#
+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
-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('$SCRIPT', script_src.path)
- code = env.Command(target, source, command)
-
- # Explicitly mark that the generated code depends on the generator,
- # and on implicitly imported python modules
- path = (script_src.get_dir(),)
- deps = [script_src]
- deps += script_src.get_implicit_deps(env, python_scanner, path)
- env.Depends(code, deps)
-
- # Running the Python script causes .pyc files to be generated in the
- # source directory. When we clean up, they should go too. So add side
- # effects for .pyc files
- for dep in deps:
- pyc = env.File(str(dep) + 'c')
- env.SideEffect(pyc, code)
-
- return code
-
-
-def createCodeGenerateMethod(env):
- env.Append(SCANNERS = python_scanner)
- env.AddMethod(code_generate, 'CodeGenerate')
-
def symlink(target, source, env):
target = str(target[0])
os.remove(target)
os.symlink(os.path.basename(source), target)
-def install_shared_library(env, source, version = ()):
- source = str(source[0])
+def install(env, source, subdir):
+ target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
+ return env.Install(target_dir, source)
+
+def install_program(env, source):
+ return install(env, source, 'bin')
+
+def install_shared_library(env, sources, version = ()):
+ targets = []
+ install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
version = tuple(map(str, version))
- target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'], 'lib')
- target_name = '.'.join((str(source),) + version)
- last = env.InstallAs(os.path.join(target_dir, target_name), source)
- while len(version):
- version = version[:-1]
- target_name = '.'.join((str(source),) + version)
- action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
- last = env.Command(os.path.join(target_dir, target_name), last, action)
+ if env['SHLIBSUFFIX'] == '.dll':
+ dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+ targets += install(env, dlls, 'bin')
+ libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
+ targets += install(env, libs, 'lib')
+ else:
+ for source in sources:
+ target_dir = os.path.join(install_dir, 'lib')
+ target_name = '.'.join((str(source),) + version)
+ last = env.InstallAs(os.path.join(target_dir, target_name), source)
+ targets += last
+ while len(version):
+ version = version[:-1]
+ target_name = '.'.join((str(source),) + version)
+ action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
+ 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')
return 1
+def pkg_config_modules(env, name, modules):
+ '''Simple wrapper for pkg-config.'''
+
+ env[name] = False
+
+ if env['platform'] == 'windows':
+ return
+
+ if not env.Detect('pkg-config'):
+ return
+
+ if subprocess.call(["pkg-config", "--exists", ' '.join(modules)]) != 0:
+ return
+
+ # Put -I and -L flags directly into the environment, as these don't affect
+ # the compilation of targets that do not use them
+ try:
+ env.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules))
+ except OSError:
+ return
+
+ # Other flags may affect the compilation of unrelated targets, so store
+ # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
+ try:
+ flags = env.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules))
+ except OSError:
+ return
+ prefix = name.upper() + '_'
+ for flag_name, flag_value in flags.iteritems():
+ env[prefix + flag_name] = flag_value
+
+ env[name] = True
+
+
+
def generate(env):
"""Common environment generation code"""
- if env.get('quiet', True):
- quietCommandLines(env)
+ # Tell tools which machine to compile for
+ env['TARGET_ARCH'] = env['machine']
+ env['MSVS_ARCH'] = env['machine']
# Toolchain
platform = env['platform']
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
- debug = env['debug']
machine = env['machine']
platform = env['platform']
x86 = env['machine'] == 'x86'
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['llvm']:
- build_subdir += "-llvm"
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'))
- env.CacheDir('build/cache')
+ 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 debug:
+ if env['build'] in ('debug', 'checked'):
cppdefines += ['DEBUG']
else:
cppdefines += ['NDEBUG']
- if env['profile']:
+ if env['build'] == 'profile':
cppdefines += ['PROFILE']
if platform == 'windows':
cppdefines += [
'_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',
+ # http://msdn.microsoft.com/en-us/library/aa383745.aspx
+ ('_WIN32_WINNT', '0x0601'),
+ ('WINVER', '0x0601'),
]
if msvc and env['toolchain'] != 'winddk':
cppdefines += [
'_SCL_SECURE_NO_WARNINGS',
'_SCL_SECURE_NO_DEPRECATE',
]
- if debug:
+ if env['build'] in ('debug', 'checked'):
cppdefines += ['_DEBUG']
if env['toolchain'] == 'winddk':
# Mimic WINDDK's builtin flags. See also:
('__BUILDMACHINE__', 'WinDDK'),
('FPO', '0'),
]
- if debug:
+ if env['build'] in ('debug', 'checked'):
cppdefines += [('DBG', 1)]
if platform == 'wince':
cppdefines += [
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
cxxflags = [] # C++
ccflags = [] # C & C++
if gcc:
- if debug:
- ccflags += ['-O0', '-g3']
- elif env['CCVERSION'].startswith('4.2.'):
+ 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', '-g3']
+ ccflags += ['-O0']
else:
- ccflags += ['-O3', '-g3']
- if env['profile']:
+ ccflags += ['-O3']
+ ccflags += ['-g3']
+ 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):
+ # 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 += [
- '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
'-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']
# 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 distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.0'):
+ ccflags += [
+ '-Wmissing-field-initializers',
+ ]
+ 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:
+ 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 += [
+ '/GL-', # disable whole program optimization
+ ]
ccflags += [
'/fp:fast', # fast floating point
'/W3', # warning level
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:
linkflags += ['-m32']
if env['machine'] == 'x86_64':
linkflags += ['-m64']
- shlinkflags += [
- '-Wl,-Bsymbolic',
- ]
+ if env['platform'] not in ('darwin'):
+ shlinkflags += [
+ '-Wl,-Bsymbolic',
+ ]
# Handle circular dependencies in the libraries
- env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
+ if env['platform'] in ('darwin'):
+ pass
+ else:
+ env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
if msvc:
- if not env['debug']:
+ if env['build'] == 'release':
# enable Link-time Code Generation
linkflags += ['/LTCG']
env.Append(ARFLAGS = ['/LTCG'])
'/entry:DrvEnableDriver',
]
- if env['debug'] or env['profile']:
+ if env['build'] != 'release':
linkflags += [
'/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
]
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
env.Append(LIBS = [])
+ # Load tools
+ env.Tool('lex')
+ env.Tool('yacc')
+ if env['llvm']:
+ env.Tool('llvm')
+ env.Tool('udis86')
+
+ pkg_config_modules(env, 'x11', ['x11', 'xext'])
+ pkg_config_modules(env, 'drm', ['libdrm'])
+ pkg_config_modules(env, 'drm_intel', ['libdrm_intel'])
+ pkg_config_modules(env, 'drm_radeon', ['libdrm_radeon'])
+ pkg_config_modules(env, 'xorg', ['xorg-server'])
+ pkg_config_modules(env, 'kms', ['libkms'])
+
+ env['dri'] = env['x11'] and env['drm']
+
# Custom builders and methods
- createConvenienceLibBuilder(env)
- createCodeGenerateMethod(env)
+ env.Tool('custom')
createInstallMethods(env)
# for debugging
projects / mesa.git / blobdiff