help="Add color to abbreviated scons output")
AddLocalOption('--no-colors', dest='use_colors', action='store_false',
help="Don't add color to abbreviated scons output")
+AddLocalOption('--with-cxx-config', dest='with_cxx_config',
+ action='store_true',
+ help="Build with support for C++-based configuration")
AddLocalOption('--default', dest='default', type='string', action='store',
help='Override which build_opts file to use for defaults')
AddLocalOption('--ignore-style', dest='ignore_style', action='store_true',
help='Update test reference outputs')
AddLocalOption('--verbose', dest='verbose', action='store_true',
help='Print full tool command lines')
+AddLocalOption('--without-python', dest='without_python',
+ action='store_true',
+ help='Build without Python configuration support')
+AddLocalOption('--without-tcmalloc', dest='without_tcmalloc',
+ action='store_true',
+ help='Disable linking against tcmalloc')
+AddLocalOption('--with-ubsan', dest='with_ubsan', action='store_true',
+ help='Build with Undefined Behavior Sanitizer if available')
termcap = get_termcap(GetOption('use_colors'))
'binutils to 2.23.' + \
termcap.Normal
+ # Make sure we warn if the user has requested to compile with the
+ # Undefined Benahvior Sanitizer and this version of gcc does not
+ # support it.
+ if GetOption('with_ubsan') and \
+ compareVersions(gcc_version, '4.9') < 0:
+ print termcap.Yellow + termcap.Bold + \
+ 'Warning: UBSan is only supported using gcc 4.9 and later.' + \
+ termcap.Normal
+
# Add the appropriate Link-Time Optimization (LTO) flags
# unless LTO is explicitly turned off. Note that these flags
# are only used by the fast target.
print 'Using build cache located at', main['M5_BUILD_CACHE']
CacheDir(main['M5_BUILD_CACHE'])
-# Find Python include and library directories for embedding the
-# interpreter. We rely on python-config to resolve the appropriate
-# includes and linker flags. ParseConfig does not seem to understand
-# the more exotic linker flags such as -Xlinker and -export-dynamic so
-# we add them explicitly below. If you want to link in an alternate
-# version of python, see above for instructions on how to invoke
-# scons with the appropriate PATH set.
-#
-# First we check if python2-config exists, else we use python-config
-python_config = readCommand(['which', 'python2-config'], exception='').strip()
-if not os.path.exists(python_config):
- python_config = readCommand(['which', 'python-config'],
+if not GetOption('without_python'):
+ # Find Python include and library directories for embedding the
+ # interpreter. We rely on python-config to resolve the appropriate
+ # includes and linker flags. ParseConfig does not seem to understand
+ # the more exotic linker flags such as -Xlinker and -export-dynamic so
+ # we add them explicitly below. If you want to link in an alternate
+ # version of python, see above for instructions on how to invoke
+ # scons with the appropriate PATH set.
+ #
+ # First we check if python2-config exists, else we use python-config
+ python_config = readCommand(['which', 'python2-config'],
exception='').strip()
-py_includes = readCommand([python_config, '--includes'],
- exception='').split()
-# Strip the -I from the include folders before adding them to the
-# CPPPATH
-main.Append(CPPPATH=map(lambda inc: inc[2:], py_includes))
-
-# Read the linker flags and split them into libraries and other link
-# flags. The libraries are added later through the call the CheckLib.
-py_ld_flags = readCommand([python_config, '--ldflags'], exception='').split()
-py_libs = []
-for lib in py_ld_flags:
- if not lib.startswith('-l'):
- main.Append(LINKFLAGS=[lib])
- else:
- lib = lib[2:]
- if lib not in py_libs:
- py_libs.append(lib)
-
-# verify that this stuff works
-if not conf.CheckHeader('Python.h', '<>'):
- print "Error: can't find Python.h header in", py_includes
- print "Install Python headers (package python-dev on Ubuntu and RedHat)"
- Exit(1)
-
-for lib in py_libs:
- if not conf.CheckLib(lib):
- print "Error: can't find library %s required by python" % lib
+ if not os.path.exists(python_config):
+ python_config = readCommand(['which', 'python-config'],
+ exception='').strip()
+ py_includes = readCommand([python_config, '--includes'],
+ exception='').split()
+ # Strip the -I from the include folders before adding them to the
+ # CPPPATH
+ main.Append(CPPPATH=map(lambda inc: inc[2:], py_includes))
+
+ # Read the linker flags and split them into libraries and other link
+ # flags. The libraries are added later through the call the CheckLib.
+ py_ld_flags = readCommand([python_config, '--ldflags'],
+ exception='').split()
+ py_libs = []
+ for lib in py_ld_flags:
+ if not lib.startswith('-l'):
+ main.Append(LINKFLAGS=[lib])
+ else:
+ lib = lib[2:]
+ if lib not in py_libs:
+ py_libs.append(lib)
+
+ # verify that this stuff works
+ if not conf.CheckHeader('Python.h', '<>'):
+ print "Error: can't find Python.h header in", py_includes
+ print "Install Python headers (package python-dev on Ubuntu and RedHat)"
Exit(1)
+ for lib in py_libs:
+ if not conf.CheckLib(lib):
+ print "Error: can't find library %s required by python" % lib
+ Exit(1)
+
# On Solaris you need to use libsocket for socket ops
if not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'):
if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'):
conf.CheckLibWithHeader([None, 'rt'], [ 'time.h', 'signal.h' ], 'C',
'timer_create(CLOCK_MONOTONIC, NULL, NULL);')
-if conf.CheckLib('tcmalloc'):
- main.Append(CCFLAGS=main['TCMALLOC_CCFLAGS'])
-elif conf.CheckLib('tcmalloc_minimal'):
- main.Append(CCFLAGS=main['TCMALLOC_CCFLAGS'])
-else:
- print termcap.Yellow + termcap.Bold + \
- "You can get a 12% performance improvement by installing tcmalloc "\
- "(libgoogle-perftools-dev package on Ubuntu or RedHat)." + \
- termcap.Normal
+if not GetOption('without_tcmalloc'):
+ if conf.CheckLib('tcmalloc'):
+ main.Append(CCFLAGS=main['TCMALLOC_CCFLAGS'])
+ elif conf.CheckLib('tcmalloc_minimal'):
+ main.Append(CCFLAGS=main['TCMALLOC_CCFLAGS'])
+ else:
+ print termcap.Yellow + termcap.Bold + \
+ "You can get a 12% performance improvement by "\
+ "installing tcmalloc (libgoogle-perftools-dev package "\
+ "on Ubuntu or RedHat)." + termcap.Normal
if not have_posix_clock:
print "Can't find library for POSIX clocks."
main.SConscript('ext/dramsim2/SConscript',
variant_dir = joinpath(build_root, 'dramsim2'))
+# DRAMPower build is shared across all configs in the build root.
+main.SConscript('ext/drampower/SConscript',
+ variant_dir = joinpath(build_root, 'drampower'))
+
###################################################
#
# This function is used to set up a directory with switching headers
projects / gem5.git / blobdiff