# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Steve Reinhardt
###################################################
#
#
# You can build M5 in a different directory as long as there is a
# 'build/<CONFIG>' somewhere along the target path. The build system
-# expdects that all configs under the same build directory are being
+# expects that all configs under the same build directory are being
# built for the same host system.
#
# Examples:
-# These two commands are equivalent. The '-u' option tells scons to
-# search up the directory tree for this SConstruct file.
+#
+# The following two commands are equivalent. The '-u' option tells
+# scons to search up the directory tree for this SConstruct file.
# % cd <path-to-src>/m5 ; scons build/ALPHA_FS/m5.debug
# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug
-# These two commands are equivalent and demonstrate building in a
-# directory outside of the source tree. The '-C' option tells scons
-# to chdir to the specified directory to find this SConstruct file.
+#
+# The following two commands are equivalent and demonstrate building
+# in a directory outside of the source tree. The '-C' option tells
+# scons to chdir to the specified directory to find this SConstruct
+# file.
# % cd <path-to-src>/m5 ; scons /local/foo/build/ALPHA_FS/m5.debug
# % cd /local/foo/build/ALPHA_FS; scons -C <path-to-src>/m5 m5.debug
#
import sys
import os
-# Check for recent-enough Python and SCons versions
-EnsurePythonVersion(2,3)
+# Check for recent-enough Python and SCons versions. If your system's
+# default installation of Python is not recent enough, you can use a
+# non-default installation of the Python interpreter by either (1)
+# rearranging your PATH so that scons finds the non-default 'python'
+# first or (2) explicitly invoking an alternative interpreter on the
+# scons script, e.g., "/usr/local/bin/python2.4 `which scons` [args]".
+EnsurePythonVersion(2,4)
# Ironically, SCons 0.96 dies if you give EnsureSconsVersion a
# 3-element version number.
ROOT = ROOT,
SRCDIR = SRCDIR)
-env.SConsignFile("sconsign")
+env.SConsignFile(os.path.join(build_root,"sconsign"))
+
+# Default duplicate option is to use hard links, but this messes up
+# when you use emacs to edit a file in the target dir, as emacs moves
+# file to file~ then copies to file, breaking the link. Symbolic
+# (soft) links work better.
+env.SetOption('duplicate', 'soft-copy')
# I waffle on this setting... it does avoid a few painful but
# unnecessary builds, but it also seems to make trivial builds take
env.Append(CCFLAGS=Split("-Wno-uninitialized"))
env.Append(CPPPATH=[Dir('ext/dnet')])
-# Default libraries
+# Find Python include and library directories for embedding the
+# interpreter. For consistency, we will use the same Python
+# installation used to run scons (and thus this script). If you want
+# to link in an alternate version, see above for instructions on how
+# to invoke scons with a different copy of the Python interpreter.
+
+# Get brief Python version name (e.g., "python2.4") for locating
+# include & library files
+py_version_name = 'python' + sys.version[:3]
+
+# include path, e.g. /usr/local/include/python2.4
+env.Append(CPPPATH = os.path.join(sys.exec_prefix, 'include', py_version_name))
+env.Append(LIBS = py_version_name)
+# add library path too if it's not in the default place
+if sys.exec_prefix != '/usr':
+ env.Append(LIBPATH = os.path.join(sys.exec_prefix, 'lib'))
+
+# Set up SWIG flags & scanner
+
+env.Append(SWIGFLAGS=Split('-c++ -python -modern $_CPPINCFLAGS'))
+
+import SCons.Scanner
+
+swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
+
+swig_scanner = SCons.Scanner.ClassicCPP("SwigScan", ".i", "CPPPATH",
+ swig_inc_re)
+
+env.Append(SCANNERS = swig_scanner)
+
+# Other default libraries
env.Append(LIBS=['z'])
# Platform-specific configuration. Note again that we assume that all
# Define the universe of supported CPU models
env['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU',
- 'FullCPU', 'AlphaFullCPU',
- 'OzoneSimpleCPU', 'OzoneCPU', 'CheckerCPU']
+ 'FullCPU', 'O3CPU',
+ 'OzoneCPU']
# Sticky options get saved in the options file so they persist from
# one invocation to the next (unless overridden, in which case the new
BoolOption('USE_SSE2',
'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts',
False),
- BoolOption('STATS_BINNING', 'Bin statistics by CPU mode', have_mysql),
BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql),
BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv),
+ BoolOption('USE_CHECKER', 'Use checker for detailed CPU models', False),
('CC', 'C compiler', os.environ.get('CC', env['CC'])),
('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])),
BoolOption('BATCH', 'Use batch pool for build and tests', False),
BoolOption('update_ref', 'Update test reference outputs', False)
)
-# These options get exported to #defines in config/*.hh (see m5/SConscript).
+# These options get exported to #defines in config/*.hh (see src/SConscript).
env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \
'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP', \
- 'STATS_BINNING']
+ 'USE_CHECKER']
# Define a handy 'no-op' action
def no_action(target, source, env):
env.Append(BUILDERS = { 'ConfigFile' : config_builder })
+###################################################
+#
+# Define a SCons builder for copying files. This is used by the
+# Python zipfile code in src/python/SConscript, but is placed up here
+# since it's potentially more generally applicable.
+#
+###################################################
+
+copy_builder = Builder(action = Copy("$TARGET", "$SOURCE"))
+
+env.Append(BUILDERS = { 'CopyFile' : copy_builder })
+
+###################################################
+#
+# Define a simple SCons builder to concatenate files.
+#
+# Used to append the Python zip archive to the executable.
+#
+###################################################
+
+concat_builder = Builder(action = Action(['cat $SOURCES > $TARGET',
+ 'chmod +x $TARGET']))
+
+env.Append(BUILDERS = { 'Concat' : concat_builder })
+
+
# base help text
help_text = '''
Usage: scons [scons options] [build options] [target(s)]
if env['USE_SSE2']:
env.Append(CCFLAGS='-msse2')
- # The m5/SConscript file sets up the build rules in 'env' according
+ # The src/SConscript file sets up the build rules in 'env' according
# to the configured options. It returns a list of environments,
# one for each variant build (debug, opt, etc.)
envList = SConscript('src/SConscript', build_dir = build_path,
- exports = 'env', duplicate = False)
+ exports = 'env')
# Set up the regression tests for each build.
# for e in envList:
projects / gem5.git / blobdiff