error

rbenv install 2.1.5
Downloading ruby-2.1.5.tar.bz2...
-> https://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.5.tar.bz2
Installing ruby-2.1.5...

WARNING: ruby-2.1.5 is past its end of life and is now unsupported.
It no longer receives bug fixes or critical security updates.


BUILD FAILED (Ubuntu 16.04 using ruby-build 20190130)

Inspect or clean up the working tree at /tmp/ruby-build.20190201132326.17190
Results logged to /tmp/ruby-build.20190201132326.17190.log

Last 10 log lines:
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/nkf'
compiling callback-6.c
compiling callback-7.c
compiling callback-8.c
installing default callback libraries
linking shared-object dl/callback.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dl/callback'
make[1]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
uncommon.mk:180: recipe for target 'build-ext' failed
make: *** [build-ext] Error 2




Daqui pra baixo é o log de erros:

/tmp/ruby-build.20190201132326.17190 ~
/tmp/ruby-build.20190201132326.17190/ruby-2.1.5 /tmp/ruby-build.20190201132326.17190 ~
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking whether gcc needs -traditional... no
checking for ld... ld
checking whether the linker is GNU ld... yes
checking whether gcc -E accepts -o... yes
checking for ranlib... ranlib
checking for ar... ar
checking for as... as
checking for objdump... objdump
checking for objcopy... objcopy
checking for nm... nm
checking whether ln -s works... yes
checking whether make sets $(MAKE)... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for dtrace... no
checking for dot... no
checking for doxygen... no
checking for pkg-config... pkg-config
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking for cd using physical directory... cd -P
checking whether CFLAGS is valid... yes
checking whether LDFLAGS is valid... yes
checking whether -Wno-unused-parameter is accepted as CFLAGS... yes
checking whether -Wno-parentheses is accepted as CFLAGS... yes
checking whether -Wno-long-long is accepted as CFLAGS... yes
checking whether -Wno-missing-field-initializers is accepted as CFLAGS... yes
checking whether -Wunused-variable is accepted as CFLAGS... yes
checking whether -Wpointer-arith is accepted as CFLAGS... yes
checking whether -Wwrite-strings is accepted as CFLAGS... yes
checking whether -Wdeclaration-after-statement is accepted as CFLAGS... yes
checking whether -Wshorten-64-to-32 is accepted as CFLAGS... no
checking whether -Wimplicit-function-declaration is accepted as CFLAGS... yes
checking whether -Wdivision-by-zero is accepted as CFLAGS... no
checking whether -Wextra-tokens is accepted as CFLAGS... no
checking whether -Wall -Wextra is accepted as CFLAGS... yes
checking whether -Qunused-arguments is accepted as CFLAGS... no
checking whether -D_FORTIFY_SOURCE=2 is accepted as CFLAGS... yes
checking whether -fstack-protector is accepted as CFLAGS... yes
checking whether -fstack-protector is accepted as LDFLAGS... yes
checking whether -ansi -std=iso9899:199409 is accepted as CFLAGS... yes
checking whether -fno-strict-overflow is accepted as CFLAGS... yes
checking whether -ggdb3 is accepted as CFLAGS... yes
checking whether -fvisibility=hidden is accepted as CFLAGS... yes
checking whether -fno-fast-math is accepted as CFLAGS... yes
checking for crypt in -lcrypt... yes
checking for dlopen in -ldl... yes
checking for shl_load in -ldld... no
checking for shutdown in -lsocket... no
checking for dirent.h that defines DIR... yes
checking for library containing opendir... none required
checking for stdbool.h that conforms to C99... yes
checking for _Bool... yes
checking for sys/wait.h that is POSIX.1 compatible... yes
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking sys/file.h usability... yes
checking sys/file.h presence... yes
checking for sys/file.h... yes
checking sys/ioctl.h usability... yes
checking sys/ioctl.h presence... yes
checking for sys/ioctl.h... yes
checking sys/syscall.h usability... yes
checking sys/syscall.h presence... yes
checking for sys/syscall.h... yes
checking fcntl.h usability... yes
checking fcntl.h presence... yes
checking for fcntl.h... yes
checking sys/fcntl.h usability... yes
checking sys/fcntl.h presence... yes
checking for sys/fcntl.h... yes
checking sys/select.h usability... yes
checking sys/select.h presence... yes
checking for sys/select.h... yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking sys/times.h usability... yes
checking sys/times.h presence... yes
checking for sys/times.h... yes
checking sys/param.h usability... yes
checking sys/param.h presence... yes
checking for sys/param.h... yes
checking syscall.h usability... yes
checking syscall.h presence... yes
checking for syscall.h... yes
checking pwd.h usability... yes
checking pwd.h presence... yes
checking for pwd.h... yes
checking grp.h usability... yes
checking grp.h presence... yes
checking for grp.h... yes
checking a.out.h usability... yes
checking a.out.h presence... yes
checking for a.out.h... yes
checking utime.h usability... yes
checking utime.h presence... yes
checking for utime.h... yes
checking direct.h usability... no
checking direct.h presence... no
checking for direct.h... no
checking sys/resource.h usability... yes
checking sys/resource.h presence... yes
checking for sys/resource.h... yes
checking sys/mkdev.h usability... no
checking sys/mkdev.h presence... no
checking for sys/mkdev.h... no
checking sys/utime.h usability... no
checking sys/utime.h presence... no
checking for sys/utime.h... no
checking float.h usability... yes
checking float.h presence... yes
checking for float.h... yes
checking ieeefp.h usability... no
checking ieeefp.h presence... no
checking for ieeefp.h... no
checking ucontext.h usability... yes
checking ucontext.h presence... yes
checking for ucontext.h... yes
checking intrinsics.h usability... no
checking intrinsics.h presence... no
checking for intrinsics.h... no
checking langinfo.h usability... yes
checking langinfo.h presence... yes
checking for langinfo.h... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking sys/sendfile.h usability... yes
checking sys/sendfile.h presence... yes
checking for sys/sendfile.h... yes
checking time.h usability... yes
checking time.h presence... yes
checking for time.h... yes
checking net/socket.h usability... no
checking net/socket.h presence... no
checking for net/socket.h... no
checking sys/socket.h usability... yes
checking sys/socket.h presence... yes
checking for sys/socket.h... yes
checking process.h usability... no
checking process.h presence... no
checking for process.h... no
checking sys/prctl.h usability... yes
checking sys/prctl.h presence... yes
checking for sys/prctl.h... yes
checking atomic.h usability... no
checking atomic.h presence... no
checking for atomic.h... no
checking malloc.h usability... yes
checking malloc.h presence... yes
checking for malloc.h... yes
checking malloc_np.h usability... no
checking malloc_np.h presence... no
checking for malloc_np.h... no
checking malloc/malloc.h usability... no
checking malloc/malloc.h presence... no
checking for malloc/malloc.h... no
checking setjmpex.h usability... no
checking setjmpex.h presence... no
checking for setjmpex.h... no
checking gmp.h usability... yes
checking gmp.h presence... yes
checking for gmp.h... yes
checking for __gmpz_init in -lgmp... yes
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking whether byte ordering is bigendian... no
checking for an ANSI C-conforming const... yes
checking whether char is unsigned... no
checking for inline... __inline__
checking for working volatile... yes
checking for long long... yes
checking for off_t... yes
checking char bit... 8
checking size of int... 4
checking size of short... 2
checking size of long... 8
checking size of long long... 8
checking size of __int64... 0
checking size of __int128... 16
checking size of off_t... 8
checking size of void*... 8
checking size of float... 4
checking size of double... 8
checking size of time_t... 8
checking size of clock_t... 8
checking for printf prefix for long long... ll
checking for pid_t... yes
checking for convertible type of pid_t... INT
checking for uid_t... yes
checking for convertible type of uid_t... UINT
checking for gid_t... yes
checking for convertible type of gid_t... UINT
checking for time_t... yes
checking for convertible type of time_t... LONG
checking for dev_t... yes
checking for convertible type of dev_t... ULONG
checking for mode_t... yes
checking for convertible type of mode_t... UINT
checking for rlim_t... yes
checking for convertible type of rlim_t... ULONG
checking for off_t... (cached) yes
checking for convertible type of off_t... LONG
checking for clockid_t... yes
checking for convertible type of clockid_t... INT
checking for prototypes... yes
checking token paste string... ansi
checking stringization... #expr
checking string literal concatenation... yes
checking for variable length prototypes and stdarg.h... yes
checking for variable length macro... yes
checking for noreturn function attribute... __attribute__ ((noreturn)) x
checking for deprecated function attribute... __attribute__ ((deprecated)) x
checking for noinline function attribute... __attribute__ ((noinline)) x
checking for stdcall function attribute... x
checking for cdecl function attribute... x
checking for fastcall function attribute... x
checking for function alias... alias
checking for __atomic builtins... yes
checking for __sync builtins... yes
checking for __builtin_unreachable... yes
checking for exported function attribute... __attribute__ ((visibility("default")))
checking for function name string predefined identifier... __func__
checking whether sys_nerr is declared... yes
checking whether getenv is declared... yes
checking for size_t... yes
checking size of size_t... 8
checking size of ptrdiff_t... 8
checking for printf prefix for size_t... z
checking for printf prefix for ptrdiff_t... t
checking for struct stat.st_blksize... yes
checking for struct stat.st_blocks... yes
checking for struct stat.st_rdev... yes
checking size of struct stat.st_size... SIZEOF_LONG
checking size of struct stat.st_blocks... SIZEOF_LONG
checking for struct stat.st_atim... yes
checking for struct stat.st_atimespec... no
checking for struct stat.st_atimensec... no
checking for struct stat.st_mtim... yes
checking for struct stat.st_mtimespec... no
checking for struct stat.st_mtimensec... no
checking for struct stat.st_ctim... yes
checking for struct stat.st_ctimespec... no
checking for struct stat.st_ctimensec... no
checking for struct timeval... yes
checking size of struct timeval.tv_sec... SIZEOF_TIME_T
checking for struct timespec... yes
checking for struct timezone... yes
checking for clockid_t... (cached) yes
checking for fd_mask... yes
checking for int8_t... yes
checking size of int8_t... 1
checking for uint8_t... yes
checking size of uint8_t... 1
checking for int16_t... yes
checking size of int16_t... 2
checking for uint16_t... yes
checking size of uint16_t... 2
checking for int32_t... yes
checking size of int32_t... 4
checking for uint32_t... yes
checking size of uint32_t... 4
checking for int64_t... yes
checking size of int64_t... 8
checking for uint64_t... yes
checking size of uint64_t... 8
checking for int128_t... __int128
checking for uint128_t... unsigned __int128
checking for intptr_t... yes
checking size of intptr_t... 8
checking for uintptr_t... yes
checking size of uintptr_t... 8
checking for ssize_t... yes
checking size of ssize_t... 8
checking for stack end address... __libc_stack_end
checking for uid_t in sys/types.h... (cached) yes
checking type of array argument to getgroups... gid_t
checking return type of signal handlers... void
checking for working alloca.h... yes
checking for alloca... yes
checking for dynamic size alloca... ok
checking for working memcmp... yes
checking for broken erfc of glibc-2.3.6 on IA64... no
checking for dup2... yes
checking for memmove... yes
checking for strerror... yes
checking for strchr... yes
checking for strstr... yes
checking for crypt... yes
checking for flock... yes
checking for isnan... yes
checking for finite... yes
checking for isinf... yes
checking for hypot... yes
checking for acosh... yes
checking for erf... yes
checking for tgamma... yes
checking for lgamma_r... yes
checking for cbrt... yes
checking for strlcpy... no
checking for strlcat... no
checking for ffs... yes
checking for setproctitle... no
checking sys/pstat.h usability... no
checking sys/pstat.h presence... no
checking for sys/pstat.h... no
checking for signbit... yes
checking for __syscall... no
checking for _longjmp... yes
checking for _setjmp... yes
checking for _setjmpex... no
checking for chroot... yes
checking for chsize... no
checking for clock_gettime... yes
checking for cosh... yes
checking for daemon... (cached) no
checking for dl_iterate_phdr... yes
checking for dlopen... yes
checking for dup... yes
checking for dup3... yes
checking for eaccess... yes
checking for endgrent... yes
checking for fchmod... yes
checking for fchown... yes
checking for fcntl... yes
checking for fdatasync... yes
checking for fmod... yes
checking for fork... yes
checking for fsync... yes
checking for ftruncate... yes
checking for ftruncate64... yes
checking for getcwd... yes
checking for getgrnam_r... yes
checking for getgroups... yes
checking for getpgid... yes
checking for getpgrp... yes
checking for getpriority... yes
checking for getpwnam_r... yes
checking for getrlimit... yes
checking for getsid... yes
checking for gettimeofday... yes
checking for gmtime_r... yes
checking for initgroups... yes
checking for ioctl... yes
checking for isfinite... no
checking for issetugid... no
checking for killpg... yes
checking for lchmod... no
checking for lchown... yes
checking for link... yes
checking for llabs... yes
checking for lockf... yes
checking for log2... yes
checking for lstat... yes
checking for malloc_usable_size... yes
checking for malloc_size... no
checking for mblen... yes
checking for memalign... yes
checking for memrchr... yes
checking for mktime... yes
checking for pipe2... yes
checking for poll... yes
checking for posix_fadvise... yes
checking for posix_memalign... yes
checking for ppoll... yes
checking for pread... yes
checking for readlink... yes
checking for round... yes
checking for seekdir... yes
checking for select_large_fdset... no
checking for sendfile... yes
checking for setegid... yes
checking for setenv... yes
checking for seteuid... yes
checking for setgid... yes
checking for setgroups... yes
checking for setpgid... yes
checking for setpgrp... yes
checking for setregid... yes
checking for setresgid... yes
checking for setresuid... yes
checking for setreuid... yes
checking for setrgid... no
checking for setrlimit... yes
checking for setruid... no
checking for setsid... yes
checking for setuid... yes
checking for shutdown... yes
checking for sigaction... yes
checking for sigaltstack... yes
checking for sigprocmask... yes
checking for sinh... yes
checking for spawnv... no
checking for symlink... yes
checking for syscall... yes
checking for sysconf... yes
checking for tanh... yes
checking for telldir... yes
checking for timegm... yes
checking for times... yes
checking for truncate... yes
checking for truncate64... yes
checking for unsetenv... yes
checking for utimensat... yes
checking for utimes... yes
checking for wait4... yes
checking for waitpid... yes
checking for __builtin_bswap16... yes
checking for __builtin_bswap32... yes
checking for __builtin_bswap64... yes
checking for __builtin_clz... yes
checking for __builtin_clzl... yes
checking for __builtin_clzll... yes
checking for __builtin_choose_expr... yes
checking for __builtin_types_compatible_p... yes
checking for clock_getres... yes
checking for unsetenv returns a value... yes
checking for sigsetjmp as a macro or function... yes
checking whether struct tm is in sys/time.h or time.h... time.h
checking for struct tm.tm_zone... yes
checking for struct tm.tm_gmtoff... yes
checking for external int daylight... yes
checking for external timezone... long
checking for external altzone... no
checking for timezone... yes
checking whether timezone requires zero arguments... yes
checking for negative time_t for gmtime(3)... yes
checking for localtime(3) overflow correctly... yes
checking whether right shift preserve sign bit... yes
checking read count field in FILE structures... not found (OK if using GNU libc)
checking read buffer ptr field in FILE structures... _IO_read_ptr
checking read buffer end field in FILE structures... _IO_read_end
checking size of struct stat.st_ino... SIZEOF_LONG
checking whether _SC_CLK_TCK is supported... yes
checking stack growing direction on x86_64... -1
checking for pthread_kill in -lthr... no
checking for pthread_kill in -lpthread... yes
checking for pthread_np.h... no
checking for sched_yield... yes
checking for pthread_attr_setinheritsched... yes
checking for pthread_getattr_np... yes
checking for pthread_attr_get_np... no
checking for pthread_attr_getstack... yes
checking for pthread_get_stackaddr_np... no
checking for pthread_get_stacksize_np... no
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... yes
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... (pthread_self(), name)
checking for getcontext... yes
checking for setcontext... yes
checking if fork works with pthread... yes
checking whether ELF binaries are produced... yes
checking elf.h usability... yes
checking elf.h presence... yes
checking for elf.h... yes
checking elf_abi.h usability... no
checking elf_abi.h presence... no
checking for elf_abi.h... no
checking whether OS depend dynamic link works... yes
checking for backtrace... yes
checking for broken backtrace... no
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... yes
checking for __builtin_setjmp... yes with cast ()
checking for setjmp type... __builtin_setjmp
checking for prefix of external symbols... NONE
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking if make is GNU make... yes
checking for memmem... yes
checking for broken memmem... no
checking for nroff... /usr/bin/nroff
.ext/include/x86_64-linux/ruby/config.h updated
ruby library version = 2.1.0
configure: creating ./config.status
config.status: creating GNUmakefile
config.status: creating Makefile
config.status: creating ruby-2.1.pc
	CC = gcc
	LD = ld
	LDSHARED = gcc -shared
	CFLAGS = -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -ansi -std=iso9899:199409 
	XCFLAGS = -D_FORTIFY_SOURCE=2 -fstack-protector -fno-strict-overflow -fvisibility=hidden -DRUBY_EXPORT -fPIE
	CPPFLAGS = -I/home/erandir/.rbenv/versions/2.1.5/include    -I. -I.ext/include/x86_64-linux -I./include -I.
	DLDFLAGS = -fstack-protector -pie  
	SOLIBS = -lgmp 
compiling main.c
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 5.4.0-6ubuntu1~16.04.11' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-5 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 
compiling dmydln.c
compiling miniinit.c
compiling miniprelude.c
copying dummy probes.h
compiling bignum.c
compiling class.c
compiling compar.c
compiling complex.c
compiling dir.c
compiling dln_find.c
compiling encoding.c
compiling enum.c
compiling enumerator.c
compiling error.c
compiling eval.c
compiling load.c
In file included from eval.c:14:0:
eval_jump.c: In function ‘rb_exec_end_proc’:
eval_intern.h:135:41: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define TH_PUSH_TAG2() (_th->tag = &_tag, 0)
                                         ^
eval_intern.h:139:25: note: in expansion of macro ‘TH_PUSH_TAG2’
 #define TH_REPUSH_TAG() TH_PUSH_TAG2()
                         ^
eval_jump.c:129:2: note: in expansion of macro ‘TH_REPUSH_TAG’
  TH_REPUSH_TAG();
  ^
compiling proc.c
compiling file.c
compiling gc.c
compiling hash.c
compiling inits.c
compiling io.c
compiling marshal.c
compiling math.c
compiling node.c
compiling numeric.c
compiling object.c
compiling pack.c
compiling parse.c
compiling process.c
compiling random.c
compiling range.c
compiling rational.c
compiling re.c
compiling regcomp.c
compiling regenc.c
compiling regerror.c
compiling regexec.c
compiling regparse.c
compiling regsyntax.c
compiling ruby.c
compiling safe.c
compiling signal.c
compiling sprintf.c
compiling st.c
compiling strftime.c
compiling string.c
compiling struct.c
compiling time.c
compiling transcode.c
compiling util.c
compiling variable.c
compiling version.c
compiling compile.c
string.c: In function ‘rb_str_enumerate_chars’:
string.c:6730:3: warning: ‘ary’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   rb_ary_push(ary, substr);
   ^
compiling debug.c
compiling iseq.c
In file included from vm_core.h:25:0,
                 from eval_intern.h:5,
                 from iseq.c:14:
iseq.c: In function ‘iseq_load’:
iseq.c:540:54: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
  cached_map = ATOMIC_PTR_CAS(type_map_cache, (struct st_table *)0, type_map);
                                                      ^
ruby_atomic.h:13:36: note: in definition of macro ‘ATOMIC_CAS’
 ({ __typeof__(oldval) oldvaldup = (oldval); /* oldval should not be modified */ \
                                    ^
ruby_atomic.h:166:53: note: in expansion of macro ‘ATOMIC_SIZE_CAS’
 #   define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
                                                     ^
iseq.c:540:15: note: in expansion of macro ‘ATOMIC_PTR_CAS’
  cached_map = ATOMIC_PTR_CAS(type_map_cache, (struct st_table *)0, type_map);
               ^
compiling vm.c
compiling vm_dump.c
compiling vm_backtrace.c
compiling vm_trace.c
compiling thread.c
compiling cont.c
compiling ./enc/ascii.c
compiling ./enc/us_ascii.c
compiling ./enc/unicode.c
compiling ./enc/utf_8.c
compiling newline.c
compiling ./missing/strlcpy.c
compiling ./missing/strlcat.c
compiling ./missing/setproctitle.c
In file included from ./include/ruby/ruby.h:29:0,
                 from eval_intern.h:4,
                 from thread.c:60:
thread.c: In function ‘rb_thread_fd_select’:
./include/ruby/defines.h:113:15: warning: ‘orig_except.fdset’ may be used uninitialized in this function [-Wmaybe-uninitialized]
 #define xfree ruby_xfree
               ^
In file included from eval_intern.h:5:0,
                 from thread.c:60:
thread.c:3429:34: note: ‘orig_except.fdset’ was declared here
     rb_fdset_t UNINITIALIZED_VAR(orig_except);
                                  ^
vm_core.h:117:30: note: in definition of macro ‘UNINITIALIZED_VAR’
 #define UNINITIALIZED_VAR(x) x __attribute__((unused))
                              ^
In file included from ./include/ruby/ruby.h:29:0,
                 from eval_intern.h:4,
                 from thread.c:60:
./include/ruby/defines.h:113:15: warning: ‘orig_write.fdset’ may be used uninitialized in this function [-Wmaybe-uninitialized]
 #define xfree ruby_xfree
               ^
In file included from eval_intern.h:5:0,
                 from thread.c:60:
thread.c:3428:34: note: ‘orig_write.fdset’ was declared here
     rb_fdset_t UNINITIALIZED_VAR(orig_write);
                                  ^
vm_core.h:117:30: note: in definition of macro ‘UNINITIALIZED_VAR’
 #define UNINITIALIZED_VAR(x) x __attribute__((unused))
                              ^
In file included from ./include/ruby/ruby.h:29:0,
                 from eval_intern.h:4,
                 from thread.c:60:
./include/ruby/defines.h:113:15: warning: ‘orig_read.fdset’ may be used uninitialized in this function [-Wmaybe-uninitialized]
 #define xfree ruby_xfree
               ^
In file included from eval_intern.h:5:0,
                 from thread.c:60:
thread.c:3427:34: note: ‘orig_read.fdset’ was declared here
     rb_fdset_t UNINITIALIZED_VAR(orig_read);
                                  ^
vm_core.h:117:30: note: in definition of macro ‘UNINITIALIZED_VAR’
 #define UNINITIALIZED_VAR(x) x __attribute__((unused))
                              ^
compiling addr2line.c
compiling dmyext.c
compiling dln.c
compiling localeinit.c
compiling array.c
linking miniruby
generating encdb.h
rbconfig.rb updated
creating verconf.h
generating enc.mk
generating prelude.c
compiling prelude.c
encdb.h unchanged
compiling loadpath.c
making srcs under enc
make[1]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
make[1]: Nothing to be done for 'srcs'.
make[1]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
generating transdb.h
linking static-library libruby-static.a
ar: `u' modifier ignored since `D' is the default (see `U')
transdb.h unchanged
verifying static-library libruby-static.a
making enc
making trans
generating makefile exts.mk
make[1]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
make[1]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
compiling ./enc/trans/transdb.c
compiling ./enc/encdb.c
compiling ./enc/big5.c
configuring -test-/array/resize
configuring -test-/bignum
configuring -test-/bug-3571
configuring -test-/bug-3662
configuring -test-/bug-5832
configuring -test-/bug_reporter
configuring -test-/class
configuring -test-/debug
configuring -test-/exception
configuring -test-/fatal
configuring -test-/file
configuring -test-/funcall
configuring -test-/iter
configuring -test-/load/dot.dot
configuring -test-/marshal/compat
configuring -test-/marshal/usr
configuring -test-/method
configuring -test-/num2int
configuring -test-/old_thread_select
compiling ./enc/cp949.c
compiling ./enc/trans/big5.c
compiling ./enc/emacs_mule.c
compiling ./enc/euc_jp.c
configuring -test-/path_to_class
configuring -test-/postponed_job
configuring -test-/printf
compiling ./enc/euc_kr.c
configuring -test-/rational
configuring -test-/recursion
configuring -test-/st/numhash
configuring -test-/st/update
configuring -test-/string
configuring -test-/struct
configuring -test-/symbol
configuring -test-/tracepoint
configuring -test-/typeddata
configuring -test-/wait_for_single_fd
configuring -test-/win32/dln
Failed to configure -test-/win32/dln. It will not be installed.
configuring -test-/win32/dln/empty
Failed to configure -test-/win32/dln/empty. It will not be installed.
configuring -test-/win32/fd_setsize
Failed to configure -test-/win32/fd_setsize. It will not be installed.
configuring bigdecimal
compiling ./enc/euc_tw.c
compiling ./enc/gb2312.c
compiling ./enc/gb18030.c
compiling ./enc/gbk.c
configuring continuation
configuring coverage
configuring date
configuring dbm
compiling ./enc/iso_8859_1.c
compiling ./enc/iso_8859_2.c
compiling ./enc/iso_8859_3.c
compiling ./enc/iso_8859_4.c
compiling ./enc/iso_8859_5.c
compiling ./enc/iso_8859_6.c
compiling ./enc/iso_8859_7.c
compiling ./enc/iso_8859_8.c
compiling ./enc/trans/chinese.c
compiling ./enc/iso_8859_9.c
compiling ./enc/iso_8859_10.c
compiling ./enc/iso_8859_11.c
compiling ./enc/iso_8859_13.c
compiling ./enc/iso_8859_14.c
compiling ./enc/iso_8859_15.c
compiling ./enc/iso_8859_16.c
compiling ./enc/koi8_r.c
compiling ./enc/trans/emoji.c
compiling ./enc/koi8_u.c
compiling ./enc/shift_jis.c
compiling ./enc/trans/emoji_iso2022_kddi.c
compiling ./enc/utf_16be.c
compiling ./enc/utf_16le.c
compiling ./enc/trans/emoji_sjis_docomo.c
compiling ./enc/utf_32be.c
compiling ./enc/utf_32le.c
compiling ./enc/windows_31j.c
compiling ./enc/trans/emoji_sjis_kddi.c
header: gdbm-ndbm.h
library: gdbm_compat
compiling ./enc/windows_1251.c
compiling ./enc/trans/emoji_sjis_softbank.c
linking encoding encdb.so
linking encoding big5.so
linking encoding cp949.so
linking encoding emacs_mule.so
linking encoding euc_jp.so
linking encoding euc_kr.so
linking encoding euc_tw.so
linking encoding gb2312.so
linking encoding gb18030.so
compiling ./enc/trans/escape.c
linking encoding gbk.so
configuring digest
configuring digest/bubblebabble
configuring digest/md5
linking encoding iso_8859_1.so
linking encoding iso_8859_2.so
compiling ./enc/trans/gb18030.c
linking encoding iso_8859_3.so
linking encoding iso_8859_4.so
linking encoding iso_8859_5.so
compiling ./enc/trans/gbk.c
linking encoding iso_8859_6.so
linking encoding iso_8859_7.so
linking encoding iso_8859_8.so
linking encoding iso_8859_9.so
linking encoding iso_8859_10.so
linking encoding iso_8859_11.so
linking encoding iso_8859_13.so
linking encoding iso_8859_14.so
linking encoding iso_8859_15.so
linking encoding iso_8859_16.so
linking encoding koi8_r.so
linking encoding koi8_u.so
linking encoding shift_jis.so
linking encoding utf_16be.so
linking encoding utf_16le.so
linking encoding utf_32be.so
compiling ./enc/trans/iso2022.c
linking encoding utf_32le.so
linking encoding windows_31j.so
linking encoding windows_1251.so
configuring digest/rmd160
make[1]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
compiling ./enc/trans/japanese.c
compiling ./enc/trans/japanese_euc.c
compiling ./enc/trans/japanese_sjis.c
compiling ./enc/trans/korean.c
configuring digest/sha1
compiling ./enc/trans/single_byte.c
compiling ./enc/trans/utf8_mac.c
configuring digest/sha2
compiling ./enc/trans/utf_16_32.c
linking transcoder transdb.so
linking transcoder big5.so
linking transcoder chinese.so
linking transcoder emoji.so
linking transcoder emoji_iso2022_kddi.so
linking transcoder emoji_sjis_docomo.so
linking transcoder emoji_sjis_kddi.so
linking transcoder emoji_sjis_softbank.so
linking transcoder escape.so
linking transcoder gb18030.so
linking transcoder gbk.so
linking transcoder iso2022.so
linking transcoder japanese.so
linking transcoder japanese_euc.so
linking transcoder japanese_sjis.so
linking transcoder korean.so
linking transcoder single_byte.so
linking transcoder utf_16_32.so
linking transcoder utf8_mac.so
configuring dl
make[1]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
making encs
make[1]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
make[1]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
configuring dl/callback
configuring etc
configuring fcntl
configuring fiber
configuring fiddle
configuring gdbm
configuring io/console
configuring io/nonblock
configuring io/wait
configuring json
configuring json/generator
configuring json/parser
configuring mathn/complex
configuring mathn/rational
configuring nkf
configuring objspace
configuring openssl
configuring pathname
configuring psych
configuring pty
configuring racc/cparse
configuring rbconfig/sizeof
configuring readline
configuring ripper
configuring sdbm
configuring socket
configuring stringio
configuring strscan
configuring syslog
configuring thread
configuring tk
...........
check struct members..
check libraries....
Use ActiveTcl libraries (if available).
Search tclConfig.sh and tkConfig.sh...............................
Fail to find [tclConfig.sh, tkConfig.sh]
Use X11 libraries (or use TK_XINCLUDES/TK_XLIBSW information on tkConfig.sh).
Warning:: cannot find X11 library. tcltklib will not be compiled (tcltklib is disabled on your Ruby. That is, Ruby/Tk will not work). Please check configure options. If your Tcl/Tk don't require X11, please try --without-X11.
Can't find X11 libraries. 
So, can't make tcltklib.so which is required by Ruby/Tk.
Failed to configure tk. It will not be installed.
configuring tk/tkutil
Failed to configure tk/tkutil. It will not be installed.
configuring win32
Failed to configure win32. It will not be installed.
configuring win32ole
Failed to configure win32ole. It will not be installed.
configuring zlib
make[1]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/array/resize'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bignum'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug-3571'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug-3662'
compiling resize.c
compiling bug.c
compiling bigzero.c
compiling bug.c
installing default resize libraries
linking shared-object -test-/array/resize.so
installing default bug libraries
installing default bug libraries
linking shared-object -test-/bug-3662/bug.so
linking shared-object -test-/bug-3571/bug.so
compiling mul.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug-3571'
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/array/resize'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug-5832'
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug-3662'
compiling bug.c
compiling init.c
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug_reporter'
compiling bug_reporter.c
installing default bug libraries
linking shared-object -test-/bug-5832/bug.so
installing default bug_reporter libraries
linking shared-object -test-/bug_reporter/bug_reporter.so
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/class'
compiling class2name.c
compiling str2big.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug-5832'
compiling init.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bug_reporter'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/debug'
compiling inspector.c
compiling profile_frames.c
compiling intpack.c
installing default class libraries
linking shared-object -test-/class.so
compiling init.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/class'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/exception'
compiling init.c
installing default debug libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/fatal'
compiling rb_fatal.c
linking shared-object -test-/debug.so
compiling big2str.c
compiling enc_raise.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/debug'
installing default rb_fatal libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/file'
compiling init.c
linking shared-object -test-/fatal/rb_fatal.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/fatal'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/funcall'
compiling passing_block.c
compiling dataerror.c
compiling stat.c
compiling div.c
installing default funcall libraries
linking shared-object -test-/funcall/funcall.so
compiling ensured.c
installing default file libraries
linking shared-object -test-/file.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/funcall'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/iter'
compiling yield.c
installing default bignum libraries
linking shared-object -test-/bignum.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/file'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/load/dot.dot'
compiling dot.dot.c
installing default dot.dot libraries
linking shared-object -test-/load/dot.dot/dot.dot.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/bignum'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/marshal/compat'
compiling usrcompat.c
installing default exception libraries
linking shared-object -test-/exception.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/load/dot.dot'
compiling init.c
compiling break.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/exception'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/marshal/usr'
compiling usrmarshal.c
installing default compat libraries
linking shared-object -test-/marshal/compat.so
installing default iter libraries
linking shared-object -test-/iter.so
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/method'
compiling arity.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/marshal/compat'
installing default usr libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/num2int'
compiling num2int.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/iter'
compiling init.c
linking shared-object -test-/marshal/usr.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/marshal/usr'
installing default num2int libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/old_thread_select'
compiling old_thread_select.c
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/path_to_class'
compiling path_to_class.c
installing default method libraries
linking shared-object -test-/method.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/method'
linking shared-object -test-/num2int/num2int.so
installing default old_thread_select libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/postponed_job'
compiling postponed_job.c
installing default path_to_class libraries
linking shared-object -test-/path_to_class/path_to_class.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/num2int'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/printf'
compiling printf.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/path_to_class'
installing default postponed_job libraries
installing default printf libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/rational'
linking shared-object -test-/old_thread_select/old_thread_select.so
compiling rat.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/old_thread_select'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/recursion'
compiling recursion.c
linking shared-object -test-/postponed_job.so
printf.c: In function ‘printf_test_call’:
printf.c:93:9: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  result = rb_enc_sprintf(rb_usascii_encoding(), format, s);
         ^
printf.c:96:9: warning: ‘n’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  result = rb_enc_sprintf(rb_usascii_encoding(), format, n);
         ^
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/postponed_job'
installing default rational libraries
installing default recursion libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/st/numhash'
compiling numhash.c
linking shared-object -test-/rational.so
linking shared-object -test-/printf.so
linking shared-object -test-/recursion.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/rational'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/st/update'
compiling update.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/printf'
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/recursion'
installing default update libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/string'
compiling coderange.c
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/struct'
compiling init.c
installing default numhash libraries
linking shared-object -test-/st/numhash.so
linking shared-object -test-/st/update.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/st/numhash'
compiling enc_str_buf_cat.c
compiling member.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/st/update'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/symbol'
compiling type.c
installing default struct libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/tracepoint'
compiling gc_hook.c
compiling enc_associate.c
linking shared-object -test-/struct.so
compiling init.c
compiling tracepoint.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/struct'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/typeddata'
compiling typeddata.c
compiling cstr.c
compiling intern.c
installing default typeddata libraries
linking shared-object -test-/typeddata/typeddata.so
installing default tracepoint libraries
linking shared-object -test-/tracepoint.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/typeddata'
compiling init.c
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/wait_for_single_fd'
compiling wait_for_single_fd.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/tracepoint'
compiling modify.c
installing default symbol libraries
linking shared-object -test-/symbol.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/symbol'
installing default wait_for_single_fd libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/win32/dln'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/win32/dln'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/win32/dln/empty'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/win32/dln/empty'
compiling qsort.c
compiling ellipsize.c
compiling set_len.c
linking shared-object -test-/wait_for_single_fd/wait_for_single_fd.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/wait_for_single_fd'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/win32/fd_setsize'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/win32/fd_setsize'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/bigdecimal'
compiling bigdecimal.c
compiling normalize.c
installing default string libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/continuation'
compiling continuation.c
In file included from bigdecimal.c:20:0:
bigdecimal.c: In function ‘BigMath_s_exp’:
installing default continuation libraries
bigdecimal.h:307:49: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetInf(a,s)   ( ((s)>0)?VpSetPosInf(a):VpSetNegInf(a) )
                                                 ^
bigdecimal.c:2753:6: note: in expansion of macro ‘VpSetInf’
      VpSetInf(vy, VP_SIGN_POSITIVE_INFINITE);
      ^
bigdecimal.c: In function ‘BigMath_s_log’:
bigdecimal.h:307:49: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetInf(a,s)   ( ((s)>0)?VpSetPosInf(a):VpSetNegInf(a) )
                                                 ^
bigdecimal.c:2905:2: note: in expansion of macro ‘VpSetInf’
  VpSetInf(vy, VP_SIGN_POSITIVE_INFINITE);
  ^
linking shared-object continuation.so
installing default bigdecimal libraries
bigdecimal.c: In function ‘VpAlloc’:
bigdecimal.h:294:50: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetZero(a,s)  ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) )
                                                  ^
bigdecimal.c:3877:2: note: in expansion of macro ‘VpSetZero’
  VpSetZero(vp, 1);    /* initialize vp to zero. */
  ^
bigdecimal.c: In function ‘VpAddSub’:
bigdecimal.h:294:50: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetZero(a,s)  ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) )
                                                  ^
bigdecimal.c:4072:3: note: in expansion of macro ‘VpSetZero’
   VpSetZero(c, -1);
   ^
bigdecimal.h:294:50: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetZero(a,s)  ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) )
                                                  ^
bigdecimal.c:4075:3: note: in expansion of macro ‘VpSetZero’
   VpSetZero(c, 1);
   ^
bigdecimal.h:294:50: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetZero(a,s)  ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) )
                                                  ^
bigdecimal.c:4129:6: note: in expansion of macro ‘VpSetZero’
      VpSetZero(c, 1);        /* abs(a)=abs(b) and operation = '-'  */
      ^
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/coverage'
compiling coverage.c
bigdecimal.c: In function ‘VpDtoV’:
bigdecimal.h:294:50: warning: right-hand operand of comma expression has no effect [-Wunused-value]
 #define VpSetZero(a,s)  ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) )
                                                  ^
bigdecimal.c:5568:2: note: in expansion of macro ‘VpSetZero’
  VpSetZero(m, 1);
  ^
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/continuation'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/date'
compiling date_core.c
linking shared-object -test-/string/string.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/-test-/string'
installing default coverage libraries
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dbm'
compiling dbm.c
linking shared-object coverage.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/coverage'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest'
compiling digest.c
linking shared-object digest.so
installing digest libraries
installing default digest libraries
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/bubblebabble'
compiling bubblebabble.c
installing default dbm libraries
linking shared-object dbm.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dbm'
installing default bubblebabble libraries
linking shared-object digest/bubblebabble.so
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/md5'
compiling md5init.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/bubblebabble'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/rmd160'
compiling rmd160init.c
compiling md5ossl.c
installing default md5 libraries
linking shared-object digest/md5.so
compiling rmd160.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/md5'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/sha1'
compiling sha1init.c
compiling sha1ossl.c
installing default sha1 libraries
linking shared-object digest/sha1.so
installing default rmd160 libraries
linking shared-object digest/rmd160.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/rmd160'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/sha2'
compiling sha2init.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/sha1'
compiling date_strptime.c
compiling sha2ossl.c
installing default sha2 libraries
linking shared-object digest/sha2.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/digest/sha2'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dl'
compiling cfunc.c
compiling date_parse.c
compiling cptr.c
linking shared-object bigdecimal.so
compiling dl.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/bigdecimal'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dl/callback'
compiling callback.c
compiling callback-0.c
compiling handle.c
installing dl libraries
linking shared-object dl.so
installing default dl libraries
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dl'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/etc'
compiling etc.c
installing default etc libraries
linking shared-object etc.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/etc'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/fcntl'
compiling fcntl.c
installing default fcntl libraries
linking shared-object fcntl.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/fcntl'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/fiber'
compiling fiber.c
compiling date_strftime.c
installing default fiber libraries
linking shared-object fiber.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/fiber'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/fiddle'
compiling conversions.c
compiling closure.c
installing default date_core libraries
compiling function.c
compiling fiddle.c
compiling pointer.c
compiling handle.c
linking shared-object date_core.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/date'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/gdbm'
compiling gdbm.c
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/io/console'
compiling console.c
linking shared-object fiddle.so
installing default fiddle libraries
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/fiddle'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/io/nonblock'
compiling nonblock.c
linking shared-object io/console.so
installing default nonblock libraries
linking shared-object io/nonblock.so
compiling callback-1.c
installing default console libraries
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/io/console'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/io/wait'
compiling wait.c
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/io/nonblock'
installing default gdbm libraries
compiling callback-2.c
installing default wait libraries
linking shared-object io/wait.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/io/wait'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/json'
installing default libraries
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/json'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/json/generator'
compiling generator.c
linking shared-object gdbm.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/gdbm'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/json/parser'
compiling parser.c
installing default parser libraries
linking shared-object json/ext/parser.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/json/parser'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/mathn/complex'
compiling complex.c
installing default complex libraries
linking shared-object mathn/complex.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/mathn/complex'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/mathn/rational'
compiling rational.c
installing default rational libraries
linking shared-object mathn/rational.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/mathn/rational'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/nkf'
compiling nkf.c
installing default generator libraries
linking shared-object json/ext/generator.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/json/generator'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/objspace'
compiling objspace.c
compiling object_tracing.c
compiling callback-3.c
compiling objspace_dump.c
compiling callback-4.c
installing default objspace libraries
linking shared-object objspace.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/objspace'
make[2]: Entering directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/openssl'
compiling ossl_ssl_session.c
In file included from ossl.h:58:0,
                 from ossl_ssl_session.c:5:
/usr/include/openssl/asn1_mac.h:10:2: error: #error "This file is obsolete; please update your software."
 #error "This file is obsolete; please update your software."
  ^
In file included from ossl.h:219:0,
                 from ossl_ssl_session.c:5:
openssl_missing.h:79:35: error: macro "EVP_MD_CTX_create" passed 1 arguments, but takes just 0
 EVP_MD_CTX *EVP_MD_CTX_create(void);
                                   ^
In file included from /usr/include/openssl/x509.h:18:0,
                 from /usr/include/openssl/x509v3.h:14,
                 from ossl.h:59,
                 from ossl_ssl_session.c:5:
openssl_missing.h:83:6: error: expected declaration specifiers or ‘...’ before ‘(’ token
 void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
      ^
openssl_missing.h:91:6: error: expected declaration specifiers or ‘...’ before ‘(’ token
 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
      ^
ossl_ssl_session.c: In function ‘SSL_SESSION_cmp’:
ossl_ssl_session.c:78:10: error: dereferencing pointer to incomplete type ‘SSL_SESSION {aka const struct ssl_session_st}’
     if (a->ssl_version != b->ssl_version ||
          ^
ossl_ssl_session.c:82:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
Makefile:280: recipe for target 'ossl_ssl_session.o' failed
make[2]: *** [ossl_ssl_session.o] Error 1
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/openssl'
exts.mk:191: recipe for target 'ext/openssl/all' failed
make[1]: *** [ext/openssl/all] Error 2
make[1]: ** Esperando que outros processos terminem.
installing default nkf libraries
compiling callback-5.c
linking shared-object nkf.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/nkf'
compiling callback-6.c
compiling callback-7.c
compiling callback-8.c
installing default callback libraries
linking shared-object dl/callback.so
make[2]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5/ext/dl/callback'
make[1]: Leaving directory '/tmp/ruby-build.20190201132326.17190/ruby-2.1.5'
uncommon.mk:180: recipe for target 'build-ext' failed
make: *** [build-ext] Error 2