ROOT = ROOT,
SRCDIR = SRCDIR)
+#Parse CC/CXX early so that we use the correct compiler for
+# to test for dependencies/versions/libraries/includes
+if ARGUMENTS.get('CC', None):
+ env['CC'] = ARGUMENTS.get('CC')
+
+if ARGUMENTS.get('CXX', None):
+ env['CXX'] = ARGUMENTS.get('CXX')
+
env.SConsignFile(os.path.join(build_root,"sconsign"))
# Default duplicate option is to use hard links, but this messes up
Exit(1)
# On Solaris you need to use libsocket for socket ops
-if not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C', 'accept(0,NULL,NULL);'):
- if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C', 'accept(0,NULL,NULL);'):
+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);'):
print "Can't find library with socket calls (e.g. accept())"
Exit(1)
# Define the universe of supported CPU models
env['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU',
- 'FullCPU', 'O3CPU',
- 'OzoneCPU']
+ 'O3CPU', 'OzoneCPU']
+
+if os.path.isdir(os.path.join(SRCDIR, 'src/encumbered/cpu/full')):
+ env['ALL_CPU_LIST'] += ['FullCPU']
# Sticky options get saved in the options file so they persist from
# one invocation to the next (unless overridden, in which case the new
# 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', \
- 'USE_CHECKER', 'PYTHONHOME']
+ 'USE_CHECKER', 'PYTHONHOME', 'TARGET_ISA']
# Define a handy 'no-op' action
def no_action(target, source, env):
build_dir = os.path.join(build_root, 'libelf'),
exports = 'env')
+###################################################
+#
+# This function is used to set up a directory with switching headers
+#
+###################################################
+
+def make_switching_dir(dirname, 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])
+ basename = os.path.basename(fname)
+ f = open(fname, 'w')
+ f.write('#include "arch/isa_specific.hh"\n')
+ cond = '#if'
+ for isa in env['ALL_ISA_LIST']:
+ f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n'
+ % (cond, isa.upper(), dirname, isa, basename))
+ cond = '#elif'
+ f.write('#else\n#error "THE_ISA not set"\n#endif\n')
+ f.close()
+ return 0
+
+ # String to print when generating header
+ def gen_switch_hdr_string(target, source, env):
+ return "Generating switch header " + str(target[0])
+
+ # 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 = Action(gen_switch_hdr, gen_switch_hdr_string,
+ varlist=['ALL_ISA_LIST'])
+
+ # Instantiate actions for each header
+ for hdr in switch_headers:
+ env.Command(hdr, [], switch_hdr_action)
+
+env.make_switching_dir = make_switching_dir
+
###################################################
#
# Define build environments for selected configurations.
Help(help_text)
+
###################################################
#
# Let SCons do its thing. At this point SCons will use the defined