我正在使用rvm 1.23.16 (stable)构build我的Ruby环境，并且可以看到Ruby将ruby 2.0.0-p247给了ruby-2.0.0-p353 ，现在如果试图安装Rails 4.0 rails gem install rails -v 4.0.0或者gem install rails -v 4.0.0 --no-rdoc --no-ri. （为了省略安装过程的文档，就像我最近所学）我有以下错误：
Building native extensions. This could take a while... ERROR: Error installing rails: ERROR: Failed to build gem native extension. /home/llarruda/.rvm/rubies/ruby-2.0.0-p353/bin/ruby extconf.rb creating Makefile make "DESTDIR=" compiling atomic_reference.c linking shared-object atomic_reference.so make "DESTDIR=" install /usr/bin/install -c -m 0755 atomic_reference.so ./.gem.20131122-9599-8hv76z installing default atomic_reference libraries Gem files will remain installed in /home/llarruda/.rvm/gems/ruby-2.0.0-p353/gems/atomic-1.1.14 for inspection. Results logged to /home/llarruda/.rvm/gems/ruby-2.0.0-p353/gems/atomic-1.1.14/ext/gem_make.out
~/.rvm/gems/ruby-2.0.0-p353/gems/atomic-1.1.14/ext/gem_make.out 。
/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/bin/ruby extconf.rb creating Makefile make "DESTDIR=" compiling atomic_reference.c linking shared-object atomic_reference.so make "DESTDIR=" install /usr/bin/install -c -m 0755 atomic_reference.so ./.gem.20131122-9599-8hv76z installing default atomic_reference libraries
请参阅~/.rvm/gems/ruby-2.0.0-p353/gems/atomic-1.1.14/ext/mkmf.log ：
"gcc -o conftest -I/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/include/ruby-2.0.0/x86_64-linux -I/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/include/ruby-2.0.0/ruby/backward -I/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/include/ruby-2.0.0 -I. -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 -fPIC conftest.c -L. -L/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -Wl,-R/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-R -Wl,/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -L/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -lruby -lpthread -lrt -ldl -lcrypt -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return 0; 6: } /* end */ "gcc -o conftest -I/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/include/ruby-2.0.0/x86_64-linux -I/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/include/ruby-2.0.0/ruby/backward -I/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/include/ruby-2.0.0 -I. -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 -fPIC conftest.c -L. -L/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -Wl,-R/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -L. -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-R -Wl,/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -L/home/llarruda/.rvm/rubies/ruby-2.0.0-p353/lib -lruby -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 -fPIC -lpthread -lrt -ldl -lcrypt -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main() { 4: int i = 1; 5: __sync_bool_compare_and_swap(&i, 1, 4); 6: return (i != 4); 7: } /* end */ ./conftest
我已经安装了相同的方式与环境可能需要的所有gem，这发生从Ruby版本的更新开始。
尝试
gem update --system
然后再重新安装……………