configure on trunk ruby

gistfile1.txt

checking for pthread_attr_setinheritsched... yes
checking for pthread_getattr_np... no
checking for pthread_attr_get_np... no
checking for pthread_attr_getstack... yes
checking for pthread_get_stackaddr_np... yes
checking for pthread_get_stacksize_np... yes
checking for thr_stksegment... no
checking for pthread_stackseg_np... no
checking for pthread_getthrds_np... no
checking for pthread_cond_init... yes
checking for pthread_condattr_setclock... no
checking for pthread_condattr_init... yes
checking for pthread_sigmask... yes
checking for pthread_setname_np... yes
checking for pthread_attr_init... yes
checking arguments of pthread_setname_np... (name)
checking for getcontext... (cached) no
checking for setcontext... (cached) no
checking if fork works with pthread... yes
checking whether ELF binaries are produced... no
checking whether OS depend dynamic link works... yes
checking whether -Wl,-undefined,dynamic_lookup is accepted as LDFLAGS... yes
checking whether -Wl,-multiply_defined,suppress is accepted as LDFLAGS... yes
checking execinfo.h usability... yes
checking execinfo.h presence... yes
checking for execinfo.h... yes
checking for backtrace in -lexecinfo... no
checking for backtrace... yes
checking for broken backtrace... yes
checking valgrind/memcheck.h usability... no
checking valgrind/memcheck.h presence... no
checking for valgrind/memcheck.h... no
checking for strip... strip
checking whether -fPIE is accepted as CFLAGS... yes
checking whether -pie is accepted as LDFLAGS... no
checking whether -Wl,-pie is accepted as LDFLAGS... yes
checking whether dtrace USDT is available... yes
checking whether dtrace USDT is available... (cached) yes
checking whether dtrace needs post processing... no
checking for __builtin_setjmp... (cached) no
checking for setjmp type... _setjmp
checking for prefix of external symbols... _
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking if make is GNU make... yes
checking for broken memmem... yes
checking for nroff... /usr/bin/nroff
.ext/include/x86_64-darwin13/ruby/config.h updated
ruby library version = 2.2.0
configure: creating ./config.status
config.status: creating GNUmakefile
config.status: creating Makefile
config.status: creating ruby-2.2.pc