diff options
Diffstat (limited to 'SConstruct')
| -rw-r--r-- | SConstruct | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/SConstruct b/SConstruct index 0a3d6de02..a6659fe9b 100644 --- a/SConstruct +++ b/SConstruct @@ -63,10 +63,10 @@ # ################################################### -# Python library imports import sys import os import subprocess + from os.path import join as joinpath # Check for recent-enough Python and SCons versions. If your system's @@ -182,6 +182,7 @@ for t in abs_targets: env = Environment(ENV = os.environ, # inherit user's environment vars ROOT = ROOT, SRCDIR = SRCDIR) +Export('env') #Parse CC/CXX early so that we use the correct compiler for # to test for dependencies/versions/libraries/includes @@ -363,30 +364,42 @@ if have_mysql: env = conf.Finish() # Define the universe of supported ISAs -env['ALL_ISA_LIST'] = ['alpha', 'sparc', 'mips', 'x86'] +all_isa_list = [ ] +Export('all_isa_list') # Define the universe of supported CPU models -env['ALL_CPU_LIST'] = ['AtomicSimpleCPU', 'TimingSimpleCPU', - 'O3CPU', 'OzoneCPU'] - -if os.path.isdir(joinpath(SRCDIR, 'encumbered/cpu/full')): - env['ALL_CPU_LIST'] += ['FullCPU'] +all_cpu_list = [ ] +default_cpus = [ ] +Export('all_cpu_list', 'default_cpus') # Sticky options get saved in the options file so they persist from # one invocation to the next (unless overridden, in which case the new # value becomes sticky). sticky_opts = Options(args=ARGUMENTS) +Export('sticky_opts') + +# Non-sticky options only apply to the current build. +nonsticky_opts = Options(args=ARGUMENTS) +Export('nonsticky_opts') + +# Walk the tree and execute all SConsopts scripts that wil add to the +# above options +for root, dirs, files in os.walk('.'): + if 'SConsopts' in files: + SConscript(os.path.join(root, 'SConsopts')) + +all_isa_list.sort() +all_cpu_list.sort() +default_cpus.sort() + sticky_opts.AddOptions( - EnumOption('TARGET_ISA', 'Target ISA', 'alpha', env['ALL_ISA_LIST']), + EnumOption('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list), BoolOption('FULL_SYSTEM', 'Full-system support', False), # There's a bug in scons 0.96.1 that causes ListOptions with list # values (more than one value) not to be able to be restored from # a saved option file. If this causes trouble then upgrade to # scons 0.96.90 or later. - ListOption('CPU_MODELS', 'CPU models', 'AtomicSimpleCPU,TimingSimpleCPU,O3CPU', - env['ALL_CPU_LIST']), - BoolOption('ALPHA_TLASER', - 'Model Alpha TurboLaser platform (vs. Tsunami)', False), + ListOption('CPU_MODELS', 'CPU models', default_cpus, all_cpu_list), BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False), BoolOption('EFENCE', 'Link with Electric Fence malloc debugger', False), @@ -408,8 +421,6 @@ sticky_opts.AddOptions( '%s:%s' % (sys.prefix, sys.exec_prefix)) ) -# Non-sticky options only apply to the current build. -nonsticky_opts = Options(args=ARGUMENTS) nonsticky_opts.AddOptions( BoolOption('update_ref', 'Update test reference outputs', False) ) @@ -514,6 +525,7 @@ env.SConscript('ext/libelf/SConscript', # ################################################### +env['ALL_ISA_LIST'] = all_isa_list 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 @@ -524,7 +536,7 @@ def make_switching_dir(dirname, switch_headers, env): f = open(fname, 'w') f.write('#include "arch/isa_specific.hh"\n') cond = '#if' - for isa in env['ALL_ISA_LIST']: + for isa in all_isa_list: f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n' % (cond, isa.upper(), dirname, isa, basename)) cond = '#elif' @@ -545,8 +557,7 @@ def make_switching_dir(dirname, switch_headers, env): # Instantiate actions for each header for hdr in switch_headers: env.Command(hdr, [], switch_hdr_action) - -env.make_switching_dir = make_switching_dir +Export('make_switching_dir') ################################################### # |