"""
#
-# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# Copyright 2008 VMware, Inc.
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# 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
+# IN NO EVENT SHALL VMWARE 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.
#
+from __future__ import print_function
import distutils.version
import os
import os.path
import re
import subprocess
+import platform as host_platform
+import sys
+import tempfile
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')
- env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+
+def msvc2013_compat(env):
+ if env['gcc']:
+ env.Append(CCFLAGS = [
+ '-Werror=vla',
+ '-Werror=pointer-arith',
+ ])
+
+
+def unit_test(env, test_name, program_target, args=None):
+ env.InstallProgram(program_target)
+
+ cmd = [program_target[0].abspath]
+ if args is not None:
+ cmd += args
+ cmd = ' '.join(cmd)
+
+ # http://www.scons.org/wiki/UnitTests
+ action = SCons.Action.Action(cmd, " Running $SOURCE ...")
+ alias = env.Alias(test_name, program_target, action)
+ env.AlwaysBuild(alias)
+ env.Depends('check', alias)
def num_jobs():
return 1
+def check_cc(env, cc, expr, cpp_opt = '-E'):
+ # Invoke C-preprocessor to determine whether the specified expression is
+ # true or not.
+
+ sys.stdout.write('Checking for %s ... ' % cc)
+
+ source = tempfile.NamedTemporaryFile(suffix='.c', delete=False)
+ source.write(('#if !(%s)\n#error\n#endif\n' % expr).encode())
+ source.close()
+
+ # sys.stderr.write('%r %s %s\n' % (env['CC'], cpp_opt, source.name));
+
+ pipe = SCons.Action._subproc(env, env.Split(env['CC']) + [cpp_opt, source.name],
+ stdin = 'devnull',
+ stderr = 'devnull',
+ stdout = 'devnull')
+ result = pipe.wait() == 0
+
+ os.unlink(source.name)
+
+ sys.stdout.write(' %s\n' % ['no', 'yes'][int(bool(result))])
+ return result
+
+def check_header(env, header):
+ '''Check if the header exist'''
+
+ conf = SCons.Script.Configure(env)
+ have_header = False
+
+ if conf.CheckHeader(header):
+ have_header = True
+
+ env = conf.Finish()
+ return have_header
+
+def check_functions(env, functions):
+ '''Check if all of the functions exist'''
+
+ conf = SCons.Script.Configure(env)
+ have_functions = True
+
+ for function in functions:
+ if not conf.CheckFunc(function):
+ have_functions = False
+
+ env = conf.Finish()
+ return have_functions
+
+def check_prog(env, prog):
+ """Check whether this program exists."""
+
+ sys.stdout.write('Checking for %s ... ' % prog)
+
+ result = env.Detect(prog)
+
+ sys.stdout.write(' %s\n' % ['no', 'yes'][int(bool(result))])
+ return result
+
+
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)
-
-
- env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
- env['msvc'] = env['CC'] == 'cl'
+ # Allow override compiler and specify additional flags from environment
+ if 'CC' in os.environ:
+ env['CC'] = os.environ['CC']
+ if 'CFLAGS' in os.environ:
+ env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
+ if 'CXX' in os.environ:
+ env['CXX'] = os.environ['CXX']
+ if 'CXXFLAGS' in os.environ:
+ env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
+ if 'LDFLAGS' in os.environ:
+ env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
+
+ # Detect gcc/clang not by executable name, but through pre-defined macros
+ # as autoconf does, to avoid drawing wrong conclusions when using tools
+ # that overrice CC/CXX like scan-build.
+ env['gcc_compat'] = 0
+ env['clang'] = 0
+ env['msvc'] = 0
+ if host_platform.system() == 'Windows':
+ env['msvc'] = check_cc(env, 'MSVC', 'defined(_MSC_VER)', '/E')
+ if not env['msvc']:
+ env['gcc_compat'] = check_cc(env, 'GCC', 'defined(__GNUC__)')
+ env['clang'] = check_cc(env, 'Clang', '__clang__')
+ env['gcc'] = env['gcc_compat'] and not env['clang']
+ env['suncc'] = env['platform'] == 'sunos' and os.path.basename(env['CC']) == 'cc'
+ env['icc'] = 'icc' == os.path.basename(env['CC'])
# shortcuts
- debug = env['debug']
machine = env['machine']
platform = env['platform']
x86 = env['machine'] == 'x86'
ppc = env['machine'] == 'ppc'
- gcc = env['gcc']
+ gcc_compat = env['gcc_compat']
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.
+ hosthost_platform = host_platform.system().lower()
+ if hosthost_platform.startswith('cygwin'):
+ hosthost_platform = 'cygwin'
+ # Avoid spurious crosscompilation in MSYS2 environment.
+ if hosthost_platform.startswith('mingw'):
+ hosthost_platform = 'windows'
+ host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', host_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 != hosthost_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['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'))
- 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')
if env.GetOption('num_jobs') <= 1:
env.SetOption('num_jobs', num_jobs())
+ # Speed up dependency checking. See
+ # - https://github.com/SCons/scons/wiki/GoFastButton
+ # - https://bugs.freedesktop.org/show_bug.cgi?id=109443
+
+ # Scons version string has consistently been in this format:
+ # MajorVersion.MinorVersion.Patch[.alpha/beta.yyyymmdd]
+ # so this formula should cover all versions regardless of type
+ # stable, alpha or beta.
+ # For simplicity alpha and beta flags are removed.
+
+ scons_version = distutils.version.StrictVersion('.'.join(SCons.__version__.split('.')[:3]))
+ if scons_version < distutils.version.StrictVersion('3.0.2') or \
+ scons_version > distutils.version.StrictVersion('3.0.4'):
+ env.Decider('MD5-timestamp')
+ env.SetOption('max_drift', 60)
+
# C preprocessor options
cppdefines = []
- if debug:
+ cppdefines += [
+ '__STDC_CONSTANT_MACROS',
+ '__STDC_FORMAT_MACROS',
+ '__STDC_LIMIT_MACROS',
+ 'HAVE_SCONS',
+ ]
+ 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',
+ '_DEFAULT_SOURCE',
+ ]
+ if env['platform'] == 'darwin':
+ cppdefines += [
+ '_DARWIN_C_SOURCE',
+ 'GLX_USE_APPLEGL',
+ 'GLX_DIRECT_RENDERING',
+ 'BUILDING_MESA',
+ ]
+ else:
+ cppdefines += [
+ 'GLX_DIRECT_RENDERING',
+ 'GLX_INDIRECT_RENDERING',
+ ]
+
+ if check_header(env, 'xlocale.h'):
+ cppdefines += ['HAVE_XLOCALE_H']
+
+ if check_header(env, 'endian.h'):
+ cppdefines += ['HAVE_ENDIAN_H']
+
+ if check_functions(env, ['strtod_l', 'strtof_l']):
+ cppdefines += ['HAVE_STRTOD_L']
+
+ if check_functions(env, ['random_r']):
+ cppdefines += ['HAVE_RANDOM_R']
+
+ if check_functions(env, ['timespec_get']):
+ cppdefines += ['HAVE_TIMESPEC_GET']
+
+ if check_header(env, 'sys/shm.h'):
+ cppdefines += ['HAVE_SYS_SHM_H']
+
+ if check_functions(env, ['strtok_r']):
+ cppdefines += ['HAVE_STRTOK_R']
+
+ #FIXME: we should really be checking for the major()/minor()
+ # functions/macros in these headers, but check_functions()'s
+ # SConf.CheckFunc() doesn't seem to support macros.
+ if check_header(env, 'sys/mkdev.h'):
+ cppdefines += ['MAJOR_IN_MKDEV']
+ if check_header(env, 'sys/sysmacros.h'):
+ cppdefines += ['MAJOR_IN_SYSMACROS']
+
if platform == 'windows':
cppdefines += [
'WIN32',
('_WIN32_WINNT', '0x0601'),
('WINVER', '0x0601'),
]
- if msvc and env['toolchain'] != 'winddk':
+ if gcc_compat:
+ 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',
+ '_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
]
- 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 env['embedded']:
+ cppdefines += ['EMBEDDED_DEVICE']
env.Append(CPPDEFINES = cppdefines)
# C compiler options
cflags = [] # C
cxxflags = [] # C++
ccflags = [] # C & C++
- if gcc:
- ccversion = env['CCVERSION']
- if debug:
- ccflags += ['-O0', '-g3']
- 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']
+ if gcc_compat:
+ if env['build'] == 'debug':
+ ccflags += ['-O0']
else:
- ccflags += ['-O3', '-g3']
- if env['profile']:
+ ccflags += ['-O3']
+ if env['gcc']:
+ # 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') or env['asan']:
# 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['gcc']:
+ ccflags += ['-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.
+ if 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: 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
+ '-msse', '-msse2', # enable SIMD intrinsics
+ '-mfpmath=sse', # generate SSE floating-point arithmetic
]
- 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 += [
- '-Wmissing-prototypes',
+ '-Werror=implicit-function-declaration',
+ '-Werror=missing-prototypes',
+ '-Werror=return-type',
+ '-Werror=incompatible-pointer-types',
+ ]
+ if platform == 'darwin' and host_platform.mac_ver()[0] >= '10.15':
+ cflags += ['-std=gnu11']
+ else:
+ cflags += ['-std=gnu99']
+ if icc:
+ cflags += [
'-std=gnu99',
]
- 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
- '/GL', # enable whole program optimization
+ ]
+ if env['build'] == 'release':
+ if not env['clang']:
+ ccflags += [
+ '/GL', # enable whole program optimization
+ ]
+ else:
+ ccflags += [
+ '/Oy-', # disable frame pointer omission
]
ccflags += [
- '/fp:fast', # fast floating point
'/W3', # warning level
- #'/Wp64', # enable 64 bit porting warnings
+ '/wd4018', # signed/unsigned mismatch
+ '/wd4056', # overflow in floating-point constant arithmetic
+ '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
+ '/wd4267', # 'var' : conversion from 'size_t' to 'type', possible loss of data
+ '/wd4305', # truncation from 'type1' to 'type2'
+ '/wd4351', # new behavior: elements of array 'array' will be default initialized
+ '/wd4756', # overflow in constant arithmetic
+ '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
+ '/wd4996', # disable deprecated POSIX name warnings
]
+ if env['clang']:
+ ccflags += [
+ '-Wno-microsoft-enum-value', # enumerator value is not representable in underlying type 'int'
+ ]
if env['machine'] == 'x86':
ccflags += [
- #'/arch:SSE2', # use the SSE2 instructions
+ '/arch:SSE2', # use the SSE2 instructions (default since MSVC 2012)
]
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)
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:
env.Append(CCFLAGS = ['/MT'])
env.Append(SHCCFLAGS = ['/LD'])
+ # Static code analysis
+ if env['analyze']:
+ if env['msvc']:
+ # http://msdn.microsoft.com/en-us/library/ms173498.aspx
+ env.Append(CCFLAGS = [
+ '/analyze',
+ #'/analyze:log', '${TARGET.base}.xml',
+ '/wd28251', # Inconsistent annotation for function
+ ])
+ if env['clang']:
+ # scan-build will produce more comprehensive output
+ env.Append(CCFLAGS = ['--analyze'])
+
+ # https://github.com/google/sanitizers/wiki/AddressSanitizer
+ if env['asan']:
+ if gcc_compat:
+ env.Append(CCFLAGS = [
+ '-fsanitize=address',
+ ])
+ env.Append(LINKFLAGS = [
+ '-fsanitize=address',
+ ])
+
# Assembler options
- if gcc:
+ if gcc_compat:
if env['machine'] == 'x86':
env.Append(ASFLAGS = ['-m32'])
if env['machine'] == 'x86_64':
# Linker options
linkflags = []
shlinkflags = []
- if gcc:
+ if gcc_compat:
if env['machine'] == 'x86':
linkflags += ['-m32']
if env['machine'] == 'x86_64':
pass
else:
env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
+ if env['platform'] == 'windows':
+ linkflags += [
+ '-Wl,--nxcompat', # DEP
+ '-Wl,--dynamicbase', # ASLR
+ ]
+ # 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' and not env['clang']:
# enable Link-time Code Generation
linkflags += ['/LTCG']
env.Append(ARFLAGS = ['/LTCG'])
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',
+ '/dynamicbase', # ASLR
+ '/nxcompat', # DEP
]
env.Append(LINKFLAGS = linkflags)
env.Append(SHLINKFLAGS = shlinkflags)
+ # We have C++ in several libraries, so always link with the C++ compiler
+ if gcc_compat:
+ env['LINK'] = env['CXX']
+
# Default libs
- env.Append(LIBS = [])
+ libs = []
+ if env['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
+ libs += ['m', 'pthread', 'dl']
+ if env['platform'] in ('linux',):
+ libs += ['rt']
+ if env['platform'] in ('haiku'):
+ libs += ['root', 'be', 'network', 'translation']
+ 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')
+ if env['msvc']:
+ env.Append(LEXFLAGS = [
+ # Force flex to use const keyword in prototypes, as relies on
+ # __cplusplus or __STDC__ macro to determine whether it's safe to
+ # use const keyword, but MSVC never defines __STDC__ unless we
+ # disable all MSVC extensions.
+ '-DYY_USE_CONST=',
+ ])
+ # Flex relies on __STDC_VERSION__>=199901L to decide when to include
+ # C99 inttypes.h. We always have inttypes.h available with MSVC
+ # (either the one bundled with MSVC 2013, or the one we bundle
+ # ourselves), but we can't just define __STDC_VERSION__ without
+ # breaking stuff, as MSVC doesn't fully support C99. There's also no
+ # way to premptively include stdint.
+ env.Append(CCFLAGS = ['-FIinttypes.h'])
+ if host_platform.system() == 'Windows':
+ # Prefer winflexbison binaries, as not only they are easier to install
+ # (no additional dependencies), but also better Windows support.
+ if check_prog(env, 'win_flex'):
+ env["LEX"] = 'win_flex'
+ env.Append(LEXFLAGS = [
+ # windows compatibility (uses <io.h> instead of <unistd.h> and
+ # _isatty, _fileno functions)
+ '--wincompat'
+ ])
+
+ env.Tool('yacc')
+ if host_platform.system() == 'Windows':
+ if check_prog(env, 'win_bison'):
+ env["YACC"] = 'win_bison'
+ if env['llvm']:
+ env.Tool('llvm')
+
# Custom builders and methods
env.Tool('custom')
- createInstallMethods(env)
+ env.AddMethod(install_program, 'InstallProgram')
+ env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+ env.AddMethod(msvc2013_compat, 'MSVC2013Compat')
+ env.AddMethod(unit_test, 'UnitTest')
+
+ env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'glproto >= 1.4.13', 'dri2proto >= 2.8'])
+ env.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1', 'xcb-dri2 >= 1.8'])
+ env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
+ env.PkgCheckModules('DRM', ['libdrm >= 2.4.75'])
+
+ if not os.path.exists("src/util/format_srgb.c"):
+ print("Checking for Python Mako module (>= 0.8.0)... ", end='')
+ try:
+ import mako
+ except ImportError:
+ print("no")
+ exit(1)
+ if distutils.version.StrictVersion(mako.__version__) < distutils.version.StrictVersion('0.8.0'):
+ print("no")
+ exit(1)
+ print("yes")
+
+ if env['x11']:
+ env.Append(CPPPATH = env['X11_CPPPATH'])
+
+ env['dri'] = env['x11'] and env['drm']
# for debugging
#print env.Dump()