Ruby script cleanup.

Fix warnings.
Remove 32-bit tests from standard suite because they're not running on most platforms.

auto/generate_module.rb

@@ -171,10 +171,10 @@ class UnityModuleGenerator
   def neutralize_filename(name, start_cap = true)
     return name if name.empty?
     name = name.split(/(?:\s+|_|(?=[A-Z][a-z]))|(?<=[a-z])(?=[A-Z])/).map { |v| v.capitalize }.join('_')
-    if start_cap
-      return name
+    return if start_cap
+      name
     else
-      return name[0].downcase + name[1..-1]
+      name[0].downcase + name[1..-1]
     end
   end
 
@@ -182,8 +182,8 @@ class UnityModuleGenerator
   def create_filename(part1, part2 = '')
     name = part2.empty? ? part1 : part1 + '_' + part2
     case (@options[:naming])
-    when 'bumpy' then neutralize_filename(name,false).gsub('_','')
-    when 'camel' then neutralize_filename(name).gsub('_','')
+    when 'bumpy' then neutralize_filename(name,false).delete('_')
+    when 'camel' then neutralize_filename(name).delete('_')
     when 'snake' then neutralize_filename(name).downcase
     when 'caps'  then neutralize_filename(name).upcase
     else              name

src/unity.c

@@ -1002,8 +1002,7 @@ void UnityAssertFloatSpecial(const UNITY_FLOAT actual,
             is_trait = !isinf(actual) && !isnan(actual);
             break;
 
-        case UNITY_FLOAT_INVALID_TRAIT:
-        default:
+        default: /* including UNITY_FLOAT_INVALID_TRAIT */
             trait_index = 0;
             trait_names[0] = UnityStrInvalidFloatTrait;
             break;
@@ -1143,8 +1142,7 @@ void UnityAssertDoubleSpecial(const UNITY_DOUBLE actual,
             is_trait = !isinf(actual) && !isnan(actual);
             break;
 
-        case UNITY_FLOAT_INVALID_TRAIT:
-        default:
+        default: /* including UNITY_FLOAT_INVALID_TRAIT */
             trait_index = 0;
             trait_names[0] = UnityStrInvalidFloatTrait;
             break;

test/Makefile

@@ -10,6 +10,7 @@ endif
 CFLAGS += -std=c99 -pedantic -Wall -Wextra -Werror
 #CFLAGS += -Wconversion #disabled because if falsely complains about the isinf and isnan macros
 CFLAGS += -Wno-switch-enum -Wno-double-promotion
+CFLAGS += -Wno-poison-system-directories
 CFLAGS += -Wbad-function-cast -Wcast-qual -Wold-style-definition -Wshadow -Wstrict-overflow \
           -Wstrict-prototypes -Wswitch-default -Wundef
 #DEBUG = -O0 -g

test/rakefile_helper.rb

@@ -300,8 +300,8 @@ module RakefileHelpers
 
   def run_make_tests()
     [ "make -s",                               # test with all defaults
-      "make -s DEBUG=-m32",                    # test 32-bit architecture with 64-bit support
-      "make -s DEBUG=-m32 UNITY_SUPPORT_64=",  # test 32-bit build without 64-bit types
+      #"make -s DEBUG=-m32",                    # test 32-bit architecture with 64-bit support
+      #"make -s DEBUG=-m32 UNITY_SUPPORT_64=",  # test 32-bit build without 64-bit types
       "make -s UNITY_INCLUDE_DOUBLE= ",        # test without double
       "cd #{File.join("..","extras","fixture",'test')} && make -s default noStdlibMalloc",
       "cd #{File.join("..","extras","fixture",'test')} && make -s C89",