Build failed: No module named SCons.Script about therubyracer

[cowboyd]

We've seen this problem on gentoo before. Basically, it appears that it's using the local scons lib, and not the one bundled with therubyracer. Can you try installing the latest beta with gem install therubyracer --pre ?

[gdelugre]

I do no have the problem with SCons anymore using the last beta.
However, the build is failing at link time.

g++ -shared -o v8.so v8_debug.o v8_message.o v8_string.o v8_object.o v8_external.o v8_callbacks.o v8_weakref.o v8_array.o v8.o v8_try_catch.o v8_v8.o v8_locker.o v8_function.o v8_value.o v8_handle.o v8_script.o v8_exception.o v8_date.o v8_context.o rr.o v8_template.o -L/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8 -Wl,-R/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8 -L. -L/usr/lib64 -Wl,-R/usr/lib64 -L. -Wl,-O1 -Wl,--as-needed -rdynamic -Wl,-export-dynamic -Wl,--no-undefined    -Wl,-R -Wl,/usr/lib64 -L/usr/lib64 -lruby18 -lpthread  -lpthread -lrt -ldl -lcrypt -lm   -lc -lv8
v8_locker.o: In function `(anonymous namespace)::IsLocked(unsigned long)':
/usr/local/lib64/ruby/gems/1.8/gems/therubyracer-0.9.0beta7/ext/v8/v8_locker.cpp:24: undefined reference to `v8::Locker::IsLocked()'
v8_locker.o: In function `(anonymous namespace)::Unlock(unsigned long)':
/usr/local/lib64/ruby/gems/1.8/gems/therubyracer-0.9.0beta7/ext/v8/v8_locker.cpp:12: undefined reference to `v8::Unlocker::Unlocker()'
v8_locker.o: In function `(anonymous namespace)::Lock(unsigned long)':
/usr/local/lib64/ruby/gems/1.8/gems/therubyracer-0.9.0beta7/ext/v8/v8_locker.cpp:8: undefined reference to `v8::Locker::Locker()'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::LinuxSemaphore::Signal()':
platform-linux.cc:(.text._ZN2v88internal14LinuxSemaphore6SignalEv[v8::internal::LinuxSemaphore::Signal()]+0x5): undefined reference to `sem_post'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::LinuxSemaphore::~LinuxSemaphore()':
platform-linux.cc:(.text._ZN2v88internal14LinuxSemaphoreD1Ev[v8::internal::LinuxSemaphore::~LinuxSemaphore()]+0x13): undefined reference to `sem_destroy'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::LinuxSemaphore::~LinuxSemaphore()':
platform-linux.cc:(.text._ZN2v88internal14LinuxSemaphoreD0Ev[v8::internal::LinuxSemaphore::~LinuxSemaphore()]+0x13): undefined reference to `sem_destroy'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::OS::CreateSemaphore(int)':
platform-linux.cc:(.text._ZN2v88internal2OS15CreateSemaphoreEi+0x30): undefined reference to `sem_init'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::LinuxSemaphore::Wait(int)':
platform-linux.cc:(.text._ZN2v88internal14LinuxSemaphore4WaitEi+0xb0): undefined reference to `sem_timedwait'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::LinuxSemaphore::Wait()':
platform-linux.cc:(.text._ZN2v88internal14LinuxSemaphore4WaitEv+0x35): undefined reference to `sem_wait'
platform-linux.cc:(.text._ZN2v88internal14LinuxSemaphore4WaitEv+0x56): undefined reference to `sem_wait'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::OS::CreateMutex()':
platform-linux.cc:(.text._ZN2v88internal2OS11CreateMutexEv+0x29): undefined reference to `pthread_mutexattr_init'
platform-linux.cc:(.text._ZN2v88internal2OS11CreateMutexEv+0x36): undefined reference to `pthread_mutexattr_settype'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::LinuxMutex::TryLock()':
platform-linux.cc:(.text._ZN2v88internal10LinuxMutex7TryLockEv[v8::internal::LinuxMutex::TryLock()]+0x9): undefined reference to `pthread_mutex_trylock'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Thread::SetThreadLocal(v8::internal::Thread::LocalStorageKey, void*)':
platform-linux.cc:(.text._ZN2v88internal6Thread14SetThreadLocalENS1_15LocalStorageKeyEPv+0x1): undefined reference to `pthread_setspecific'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Thread::GetThreadLocal(v8::internal::Thread::LocalStorageKey)':
platform-linux.cc:(.text._ZN2v88internal6Thread14GetThreadLocalENS1_15LocalStorageKeyE+0x1): undefined reference to `pthread_getspecific'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Thread::DeleteThreadLocalKey(v8::internal::Thread::LocalStorageKey)':
platform-linux.cc:(.text._ZN2v88internal6Thread20DeleteThreadLocalKeyENS1_15LocalStorageKeyE+0x1): undefined reference to `pthread_key_delete'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Thread::CreateThreadLocalKey()':
platform-linux.cc:(.text._ZN2v88internal6Thread20CreateThreadLocalKeyEv+0xc): undefined reference to `pthread_key_create'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Thread::Join()':
platform-linux.cc:(.text._ZN2v88internal6Thread4JoinEv+0xa): undefined reference to `pthread_join'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Thread::Start()':
platform-linux.cc:(.text._ZN2v88internal6Thread5StartEv+0x3a): undefined reference to `pthread_attr_setstacksize'
platform-linux.cc:(.text._ZN2v88internal6Thread5StartEv+0x50): undefined reference to `pthread_create'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::ThreadEntry(void*)':
platform-linux.cc:(.text._ZN2v88internalL11ThreadEntryEPv+0x35): undefined reference to `pthread_setspecific'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::ProfilerSignalHandler(int, siginfo*, void*)':
platform-linux.cc:(.text._ZN2v88internalL21ProfilerSignalHandlerEiP7siginfoPv+0x4f): undefined reference to `pthread_getspecific'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::OS::LogSharedLibraryAddresses()':
platform-linux.cc:(.text._ZN2v88internal2OS25LogSharedLibraryAddressesEv+0x5f): undefined reference to `pthread_getspecific'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Sampler::Stop()':
platform-linux.cc:(.text._ZN2v88internal7Sampler4StopEv+0x5e): undefined reference to `pthread_join'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::OS::Allocate(unsigned long, unsigned long*, bool)':
platform-linux.cc:(.text._ZN2v88internal2OS8AllocateEmPmb+0xbd): undefined reference to `pthread_getspecific'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `global constructors keyed to platform_linux.cc':
platform-linux.cc:(.text._GLOBAL__I_platform_linux.cc+0x29): undefined reference to `pthread_mutexattr_init'
platform-linux.cc:(.text._GLOBAL__I_platform_linux.cc+0x36): undefined reference to `pthread_mutexattr_settype'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::OS::Setup()':
platform-linux.cc:(.text._ZN2v88internal2OS5SetupEv+0x3e): undefined reference to `pthread_mutexattr_init'
platform-linux.cc:(.text._ZN2v88internal2OS5SetupEv+0x4b): undefined reference to `pthread_mutexattr_settype'
/usr/local/lib64/ruby/gems/1.8/gems/libv8-3.3.10.2-x86_64-linux/lib/libv8/build/v8/libv8.a(platform-linux.o): In function `v8::internal::Sampler::Start()':
platform-linux.cc:(.text._ZN2v88internal7Sampler5StartEv+0x171): undefined reference to `pthread_attr_setstacksize'
platform-linux.cc:(.text._ZN2v88internal7Sampler5StartEv+0x187): undefined reference to `pthread_create'
collect2: ld a retourné 1 code d'état d'exécution
make: *** [v8.so] Erreur 1

[cowboyd]

I'm opening an issue for you on libv8: https://github.com/fractaloop/libv8/issues/8