我在从cygwin内部安装gem wdm时遇到此错误。有没有人有同样的问题,现在知道解决它。谢谢。 (我正在尝试安装Guard gem)
$ gem install wdm
Building native extensions. This could take a while...
ERROR: Error installing wdm:
ERROR: Failed to build gem native extension.
/usr/bin/ruby.exe extconf.rb
checking for main() in -lkernel32... yes
checking for windows.h... yes
checking for ruby.h... yes
checking for HAVE_RUBY_ENCODING_H... yes
creating Makefile
make
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_WINDOWS_H -DHAVE_RUBY_H -DHAVE_CONST_HAVE_RUBY_ENCODING_H -ggdb -O2 -pipe -fno-strict-aliasing -o entry.o -c entry.c
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_WINDOWS_H -DHAVE_RUBY_H -DHAVE_CONST_HAVE_RUBY_ENCODING_H -ggdb -O2 -pipe -fno-strict-aliasing -o memory.o -c memory.c
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_WINDOWS_H -DHAVE_RUBY_H -DHAVE_CONST_HAVE_RUBY_ENCODING_H -ggdb -O2 -pipe -fno-strict-aliasing -o monitor.o -c monitor.c
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_WINDOWS_H -DHAVE_RUBY_H -DHAVE_CONST_HAVE_RUBY_ENCODING_H -ggdb -O2 -pipe -fno-strict-aliasing -o queue.o -c queue.c
gcc -I. -I/usr/include/ruby-1.9.1/i386-cygwin -I/usr/include/ruby-1.9.1/ruby/backward -I/usr/include/ruby-1.9.1 -I. -DHAVE_WINDOWS_H -DHAVE_RUBY_H -DHAVE_CONST_HAVE_RUBY_ENCODING_H -ggdb -O2 -pipe -fno-strict-aliasing -o rb_change.o -c rb_change.c
rb_change.c: In function ‘extract_absolute_path_from_notification’:
rb_change.c:47:16: error: ‘_MAX_FNAME’ undeclared (first use in this function)
rb_change.c:47:16: note: each undeclared identifier is reported only once for each function it appears in
rb_change.c:47:33: error: ‘_MAX_EXT’ undeclared (first use in this function)
Makefile:206: recipe for target `rb_change.o' failed
make: *** [rb_change.o] Error 1
Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/wdm-0.1.0 for inspection.
Results logged to /usr/lib/ruby/gems/1.9.1/gems/wdm-0.1.0/ext/wdm/gem_make.out
答案 0 :(得分:3)
我的一位同事前几天与wdm有问题。
我们通过下载Ruby DevKit来修复它(不确定你是否已经安装了这个)。
我在网上找到了一些相当不错的步骤,我会把它们粘贴在这里 - 希望他们帮助
开发工具包在此处:http://rubyinstaller.org/downloads/
cd devkit
。运行以下命令确认您的Ruby环境正确使用DevKit:
gem install wdm --platform=ruby
包含--platform = ruby选项以强制RubyGems构建本机gem而不是可能安装不正确的二进制gem是至关重要的。