# export TERM so that clang reports errors in color
use_vars = set([ 'AS', 'AR', 'CC', 'CXX', 'HOME', 'LD_LIBRARY_PATH',
'LIBRARY_PATH', 'PATH', 'PKG_CONFIG_PATH', 'PROTOC',
- 'PYTHONPATH', 'RANLIB', 'SWIG', 'TERM' ])
+ 'PYTHONPATH', 'RANLIB', 'TERM' ])
use_prefixes = [
"ASAN_", # address sanitizer symbolizer path and settings
print "No C++ compiler installed (package g++ on Ubuntu and RedHat)"
Exit(1)
-# Check that swig is present
-if not 'SWIG' in main_dict_keys:
- print "swig is not installed (package swig on Ubuntu and RedHat)"
- Exit(1)
-
# add useful python code PYTHONPATH so it can be used by subprocesses
# as well
main.AppendENVPath('PYTHONPATH', extra_python_paths)
global_vars.AddVariables(
('CC', 'C compiler', environ.get('CC', main['CC'])),
('CXX', 'C++ compiler', environ.get('CXX', main['CXX'])),
- ('SWIG', 'SWIG tool', environ.get('SWIG', main['SWIG'])),
('PROTOC', 'protoc tool', environ.get('PROTOC', 'protoc')),
('BATCH', 'Use batch pool for build and tests', False),
('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
main['CCCOMSTR'] = Transform("CC")
main['CXXCOMSTR'] = Transform("CXX")
main['ASCOMSTR'] = Transform("AS")
- main['SWIGCOMSTR'] = Transform("SWIG")
main['ARCOMSTR'] = Transform("AR", 0)
main['LINKCOMSTR'] = Transform("LINK", 0)
main['SHLINKCOMSTR'] = Transform("SHLINK", 0)
main['FILTER_PSHLINKFLAGS'] = lambda x: str(x).replace(' -shared', '')
main['PSHLINKFLAGS'] = main.subst('${FILTER_PSHLINKFLAGS(SHLINKFLAGS)}')
main['PLINKFLAGS'] = main.subst('${LINKFLAGS}')
- shared_partial_flags = ['-Wl,--relocatable', '-nostdlib']
+ shared_partial_flags = ['-r', '-nostdlib']
main.Append(PSHLINKFLAGS=shared_partial_flags)
main.Append(PLINKFLAGS=shared_partial_flags)
else:
'Warning: pkg-config could not get protobuf flags.' + \
termcap.Normal
-# Check for SWIG
-if not main.has_key('SWIG'):
- print 'Error: SWIG utility not found.'
- print ' Please install (see http://www.swig.org) and retry.'
- Exit(1)
-
-# Check for appropriate SWIG version
-swig_version = readCommand([main['SWIG'], '-version'], exception='').split()
-# First 3 words should be "SWIG Version x.y.z"
-if len(swig_version) < 3 or \
- swig_version[0] != 'SWIG' or swig_version[1] != 'Version':
- print 'Error determining SWIG version.'
- Exit(1)
-
-min_swig_version = '2.0.4'
-if compareVersions(swig_version[2], min_swig_version) < 0:
- print 'Error: SWIG version', min_swig_version, 'or newer required.'
- print ' Installed version:', swig_version[2]
- Exit(1)
-
-# Check for known incompatibilities. The standard library shipped with
-# gcc >= 4.9 does not play well with swig versions prior to 3.0
-if main['GCC'] and compareVersions(gcc_version, '4.9') >= 0 and \
- compareVersions(swig_version[2], '3.0') < 0:
- print termcap.Yellow + termcap.Bold + \
- 'Warning: This combination of gcc and swig have' + \
- ' known incompatibilities.\n' + \
- ' If you encounter build problems, please update ' + \
- 'swig to 3.0 or later.' + \
- termcap.Normal
-
-# Set up SWIG flags & scanner
-swig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS')
-main.Append(SWIGFLAGS=swig_flags)
# Check for 'timeout' from GNU coreutils. If present, regressions will
# be run with a time limit. We require version 8.13 since we rely on
main['TIMEOUT'] = timeout_version and \
compareVersions(timeout_version[-1], '8.13') >= 0
-# filter out all existing swig scanners, they mess up the dependency
-# stuff for some reason
-scanners = []
-for scanner in main['SCANNERS']:
- skeys = scanner.skeys
- if skeys == '.i':
- continue
-
- if isinstance(skeys, (list, tuple)) and '.i' in skeys:
- continue
-
- scanners.append(scanner)
-
-# add the new swig scanner that we like better
-from SCons.Scanner import ClassicCPP as CPPScanner
-swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
-scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
-
-# replace the scanners list that has what we want
-main['SCANNERS'] = scanners
-
# Add a custom Check function to test for structure members.
def CheckMember(context, include, decl, member, include_quotes="<>"):
context.Message("Checking for member %s in %s..." %
# builds in ext are shared across all configs in the build root.
ext_dir = abspath(joinpath(str(main.root), 'ext'))
+ext_build_dirs = []
for root, dirs, files in os.walk(ext_dir):
if 'SConscript' in files:
build_dir = os.path.relpath(root, ext_dir)
+ ext_build_dirs.append(build_dir)
main.SConscript(joinpath(root, 'SConscript'),
variant_dir=joinpath(build_root, build_dir))
###################################################
#
-# This function is used to set up a directory with switching headers
+# This builder and wrapper method are used to set up a directory with
+# switching headers. Those are headers which are in a generic location and
+# that include more specific headers from a directory chosen at build time
+# based on the current build settings.
#
###################################################
-main['ALL_ISA_LIST'] = all_isa_list
-main['ALL_GPU_ISA_LIST'] = all_gpu_isa_list
-all_isa_deps = {}
-def make_switching_dir(dname, switch_headers, env):
- # Generate the header. target[0] is the full path of the output
- # header to generate. 'source' is a dummy variable, since we get the
- # list of ISAs from env['ALL_ISA_LIST'].
- def gen_switch_hdr(target, source, env):
- fname = str(target[0])
- isa = env['TARGET_ISA'].lower()
- try:
- f = open(fname, 'w')
- print >>f, '#include "%s/%s/%s"' % (dname, isa, basename(fname))
- f.close()
- except IOError:
- print "Failed to create %s" % fname
- raise
-
- # Build SCons Action object. 'varlist' specifies env vars that this
- # action depends on; when env['ALL_ISA_LIST'] changes these actions
- # should get re-executed.
- switch_hdr_action = MakeAction(gen_switch_hdr,
- Transform("GENERATE"), varlist=['ALL_ISA_LIST'])
+def build_switching_header(target, source, env):
+ path = str(target[0])
+ subdir = str(source[0])
+ dp, fp = os.path.split(path)
+ dp = os.path.relpath(os.path.realpath(dp),
+ os.path.realpath(env['BUILDDIR']))
+ with open(path, 'w') as hdr:
+ print >>hdr, '#include "%s/%s/%s"' % (dp, subdir, fp)
- # Instantiate actions for each header
- for hdr in switch_headers:
- env.Command(hdr, [], switch_hdr_action)
+switching_header_action = MakeAction(build_switching_header,
+ Transform('GENERATE'))
- isa_target = Dir('.').up().name.lower().replace('_', '-')
- env['PHONY_BASE'] = '#'+isa_target
- all_isa_deps[isa_target] = None
+switching_header_builder = Builder(action=switching_header_action,
+ source_factory=Value,
+ single_source=True)
-Export('make_switching_dir')
+main.Append(BUILDERS = { 'SwitchingHeader': switching_header_builder })
-def make_gpu_switching_dir(dname, switch_headers, env):
- # Generate the header. target[0] is the full path of the output
- # header to generate. 'source' is a dummy variable, since we get the
- # list of ISAs from env['ALL_ISA_LIST'].
- def gen_switch_hdr(target, source, env):
- fname = str(target[0])
+def switching_headers(self, headers, source):
+ for header in headers:
+ self.SwitchingHeader(header, source)
- isa = env['TARGET_GPU_ISA'].lower()
-
- try:
- f = open(fname, 'w')
- print >>f, '#include "%s/%s/%s"' % (dname, isa, basename(fname))
- f.close()
- except IOError:
- print "Failed to create %s" % fname
- raise
-
- # Build SCons Action object. 'varlist' specifies env vars that this
- # action depends on; when env['ALL_ISA_LIST'] changes these actions
- # should get re-executed.
- switch_hdr_action = MakeAction(gen_switch_hdr,
- Transform("GENERATE"), varlist=['ALL_ISA_GPU_LIST'])
-
- # Instantiate actions for each header
- for hdr in switch_headers:
- env.Command(hdr, [], switch_hdr_action)
-
-Export('make_gpu_switching_dir')
+main.AddMethod(switching_headers, 'SwitchingHeaders')
# all-isas -> all-deps -> all-environs -> all_targets
main.Alias('#all-isas', [])
#
###################################################
+def variant_name(path):
+ return os.path.basename(path).lower().replace('_', '-')
+main['variant_name'] = variant_name
+main['VARIANT_NAME'] = '${variant_name(BUILDDIR)}'
+
for variant_path in variant_paths:
if not GetOption('silent'):
print "Building in", variant_path
sticky_vars.files.append(current_vars_file)
if not GetOption('silent'):
print "Using saved variables file %s" % current_vars_file
+ elif variant_dir in ext_build_dirs:
+ # Things in ext are built without a variant directory.
+ continue
else:
# Build dir-specific variables file doesn't exist.
b.next()
return itertools.izip(a, b)
+variant_names = [variant_name(path) for path in variant_paths]
+
# Create false dependencies so SCons will parse ISAs, establish
# dependencies, and setup the build Environments serially. Either
# SCons (likely) and/or our SConscripts (possibly) cannot cope with -j
# Every time I tried to remove this, builds would fail in some
# creative new way. So, don't do that. You'll want to, though, because
# tests/SConscript takes a long time to make its Environments.
-for t1, t2 in pairwise(sorted(all_isa_deps.iterkeys())):
+for t1, t2 in pairwise(sorted(variant_names)):
main.Depends('#%s-deps' % t2, '#%s-deps' % t1)
main.Depends('#%s-environs' % t2, '#%s-environs' % t1)
projects / gem5.git / blobdiff