# 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 _platform
+import platform as host_platform
import sys
import tempfile
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():
source.write('#if !(%s)\n#error\n#endif\n' % expr)
source.close()
- pipe = SCons.Action._subproc(env, [env['CC'], cpp_opt, source.name],
+ # 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')
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"""
env.Tool(env['toolchain'])
# Allow override compiler and specify additional flags from environment
- if os.environ.has_key('CC'):
+ if 'CC' in os.environ:
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'):
+ if 'CFLAGS' in os.environ:
env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
- if os.environ.has_key('CXX'):
+ if 'CXX' in os.environ:
env['CXX'] = os.environ['CXX']
- if os.environ.has_key('CXXFLAGS'):
+ if 'CXXFLAGS' in os.environ:
env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
- if os.environ.has_key('LDFLAGS'):
+ 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'] = 0
+ env['gcc_compat'] = 0
env['clang'] = 0
env['msvc'] = 0
- if _platform.system() == 'Windows':
+ if host_platform.system() == 'Windows':
env['msvc'] = check_cc(env, 'MSVC', 'defined(_MSC_VER)', '/E')
if not env['msvc']:
- env['gcc'] = check_cc(env, 'GCC', 'defined(__GNUC__) && !defined(__clang__)')
- env['clang'] = check_cc(env, 'Clang', '__clang__')
+ 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'])
- 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
machine = env['machine']
platform = env['platform']
x86 = env['machine'] == 'x86'
ppc = env['machine'] == 'ppc'
- gcc_compat = env['gcc'] or env['clang']
+ 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.
- 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()))
+ hosthost_platform = host_platform.system().lower()
+ if hosthost_platform.startswith('cygwin'):
+ hosthost_platform = 'cygwin'
+ host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', host_platform.machine()))
host_machine = {
'x86': 'x86',
'i386': 'x86',
'AMD64': 'x86_64',
'x86_64': 'x86_64',
}.get(host_machine, 'generic')
- env['crosscompile'] = platform != host_platform
+ 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
+ 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
+ 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['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'],)
+ 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())
- env.Decider('MD5-timestamp')
+ # 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 = []
+ cppdefines += [
+ '__STDC_CONSTANT_MACROS',
+ '__STDC_FORMAT_MACROS',
+ '__STDC_LIMIT_MACROS',
+ 'HAVE_SCONS',
+ ]
if env['build'] in ('debug', 'checked'):
cppdefines += ['DEBUG']
else:
'_SVID_SOURCE',
'_BSD_SOURCE',
'_GNU_SOURCE',
- 'HAVE_PTHREAD',
- 'HAVE_POSIX_MEMALIGN',
+ '_DEFAULT_SOURCE',
]
if env['platform'] == 'darwin':
cppdefines += [
'GLX_DIRECT_RENDERING',
'GLX_INDIRECT_RENDERING',
]
- if env['platform'] in ('linux', 'freebsd'):
- cppdefines += ['HAVE_ALIAS']
- else:
- cppdefines += ['GLX_ALIAS_UNSUPPORTED']
- if env['platform'] in ('linux', 'darwin'):
+ if check_header(env, 'xlocale.h'):
cppdefines += ['HAVE_XLOCALE_H']
- if env['platform'] == 'haiku':
- cppdefines += [
- 'HAVE_PTHREAD',
- 'HAVE_POSIX_MEMALIGN'
- ]
+ 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, ['timespec_get']):
+ cppdefines += ['HAVE_TIMESPEC_GET']
+
+ if check_header(env, 'sys/shm.h'):
+ cppdefines += ['HAVE_SYS_SHM_H']
+
if platform == 'windows':
cppdefines += [
'WIN32',
'_SCL_SECURE_NO_WARNINGS',
'_SCL_SECURE_NO_DEPRECATE',
'_ALLOW_KEYWORD_MACROS',
+ '_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
]
if env['build'] in ('debug', 'checked'):
cppdefines += ['_DEBUG']
cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
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
cxxflags = [] # C++
ccflags = [] # C & C++
if gcc_compat:
- ccversion = env['CCVERSION']
if env['build'] == 'debug':
ccflags += ['-O0']
- elif env['gcc'] and ccversion.startswith('4.2.'):
- # gcc 4.2.x optimizer is broken
- print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
- ccflags += ['-O0']
else:
ccflags += ['-O3']
if env['gcc']:
# Work around aliasing bugs - developers should comment this out
ccflags += ['-fno-strict-aliasing']
ccflags += ['-g']
- if env['build'] in ('checked', 'profile'):
+ 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',
'-m32',
#'-march=pentium4',
]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
- and (platform != 'windows' or env['build'] == 'debug' or True) \
- and platform != 'haiku':
+ 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: -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',
+ '-msse', '-msse2', # enable SIMD intrinsics
+ '-mfpmath=sse', # generate SSE floating-point arithmetic
]
if platform in ['windows', 'darwin']:
# Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
'-Wmissing-prototypes',
'-std=gnu99',
]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
- ccflags += [
- '-Wpointer-arith',
- ]
- cflags += [
- '-Wdeclaration-after-statement',
- ]
if icc:
cflags += [
'-std=gnu99',
# See also:
# - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
# - cl /?
- if 'MSVC_VERSION' not in env or distutils.version.LooseVersion(env['MSVC_VERSION']) < distutils.version.LooseVersion('12.0'):
- # Use bundled stdbool.h and stdint.h headers for older MSVC
- # versions. stdint.h was introduced in MSVC 2010, but stdbool.h
- # was only introduced in MSVC 2013.
- top_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
- env.Append(CPPPATH = [os.path.join(top_dir, 'include/c99')])
if env['build'] == 'debug':
ccflags += [
'/Od', # disable optimizations
'/Oi', # enable intrinsic functions
]
else:
- if 'MSVC_VERSION' in env and distutils.version.LooseVersion(env['MSVC_VERSION']) < distutils.version.LooseVersion('11.0'):
- print 'scons: warning: Visual Studio versions prior to 2012 are known to produce incorrect code when optimizations are enabled ( https://bugs.freedesktop.org/show_bug.cgi?id=58718 )'
ccflags += [
'/O2', # optimize for speed
]
if env['build'] == 'release':
- ccflags += [
- '/GL', # enable whole program optimization
- ]
+ if not env['clang']:
+ ccflags += [
+ '/GL', # enable whole program optimization
+ ]
else:
ccflags += [
'/Oy-', # disable frame pointer omission
- '/GL-', # disable whole program optimization
]
ccflags += [
'/W3', # warning level
+ '/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 += [
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_compat:
if env['machine'] == 'x86':
shlinkflags += ['-Wl,--enable-stdcall-fixup']
#shlinkflags += ['-Wl,--kill-at']
if msvc:
- if env['build'] == 'release':
+ if env['build'] == 'release' and not env['clang']:
# enable Link-time Code Generation
linkflags += ['/LTCG']
env.Append(ARFLAGS = ['/LTCG'])
env.Append(CCFLAGS = ['-fopenmp'])
env.Append(LIBS = ['gomp'])
- if gcc_compat:
- ccversion = env['CCVERSION']
- cppdefines += [
- 'HAVE___BUILTIN_EXPECT',
- 'HAVE___BUILTIN_FFS',
- 'HAVE___BUILTIN_FFSLL',
- 'HAVE_FUNC_ATTRIBUTE_FLATTEN',
- ]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('3'):
- cppdefines += [
- 'HAVE_FUNC_ATTRIBUTE_FORMAT',
- 'HAVE_FUNC_ATTRIBUTE_PACKED',
- ]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('3.4'):
- cppdefines += [
- 'HAVE___BUILTIN_CTZ',
- 'HAVE___BUILTIN_POPCOUNT',
- 'HAVE___BUILTIN_POPCOUNTLL',
- 'HAVE___BUILTIN_CLZ',
- 'HAVE___BUILTIN_CLZLL',
- ]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.5'):
- cppdefines += ['HAVE___BUILTIN_UNREACHABLE']
-
# 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', 'xfixes', 'glproto >= 1.4.13'])
+ 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 >= 2.4.38'])
- env.PkgCheckModules('UDEV', ['libudev >= 151'])
+ 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']