diff --git a/make/mavericks/tasks.rb b/make/mavericks/tasks.rb
index b614f102..ca7b88ec 100644
--- a/make/mavericks/tasks.rb
+++ b/make/mavericks/tasks.rb
@@ -93,9 +93,11 @@ class MakeDarwin
   class << self
     def copy_ext xdir, libdir
       #puts "Build #{xdir}"
-    Dir.chdir(xdir) do
-         extcnf = (File.exists? "#{TGT_ARCH}-extconf.rb") ? "#{TGT_ARCH}-extconf.rb" : 'extconf.rb'
-         `ruby #{extcnf}; make`
+      Dir.chdir(xdir) do
+        extcnf = (File.exists? "#{TGT_ARCH}-extconf.rb") ? "#{TGT_ARCH}-extconf.rb" : 'extconf.rb'
+        unless system "ruby", "#{extcnf}" and system "make"
+          raise "Extension build failed"
+        end
       end
       copy_files "#{xdir}/*.bundle", libdir   
     end
diff --git a/make/win7/env.rb b/make/win7/env.rb
index 9df669d9..ae63b48e 100644
--- a/make/win7/env.rb
+++ b/make/win7/env.rb
@@ -1,5 +1,5 @@
 require "devkit"
-cf =(ENV['ENV_CUSTOM'] || "win7_custom.yaml")
+cf =(ENV['ENV_CUSTOM'] || "win7-custom.yaml")
 if File.exists? cf
   custmz = YAML.load_file(cf)
   ShoesDeps = custmz['Deps']
diff --git a/make/win7/tasks.rb b/make/win7/tasks.rb
index e1e7f8d1..4615ba72 100644
--- a/make/win7/tasks.rb
+++ b/make/win7/tasks.rb
@@ -168,7 +168,8 @@ class MakeMinGW
   class << self
     def copy_ext xdir, libdir
       Dir.chdir(xdir) do
-        unless system "ruby", "extconf.rb" and system "make"
+        extcnf = (File.exists? "#{TGT_ARCH}-extconf.rb") ? "#{TGT_ARCH}-extconf.rb" : 'extconf.rb'
+        unless system "ruby", "#{extcnf}" and system "make"
           raise "Extension build failed"
         end
       end
diff --git a/req/chipmunk/ext/chipmunk/win7-extconf.rb b/req/chipmunk/ext/chipmunk/win7-extconf.rb
new file mode 100644
index 00000000..cd0907d5
--- /dev/null
+++ b/req/chipmunk/ext/chipmunk/win7-extconf.rb
@@ -0,0 +1,7 @@
+
+require 'mkmf'
+
+CONFIG['CC']=ENV['CC'] if ENV['CC']
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+
+create_makefile('chipmunk')
diff --git a/req/ftsearch/ext/ftsearchrt/win7-extconf.rb b/req/ftsearch/ext/ftsearchrt/win7-extconf.rb
new file mode 100644
index 00000000..46c89754
--- /dev/null
+++ b/req/ftsearch/ext/ftsearchrt/win7-extconf.rb
@@ -0,0 +1,8 @@
+
+require 'mkmf'
+# update the CONFIG with the correct values. RbConfig won't work 
+# for cross compiling. This is a bit heavy handed. 
+CONFIG['CC']=ENV['CC'] if ENV['CC']
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-return-type'
+create_makefile('ftsearchrt')
diff --git a/req/hpricot/ext/fast_xs/win7-extconf.rb b/req/hpricot/ext/fast_xs/win7-extconf.rb
new file mode 100644
index 00000000..04c4c704
--- /dev/null
+++ b/req/hpricot/ext/fast_xs/win7-extconf.rb
@@ -0,0 +1,11 @@
+
+require 'mkmf'
+
+CONFIG['CC']=ENV['CC'] if ENV['CC']
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-function'
+
+#have_header('stdio.h') or exit
+dir_config('fast_xs')
+create_makefile('fast_xs')
+#abort "in fast_xs CC = #{CONFIG['CC']}"
diff --git a/req/hpricot/ext/hpricot_scan/win7-extconf.rb b/req/hpricot/ext/hpricot_scan/win7-extconf.rb
new file mode 100644
index 00000000..444fc186
--- /dev/null
+++ b/req/hpricot/ext/hpricot_scan/win7-extconf.rb
@@ -0,0 +1,10 @@
+
+require 'mkmf'
+
+CONFIG['CC']=ENV['CC'] if ENV['CC']
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-function -Wno-uninitialized -Wno-extra'
+
+dir_config("hpricot_scan")
+#have_library("c", "main")
+create_makefile("hpricot_scan")
diff --git a/req/sqlite3/ext/sqlite3/win7-extconf.rb b/req/sqlite3/ext/sqlite3/win7-extconf.rb
new file mode 100644
index 00000000..cdda3959
--- /dev/null
+++ b/req/sqlite3/ext/sqlite3/win7-extconf.rb
@@ -0,0 +1,58 @@
+RbConfig::CONFIG['CC'] = ENV['CC'] if ENV['CC']
+    
+
+puts "Loading sqlite3 mkmf"
+require 'mkmf'
+
+CONFIG['CC']=ENV['CC'] if ENV['CC']
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math '
+
+
+# :stopdoc:
+#RbConfig::CONFIG['CC'] = ENV['CC'] if ENV['CC'] # for compiling tests.
+#RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
+
+# --with-sqlite3-{dir,include,lib}
+
+dir_config("sqlite3","#{ENV['ShoesDeps']}/include", ["#{ENV['ShoesDeps']}/bin"]) 
+
+
+if RbConfig::CONFIG["host_os"] =~ /mswin/
+  $CFLAGS << ' -W3'
+end
+
+def asplode missing
+  if RUBY_PLATFORM =~ /mingw|mswin/
+    abort "#{missing} is missing. Install SQLite3 from " +
+          "http://www.sqlite.org/ first."
+  else
+    abort <<-error
+#{missing} is missing. Try 'port install sqlite3 +universal',
+'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
+and check your shared library search path (the
+location where your sqlite3 shared library is located).
+    error
+  end
+end
+
+asplode('sqlite3.h')  unless find_header  'sqlite3.h'
+asplode('sqlite3') unless find_library 'sqlite3', 'sqlite3_libversion_number'
+
+# Functions defined in 1.9 but not 1.8
+have_func('rb_proc_arity')
+
+# Functions defined in 2.1 but not 2.0
+have_func('rb_integer_pack')
+
+# These functions may not be defined
+have_func('sqlite3_initialize')
+have_func('sqlite3_backup_init')
+have_func('sqlite3_column_database_name')
+have_func('sqlite3_enable_load_extension')
+have_func('sqlite3_load_extension')
+have_func('sqlite3_open_v2')
+have_func('sqlite3_prepare_v2')
+have_type('sqlite3_int64', 'sqlite3.h')
+have_type('sqlite3_uint64', 'sqlite3.h')
+
+create_makefile('sqlite3/sqlite3_native')