PTID: 106751868, add bundler support into RMS

Rakefile

@@ -3912,7 +3912,14 @@ namespace "build" do
       cp   compileERB, $srcdir
       puts "Running bb.rb"
 
-      puts `#{$rubypath} -I"#{rhodeslib}" "#{$srcdir}/bb.rb"`
+      cmd_str = "#{$rubypath} -I#{rhodeslib} #{$srcdir}/bb.rb"
+      if defined?(Bundler)
+        Bundler.with_clean_env do
+          puts `#{cmd_str}`
+        end
+      else
+        puts `#{cmd_str}`
+      end
       unless $? == 0
         puts "Error interpreting erb code"
         exit 1
@@ -4042,8 +4049,14 @@ namespace "build" do
         create_manifest
         cp compileERB, $srcdir
         puts "Running default.rb"
-
-        puts `#{$rubypath} -I"#{rhodeslib}" "#{$srcdir}/default.rb"`
+        cmd_str = "#{$rubypath} -I#{rhodeslib} #{$srcdir}/default.rb"
+        if defined?(Bundler)
+          Bundler.with_clean_env do
+            puts `#{cmd_str}`
+          end
+        else
+          puts `#{cmd_str}`
+        end
         unless $? == 0
           puts "Error interpreting erb code"
           exit 1
@@ -4053,7 +4066,14 @@ namespace "build" do
 
         cp   compileRB, $srcdir
         puts "Running compileRB"
-        puts `#{$rubypath} -I"#{rhodeslib}" "#{$srcdir}/compileRB.rb"`
+        cmd_str = "#{$rubypath} -I#{rhodeslib} #{$srcdir}/compileRB.rb"
+        if defined?(Bundler)
+          Bundler.with_clean_env do
+            puts `#{cmd_str}`
+          end
+        else
+          puts `#{cmd_str}`
+        end
         unless $? == 0
           puts "Error interpreting ruby code"
           exit 1