安装bcrypt 3.1.7时出错，bundler无法继续

Question

我使用的是rubystack2.2.0。当我为一个使用bcrypt的新项目运行bundle install时，我得到了这个错误：

安装带有本机扩展的bcrypt 3.1.7

Gem::Ext::BuildError: ERROR: Failed to build gem native extension

下面是详细的输出

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

/ws/sachilig-sjc/new/ruby/bin/ruby -r ./siteconf20150709-16222-82kbqs.rb extconf.rb
checking for ruby/util.h... yes
creating Makefile

make "DESTDIR=" clean
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in pattern match (m//) at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Argument "UUUUUUUUUUUU" isn't numeric in division (/) at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Illegal division by zero at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
BEGIN failed--compilation aborted at /ws/sachilig-sjc/new/perl/lib/5.16.3/File/Basename.pm line 52.
Compilation failed in require at /router/bin/make line 37.
BEGIN failed--compilation aborted at /router/bin/make line 37.

make "DESTDIR="
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in concatenation (.) or string at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Use of uninitialized value in pattern match (m//) at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Argument "UUUUUUUUUUUU" isn't numeric in division (/) at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
Illegal division by zero at /ws/sachilig-sjc/new/perl/lib/5.16.3/warnings.pm line 390.
BEGIN failed--compilation aborted at /ws/sachilig-sjc/new/perl/lib/5.16.3/File/Basename.pm line 52.
Compilation failed in require at /router/bin/make line 37.
BEGIN failed--compilation aborted at /router/bin/make line 37.

make failed, exit code 255

Gem files will remain installed in /ws/sachilig-sjc/new/ruby/lib/ruby/gems/2.2.0/gems/bcrypt-3.1.7 for inspection.
Results logged to /ws/sachilig-sjc/new/ruby/lib/ruby/gems/2.2.0/extensions/x86_64-linux/2.2.0-static/bcrypt-3.1.7/gem_make.out
An error occurred while installing bcrypt (3.1.7), and Bundler cannot continue.
Make sure that gem install bcrypt -v '3.1.7' succeeds before bundling.

Answer 1

我相信我也遇到了同样的问题，我可能已经用rm -rf Gemfile.lock解决了这个问题

，然后从Gemfile中删除版本信息，然后尝试运行gem install bcrypt，看看是否有效……如果是这样的话：bundle，bundle update，如果这不起作用，那么你的ruby -v或rails -v版本就错了。在这种情况下，您可能需要先使用rbenv install Ruby，然后使用gem install Rails。我不确定我的事件的确切顺序是什么，但我一直在做这样的事情，最终还是有一些事情发生了。

顺便说一句，你的ruby肯定不是2.2.0版本的最新版本，所以你可能想去安装ruby。https://gorails.com有一些东西。

Answer 2

它帮助我在我的rails应用程序的Gemfile中用gem 'bcrypt', '~> 3.1.7'替换了gem 'bcrypt', '3.1.7'。

不同之处在于，捆绑器可以加载随最后一个(次要)数字变化的任何gem。

然后我从命令行运行bundle install，它就像奇迹一样工作。