如何解决安装 rails 5.0 期间出现 nio4r 错误
当我尝试安装 rails 5.0 时，它失败并显示以下日志： nio4r 编译时出现一些错误。 安装日志：
shubsingh@FWS-CHE-LT-5307 ~ % gem install rails --version=5.0
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/Users/shubsingh/.rvm/rubies/ruby-2.3.3/bin/ruby extconf.rb
checking for unistd.h... yes
checking for rb_thread_blocking_region()... no
checking for rb_thread_call_without_gvl()... yes
checking for sys/select.h... yes
checking for poll.h... yes
checking for sys/epoll.h... no
checking for sys/event.h... yes
checking for sys/queue.h... yes
checking for port.h... no
checking for sys/resource.h... yes
creating Makefile
make
compiling monitor.c
compiling nio4r_ext.c
In file included from nio4r_ext.c:7:
./../libev/ev.c:487:48: warning: '/*' within block comment [-Wcomment]
/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20,good till 2200 */
^
./../libev/ev.c:1067:26: warning: implicit conversion loses integer precision: 'uint64_t' (aka 'unsigned long long') to 'unsigned int' [-Wshorten-64-to-32]
return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
~~~~~~~~~~~~~~~~^~
./../libev/ev.c:929:49: note: expanded from macro 'ecb_popcount32'
#define ecb_popcount32(x) __builtin_popcount (x)
~~~~~~~~~~~~~~~~~~ ^
./../libev/ev.c:1273:13: warning: comparison of integers of different signs: 'unsigned int' and 'int' [-Wsign-compare]
if (e < (14 - 24)) /* might not be sharp,but is good enough */
~ ^ ~~~~~~~
./../libev/ev.c:1829:31: warning: 'extern' variable has an initializer [-Wextern-initializer]
EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
^
./../libev/ev.c:1916:7: warning: implicit conversion loses integer precision: 'long' to '__darwin_suseconds_t' (aka 'int') [-Wshorten-64-to-32]
EV_TV_SET (tv,delay);
^~~~~~~~~~~~~~~~~~~~~
./../libev/ev.c:492:64: note: expanded from macro 'EV_TV_SET'
#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./../libev/ev.c:1938:19: warning: comparison of integers of different signs: 'int' and 'unsigned long' [-Wsign-compare]
if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./../libev/ev.c:2280:18: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32]
k = minpos - heap;
~ ~~~~~~~^~~~~~
In file included from nio4r_ext.c:7:
In file included from ./../libev/ev.c:2688:
./../libev/ev_kqueue.c:115:34: warning: implicit conversion loses integer precision: 'uintptr_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
int fd = kqueue_events [i].ident;
~~ ~~~~~~~~~~~~~~~~~~^~~~~
./../libev/ev_kqueue.c:119:39: warning: implicit conversion loses integer precision: 'intptr_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
int err = kqueue_events [i].data;
~~~ ~~~~~~~~~~~~~~~~~~^~~~
In file included from nio4r_ext.c:7:
In file included from ./../libev/ev.c:2694:
./../libev/ev_poll.c:110:18: warning: expression result unused [-Wunused-value]
assert (("libev: poll() returned illegal result,broken BSD kernel?",p < polls + pollcnt));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),0) ? __assert_rtn(__func__,__FILE__,__LINE__,#e) : (void)0)
^
In file included from nio4r_ext.c:7:
In file included from ./../libev/ev.c:2697:
./../libev/ev_select.c:109:24: warning: implicit conversion loses integer precision: 'unsigned long' to 'fd_mask' (aka 'int') [-Wshorten-64-to-32]
fd_mask mask = 1UL << (fd % NFDBITS);
~~~~ ~~~~^~~~~~~~~~~~~~~~~
./../libev/ev_select.c:147:3: warning: implicit conversion loses integer precision: 'long' to '__darwin_suseconds_t' (aka 'int') [-Wshorten-64-to-32]
EV_TV_SET (tv,timeout);
^~~~~~~~~~~~~~~~~~~~~~~
./../libev/ev.c:492:64: note: expanded from macro 'EV_TV_SET'
#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from nio4r_ext.c:7:
In file included from ./../libev/ev.c:2697:
./../libev/ev_select.c:259:34: warning: implicit conversion loses integer precision: 'unsigned long' to 'fd_mask' (aka 'int') [-Wshorten-64-to-32]
fd_mask mask = 1UL << bit;
~~~~ ~~~~^~~~~~
In file included from nio4r_ext.c:7:
./../libev/ev.c:3100:12: warning: expression result unused [-Wunused-value]
assert (("libev: watcher has invalid priority",ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3103:14: warning: expression result unused [-Wunused-value]
assert (("libev: pending watcher not on pending queue",pendings [ABSPRI (w)][w->pending - 1].w == w));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3113:16: warning: expression result unused [-Wunused-value]
assert (("libev: active index mismatch in heap",ev_active (ANHE_w (heap [i])) == i));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3114:16: warning: expression result unused [-Wunused-value]
assert (("libev: heap condition violated",i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3115:16: warning: expression result unused [-Wunused-value]
assert (("libev: heap at cache mismatch",ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3126:16: warning: expression result unused [-Wunused-value]
assert (("libev: active index mismatch",ev_active (ws [cnt]) == cnt + 1));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3144:14: warning: expression result unused [-Wunused-value]
assert (("libev: negative fd in fdchanges",fdchanges [i] >= 0));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3157:24: warning: expression result unused [-Wunused-value]
assert (("libev: io watcher list contains a loop",w != w2));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3161:20: warning: expression result unused [-Wunused-value]
assert (("libev: inactive fd watcher on anfd list",ev_active (w) == 1));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3162:20: warning: expression result unused [-Wunused-value]
assert (("libev: fd mismatch between watcher and anfd",((ev_io *)w)->fd == i));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3344:24: warning: expression result unused [-Wunused-value]
assert (("libev: negative ev_timer repeat value found while processing timers",w->repeat > 0.));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3406:24: warning: expression result unused [-Wunused-value]
assert (("libev: ev_periodic reschedule callback returned time in the past",ev_at (w) >= ev_rt_now));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3551:1: warning: non-void function does not return a value [-Wreturn-type]
}
^
./../libev/ev.c:3568:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_loop recursion during release detected",loop_done != EVBREAK_RECURSE));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3737:9: error: implicit declaration of function 'rb_thread_call_without_gvl' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
rb_thread_call_without_gvl(ev_backend_poll,(void *)&poll_args,RUBY_UBF_IO,0);
^
./../libev/ev.c:3752:22: warning: expression result unused [-Wunused-value]
assert (("libev: pipe_w not active,but pipe not written",ev_is_active (&pipe_w)));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3926:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_io_start called with negative fd",fd >= 0));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3927:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_io_start called with illegal event mask",!(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3936:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_io_start called with corrupted watcher",((WL)w)->next != (WL)w));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3951:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)",w->fd >= 0 && w->fd < anfdmax));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3971:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_timer_start called with negative timer repeat value",w->repeat >= 0.));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:3999:14: warning: expression result unused [-Wunused-value]
assert (("libev: internal timer heap corruption",ANHE_w (timers [active]) == (WT)w));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4061:16: warning: expression result unused [-Wunused-value]
assert (("libev: ev_periodic_start called with negative interval value",w->interval >= 0.));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4093:14: warning: expression result unused [-Wunused-value]
assert (("libev: internal periodic heap corruption",ANHE_w (periodics [active]) == (WT)w));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4130:12: warning: expression result unused [-Wunused-value]
assert (("libev: ev_signal_start called with illegal signal number",w->signum > 0 && w->signum < EV_NSIG));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4133:12: warning: expression result unused [-Wunused-value]
assert (("libev: a signal must not be attached to two different loops",^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4251:12: warning: expression result unused [-Wunused-value]
assert (("libev: child watchers are only supported in the default loop",loop == ev_default_loop_ptr));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
In file included from nio4r_ext.c:7:
./../libev/ev.c:4830:14: warning: expression result unused [-Wunused-value]
assert (("libev: loop to be embedded is not embeddable",backend & ev_embeddable_backends ()));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/assert.h:93:25: note: expanded from macro 'assert'
(__builtin_expect(!(e),#e) : (void)0)
^
40 warnings and 1 error generated.
make: *** [nio4r_ext.o] Error 1
Gem files will remain installed in /Users/shubsingh/.rvm/gems/ruby-2.3.3/gems/nio4r-1.2.1 for inspection.
Results logged to /Users/shubsingh/.rvm/gems/ruby-2.3.3/gems/nio4r-1.2.1/ext/nio4r/gem_make.out
我的 Mac 上安装的任何应用程序都无法执行日志文件 gem_make.out。 我在用 ： Mac os Catalina：v10.15.7 红宝石 2.3.3 由于某些限制，我不能使用其他版本的 Ruby 或 Rails。
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