Merge pull request #8304 from apolcyn/fix_ruby_tools_32_bit_windows

make ruby tools use x86 directory names for sub-x86 cpu

src/ruby/tools/bin/grpc_tools_ruby_protoc

@@ -30,7 +30,7 @@
 
 require 'rbconfig'
 
-require_relative '../os_check'
+require_relative '../platform_check'
 
 ext = RbConfig::CONFIG['EXEEXT']
 
@@ -39,7 +39,7 @@ protoc_name = 'protoc' + ext
 plugin_name = 'grpc_ruby_plugin' + ext
 
 protoc_dir = File.join(File.dirname(__FILE__),
-                       RbConfig::CONFIG['host_cpu'] + '-' + OS.os_name)
+                       PLATFORM.architecture + '-' + PLATFORM.os_name)
 
 protoc_path = File.join(protoc_dir, protoc_name)
 

src/ruby/tools/bin/grpc_tools_ruby_protoc_plugin

@@ -30,12 +30,12 @@
 
 require 'rbconfig'
 
-require_relative '../os_check'
+require_relative '../platform_check'
 
 plugin_name = 'grpc_ruby_plugin' + RbConfig::CONFIG['EXEEXT']
 
 plugin_path = File.join(File.dirname(__FILE__),
-                        RbConfig::CONFIG['host_cpu'] + '-' + OS.os_name,
+                        PLATFORM.architecture + '-' + PLATFORM.os_name,
                         plugin_name)
 
 exec([ plugin_path, plugin_path ], *ARGV)

src/ruby/tools/grpc-tools.gemspec

@@ -11,7 +11,7 @@ Gem::Specification.new do |s|
   s.description = 'protoc and the Ruby gRPC protoc plugin'
   s.license = 'BSD-3-Clause'
 
-  s.files = %w( version.rb os_check.rb README.md )
+  s.files = %w( version.rb platform_check.rb README.md )
   s.files += Dir.glob('bin/**/*')
 
   s.bindir = 'bin'

src/ruby/tools/platform_check.rb

@@ -27,12 +27,12 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# This is based on http://stackoverflow.com/a/171011/159388 by Aaron Hinni
-
 require 'rbconfig'
 
-module OS
-  def OS.os_name
+# This is based on http://stackoverflow.com/a/171011/159388 by Aaron Hinni
+
+module PLATFORM
+  def PLATFORM.os_name
     case RbConfig::CONFIG['host_os']
       when /cygwin|mswin|mingw|bccwin|wince|emx/
         'windows'
@@ -42,4 +42,13 @@ module OS
         'linux'
     end
   end
+
+  def PLATFORM.architecture
+    case RbConfig::CONFIG['host_cpu']
+      when /x86_64/
+        'x86_64'
+      else
+        'x86'
+    end
+  end
 end