}
+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['toolchain'] == 'crossmingw' and env['machine'] not in ('generic', 'x86'):
env['machine'] = 'x86'
+ try:
+ env['MSVS_VERSION'] = ARGUMENTS['MSVS_VERSION']
+ except KeyError:
+ pass
+
# Build type
env['debug'] = _bool_map[ARGUMENTS.get('debug', 'no')]
env['profile'] = _bool_map[ARGUMENTS.get('profile', 'no')]
# Put build output in a separate dir, which depends on the current
# configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
try:
- env['variant_dir'] = ARGUMENTS['variant_dir']
+ env['build'] = ARGUMENTS['build']
except KeyError:
build_topdir = 'build'
build_subdir = env['platform']
build_subdir += "-debug"
if env['profile']:
build_subdir += "-profile"
- env['variant_dir'] = os.path.join(build_topdir, build_subdir)
+ env['build'] = 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.VariantDir(env['variant_dir']
- #env.SConsignFile(os.path.join(env['variant_dir'], '.sconsign'))
+ env.SConsignFile(os.path.join(env['build'], '.sconsign'))
+
+ # Parallel build
+ if env.GetOption('num_jobs') <= 1:
+ env.SetOption('num_jobs', num_jobs())
# Summary
print
print ' toolchain=%s' % env['toolchain']
print ' debug=%s' % ['no', 'yes'][env['debug']]
print ' profile=%s' % ['no', 'yes'][env['profile']]
- #print ' variant_dir=%s' % env['variant_dir']
+ print ' build=%s' % env['build']
+ print ' %s jobs' % env.GetOption('num_jobs')
print
# Load tool chain
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['platform'] in ('linux', 'freebsd', 'darwin') or env['toolchain'] == 'crossmingw'
- msvc = env['platform'] in ('windows', 'winddk', 'wince') and env['toolchain'] != 'crossmingw'
+ gcc = env['gcc']
+ msvc = env['msvc']
# C preprocessor options
cppdefines = []
#'_UNICODE',
#'UNICODE',
# http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
- 'WIN32_LEAN_AND_MEAN',
- 'VC_EXTRALEAN',
- '_CRT_SECURE_NO_DEPRECATE',
+ #'WIN32_LEAN_AND_MEAN',
]
+ if msvc:
+ 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 platform == 'winddk':
])
# C compiler options
- cflags = []
+ cflags = [] # C
+ cxxflags = [] # C++
+ ccflags = [] # C & C++
if gcc:
if debug:
- cflags += ['-O0', '-g3']
+ ccflags += ['-O0', '-g3']
+ elif env['toolchain'] == 'crossmingw':
+ ccflags += ['-O0', '-g3'] # mingw 4.2.1 optimizer is broken
else:
- cflags += ['-O3', '-g0']
- if env['profile']:
- cflags += ['-pg']
+ ccflags += ['-O3', '-g0']
if env['machine'] == 'x86':
- cflags += [
+ ccflags += [
'-m32',
#'-march=pentium4',
'-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
#'-mfpmath=sse',
]
if env['machine'] == 'x86_64':
- cflags += ['-m64']
- cflags += [
+ ccflags += ['-m64']
+ # See also:
+ # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
+ ccflags += [
'-Wall',
- '-Wmissing-prototypes',
+ '-Wmissing-field-initializers',
+ '-Wpointer-arith',
'-Wno-long-long',
'-ffast-math',
- '-pedantic',
'-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:
- cflags += [
+ ccflags += [
'/Od', # disable optimizations
'/Oi', # enable intrinsic functions
'/Oy-', # disable frame pointer omission
+ '/GL-', # disable whole program optimization
]
else:
- cflags += [
+ ccflags += [
'/Ox', # maximum optimizations
'/Oi', # enable intrinsic functions
'/Ot', # favor code speed
#'/fp:fast', # fast floating point
]
- if env['profile']:
- cflags += [
- '/Gh', # enable _penter hook function
- '/GH', # enable _pexit hook function
- ]
- cflags += [
+ ccflags += [
'/W3', # warning level
#'/Wp64', # enable 64 bit porting warnings
]
if env['machine'] == 'x86':
- cflags += [
+ ccflags += [
#'/QIfist', # Suppress _ftol
#'/arch:SSE2', # use the SSE2 instructions
]
if platform == 'windows':
- cflags += [
+ ccflags += [
# TODO
]
if platform == 'winddk':
- cflags += [
+ ccflags += [
'/Zl', # omit default library name in .OBJ
'/Zp8', # 8bytes struct member alignment
'/Gy', # separate functions for linker
]
if platform == 'wince':
# See also C:\WINCE600\public\common\oak\misc\makefile.def
- cflags += [
+ ccflags += [
'/Zl', # omit default library name in .OBJ
'/GF', # enable read-only string pooling
'/GR-', # disable C++ RTTI
# 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 = 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':
linkflags += ['-m32']
if env['machine'] == 'x86_64':
linkflags += ['-m64']
- if platform == 'winddk':
+ 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',
'/entry:DrvEnableDriver',
]
- if env['profile']:
+ if env['debug'] or env['profile']:
linkflags += [
'/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
]
projects / mesa.git / blobdiff