[Active Support] require => require_relative

129 files changed, 383 insertions, 383 deletions

diff --git a/activesupport/lib/active_support.rb b/activesupport/lib/active_support.rb
index a667fbb54a..7302841075 100644
--- a/activesupport/lib/active_support.rb
+++ b/activesupport/lib/active_support.rb
@@ -22,11 +22,11 @@
 #++
 
 require "securerandom"
-require "active_support/dependencies/autoload"
-require "active_support/version"
-require "active_support/logger"
-require "active_support/lazy_load_hooks"
-require "active_support/core_ext/date_and_time/compatibility"
+require_relative "active_support/dependencies/autoload"
+require_relative "active_support/version"
+require_relative "active_support/logger"
+require_relative "active_support/lazy_load_hooks"
+require_relative "active_support/core_ext/date_and_time/compatibility"
 
 module ActiveSupport
   extend ActiveSupport::Autoload
diff --git a/activesupport/lib/active_support/all.rb b/activesupport/lib/active_support/all.rb
index 72a23075af..413314167d 100644
--- a/activesupport/lib/active_support/all.rb
+++ b/activesupport/lib/active_support/all.rb
@@ -1,3 +1,3 @@
 require "active_support"
-require "active_support/time"
-require "active_support/core_ext"
+require_relative "time"
+require_relative "core_ext"
diff --git a/activesupport/lib/active_support/benchmarkable.rb b/activesupport/lib/active_support/benchmarkable.rb
index 70493c8da7..74e39c74e1 100644
--- a/activesupport/lib/active_support/benchmarkable.rb
+++ b/activesupport/lib/active_support/benchmarkable.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/benchmark"
-require "active_support/core_ext/hash/keys"
+require_relative "core_ext/benchmark"
+require_relative "core_ext/hash/keys"
 
 module ActiveSupport
   module Benchmarkable
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index 3847d8b7ae..ef659d90ad 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -1,11 +1,11 @@
 require "zlib"
-require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/array/wrap"
-require "active_support/core_ext/module/attribute_accessors"
-require "active_support/core_ext/numeric/bytes"
-require "active_support/core_ext/numeric/time"
-require "active_support/core_ext/object/to_param"
-require "active_support/core_ext/string/inflections"
+require_relative "core_ext/array/extract_options"
+require_relative "core_ext/array/wrap"
+require_relative "core_ext/module/attribute_accessors"
+require_relative "core_ext/numeric/bytes"
+require_relative "core_ext/numeric/time"
+require_relative "core_ext/object/to_param"
+require_relative "core_ext/string/inflections"
 
 module ActiveSupport
   # See ActiveSupport::Cache::Store for documentation.
@@ -99,7 +99,7 @@ module ActiveSupport
         # Obtains the specified cache store class, given the name of the +store+.
         # Raises an error when the store class cannot be found.
         def retrieve_store_class(store)
-          require "active_support/cache/#{store}"
+          require_relative "cache/#{store}"
         rescue LoadError => e
           raise "Could not find cache store adapter for #{store} (#{e})"
         else
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb
index 945f50a56e..bb65da2723 100644
--- a/activesupport/lib/active_support/cache/file_store.rb
+++ b/activesupport/lib/active_support/cache/file_store.rb
@@ -1,6 +1,6 @@
-require "active_support/core_ext/marshal"
-require "active_support/core_ext/file/atomic"
-require "active_support/core_ext/string/conversions"
+require_relative "../core_ext/marshal"
+require_relative "../core_ext/file/atomic"
+require_relative "../core_ext/string/conversions"
 require "uri/common"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/cache/mem_cache_store.rb b/activesupport/lib/active_support/cache/mem_cache_store.rb
index 06fa9f67ad..7efe6fe3bf 100644
--- a/activesupport/lib/active_support/cache/mem_cache_store.rb
+++ b/activesupport/lib/active_support/cache/mem_cache_store.rb
@@ -6,8 +6,8 @@ rescue LoadError => e
 end
 
 require "digest/md5"
-require "active_support/core_ext/marshal"
-require "active_support/core_ext/array/extract_options"
+require_relative "../core_ext/marshal"
+require_relative "../core_ext/array/extract_options"
 
 module ActiveSupport
   module Cache
diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb
index 69b3a93a05..2e7e5af0e3 100644
--- a/activesupport/lib/active_support/cache/strategy/local_cache.rb
+++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb
@@ -1,6 +1,6 @@
-require "active_support/core_ext/object/duplicable"
-require "active_support/core_ext/string/inflections"
-require "active_support/per_thread_registry"
+require_relative "../../core_ext/object/duplicable"
+require_relative "../../core_ext/string/inflections"
+require_relative "../../per_thread_registry"
 
 module ActiveSupport
   module Cache
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index df18c35199..34d62ec3a9 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -1,11 +1,11 @@
-require "active_support/concern"
-require "active_support/descendants_tracker"
-require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/class/attribute"
-require "active_support/core_ext/kernel/reporting"
-require "active_support/core_ext/kernel/singleton_class"
-require "active_support/core_ext/string/filters"
-require "active_support/deprecation"
+require_relative "concern"
+require_relative "descendants_tracker"
+require_relative "core_ext/array/extract_options"
+require_relative "core_ext/class/attribute"
+require_relative "core_ext/kernel/reporting"
+require_relative "core_ext/kernel/singleton_class"
+require_relative "core_ext/string/filters"
+require_relative "deprecation"
 require "thread"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/configurable.rb b/activesupport/lib/active_support/configurable.rb
index f72a893bcc..ebe4055f91 100644
--- a/activesupport/lib/active_support/configurable.rb
+++ b/activesupport/lib/active_support/configurable.rb
@@ -1,7 +1,7 @@
-require "active_support/concern"
-require "active_support/ordered_options"
-require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/regexp"
+require_relative "concern"
+require_relative "ordered_options"
+require_relative "core_ext/array/extract_options"
+require_relative "core_ext/regexp"
 
 module ActiveSupport
   # Configurable provides a <tt>config</tt> method to store and retrieve
diff --git a/activesupport/lib/active_support/core_ext/array.rb b/activesupport/lib/active_support/core_ext/array.rb
index e908386a1c..3536c7f2bf 100644
--- a/activesupport/lib/active_support/core_ext/array.rb
+++ b/activesupport/lib/active_support/core_ext/array.rb
@@ -1,7 +1,7 @@
-require "active_support/core_ext/array/wrap"
-require "active_support/core_ext/array/access"
-require "active_support/core_ext/array/conversions"
-require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/array/grouping"
-require "active_support/core_ext/array/prepend_and_append"
-require "active_support/core_ext/array/inquiry"
+require_relative "array/wrap"
+require_relative "array/access"
+require_relative "array/conversions"
+require_relative "array/extract_options"
+require_relative "array/grouping"
+require_relative "array/prepend_and_append"
+require_relative "array/inquiry"
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index cac15e1100..57ad32483a 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -1,8 +1,8 @@
-require "active_support/xml_mini"
-require "active_support/core_ext/hash/keys"
-require "active_support/core_ext/string/inflections"
-require "active_support/core_ext/object/to_param"
-require "active_support/core_ext/object/to_query"
+require_relative "../../xml_mini"
+require_relative "../hash/keys"
+require_relative "../string/inflections"
+require_relative "../object/to_param"
+require_relative "../object/to_query"
 
 class Array
   # Converts the array to a comma-separated sentence where the last element is
@@ -179,7 +179,7 @@ class Array
   #   </messages>
   #
   def to_xml(options = {})
-    require "active_support/builder" unless defined?(Builder)
+    require_relative "../../builder" unless defined?(Builder)
 
     options = options.dup
     options[:indent]  ||= 2
diff --git a/activesupport/lib/active_support/core_ext/array/inquiry.rb b/activesupport/lib/active_support/core_ext/array/inquiry.rb
index 66fa5fcd0c..c46b01baf0 100644
--- a/activesupport/lib/active_support/core_ext/array/inquiry.rb
+++ b/activesupport/lib/active_support/core_ext/array/inquiry.rb
@@ -1,4 +1,4 @@
-require "active_support/array_inquirer"
+require_relative "../../array_inquirer"
 
 class Array
   # Wraps the array in an +ArrayInquirer+ object, which gives a friendlier way
diff --git a/activesupport/lib/active_support/core_ext/big_decimal.rb b/activesupport/lib/active_support/core_ext/big_decimal.rb
index 7b4f87f10e..7e396cac3c 100644
--- a/activesupport/lib/active_support/core_ext/big_decimal.rb
+++ b/activesupport/lib/active_support/core_ext/big_decimal.rb
@@ -1 +1 @@
-require "active_support/core_ext/big_decimal/conversions"
+require_relative "big_decimal/conversions"
diff --git a/activesupport/lib/active_support/core_ext/class.rb b/activesupport/lib/active_support/core_ext/class.rb
index 6a19e862d0..66dd1c939a 100644
--- a/activesupport/lib/active_support/core_ext/class.rb
+++ b/activesupport/lib/active_support/core_ext/class.rb
@@ -1,2 +1,2 @@
-require "active_support/core_ext/class/attribute"
-require "active_support/core_ext/class/subclasses"
+require_relative "class/attribute"
+require_relative "class/subclasses"
diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb
index 8caddcd5c3..26b826b39b 100644
--- a/activesupport/lib/active_support/core_ext/class/attribute.rb
+++ b/activesupport/lib/active_support/core_ext/class/attribute.rb
@@ -1,6 +1,6 @@
-require "active_support/core_ext/kernel/singleton_class"
-require "active_support/core_ext/module/remove_method"
-require "active_support/core_ext/array/extract_options"
+require_relative "../kernel/singleton_class"
+require_relative "../module/remove_method"
+require_relative "../array/extract_options"
 
 class Class
   # Declare a class-level attribute whose value is inheritable by subclasses.
diff --git a/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb b/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb
index 0f767925ed..eebf2e294a 100644
--- a/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb
+++ b/activesupport/lib/active_support/core_ext/class/attribute_accessors.rb
@@ -1,4 +1,4 @@
 # cattr_* became mattr_* aliases in 7dfbd91b0780fbd6a1dd9bfbc176e10894871d2d,
 # but we keep this around for libraries that directly require it knowing they
 # want cattr_*. No need to deprecate.
-require "active_support/core_ext/module/attribute_accessors"
+require_relative "../module/attribute_accessors"
diff --git a/activesupport/lib/active_support/core_ext/class/subclasses.rb b/activesupport/lib/active_support/core_ext/class/subclasses.rb
index 62397d9508..545ad7fb3e 100644
--- a/activesupport/lib/active_support/core_ext/class/subclasses.rb
+++ b/activesupport/lib/active_support/core_ext/class/subclasses.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/module/anonymous"
-require "active_support/core_ext/module/reachable"
+require_relative "../module/anonymous"
+require_relative "../module/reachable"
 
 class Class
   begin
diff --git a/activesupport/lib/active_support/core_ext/date.rb b/activesupport/lib/active_support/core_ext/date.rb
index 4f66804da2..aba72c732f 100644
--- a/activesupport/lib/active_support/core_ext/date.rb
+++ b/activesupport/lib/active_support/core_ext/date.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/date/acts_like"
-require "active_support/core_ext/date/blank"
-require "active_support/core_ext/date/calculations"
-require "active_support/core_ext/date/conversions"
-require "active_support/core_ext/date/zones"
+require_relative "date/acts_like"
+require_relative "date/blank"
+require_relative "date/calculations"
+require_relative "date/conversions"
+require_relative "date/zones"
diff --git a/activesupport/lib/active_support/core_ext/date/acts_like.rb b/activesupport/lib/active_support/core_ext/date/acts_like.rb
index 46fe99ad47..dfea3e3f09 100644
--- a/activesupport/lib/active_support/core_ext/date/acts_like.rb
+++ b/activesupport/lib/active_support/core_ext/date/acts_like.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/acts_like"
+require_relative "../object/acts_like"
 
 class Date
   # Duck-types as a Date-like class. See Object#acts_like?.
diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb
index d6f60cac04..24d3721d48 100644
--- a/activesupport/lib/active_support/core_ext/date/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date/calculations.rb
@@ -1,9 +1,9 @@
 require "date"
-require "active_support/duration"
-require "active_support/core_ext/object/acts_like"
-require "active_support/core_ext/date/zones"
-require "active_support/core_ext/time/zones"
-require "active_support/core_ext/date_and_time/calculations"
+require_relative "../../duration"
+require_relative "../object/acts_like"
+require_relative "zones"
+require_relative "../time/zones"
+require_relative "../date_and_time/calculations"
 
 class Date
   include DateAndTime::Calculations
diff --git a/activesupport/lib/active_support/core_ext/date/conversions.rb b/activesupport/lib/active_support/core_ext/date/conversions.rb
index 0f59c754fe..7971d39fb7 100644
--- a/activesupport/lib/active_support/core_ext/date/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/date/conversions.rb
@@ -1,7 +1,7 @@
 require "date"
-require "active_support/inflector/methods"
-require "active_support/core_ext/date/zones"
-require "active_support/core_ext/module/remove_method"
+require_relative "../../inflector/methods"
+require_relative "zones"
+require_relative "../module/remove_method"
 
 class Date
   DATE_FORMATS = {
diff --git a/activesupport/lib/active_support/core_ext/date/zones.rb b/activesupport/lib/active_support/core_ext/date/zones.rb
index da23fe4892..d94c7bcfc2 100644
--- a/activesupport/lib/active_support/core_ext/date/zones.rb
+++ b/activesupport/lib/active_support/core_ext/date/zones.rb
@@ -1,5 +1,5 @@
 require "date"
-require "active_support/core_ext/date_and_time/zones"
+require_relative "../date_and_time/zones"
 
 class Date
   include DateAndTime::Zones
diff --git a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
index e2e1d3e359..cf01a4542f 100644
--- a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/try"
+require_relative "../object/try"
 
 module DateAndTime
   module Calculations
diff --git a/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb b/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb
index 2d45e16546..bb9908df61 100644
--- a/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb
+++ b/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/module/attribute_accessors"
+require_relative "../module/attribute_accessors"
 
 module DateAndTime
   module Compatibility
diff --git a/activesupport/lib/active_support/core_ext/date_time.rb b/activesupport/lib/active_support/core_ext/date_time.rb
index 6fd498f864..ce35026a71 100644
--- a/activesupport/lib/active_support/core_ext/date_time.rb
+++ b/activesupport/lib/active_support/core_ext/date_time.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/date_time/acts_like"
-require "active_support/core_ext/date_time/blank"
-require "active_support/core_ext/date_time/calculations"
-require "active_support/core_ext/date_time/compatibility"
-require "active_support/core_ext/date_time/conversions"
+require_relative "date_time/acts_like"
+require_relative "date_time/blank"
+require_relative "date_time/calculations"
+require_relative "date_time/compatibility"
+require_relative "date_time/conversions"
diff --git a/activesupport/lib/active_support/core_ext/date_time/acts_like.rb b/activesupport/lib/active_support/core_ext/date_time/acts_like.rb
index 6f50f55a53..f0356ee6a0 100644
--- a/activesupport/lib/active_support/core_ext/date_time/acts_like.rb
+++ b/activesupport/lib/active_support/core_ext/date_time/acts_like.rb
@@ -1,5 +1,5 @@
 require "date"
-require "active_support/core_ext/object/acts_like"
+require_relative "../object/acts_like"
 
 class DateTime
   # Duck-types as a Date-like class. See Object#acts_like?.
diff --git a/activesupport/lib/active_support/core_ext/date_time/compatibility.rb b/activesupport/lib/active_support/core_ext/date_time/compatibility.rb
index 870391aeaa..fe255c087f 100644
--- a/activesupport/lib/active_support/core_ext/date_time/compatibility.rb
+++ b/activesupport/lib/active_support/core_ext/date_time/compatibility.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/date_and_time/compatibility"
-require "active_support/core_ext/module/remove_method"
+require_relative "../date_and_time/compatibility"
+require_relative "../module/remove_method"
 
 class DateTime
   include DateAndTime::Compatibility
diff --git a/activesupport/lib/active_support/core_ext/date_time/conversions.rb b/activesupport/lib/active_support/core_ext/date_time/conversions.rb
index d9b3743858..36bfd28f31 100644
--- a/activesupport/lib/active_support/core_ext/date_time/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/date_time/conversions.rb
@@ -1,8 +1,8 @@
 require "date"
-require "active_support/inflector/methods"
-require "active_support/core_ext/time/conversions"
-require "active_support/core_ext/date_time/calculations"
-require "active_support/values/time_zone"
+require_relative "../../inflector/methods"
+require_relative "../time/conversions"
+require_relative "calculations"
+require_relative "../../values/time_zone"
 
 class DateTime
   # Convert to a formatted string. See Time::DATE_FORMATS for predefined formats.
diff --git a/activesupport/lib/active_support/core_ext/file.rb b/activesupport/lib/active_support/core_ext/file.rb
index 6d99bad2af..ea3267f5da 100644
--- a/activesupport/lib/active_support/core_ext/file.rb
+++ b/activesupport/lib/active_support/core_ext/file.rb
@@ -1 +1 @@
-require "active_support/core_ext/file/atomic"
+require_relative "file/atomic"
diff --git a/activesupport/lib/active_support/core_ext/hash.rb b/activesupport/lib/active_support/core_ext/hash.rb
index c819307e8a..6122ac57ba 100644
--- a/activesupport/lib/active_support/core_ext/hash.rb
+++ b/activesupport/lib/active_support/core_ext/hash.rb
@@ -1,9 +1,9 @@
-require "active_support/core_ext/hash/compact"
-require "active_support/core_ext/hash/conversions"
-require "active_support/core_ext/hash/deep_merge"
-require "active_support/core_ext/hash/except"
-require "active_support/core_ext/hash/indifferent_access"
-require "active_support/core_ext/hash/keys"
-require "active_support/core_ext/hash/reverse_merge"
-require "active_support/core_ext/hash/slice"
-require "active_support/core_ext/hash/transform_values"
+require_relative "hash/compact"
+require_relative "hash/conversions"
+require_relative "hash/deep_merge"
+require_relative "hash/except"
+require_relative "hash/indifferent_access"
+require_relative "hash/keys"
+require_relative "hash/reverse_merge"
+require_relative "hash/slice"
+require_relative "hash/transform_values"
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index 2a58a7f1ca..713711e16a 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -1,11 +1,11 @@
-require "active_support/xml_mini"
-require "active_support/time"
-require "active_support/core_ext/object/blank"
-require "active_support/core_ext/object/to_param"
-require "active_support/core_ext/object/to_query"
-require "active_support/core_ext/array/wrap"
-require "active_support/core_ext/hash/reverse_merge"
-require "active_support/core_ext/string/inflections"
+require_relative "../../xml_mini"
+require_relative "../../time"
+require_relative "../object/blank"
+require_relative "../object/to_param"
+require_relative "../object/to_query"
+require_relative "../array/wrap"
+require_relative "reverse_merge"
+require_relative "../string/inflections"
 
 class Hash
   # Returns a string containing an XML representation of its receiver:
@@ -71,7 +71,7 @@ class Hash
   # configure your own builder with the <tt>:builder</tt> option. The method also accepts
   # options like <tt>:dasherize</tt> and friends, they are forwarded to the builder.
   def to_xml(options = {})
-    require "active_support/builder" unless defined?(Builder)
+    require_relative "../../builder" unless defined?(Builder)
 
     options = options.dup
     options[:indent]  ||= 2
diff --git a/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb b/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
index 3e1ccecb6c..4b7fe34cc9 100644
--- a/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
+++ b/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
@@ -1,4 +1,4 @@
-require "active_support/hash_with_indifferent_access"
+require_relative "../../hash_with_indifferent_access"
 
 class Hash
   # Returns an <tt>ActiveSupport::HashWithIndifferentAccess</tt> out of its receiver:
diff --git a/activesupport/lib/active_support/core_ext/integer.rb b/activesupport/lib/active_support/core_ext/integer.rb
index 8f0c55f9d3..e7c1aae980 100644
--- a/activesupport/lib/active_support/core_ext/integer.rb
+++ b/activesupport/lib/active_support/core_ext/integer.rb
@@ -1,3 +1,3 @@
-require "active_support/core_ext/integer/multiple"
-require "active_support/core_ext/integer/inflections"
-require "active_support/core_ext/integer/time"
+require_relative "integer/multiple"
+require_relative "integer/inflections"
+require_relative "integer/time"
diff --git a/activesupport/lib/active_support/core_ext/integer/inflections.rb b/activesupport/lib/active_support/core_ext/integer/inflections.rb
index bc21b65533..0b2ada8b22 100644
--- a/activesupport/lib/active_support/core_ext/integer/inflections.rb
+++ b/activesupport/lib/active_support/core_ext/integer/inflections.rb
@@ -1,4 +1,4 @@
-require "active_support/inflector"
+require_relative "../../inflector"
 
 class Integer
   # Ordinalize turns a number into an ordinal string used to denote the
diff --git a/activesupport/lib/active_support/core_ext/integer/time.rb b/activesupport/lib/active_support/core_ext/integer/time.rb
index 74baae3639..d5625dfd1c 100644
--- a/activesupport/lib/active_support/core_ext/integer/time.rb
+++ b/activesupport/lib/active_support/core_ext/integer/time.rb
@@ -1,5 +1,5 @@
-require "active_support/duration"
-require "active_support/core_ext/numeric/time"
+require_relative "../../duration"
+require_relative "../numeric/time"
 
 class Integer
   # Enables the use of time calculations and declarations, like <tt>45.minutes +
diff --git a/activesupport/lib/active_support/core_ext/kernel.rb b/activesupport/lib/active_support/core_ext/kernel.rb
index 3d41ff7876..26142b107b 100644
--- a/activesupport/lib/active_support/core_ext/kernel.rb
+++ b/activesupport/lib/active_support/core_ext/kernel.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/kernel/agnostics"
-require "active_support/core_ext/kernel/concern"
-require "active_support/core_ext/kernel/reporting"
-require "active_support/core_ext/kernel/singleton_class"
+require_relative "kernel/agnostics"
+require_relative "kernel/concern"
+require_relative "kernel/reporting"
+require_relative "kernel/singleton_class"
diff --git a/activesupport/lib/active_support/core_ext/kernel/concern.rb b/activesupport/lib/active_support/core_ext/kernel/concern.rb
index 307a7f7a63..535f0d21df 100644
--- a/activesupport/lib/active_support/core_ext/kernel/concern.rb
+++ b/activesupport/lib/active_support/core_ext/kernel/concern.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/module/concerning"
+require_relative "../module/concerning"
 
 module Kernel
   module_function
diff --git a/activesupport/lib/active_support/core_ext/module.rb b/activesupport/lib/active_support/core_ext/module.rb
index 2930255557..3ee394edd9 100644
--- a/activesupport/lib/active_support/core_ext/module.rb
+++ b/activesupport/lib/active_support/core_ext/module.rb
@@ -1,11 +1,11 @@
-require "active_support/core_ext/module/aliasing"
-require "active_support/core_ext/module/introspection"
-require "active_support/core_ext/module/anonymous"
-require "active_support/core_ext/module/reachable"
-require "active_support/core_ext/module/attribute_accessors"
-require "active_support/core_ext/module/attribute_accessors_per_thread"
-require "active_support/core_ext/module/attr_internal"
-require "active_support/core_ext/module/concerning"
-require "active_support/core_ext/module/delegation"
-require "active_support/core_ext/module/deprecation"
-require "active_support/core_ext/module/remove_method"
+require_relative "module/aliasing"
+require_relative "module/introspection"
+require_relative "module/anonymous"
+require_relative "module/reachable"
+require_relative "module/attribute_accessors"
+require_relative "module/attribute_accessors_per_thread"
+require_relative "module/attr_internal"
+require_relative "module/concerning"
+require_relative "module/delegation"
+require_relative "module/deprecation"
+require_relative "module/remove_method"
diff --git a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
index 9244cfa157..e978bd41d6 100644
--- a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
+++ b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/regexp"
+require_relative "../array/extract_options"
+require_relative "../regexp"
 
 # Extends the module object with class/module and instance accessors for
 # class/module attributes, just like the native attr* accessors for instance
diff --git a/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb b/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb
index 1e82b4acc2..9ef834fa6f 100644
--- a/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb
+++ b/activesupport/lib/active_support/core_ext/module/attribute_accessors_per_thread.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/array/extract_options"
-require "active_support/core_ext/regexp"
+require_relative "../array/extract_options"
+require_relative "../regexp"
 
 # Extends the module object with class/module and instance accessors for
 # class/module attributes, just like the native attr* accessors for instance
diff --git a/activesupport/lib/active_support/core_ext/module/concerning.rb b/activesupport/lib/active_support/core_ext/module/concerning.rb
index 97b0a382ce..eb821aba60 100644
--- a/activesupport/lib/active_support/core_ext/module/concerning.rb
+++ b/activesupport/lib/active_support/core_ext/module/concerning.rb
@@ -1,4 +1,4 @@
-require "active_support/concern"
+require_relative "../../concern"
 
 class Module
   # = Bite-sized separation of concerns
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
index 13f3894e6c..04f34e553d 100644
--- a/activesupport/lib/active_support/core_ext/module/delegation.rb
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -1,5 +1,5 @@
 require "set"
-require "active_support/core_ext/regexp"
+require_relative "../regexp"
 
 class Module
   # Error generated by +delegate+ when a method is called on +nil+ and +allow_nil+
diff --git a/activesupport/lib/active_support/core_ext/module/introspection.rb b/activesupport/lib/active_support/core_ext/module/introspection.rb
index ca20a6d4c5..4a7930792c 100644
--- a/activesupport/lib/active_support/core_ext/module/introspection.rb
+++ b/activesupport/lib/active_support/core_ext/module/introspection.rb
@@ -1,4 +1,4 @@
-require "active_support/inflector"
+require_relative "../../inflector"
 
 class Module
   # Returns the name of the module containing this one.
diff --git a/activesupport/lib/active_support/core_ext/module/reachable.rb b/activesupport/lib/active_support/core_ext/module/reachable.rb
index b89a38f26c..0f78999634 100644
--- a/activesupport/lib/active_support/core_ext/module/reachable.rb
+++ b/activesupport/lib/active_support/core_ext/module/reachable.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/module/anonymous"
-require "active_support/core_ext/string/inflections"
+require_relative "anonymous"
+require_relative "../string/inflections"
 
 class Module
   def reachable? #:nodoc:
diff --git a/activesupport/lib/active_support/core_ext/numeric.rb b/activesupport/lib/active_support/core_ext/numeric.rb
index 6062f9e3a8..e10d7708bd 100644
--- a/activesupport/lib/active_support/core_ext/numeric.rb
+++ b/activesupport/lib/active_support/core_ext/numeric.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/numeric/bytes"
-require "active_support/core_ext/numeric/time"
-require "active_support/core_ext/numeric/inquiry"
-require "active_support/core_ext/numeric/conversions"
+require_relative "numeric/bytes"
+require_relative "numeric/time"
+require_relative "numeric/inquiry"
+require_relative "numeric/conversions"
diff --git a/activesupport/lib/active_support/core_ext/numeric/conversions.rb b/activesupport/lib/active_support/core_ext/numeric/conversions.rb
index 4f6621693e..397e32ee8e 100644
--- a/activesupport/lib/active_support/core_ext/numeric/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/numeric/conversions.rb
@@ -1,6 +1,6 @@
-require "active_support/core_ext/big_decimal/conversions"
-require "active_support/number_helper"
-require "active_support/core_ext/module/deprecation"
+require_relative "../big_decimal/conversions"
+require_relative "../../number_helper"
+require_relative "../module/deprecation"
 
 module ActiveSupport::NumericWithFormat
   # Provides options for converting numbers into formatted strings.
diff --git a/activesupport/lib/active_support/core_ext/numeric/time.rb b/activesupport/lib/active_support/core_ext/numeric/time.rb
index 2e6c70d418..cf002552fb 100644
--- a/activesupport/lib/active_support/core_ext/numeric/time.rb
+++ b/activesupport/lib/active_support/core_ext/numeric/time.rb
@@ -1,8 +1,8 @@
-require "active_support/duration"
-require "active_support/core_ext/time/calculations"
-require "active_support/core_ext/time/acts_like"
-require "active_support/core_ext/date/calculations"
-require "active_support/core_ext/date/acts_like"
+require_relative "../../duration"
+require_relative "../time/calculations"
+require_relative "../time/acts_like"
+require_relative "../date/calculations"
+require_relative "../date/acts_like"
 
 class Numeric
   # Enables the use of time calculations and declarations, like 45.minutes + 2.hours + 4.years.
diff --git a/activesupport/lib/active_support/core_ext/object.rb b/activesupport/lib/active_support/core_ext/object.rb
index 58bbf78601..993cc6a059 100644
--- a/activesupport/lib/active_support/core_ext/object.rb
+++ b/activesupport/lib/active_support/core_ext/object.rb
@@ -1,14 +1,14 @@
-require "active_support/core_ext/object/acts_like"
-require "active_support/core_ext/object/blank"
-require "active_support/core_ext/object/duplicable"
-require "active_support/core_ext/object/deep_dup"
-require "active_support/core_ext/object/try"
-require "active_support/core_ext/object/inclusion"
+require_relative "object/acts_like"
+require_relative "object/blank"
+require_relative "object/duplicable"
+require_relative "object/deep_dup"
+require_relative "object/try"
+require_relative "object/inclusion"
 
-require "active_support/core_ext/object/conversions"
-require "active_support/core_ext/object/instance_variables"
+require_relative "object/conversions"
+require_relative "object/instance_variables"
 
-require "active_support/core_ext/object/json"
-require "active_support/core_ext/object/to_param"
-require "active_support/core_ext/object/to_query"
-require "active_support/core_ext/object/with_options"
+require_relative "object/json"
+require_relative "object/to_param"
+require_relative "object/to_query"
+require_relative "object/with_options"
diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb
index bdb50ee291..c37c2649d6 100644
--- a/activesupport/lib/active_support/core_ext/object/blank.rb
+++ b/activesupport/lib/active_support/core_ext/object/blank.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/regexp"
+require_relative "../regexp"
 
 class Object
   # An object is blank if it's false, empty, or a whitespace string.
diff --git a/activesupport/lib/active_support/core_ext/object/conversions.rb b/activesupport/lib/active_support/core_ext/object/conversions.rb
index 918ebcdc9f..9d3bdbc528 100644
--- a/activesupport/lib/active_support/core_ext/object/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/object/conversions.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/to_param"
-require "active_support/core_ext/object/to_query"
-require "active_support/core_ext/array/conversions"
-require "active_support/core_ext/hash/conversions"
+require_relative "to_param"
+require_relative "to_query"
+require_relative "../array/conversions"
+require_relative "../hash/conversions"
diff --git a/activesupport/lib/active_support/core_ext/object/deep_dup.rb b/activesupport/lib/active_support/core_ext/object/deep_dup.rb
index 5ac649e552..d966a29408 100644
--- a/activesupport/lib/active_support/core_ext/object/deep_dup.rb
+++ b/activesupport/lib/active_support/core_ext/object/deep_dup.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/duplicable"
+require_relative "duplicable"
 
 class Object
   # Returns a deep copy of object if it's duplicable. If it's
diff --git a/activesupport/lib/active_support/core_ext/object/json.rb b/activesupport/lib/active_support/core_ext/object/json.rb
index 1c4d181443..d54373d5f2 100644
--- a/activesupport/lib/active_support/core_ext/object/json.rb
+++ b/activesupport/lib/active_support/core_ext/object/json.rb
@@ -3,14 +3,14 @@ require "json"
 require "bigdecimal"
 require "uri/generic"
 require "pathname"
-require "active_support/core_ext/big_decimal/conversions" # for #to_s
-require "active_support/core_ext/hash/except"
-require "active_support/core_ext/hash/slice"
-require "active_support/core_ext/object/instance_variables"
+require_relative "../big_decimal/conversions" # for #to_s
+require_relative "../hash/except"
+require_relative "../hash/slice"
+require_relative "instance_variables"
 require "time"
-require "active_support/core_ext/time/conversions"
-require "active_support/core_ext/date_time/conversions"
-require "active_support/core_ext/date/conversions"
+require_relative "../time/conversions"
+require_relative "../date_time/conversions"
+require_relative "../date/conversions"
 
 # The JSON gem adds a few modules to Ruby core classes containing :to_json definition, overwriting
 # their default behavior. That said, we need to define the basic to_json method in all of them,
diff --git a/activesupport/lib/active_support/core_ext/object/to_param.rb b/activesupport/lib/active_support/core_ext/object/to_param.rb
index 5eeaf03163..d39727ce00 100644
--- a/activesupport/lib/active_support/core_ext/object/to_param.rb
+++ b/activesupport/lib/active_support/core_ext/object/to_param.rb
@@ -1 +1 @@
-require "active_support/core_ext/object/to_query"
+require_relative "to_query"
diff --git a/activesupport/lib/active_support/core_ext/object/with_options.rb b/activesupport/lib/active_support/core_ext/object/with_options.rb
index 3a44e08630..68a8da25ff 100644
--- a/activesupport/lib/active_support/core_ext/object/with_options.rb
+++ b/activesupport/lib/active_support/core_ext/object/with_options.rb
@@ -1,4 +1,4 @@
-require "active_support/option_merger"
+require_relative "../../option_merger"
 
 class Object
   # An elegant way to factor duplication out of options passed to a series of
diff --git a/activesupport/lib/active_support/core_ext/range.rb b/activesupport/lib/active_support/core_ext/range.rb
index 3190e3ff76..3e17780b76 100644
--- a/activesupport/lib/active_support/core_ext/range.rb
+++ b/activesupport/lib/active_support/core_ext/range.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/range/conversions"
-require "active_support/core_ext/range/include_range"
-require "active_support/core_ext/range/overlaps"
-require "active_support/core_ext/range/each"
+require_relative "range/conversions"
+require_relative "range/include_range"
+require_relative "range/overlaps"
+require_relative "range/each"
diff --git a/activesupport/lib/active_support/core_ext/string.rb b/activesupport/lib/active_support/core_ext/string.rb
index 4cb3200875..b16b35144e 100644
--- a/activesupport/lib/active_support/core_ext/string.rb
+++ b/activesupport/lib/active_support/core_ext/string.rb
@@ -1,13 +1,13 @@
-require "active_support/core_ext/string/conversions"
-require "active_support/core_ext/string/filters"
-require "active_support/core_ext/string/multibyte"
-require "active_support/core_ext/string/starts_ends_with"
-require "active_support/core_ext/string/inflections"
-require "active_support/core_ext/string/access"
-require "active_support/core_ext/string/behavior"
-require "active_support/core_ext/string/output_safety"
-require "active_support/core_ext/string/exclude"
-require "active_support/core_ext/string/strip"
-require "active_support/core_ext/string/inquiry"
-require "active_support/core_ext/string/indent"
-require "active_support/core_ext/string/zones"
+require_relative "string/conversions"
+require_relative "string/filters"
+require_relative "string/multibyte"
+require_relative "string/starts_ends_with"
+require_relative "string/inflections"
+require_relative "string/access"
+require_relative "string/behavior"
+require_relative "string/output_safety"
+require_relative "string/exclude"
+require_relative "string/strip"
+require_relative "string/inquiry"
+require_relative "string/indent"
+require_relative "string/zones"
diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb
index 221b4969cc..383d93e2cd 100644
--- a/activesupport/lib/active_support/core_ext/string/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/string/conversions.rb
@@ -1,5 +1,5 @@
 require "date"
-require "active_support/core_ext/time/calculations"
+require_relative "../time/calculations"
 
 class String
   # Converts a string to a Time value.
diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb
index b27cfe53f4..70c732ca44 100644
--- a/activesupport/lib/active_support/core_ext/string/inflections.rb
+++ b/activesupport/lib/active_support/core_ext/string/inflections.rb
@@ -1,5 +1,5 @@
-require "active_support/inflector/methods"
-require "active_support/inflector/transliterate"
+require_relative "../../inflector/methods"
+require_relative "../../inflector/transliterate"
 
 # String inflections define new methods on the String class to transform names for different purposes.
 # For instance, you can figure out the name of a table from the name of a class.
diff --git a/activesupport/lib/active_support/core_ext/string/inquiry.rb b/activesupport/lib/active_support/core_ext/string/inquiry.rb
index c95d83beae..dfa78b2ff8 100644
--- a/activesupport/lib/active_support/core_ext/string/inquiry.rb
+++ b/activesupport/lib/active_support/core_ext/string/inquiry.rb
@@ -1,4 +1,4 @@
-require "active_support/string_inquirer"
+require_relative "../../string_inquirer"
 
 class String
   # Wraps the current string in the <tt>ActiveSupport::StringInquirer</tt> class,
diff --git a/activesupport/lib/active_support/core_ext/string/multibyte.rb b/activesupport/lib/active_support/core_ext/string/multibyte.rb
index 1c73182259..56a1cede1a 100644
--- a/activesupport/lib/active_support/core_ext/string/multibyte.rb
+++ b/activesupport/lib/active_support/core_ext/string/multibyte.rb
@@ -1,4 +1,4 @@
-require "active_support/multibyte"
+require_relative "../../multibyte"
 
 class String
   # == Multibyte proxy
diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index 94ce3f6a61..607870237b 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -1,6 +1,6 @@
 require "erb"
-require "active_support/core_ext/kernel/singleton_class"
-require "active_support/multibyte/unicode"
+require_relative "../kernel/singleton_class"
+require_relative "../../multibyte/unicode"
 
 class ERB
   module Util
diff --git a/activesupport/lib/active_support/core_ext/string/zones.rb b/activesupport/lib/active_support/core_ext/string/zones.rb
index de5a28e4f7..d8d22a6799 100644
--- a/activesupport/lib/active_support/core_ext/string/zones.rb
+++ b/activesupport/lib/active_support/core_ext/string/zones.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/string/conversions"
-require "active_support/core_ext/time/zones"
+require_relative "conversions"
+require_relative "../time/zones"
 
 class String
   # Converts String to a TimeWithZone in the current zone if Time.zone or Time.zone_default
diff --git a/activesupport/lib/active_support/core_ext/time.rb b/activesupport/lib/active_support/core_ext/time.rb
index b1ae4a45d9..19d4d91dac 100644
--- a/activesupport/lib/active_support/core_ext/time.rb
+++ b/activesupport/lib/active_support/core_ext/time.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/time/acts_like"
-require "active_support/core_ext/time/calculations"
-require "active_support/core_ext/time/compatibility"
-require "active_support/core_ext/time/conversions"
-require "active_support/core_ext/time/zones"
+require_relative "time/acts_like"
+require_relative "time/calculations"
+require_relative "time/compatibility"
+require_relative "time/conversions"
+require_relative "time/zones"
diff --git a/activesupport/lib/active_support/core_ext/time/acts_like.rb b/activesupport/lib/active_support/core_ext/time/acts_like.rb
index cf4b2539c5..08756a2dae 100644
--- a/activesupport/lib/active_support/core_ext/time/acts_like.rb
+++ b/activesupport/lib/active_support/core_ext/time/acts_like.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/acts_like"
+require_relative "../object/acts_like"
 
 class Time
   # Duck-types as a Time-like class. See Object#acts_like?.
diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb
index d3f23f4663..9ba6bf8fa1 100644
--- a/activesupport/lib/active_support/core_ext/time/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/time/calculations.rb
@@ -1,9 +1,9 @@
-require "active_support/duration"
-require "active_support/core_ext/time/conversions"
-require "active_support/time_with_zone"
-require "active_support/core_ext/time/zones"
-require "active_support/core_ext/date_and_time/calculations"
-require "active_support/core_ext/date/calculations"
+require_relative "../../duration"
+require_relative "conversions"
+require_relative "../../time_with_zone"
+require_relative "zones"
+require_relative "../date_and_time/calculations"
+require_relative "../date/calculations"
 
 class Time
   include DateAndTime::Calculations
diff --git a/activesupport/lib/active_support/core_ext/time/compatibility.rb b/activesupport/lib/active_support/core_ext/time/compatibility.rb
index 45e86b77ce..a554e71b74 100644
--- a/activesupport/lib/active_support/core_ext/time/compatibility.rb
+++ b/activesupport/lib/active_support/core_ext/time/compatibility.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/date_and_time/compatibility"
-require "active_support/core_ext/module/remove_method"
+require_relative "../date_and_time/compatibility"
+require_relative "../module/remove_method"
 
 class Time
   include DateAndTime::Compatibility
diff --git a/activesupport/lib/active_support/core_ext/time/conversions.rb b/activesupport/lib/active_support/core_ext/time/conversions.rb
index 595bda6b4f..0dbce99ccb 100644
--- a/activesupport/lib/active_support/core_ext/time/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/time/conversions.rb
@@ -1,5 +1,5 @@
-require "active_support/inflector/methods"
-require "active_support/values/time_zone"
+require_relative "../../inflector/methods"
+require_relative "../../values/time_zone"
 
 class Time
   DATE_FORMATS = {
diff --git a/activesupport/lib/active_support/core_ext/time/zones.rb b/activesupport/lib/active_support/core_ext/time/zones.rb
index 87b5ad903a..ba8b5b73f8 100644
--- a/activesupport/lib/active_support/core_ext/time/zones.rb
+++ b/activesupport/lib/active_support/core_ext/time/zones.rb
@@ -1,6 +1,6 @@
-require "active_support/time_with_zone"
-require "active_support/core_ext/time/acts_like"
-require "active_support/core_ext/date_and_time/zones"
+require_relative "../../time_with_zone"
+require_relative "acts_like"
+require_relative "../date_and_time/zones"
 
 class Time
   include DateAndTime::Zones
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index 3cd8f3d0ac..05b9b5b211 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -2,17 +2,17 @@ require "set"
 require "thread"
 require "concurrent/map"
 require "pathname"
-require "active_support/core_ext/module/aliasing"
-require "active_support/core_ext/module/attribute_accessors"
-require "active_support/core_ext/module/introspection"
-require "active_support/core_ext/module/anonymous"
-require "active_support/core_ext/object/blank"
-require "active_support/core_ext/kernel/reporting"
-require "active_support/core_ext/load_error"
-require "active_support/core_ext/name_error"
-require "active_support/core_ext/string/starts_ends_with"
-require "active_support/dependencies/interlock"
-require "active_support/inflector"
+require_relative "core_ext/module/aliasing"
+require_relative "core_ext/module/attribute_accessors"
+require_relative "core_ext/module/introspection"
+require_relative "core_ext/module/anonymous"
+require_relative "core_ext/object/blank"
+require_relative "core_ext/kernel/reporting"
+require_relative "core_ext/load_error"
+require_relative "core_ext/name_error"
+require_relative "core_ext/string/starts_ends_with"
+require_relative "dependencies/interlock"
+require_relative "inflector"
 
 module ActiveSupport #:nodoc:
   module Dependencies #:nodoc:
diff --git a/activesupport/lib/active_support/dependencies/autoload.rb b/activesupport/lib/active_support/dependencies/autoload.rb
index 13036d521d..9e4d3b783b 100644
--- a/activesupport/lib/active_support/dependencies/autoload.rb
+++ b/activesupport/lib/active_support/dependencies/autoload.rb
@@ -1,4 +1,4 @@
-require "active_support/inflector/methods"
+require_relative "../inflector/methods"
 
 module ActiveSupport
   # Autoload and eager load conveniences for your library.
diff --git a/activesupport/lib/active_support/dependencies/interlock.rb b/activesupport/lib/active_support/dependencies/interlock.rb
index e4e18439c5..b88cf08dd2 100644
--- a/activesupport/lib/active_support/dependencies/interlock.rb
+++ b/activesupport/lib/active_support/dependencies/interlock.rb
@@ -1,4 +1,4 @@
-require "active_support/concurrency/share_lock"
+require_relative "../concurrency/share_lock"
 
 module ActiveSupport #:nodoc:
   module Dependencies #:nodoc:
diff --git a/activesupport/lib/active_support/deprecation.rb b/activesupport/lib/active_support/deprecation.rb
index d1e6502669..eaaf198ccb 100644
--- a/activesupport/lib/active_support/deprecation.rb
+++ b/activesupport/lib/active_support/deprecation.rb
@@ -12,13 +12,13 @@ module ActiveSupport
     # a circular require warning for active_support/deprecation.rb.
     #
     # So, we define the constant first, and load dependencies later.
-    require "active_support/deprecation/instance_delegator"
-    require "active_support/deprecation/behaviors"
-    require "active_support/deprecation/reporting"
-    require "active_support/deprecation/constant_accessor"
-    require "active_support/deprecation/method_wrappers"
-    require "active_support/deprecation/proxy_wrappers"
-    require "active_support/core_ext/module/deprecation"
+    require_relative "deprecation/instance_delegator"
+    require_relative "deprecation/behaviors"
+    require_relative "deprecation/reporting"
+    require_relative "deprecation/constant_accessor"
+    require_relative "deprecation/method_wrappers"
+    require_relative "deprecation/proxy_wrappers"
+    require_relative "core_ext/module/deprecation"
 
     include Singleton
     include InstanceDelegator
diff --git a/activesupport/lib/active_support/deprecation/behaviors.rb b/activesupport/lib/active_support/deprecation/behaviors.rb
index a9a182f212..409f4cf6a6 100644
--- a/activesupport/lib/active_support/deprecation/behaviors.rb
+++ b/activesupport/lib/active_support/deprecation/behaviors.rb
@@ -1,4 +1,4 @@
-require "active_support/notifications"
+require_relative "../notifications"
 
 module ActiveSupport
   # Raised when <tt>ActiveSupport::Deprecation::Behavior#behavior</tt> is set with <tt>:raise</tt>.
@@ -25,7 +25,7 @@ module ActiveSupport
             if defined?(Rails.logger) && Rails.logger
               Rails.logger
             else
-              require "active_support/logger"
+              require_relative "../logger"
               ActiveSupport::Logger.new($stderr)
             end
         logger.warn message
diff --git a/activesupport/lib/active_support/deprecation/constant_accessor.rb b/activesupport/lib/active_support/deprecation/constant_accessor.rb
index 2b19de365f..895b23e8ef 100644
--- a/activesupport/lib/active_support/deprecation/constant_accessor.rb
+++ b/activesupport/lib/active_support/deprecation/constant_accessor.rb
@@ -1,4 +1,4 @@
-require "active_support/inflector/methods"
+require_relative "../inflector/methods"
 
 module ActiveSupport
   class Deprecation
diff --git a/activesupport/lib/active_support/deprecation/instance_delegator.rb b/activesupport/lib/active_support/deprecation/instance_delegator.rb
index 6d390f3b37..23eac0e5d3 100644
--- a/activesupport/lib/active_support/deprecation/instance_delegator.rb
+++ b/activesupport/lib/active_support/deprecation/instance_delegator.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/kernel/singleton_class"
-require "active_support/core_ext/module/delegation"
+require_relative "../core_ext/kernel/singleton_class"
+require_relative "../core_ext/module/delegation"
 
 module ActiveSupport
   class Deprecation
diff --git a/activesupport/lib/active_support/deprecation/method_wrappers.rb b/activesupport/lib/active_support/deprecation/method_wrappers.rb
index 930d71e8d2..ed41e9aaa4 100644
--- a/activesupport/lib/active_support/deprecation/method_wrappers.rb
+++ b/activesupport/lib/active_support/deprecation/method_wrappers.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/module/aliasing"
-require "active_support/core_ext/array/extract_options"
+require_relative "../core_ext/module/aliasing"
+require_relative "../core_ext/array/extract_options"
 
 module ActiveSupport
   class Deprecation
diff --git a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
index ce39e9a232..64aaef3e43 100644
--- a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
+++ b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
@@ -1,5 +1,5 @@
-require "active_support/inflector/methods"
-require "active_support/core_ext/regexp"
+require_relative "../inflector/methods"
+require_relative "../core_ext/regexp"
 
 module ActiveSupport
   class Deprecation
diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb
index 39deb2313f..0ad591e683 100644
--- a/activesupport/lib/active_support/duration.rb
+++ b/activesupport/lib/active_support/duration.rb
@@ -1,8 +1,8 @@
-require "active_support/core_ext/array/conversions"
-require "active_support/core_ext/module/delegation"
-require "active_support/core_ext/object/acts_like"
-require "active_support/core_ext/string/filters"
-require "active_support/deprecation"
+require_relative "core_ext/array/conversions"
+require_relative "core_ext/module/delegation"
+require_relative "core_ext/object/acts_like"
+require_relative "core_ext/string/filters"
+require_relative "deprecation"
 
 module ActiveSupport
   # Provides accurate date and time measurements using Date#advance and
diff --git a/activesupport/lib/active_support/duration/iso8601_parser.rb b/activesupport/lib/active_support/duration/iso8601_parser.rb
index e96cb8e883..78a00b5e4f 100644
--- a/activesupport/lib/active_support/duration/iso8601_parser.rb
+++ b/activesupport/lib/active_support/duration/iso8601_parser.rb
@@ -1,5 +1,5 @@
 require "strscan"
-require "active_support/core_ext/regexp"
+require_relative "../core_ext/regexp"
 
 module ActiveSupport
   class Duration
diff --git a/activesupport/lib/active_support/duration/iso8601_serializer.rb b/activesupport/lib/active_support/duration/iso8601_serializer.rb
index e5d458b3ab..969e1a46c2 100644
--- a/activesupport/lib/active_support/duration/iso8601_serializer.rb
+++ b/activesupport/lib/active_support/duration/iso8601_serializer.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/object/blank"
-require "active_support/core_ext/hash/transform_values"
+require_relative "../core_ext/object/blank"
+require_relative "../core_ext/hash/transform_values"
 
 module ActiveSupport
   class Duration
diff --git a/activesupport/lib/active_support/execution_wrapper.rb b/activesupport/lib/active_support/execution_wrapper.rb
index ca88e7876b..3513e9023c 100644
--- a/activesupport/lib/active_support/execution_wrapper.rb
+++ b/activesupport/lib/active_support/execution_wrapper.rb
@@ -1,4 +1,4 @@
-require "active_support/callbacks"
+require_relative "callbacks"
 
 module ActiveSupport
   class ExecutionWrapper
diff --git a/activesupport/lib/active_support/executor.rb b/activesupport/lib/active_support/executor.rb
index a6400cae0a..4a618d9fa2 100644
--- a/activesupport/lib/active_support/executor.rb
+++ b/activesupport/lib/active_support/executor.rb
@@ -1,4 +1,4 @@
-require "active_support/execution_wrapper"
+require_relative "execution_wrapper"
 
 module ActiveSupport
   class Executor < ExecutionWrapper
diff --git a/activesupport/lib/active_support/file_update_checker.rb b/activesupport/lib/active_support/file_update_checker.rb
index 2b5e3c1350..b9d8740569 100644
--- a/activesupport/lib/active_support/file_update_checker.rb
+++ b/activesupport/lib/active_support/file_update_checker.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/time/calculations"
+require_relative "core_ext/time/calculations"
 
 module ActiveSupport
   # FileUpdateChecker specifies the API used by Rails to watch files
diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb
index 3b185dd86b..6c98960292 100644
--- a/activesupport/lib/active_support/hash_with_indifferent_access.rb
+++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/hash/keys"
-require "active_support/core_ext/hash/reverse_merge"
+require_relative "core_ext/hash/keys"
+require_relative "core_ext/hash/reverse_merge"
 
 module ActiveSupport
   # Implements a hash where keys <tt>:foo</tt> and <tt>"foo"</tt> are considered
diff --git a/activesupport/lib/active_support/i18n.rb b/activesupport/lib/active_support/i18n.rb
index 1a1f1a1257..3f47da3b38 100644
--- a/activesupport/lib/active_support/i18n.rb
+++ b/activesupport/lib/active_support/i18n.rb
@@ -1,13 +1,13 @@
-require "active_support/core_ext/hash/deep_merge"
-require "active_support/core_ext/hash/except"
-require "active_support/core_ext/hash/slice"
+require_relative "core_ext/hash/deep_merge"
+require_relative "core_ext/hash/except"
+require_relative "core_ext/hash/slice"
 begin
   require "i18n"
 rescue LoadError => e
   $stderr.puts "The i18n gem is not available. Please add it to your Gemfile and run bundle install"
   raise e
 end
-require "active_support/lazy_load_hooks"
+require_relative "lazy_load_hooks"
 
 ActiveSupport.run_load_hooks(:i18n)
 I18n.load_path << File.expand_path("locale/en.yml", __dir__)
diff --git a/activesupport/lib/active_support/i18n_railtie.rb b/activesupport/lib/active_support/i18n_railtie.rb
index 51fe6f3418..6809a650cf 100644
--- a/activesupport/lib/active_support/i18n_railtie.rb
+++ b/activesupport/lib/active_support/i18n_railtie.rb
@@ -1,6 +1,6 @@
 require "active_support"
-require "active_support/file_update_checker"
-require "active_support/core_ext/array/wrap"
+require_relative "file_update_checker"
+require_relative "core_ext/array/wrap"
 
 # :enddoc:
 
diff --git a/activesupport/lib/active_support/inflections.rb b/activesupport/lib/active_support/inflections.rb
index afa7d1f325..1b94ce9b1b 100644
--- a/activesupport/lib/active_support/inflections.rb
+++ b/activesupport/lib/active_support/inflections.rb
@@ -1,4 +1,4 @@
-require "active_support/inflector/inflections"
+require_relative "inflector/inflections"
 
 #--
 # Defines the standard inflection rules. These are the starting point for
diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 48631b16a8..a4bd8aaeb4 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -1,7 +1,7 @@
 # in case active_support/inflector is required without the rest of active_support
-require "active_support/inflector/inflections"
-require "active_support/inflector/transliterate"
-require "active_support/inflector/methods"
+require_relative "inflector/inflections"
+require_relative "inflector/transliterate"
+require_relative "inflector/methods"
 
-require "active_support/inflections"
-require "active_support/core_ext/string/inflections"
+require_relative "inflections"
+require_relative "core_ext/string/inflections"
diff --git a/activesupport/lib/active_support/inflector/inflections.rb b/activesupport/lib/active_support/inflector/inflections.rb
index c47a2e34e1..2cb7828968 100644
--- a/activesupport/lib/active_support/inflector/inflections.rb
+++ b/activesupport/lib/active_support/inflector/inflections.rb
@@ -1,7 +1,7 @@
 require "concurrent/map"
-require "active_support/core_ext/array/prepend_and_append"
-require "active_support/core_ext/regexp"
-require "active_support/i18n"
+require_relative "../core_ext/array/prepend_and_append"
+require_relative "../core_ext/regexp"
+require_relative "../i18n"
 
 module ActiveSupport
   module Inflector
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index ff1a0cb8c7..ba85d3bb33 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -1,5 +1,5 @@
-require "active_support/inflections"
-require "active_support/core_ext/regexp"
+require_relative "../inflections"
+require_relative "../core_ext/regexp"
 
 module ActiveSupport
   # The Inflector transforms words from singular to plural, class names to table
diff --git a/activesupport/lib/active_support/inflector/transliterate.rb b/activesupport/lib/active_support/inflector/transliterate.rb
index de6dd2720b..0775ee51bc 100644
--- a/activesupport/lib/active_support/inflector/transliterate.rb
+++ b/activesupport/lib/active_support/inflector/transliterate.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/string/multibyte"
-require "active_support/i18n"
+require_relative "../core_ext/string/multibyte"
+require_relative "../i18n"
 
 module ActiveSupport
   module Inflector
diff --git a/activesupport/lib/active_support/json.rb b/activesupport/lib/active_support/json.rb
index da938d1555..e0a6ab3768 100644
--- a/activesupport/lib/active_support/json.rb
+++ b/activesupport/lib/active_support/json.rb
@@ -1,2 +1,2 @@
-require "active_support/json/decoding"
-require "active_support/json/encoding"
+require_relative "json/decoding"
+require_relative "json/encoding"
diff --git a/activesupport/lib/active_support/json/decoding.rb b/activesupport/lib/active_support/json/decoding.rb
index f487fa0c65..c60ebb2795 100644
--- a/activesupport/lib/active_support/json/decoding.rb
+++ b/activesupport/lib/active_support/json/decoding.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/module/attribute_accessors"
-require "active_support/core_ext/module/delegation"
+require_relative "../core_ext/module/attribute_accessors"
+require_relative "../core_ext/module/delegation"
 require "json"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/json/encoding.rb b/activesupport/lib/active_support/json/encoding.rb
index defaf3f395..e7679e4630 100644
--- a/activesupport/lib/active_support/json/encoding.rb
+++ b/activesupport/lib/active_support/json/encoding.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/object/json"
-require "active_support/core_ext/module/delegation"
+require_relative "../core_ext/object/json"
+require_relative "../core_ext/module/delegation"
 
 module ActiveSupport
   class << self
diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb
index a05758d6aa..2b494e6d6c 100644
--- a/activesupport/lib/active_support/log_subscriber.rb
+++ b/activesupport/lib/active_support/log_subscriber.rb
@@ -1,6 +1,6 @@
-require "active_support/core_ext/module/attribute_accessors"
-require "active_support/core_ext/class/attribute"
-require "active_support/subscriber"
+require_relative "core_ext/module/attribute_accessors"
+require_relative "core_ext/class/attribute"
+require_relative "subscriber"
 
 module ActiveSupport
   # ActiveSupport::LogSubscriber is an object set to consume
diff --git a/activesupport/lib/active_support/log_subscriber/test_helper.rb b/activesupport/lib/active_support/log_subscriber/test_helper.rb
index 953ee77c2a..469e6c6bb4 100644
--- a/activesupport/lib/active_support/log_subscriber/test_helper.rb
+++ b/activesupport/lib/active_support/log_subscriber/test_helper.rb
@@ -1,6 +1,6 @@
-require "active_support/log_subscriber"
-require "active_support/logger"
-require "active_support/notifications"
+require_relative "../log_subscriber"
+require_relative "../logger"
+require_relative "../notifications"
 
 module ActiveSupport
   class LogSubscriber
diff --git a/activesupport/lib/active_support/logger.rb b/activesupport/lib/active_support/logger.rb
index ea09d7d2df..677ec8d5bc 100644
--- a/activesupport/lib/active_support/logger.rb
+++ b/activesupport/lib/active_support/logger.rb
@@ -1,5 +1,5 @@
-require "active_support/logger_silence"
-require "active_support/logger_thread_safe_level"
+require_relative "logger_silence"
+require_relative "logger_thread_safe_level"
 require "logger"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/logger_silence.rb b/activesupport/lib/active_support/logger_silence.rb
index 9c64afaaca..7f85f54542 100644
--- a/activesupport/lib/active_support/logger_silence.rb
+++ b/activesupport/lib/active_support/logger_silence.rb
@@ -1,5 +1,5 @@
-require "active_support/concern"
-require "active_support/core_ext/module/attribute_accessors"
+require_relative "concern"
+require_relative "core_ext/module/attribute_accessors"
 require "concurrent"
 
 module LoggerSilence
diff --git a/activesupport/lib/active_support/logger_thread_safe_level.rb b/activesupport/lib/active_support/logger_thread_safe_level.rb
index 7fb175dea6..405bb239cf 100644
--- a/activesupport/lib/active_support/logger_thread_safe_level.rb
+++ b/activesupport/lib/active_support/logger_thread_safe_level.rb
@@ -1,4 +1,4 @@
-require "active_support/concern"
+require_relative "concern"
 
 module ActiveSupport
   module LoggerThreadSafeLevel # :nodoc:
diff --git a/activesupport/lib/active_support/message_encryptor.rb b/activesupport/lib/active_support/message_encryptor.rb
index e576766c64..2990a3de76 100644
--- a/activesupport/lib/active_support/message_encryptor.rb
+++ b/activesupport/lib/active_support/message_encryptor.rb
@@ -1,7 +1,7 @@
 require "openssl"
 require "base64"
-require "active_support/core_ext/array/extract_options"
-require "active_support/message_verifier"
+require_relative "core_ext/array/extract_options"
+require_relative "message_verifier"
 
 module ActiveSupport
   # MessageEncryptor is a simple way to encrypt values which get stored
diff --git a/activesupport/lib/active_support/message_verifier.rb b/activesupport/lib/active_support/message_verifier.rb
index 8419e858c6..e71dcd3a5b 100644
--- a/activesupport/lib/active_support/message_verifier.rb
+++ b/activesupport/lib/active_support/message_verifier.rb
@@ -1,6 +1,6 @@
 require "base64"
-require "active_support/core_ext/object/blank"
-require "active_support/security_utils"
+require_relative "core_ext/object/blank"
+require_relative "security_utils"
 
 module ActiveSupport
   # +MessageVerifier+ makes it easy to generate and verify messages which are
diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb
index 8c58466556..e4c544d1fa 100644
--- a/activesupport/lib/active_support/multibyte/chars.rb
+++ b/activesupport/lib/active_support/multibyte/chars.rb
@@ -1,8 +1,8 @@
-require "active_support/json"
-require "active_support/core_ext/string/access"
-require "active_support/core_ext/string/behavior"
-require "active_support/core_ext/module/delegation"
-require "active_support/core_ext/regexp"
+require_relative "../json"
+require_relative "../core_ext/string/access"
+require_relative "../core_ext/string/behavior"
+require_relative "../core_ext/module/delegation"
+require_relative "../core_ext/regexp"
 
 module ActiveSupport #:nodoc:
   module Multibyte #:nodoc:
diff --git a/activesupport/lib/active_support/notifications.rb b/activesupport/lib/active_support/notifications.rb
index 37dfdc0422..10e40e04f9 100644
--- a/activesupport/lib/active_support/notifications.rb
+++ b/activesupport/lib/active_support/notifications.rb
@@ -1,6 +1,6 @@
-require "active_support/notifications/instrumenter"
-require "active_support/notifications/fanout"
-require "active_support/per_thread_registry"
+require_relative "notifications/instrumenter"
+require_relative "notifications/fanout"
+require_relative "per_thread_registry"
 
 module ActiveSupport
   # = Notifications
diff --git a/activesupport/lib/active_support/number_helper/number_converter.rb b/activesupport/lib/active_support/number_helper/number_converter.rb
index ce363287cf..f3fed6e88b 100644
--- a/activesupport/lib/active_support/number_helper/number_converter.rb
+++ b/activesupport/lib/active_support/number_helper/number_converter.rb
@@ -1,8 +1,8 @@
-require "active_support/core_ext/big_decimal/conversions"
-require "active_support/core_ext/object/blank"
-require "active_support/core_ext/hash/keys"
-require "active_support/i18n"
-require "active_support/core_ext/class/attribute"
+require_relative "../core_ext/big_decimal/conversions"
+require_relative "../core_ext/object/blank"
+require_relative "../core_ext/hash/keys"
+require_relative "../i18n"
+require_relative "../core_ext/class/attribute"
 
 module ActiveSupport
   module NumberHelper
diff --git a/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb b/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb
index 0f9dce722f..7bd2d4869a 100644
--- a/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb
+++ b/activesupport/lib/active_support/number_helper/number_to_currency_converter.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/numeric/inquiry"
+require_relative "../core_ext/numeric/inquiry"
 
 module ActiveSupport
   module NumberHelper
diff --git a/activesupport/lib/active_support/option_merger.rb b/activesupport/lib/active_support/option_merger.rb
index 0f2caa98f2..9edb0e6cd8 100644
--- a/activesupport/lib/active_support/option_merger.rb
+++ b/activesupport/lib/active_support/option_merger.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/hash/deep_merge"
+require_relative "core_ext/hash/deep_merge"
 
 module ActiveSupport
   class OptionMerger #:nodoc:
diff --git a/activesupport/lib/active_support/ordered_options.rb b/activesupport/lib/active_support/ordered_options.rb
index 04d6dfaf9c..c0f39a392b 100644
--- a/activesupport/lib/active_support/ordered_options.rb
+++ b/activesupport/lib/active_support/ordered_options.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/blank"
+require_relative "core_ext/object/blank"
 
 module ActiveSupport
   # Usually key value pairs are handled something like this:
diff --git a/activesupport/lib/active_support/per_thread_registry.rb b/activesupport/lib/active_support/per_thread_registry.rb
index 02431704d3..1e0d8345a0 100644
--- a/activesupport/lib/active_support/per_thread_registry.rb
+++ b/activesupport/lib/active_support/per_thread_registry.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/module/delegation"
+require_relative "core_ext/module/delegation"
 
 module ActiveSupport
   # NOTE: This approach has been deprecated for end-user code in favor of {thread_mattr_accessor}[rdoc-ref:Module#thread_mattr_accessor] and friends.
diff --git a/activesupport/lib/active_support/rails.rb b/activesupport/lib/active_support/rails.rb
index f6b018f0d3..656af6dee9 100644
--- a/activesupport/lib/active_support/rails.rb
+++ b/activesupport/lib/active_support/rails.rb
@@ -9,25 +9,25 @@
 # Rails and can change anytime.
 
 # Defines Object#blank? and Object#present?.
-require "active_support/core_ext/object/blank"
+require_relative "core_ext/object/blank"
 
 # Rails own autoload, eager_load, etc.
-require "active_support/dependencies/autoload"
+require_relative "dependencies/autoload"
 
 # Support for ClassMethods and the included macro.
-require "active_support/concern"
+require_relative "concern"
 
 # Defines Class#class_attribute.
-require "active_support/core_ext/class/attribute"
+require_relative "core_ext/class/attribute"
 
 # Defines Module#delegate.
-require "active_support/core_ext/module/delegation"
+require_relative "core_ext/module/delegation"
 
 # Defines ActiveSupport::Deprecation.
-require "active_support/deprecation"
+require_relative "deprecation"
 
 # Defines Regexp#match?.
 #
 # This should be removed when Rails needs Ruby 2.4 or later, and the require
 # added where other Regexp extensions are being used (easy to grep).
-require "active_support/core_ext/regexp"
+require_relative "core_ext/regexp"
diff --git a/activesupport/lib/active_support/railtie.rb b/activesupport/lib/active_support/railtie.rb
index 45bc51311b..3377748263 100644
--- a/activesupport/lib/active_support/railtie.rb
+++ b/activesupport/lib/active_support/railtie.rb
@@ -1,5 +1,5 @@
 require "active_support"
-require "active_support/i18n_railtie"
+require_relative "i18n_railtie"
 
 module ActiveSupport
   class Railtie < Rails::Railtie # :nodoc:
@@ -34,14 +34,14 @@ module ActiveSupport
       rescue TZInfo::DataSourceNotFound => e
         raise e.exception "tzinfo-data is not present. Please add gem 'tzinfo-data' to your Gemfile and run bundle install"
       end
-      require "active_support/core_ext/time/zones"
+      require_relative "core_ext/time/zones"
       Time.zone_default = Time.find_zone!(app.config.time_zone)
     end
 
     # Sets the default week start
     # If assigned value is not a valid day symbol (e.g. :sunday, :monday, ...), an exception will be raised.
     initializer "active_support.initialize_beginning_of_week" do |app|
-      require "active_support/core_ext/date/calculations"
+      require_relative "core_ext/date/calculations"
       beginning_of_week_default = Date.find_beginning_of_week!(app.config.beginning_of_week)
 
       Date.beginning_of_week_default = beginning_of_week_default
diff --git a/activesupport/lib/active_support/reloader.rb b/activesupport/lib/active_support/reloader.rb
index 9558146201..a87c82e68a 100644
--- a/activesupport/lib/active_support/reloader.rb
+++ b/activesupport/lib/active_support/reloader.rb
@@ -1,4 +1,4 @@
-require "active_support/execution_wrapper"
+require_relative "execution_wrapper"
 
 module ActiveSupport
   #--
diff --git a/activesupport/lib/active_support/rescuable.rb b/activesupport/lib/active_support/rescuable.rb
index 826832ba7d..06f6a71de4 100644
--- a/activesupport/lib/active_support/rescuable.rb
+++ b/activesupport/lib/active_support/rescuable.rb
@@ -1,6 +1,6 @@
-require "active_support/concern"
-require "active_support/core_ext/class/attribute"
-require "active_support/core_ext/string/inflections"
+require_relative "concern"
+require_relative "core_ext/class/attribute"
+require_relative "core_ext/string/inflections"
 
 module ActiveSupport
   # Rescuable module adds support for easier exception handling.
diff --git a/activesupport/lib/active_support/subscriber.rb b/activesupport/lib/active_support/subscriber.rb
index 2924139755..3a54482c75 100644
--- a/activesupport/lib/active_support/subscriber.rb
+++ b/activesupport/lib/active_support/subscriber.rb
@@ -1,5 +1,5 @@
-require "active_support/per_thread_registry"
-require "active_support/notifications"
+require_relative "per_thread_registry"
+require_relative "notifications"
 
 module ActiveSupport
   # ActiveSupport::Subscriber is an object set to consume
diff --git a/activesupport/lib/active_support/tagged_logging.rb b/activesupport/lib/active_support/tagged_logging.rb
index ad134c49b6..90d096c397 100644
--- a/activesupport/lib/active_support/tagged_logging.rb
+++ b/activesupport/lib/active_support/tagged_logging.rb
@@ -1,7 +1,7 @@
-require "active_support/core_ext/module/delegation"
-require "active_support/core_ext/object/blank"
+require_relative "core_ext/module/delegation"
+require_relative "core_ext/object/blank"
 require "logger"
-require "active_support/logger"
+require_relative "logger"
 
 module ActiveSupport
   # Wraps any standard Logger object to provide tagging capabilities.
diff --git a/activesupport/lib/active_support/test_case.rb b/activesupport/lib/active_support/test_case.rb
index 3de4ccc1da..f2940a176f 100644
--- a/activesupport/lib/active_support/test_case.rb
+++ b/activesupport/lib/active_support/test_case.rb
@@ -1,15 +1,15 @@
 gem "minitest" # make sure we get the gem, not stdlib
 require "minitest"
-require "active_support/testing/tagged_logging"
-require "active_support/testing/setup_and_teardown"
-require "active_support/testing/assertions"
-require "active_support/testing/deprecation"
-require "active_support/testing/declarative"
-require "active_support/testing/isolation"
-require "active_support/testing/constant_lookup"
-require "active_support/testing/time_helpers"
-require "active_support/testing/file_fixtures"
-require "active_support/core_ext/kernel/reporting"
+require_relative "testing/tagged_logging"
+require_relative "testing/setup_and_teardown"
+require_relative "testing/assertions"
+require_relative "testing/deprecation"
+require_relative "testing/declarative"
+require_relative "testing/isolation"
+require_relative "testing/constant_lookup"
+require_relative "testing/time_helpers"
+require_relative "testing/file_fixtures"
+require_relative "core_ext/kernel/reporting"
 
 module ActiveSupport
   class TestCase < ::Minitest::Test
diff --git a/activesupport/lib/active_support/testing/constant_lookup.rb b/activesupport/lib/active_support/testing/constant_lookup.rb
index 647395d2b3..c0b58aba96 100644
--- a/activesupport/lib/active_support/testing/constant_lookup.rb
+++ b/activesupport/lib/active_support/testing/constant_lookup.rb
@@ -1,5 +1,5 @@
-require "active_support/concern"
-require "active_support/inflector"
+require_relative "../concern"
+require_relative "../inflector"
 
 module ActiveSupport
   module Testing
diff --git a/activesupport/lib/active_support/testing/deprecation.rb b/activesupport/lib/active_support/testing/deprecation.rb
index 58911570e8..6ee49530f0 100644
--- a/activesupport/lib/active_support/testing/deprecation.rb
+++ b/activesupport/lib/active_support/testing/deprecation.rb
@@ -1,5 +1,5 @@
-require "active_support/deprecation"
-require "active_support/core_ext/regexp"
+require_relative "../deprecation"
+require_relative "../core_ext/regexp"
 
 module ActiveSupport
   module Testing
diff --git a/activesupport/lib/active_support/testing/setup_and_teardown.rb b/activesupport/lib/active_support/testing/setup_and_teardown.rb
index 358c79c321..c39f3bac2b 100644
--- a/activesupport/lib/active_support/testing/setup_and_teardown.rb
+++ b/activesupport/lib/active_support/testing/setup_and_teardown.rb
@@ -1,5 +1,5 @@
-require "active_support/concern"
-require "active_support/callbacks"
+require_relative "../concern"
+require_relative "../callbacks"
 
 module ActiveSupport
   module Testing
diff --git a/activesupport/lib/active_support/testing/time_helpers.rb b/activesupport/lib/active_support/testing/time_helpers.rb
index 3d9ff99729..4db7065ddf 100644
--- a/activesupport/lib/active_support/testing/time_helpers.rb
+++ b/activesupport/lib/active_support/testing/time_helpers.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/string/strip" # for strip_heredoc
-require "active_support/core_ext/time/calculations"
+require_relative "../core_ext/string/strip" # for strip_heredoc
+require_relative "../core_ext/time/calculations"
 require "concurrent/map"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/time.rb b/activesupport/lib/active_support/time.rb
index 7658228ca6..bc5f0177e2 100644
--- a/activesupport/lib/active_support/time.rb
+++ b/activesupport/lib/active_support/time.rb
@@ -7,12 +7,12 @@ end
 require "date"
 require "time"
 
-require "active_support/core_ext/time"
-require "active_support/core_ext/date"
-require "active_support/core_ext/date_time"
+require_relative "core_ext/time"
+require_relative "core_ext/date"
+require_relative "core_ext/date_time"
 
-require "active_support/core_ext/integer/time"
-require "active_support/core_ext/numeric/time"
+require_relative "core_ext/integer/time"
+require_relative "core_ext/numeric/time"
 
-require "active_support/core_ext/string/conversions"
-require "active_support/core_ext/string/zones"
+require_relative "core_ext/string/conversions"
+require_relative "core_ext/string/zones"
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb
index ecb9fb6785..67d4a8683b 100644
--- a/activesupport/lib/active_support/time_with_zone.rb
+++ b/activesupport/lib/active_support/time_with_zone.rb
@@ -1,7 +1,7 @@
-require "active_support/duration"
-require "active_support/values/time_zone"
-require "active_support/core_ext/object/acts_like"
-require "active_support/core_ext/date_and_time/compatibility"
+require_relative "duration"
+require_relative "values/time_zone"
+require_relative "core_ext/object/acts_like"
+require_relative "core_ext/date_and_time/compatibility"
 
 module ActiveSupport
   # A Time-like class that can represent a time in any time zone. Necessary
diff --git a/activesupport/lib/active_support/values/time_zone.rb b/activesupport/lib/active_support/values/time_zone.rb
index 96a541a4ef..0659b39981 100644
--- a/activesupport/lib/active_support/values/time_zone.rb
+++ b/activesupport/lib/active_support/values/time_zone.rb
@@ -1,6 +1,6 @@
 require "tzinfo"
 require "concurrent/map"
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/object/blank"
 
 module ActiveSupport
   # The TimeZone class serves as a wrapper around TZInfo::Timezone instances.
diff --git a/activesupport/lib/active_support/xml_mini.rb b/activesupport/lib/active_support/xml_mini.rb
index 782fb41288..14725ffd64 100644
--- a/activesupport/lib/active_support/xml_mini.rb
+++ b/activesupport/lib/active_support/xml_mini.rb
@@ -1,9 +1,9 @@
 require "time"
 require "base64"
 require "bigdecimal"
-require "active_support/core_ext/module/delegation"
-require "active_support/core_ext/string/inflections"
-require "active_support/core_ext/date_time/calculations"
+require_relative "core_ext/module/delegation"
+require_relative "core_ext/string/inflections"
+require_relative "core_ext/date_time/calculations"
 
 module ActiveSupport
   # = XmlMini
@@ -197,7 +197,7 @@ module ActiveSupport
         if name.is_a?(Module)
           name
         else
-          require "active_support/xml_mini/#{name.downcase}"
+          require_relative "xml_mini/#{name.downcase}"
           ActiveSupport.const_get("XmlMini_#{name}")
         end
       end
diff --git a/activesupport/lib/active_support/xml_mini/jdom.rb b/activesupport/lib/active_support/xml_mini/jdom.rb
index a7939b3185..331d9960e7 100644
--- a/activesupport/lib/active_support/xml_mini/jdom.rb
+++ b/activesupport/lib/active_support/xml_mini/jdom.rb
@@ -3,7 +3,7 @@ raise "JRuby is required to use the JDOM backend for XmlMini" unless RUBY_PLATFO
 require "jruby"
 include Java
 
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/object/blank"
 
 java_import javax.xml.parsers.DocumentBuilder unless defined? DocumentBuilder
 java_import javax.xml.parsers.DocumentBuilderFactory unless defined? DocumentBuilderFactory
diff --git a/activesupport/lib/active_support/xml_mini/libxml.rb b/activesupport/lib/active_support/xml_mini/libxml.rb
index d849cdfa6b..e78f7f7ed4 100644
--- a/activesupport/lib/active_support/xml_mini/libxml.rb
+++ b/activesupport/lib/active_support/xml_mini/libxml.rb
@@ -1,5 +1,5 @@
 require "libxml"
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/object/blank"
 require "stringio"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/xml_mini/libxmlsax.rb b/activesupport/lib/active_support/xml_mini/libxmlsax.rb
index f3d485da2f..ab5fd5568d 100644
--- a/activesupport/lib/active_support/xml_mini/libxmlsax.rb
+++ b/activesupport/lib/active_support/xml_mini/libxmlsax.rb
@@ -1,5 +1,5 @@
 require "libxml"
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/object/blank"
 require "stringio"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/xml_mini/nokogiri.rb b/activesupport/lib/active_support/xml_mini/nokogiri.rb
index 63466c08b2..7ac11a9a89 100644
--- a/activesupport/lib/active_support/xml_mini/nokogiri.rb
+++ b/activesupport/lib/active_support/xml_mini/nokogiri.rb
@@ -4,7 +4,7 @@ rescue LoadError => e
   $stderr.puts "You don't have nokogiri installed in your application. Please add it to your Gemfile and run bundle install"
   raise e
 end
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/object/blank"
 require "stringio"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/xml_mini/nokogirisax.rb b/activesupport/lib/active_support/xml_mini/nokogirisax.rb
index 54e15e6a5f..804d317033 100644
--- a/activesupport/lib/active_support/xml_mini/nokogirisax.rb
+++ b/activesupport/lib/active_support/xml_mini/nokogirisax.rb
@@ -4,7 +4,7 @@ rescue LoadError => e
   $stderr.puts "You don't have nokogiri installed in your application. Please add it to your Gemfile and run bundle install"
   raise e
 end
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/object/blank"
 require "stringio"
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/xml_mini/rexml.rb b/activesupport/lib/active_support/xml_mini/rexml.rb
index 03fa910fa5..8ede0502d3 100644
--- a/activesupport/lib/active_support/xml_mini/rexml.rb
+++ b/activesupport/lib/active_support/xml_mini/rexml.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/kernel/reporting"
-require "active_support/core_ext/object/blank"
+require_relative "../core_ext/kernel/reporting"
+require_relative "../core_ext/object/blank"
 require "stringio"
 
 module ActiveSupport