diff options
Diffstat (limited to 'SConstruct')
| -rwxr-xr-x | SConstruct | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct index 65179f10a..ef7af0f26 100755 --- a/SConstruct +++ b/SConstruct @@ -1101,6 +1101,11 @@ if not have_kvm: print "Info: Compatible header file <linux/kvm.h> not found, " \ "disabling KVM support." +# Check if the TUN/TAP driver is available. +have_tuntap = conf.CheckHeader('linux/if_tun.h', '<>') +if not have_tuntap: + print "Info: Compatible header file <linux/if_tun.h> not found." + # x86 needs support for xsave. We test for the structure here since we # won't be able to run new tests by the time we know which ISA we're # targeting. @@ -1233,6 +1238,9 @@ sticky_vars.AddVariables( BoolVariable('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv), BoolVariable('CP_ANNOTATE', 'Enable critical path annotation capability', False), BoolVariable('USE_KVM', 'Enable hardware virtualized (KVM) CPU models', have_kvm), + BoolVariable('USE_TUNTAP', + 'Enable using a tap device to bridge to the host network', + have_tuntap), BoolVariable('BUILD_GPU', 'Build the compute-GPU model', False), EnumVariable('PROTOCOL', 'Coherence protocol for Ruby', 'None', all_protocols), @@ -1477,6 +1485,11 @@ for variant_path in variant_paths: "target ISA combination" env['USE_KVM'] = False + if env['USE_TUNTAP']: + if not have_tuntap: + print "Warning: Can't connect EtherTap with a tap device." + env['USE_TUNTAP'] = False + if env['BUILD_GPU']: env.Append(CPPDEFINES=['BUILD_GPU']) |