From d9d0594a1a771de685cd4ebd4ec52ff7b39f246f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 1 Jun 2015 09:46:41 +0000
Subject: [PATCH] mkmf.rb: logging pkg_config

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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50714 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 0f588a56ee..be9b06ca51 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1791,7 +1791,8 @@ SRC
       # 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
     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