命令：

rvm install 2.2.5 

报错：

ruby-2.2.5 - #removing src/ruby-2.2.5 - please wait
Searching for binary rubies, this might take some time.
No binary rubies available for: osx/10.13/x86_64/ruby-2.2.5.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for osx.
Certificates bundle '/usr/local/etc/openssl/cert.pem' is already up to date.
Requirements installation successful.
Installing Ruby from source to: /Users/mind1949/.rvm/rubies/ruby-2.2.5, this may take a while depending on your cpu(s)...
ruby-2.2.5 - #downloading ruby-2.2.5, this may take a while depending on your connection...
ruby-2.2.5 - #extracting ruby-2.2.5 to /Users/mind1949/.rvm/src/ruby-2.2.5 - please wait
ruby-2.2.5 - #applying patch /Users/mind1949.rvm/patches/ruby/2.2.5/openssl3.patch - please wait
ruby-2.2.5 - #configuring - please wait
ruby-2.2.5 - #post-configuration - please wait
ruby-2.2.5 - #compiling - please wait
Error running '__rvm_make -j 1',
please read /Users/mind1949/.rvm/log/1521429775_ruby-2.2.5/make.log
There has been an error while running make. Halting the installation.

vim /Users/mind1949/.rvm/log/1521429775_ruby-2.2.5/make.log

打印出内容：

+__rvm_make:0> make -j 1
        CC = gcc
        LD = ld
        LDSHARED = gcc -dynamiclib
        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 -Wshorten-64-to-32 -Wimplicit-function-declaration -Wdivision-by-zero -Wdeprecated-declarations -Wextra-tokens   -fno-common -pipe
        XCFLAGS = -D_FORTIFY_SOURCE=2 -fstack-protector -fno-strict-overflow -fvisibility=hidden -DRUBY_EXPORT
        CPPFLAGS = -I/usr/local/opt/libyaml/include -I/usr/local/opt/readline/include -I/usr/local/opt/libksba/include -I/usr/local/opt/openssl/include -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT   -I. -I.ext/include/x86_64-darwin17 -I./include -I.
        DLDFLAGS = -Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress -L/usr/local/opt/libyaml/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/libksba/lib -L/usr/local/opt/openssl/lib  -install_name /Users/mind1949/.rvm/rubies/ruby-2.2.5/lib/libruby.2.2.0.dylib -current_version 2.2.0 -compatibility_version 2.2.0  -fstack-protector -Wl,-u,_objc_msgSend -framework CoreFoundation  -fstack-protector -Wl,-u,_objc_msgSend -framework CoreFoundation
        SOLIBS = -lpthread -ldl -lobjc
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 9.0.0 (clang-900.0.39.2)
Target: x86_64-apple-darwin17.4.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
translating probes probes.d
error: error reading '/dev/fd/4'
1 error generated.
clang: error: unable to remove file: Operation not permitted
dtrace: failed to compile script probes.d: Preprocessor failed to process input program
make: *** [probes.h] Error 1
+__rvm_make:0> return 2