '__init__.py')
if os.path.exists(file):
results.append(env.File(file))
break
return results
python_scanner = SCons.Scanner.Scanner(function = python_scan, skeys = ['.py'])
def code_generate(env, script, target, source, command):
"""Method to simplify code generation via python scripts.
http://www.scons.org/wiki/UsingCodeGenerators
http://www.scons.org/doc/0.98.5/HTML/scons-user/c2768.html
"""
# We're generating code using Python scripts, so we have to be
# careful with our scons elements. This entry represents
# the generator file *in the source directory*.
script_src = env.File(script).srcnode()
# This command creates generated code *in the build directory*.
command = command.replace('$SCRIPT', script_src.path)
code = env.Command(target, source, command)
# Explicitly mark that the generated code depends on the generator,
# and on implicitly imported python modules
path = (script_src.get_dir(),)
deps = [script_src]
deps += script_src.get_implicit_deps(env, python_scanner, path)
env.Depends(code, deps)
# Running the Python script causes .pyc files to be generated in the
# source directory. When we clean up, they should go too. So add side
# effects for .pyc files
for dep in deps:
pyc = env.File(str(dep) + 'c')
env.SideEffect(pyc, code)
return code
def createCodeGenerateMethod(env):
env.Append(SCANNERS = python_scanner)
env.AddMethod(code_generate, 'CodeGenerate')
def symlink(target, source, env):
target = str(target[0])
source = str(source[0])
if os.path.islink(target) or os.path.exists(target):
os.remove(target)
os.symlink(os.path.basename(source), target)
def install_shared_library(env, source, version = ()):
source = str(source[0])
version = tuple(map(str, version))
target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'], 'lib')
target_name = '.'.join((str(source),) + version)
last = env.InstallAs(os.path.join(target_dir, target_name), source)
while len(version):
version = version[:-1]
target_name = '.'.join((str(source),) + version)
action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
last = env.Command(os.path.join(target_dir, target_name), last, action)
def createInstallMethods(env):
env.AddMethod(install_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"""
if env.get('quiet', True):
quietCommandLines(env)
# 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')
# 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'),
# http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
'WIN32_LEAN_AND_MEAN',
]
if msvc and env['toolchain'] != 'winddk':
cppdefines += [
'VC_EXTRALEAN',
'_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',
'-Wpointer-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
#'/fp:fast', # fast floating point
]
if env['profile']:
ccflags += [
'/Gh', # enable _penter hook function
'/GH', # enable _pexit hook function
]
ccflags += [
'/W3', # warning level
#'/Wp64', # enable 64 bit porting warnings
]
if env['machine'] == 'x86':
ccflags += [
#'/QIfist', # Suppress _ftol
#'/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 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
createConvenienceLibBuilder(env)
createCodeGenerateMethod(env)
createInstallMethods(env)
# for debugging
#print env.Dump()
def exists(env):
return 1