extconf.rb in nfc-3.0.0

- old
+ new
@@ -1,22 +1,16 @@
-ENV['RC_ARCHS'] = '' if RUBY_PLATFORM =~ /darwin/
-
 # :stopdoc:
 
 require 'mkmf'
 
-LIBDIR      = Config::CONFIG['libdir']
-INCLUDEDIR  = Config::CONFIG['includedir']
-HEADER_DIRS = [ '/usr/local/include', INCLUDEDIR, '/usr/include', ]
-LIB_DIRS    = [ '/usr/local/lib', LIBDIR, '/usr/lib', ]
+dir_config 'libnfc'
+pkg_config 'libnfc'
 
-nfc_dirs = dir_config('nfc', HEADER_DIRS, LIB_DIRS)
-
 unless find_header('nfc/nfc.h')
   abort "libnfc is missing.  please install libnfc: http://libnfc.org/"
 end
 
-unless find_library('nfc', 'nfc_connect')
+unless find_library('nfc', 'nfc_init')
   abort "libnfc is missing.  please install libnfc: http://libnfc.org/"
 end
 
 create_makefile('nfc/nfc')
 