尝试使用“gem install therubyracer -v '0.10.2'”在 Mavericks 上安装 therubyracer,但出现以下错误:
/Users/dennischen/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb
checking for main() in -lobjc... yes
creating Makefile
make
compiling rr.cpp
clang: warning: argument unused during compilation: '-rdynamic'
rr.cpp:48:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
1 warning generated.
compiling v8.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_array.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_callbacks.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_context.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_date.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_debug.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_exception.cpp
clang: warning: argument unused during compilation: '-rdynamic'
v8_exception.cpp:10:16: warning: unused variable 'stack' [-Wunused-variable]
static void* stack[20];
^
1 warning generated.
compiling v8_external.cpp
clang: warning: argument unused during compilation: '-rdynamic'
v8_external.cpp:10:9: warning: unused variable 'references' [-Wunused-variable]
VALUE references;
^
1 warning generated.
compiling v8_function.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_handle.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_locker.cpp
clang: warning: argument unused during compilation: '-rdynamic'
v8_locker.cpp:45:5: warning: control reaches end of non-void function [-Wreturn-type]
}
^
v8_locker.cpp:85:5: warning: control reaches end of non-void function [-Wreturn-type]
}
^
2 warnings generated.
compiling v8_message.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_object.cpp
clang: warning: argument unused during compilation: '-rdynamic'
v8_object.cpp:77:19: warning: unused variable 'proto' [-Wunused-variable]
Handle<Value> proto(rr_rb2v8(prototype));
^
1 warning generated.
compiling v8_script.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_string.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_template.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_try_catch.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_v8.cpp
clang: warning: argument unused during compilation: '-rdynamic'
compiling v8_value.cpp
clang: warning: argument unused during compilation: '-rdynamic'
v8_value.cpp:100:9: warning: unused function 'ToInt32' [-Wunused-function]
VALUE ToInt32(VALUE self) {
^
1 warning generated.
compiling v8_weakref.cpp
clang: warning: argument unused during compilation: '-rdynamic'
linking shared-object v8.bundle
clang: error: no such file or directory: '/Users/dennischen/.rvm/gems/ruby-1.9.3-p194@panini/gems/libv8-3.3.10.4/lib/libv8/build/v8/libv8.a'
make: *** [v8.bundle] Error 1
谁能帮我弄清楚如何让这个宝石工作?我已经安装了命令行工具。