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'
@@ -17,21 +18,10 @@
 dir_config('mpfr')
 dir_config('mpfi')
 dir_config('gmp')
 
 if have_header('mpfr.h') && have_library('mpfr') && have_header('mpfi.h') && have_library('mpfi') && have_header('gmp.h') && have_library('gmp')
-  ruby_mpfr_dir = nil
-  begin
-    require "rubygems"
-    spec = Gem::Specification.find_by_name("ruby-mpfr")
-    ruby_mpfr_dir = File.join(spec.full_gem_path, 'ext')
-  rescue LoadError
-  end
-  unless find_header("ruby_mpfr.h", File.join(ruby_mpfr_dir, 'mpfr'))
-    header_not_found("ruby_mpfr.h")
-  end
-  unless find_header("ruby_mpfr_matrix.h", File.join(ruby_mpfr_dir, 'mpfr_matrix/mpfr'))
-    header_not_found("ruby_mpfr_matrix.h")
-  end
+  find_header_in_gem("ruby_mpfr.h", "ruby-mpfr")
+  find_header_in_gem("ruby_mpfr_matrix.h", "ruby-mpfr")
   find_header("ruby_mpfi.h", File.join(File.dirname(__FILE__), "../../mpfi"))
   create_makefile("mpfi/matrix")
 end