nobu	2015-06-01 18:46:41 +0900 (Mon, 01 Jun 2015)

  New Revision: 50714

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50714

  Log:
    mkmf.rb: logging pkg_config
    
    * lib/mkmf.rb (pkg_config): log executing command and its results.

  Modified files:
    trunk/lib/mkmf.rb
Index: lib/mkmf.rb
===================================================================
--- lib/mkmf.rb	(revision 50713)
+++ lib/mkmf.rb	(revision 50714)
@@ -1791,7 +1791,8 @@ SRC https://github.com/ruby/ruby/blob/trunk/lib/mkmf.rb#L1791
       # default to pkg-config command
       pkgconfig = $PKGCONFIG
       get = proc {|opt|
-        opt = IO.popen("#{$PKGCONFIG} --#{opt} #{pkg}", err:[:child, :out], &:read)
+        opt = xpopen("#{$PKGCONFIG} --#{opt} #{pkg}", err:[:child, :out], &:read)
+        Logging.open {puts opt.each_line.map{|s|"=> #{s.inspect}"}}
         opt.strip if $?.success?
       }
     elsif find_executable0(pkgconfig = "#{pkg}-config")
@@ -1801,7 +1802,8 @@ SRC https://github.com/ruby/ruby/blob/trunk/lib/mkmf.rb#L1802
     end
     if pkgconfig
       get ||= proc {|opt|
-        opt = IO.popen("#{pkgconfig} --#{opt}", err:[:child, :out], &:read)
+        opt = xpopen("#{pkgconfig} --#{opt}", err:[:child, :out], &:read)
+        Logging.open {puts opt.each_line.map{|s|"=> #{s.inspect}"}}
         opt.strip if $?.success?
       }
     end

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