extconf.rb in ruby-mpfi-0.0.8

- old
+ new

@@ -1,6 +1,7 @@
 require 'mkmf'
+require "extconf_task/mkmf_utils"
 
 i = 0
 while i < ARGV.size
   case ARGV[i]
   when '--ldflags'
@@ -18,18 +19,9 @@
 
 dir_config("mpfr")
 dir_config("mpfi")
 dir_config("gmp")
 if have_header('mpfr.h') && have_library('mpfr') && have_header('gmp.h') && have_library('gmp')
-  ruby_mpfr_header_dir = nil
-  begin
-    require "rubygems"
-    spec = Gem::Specification.find_by_name("ruby-mpfr")
-    ruby_mpfr_header_dir = File.join(spec.full_gem_path, 'ext/mpfr')
-  rescue LoadError
-  end
-  unless find_header("ruby_mpfr.h", ruby_mpfr_header_dir)
-    header_not_found("ruby_mpfr.h")
-  end
+  find_header_in_gem("ruby_mpfr.h", "ruby-mpfr")
   find_header("ruby_mpfi.h", File.join(File.dirname(__FILE__), "../../mpfi"))
   create_makefile("mpfi/complex")
 end