From 5cc2ac98a93c74a75d7fc3a773193d288906cdc4 Mon Sep 17 00:00:00 2001
From: ngoto <ngoto@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 11 May 2018 15:46:21 +0000
Subject: mkmf.rb: set cppflags

* ext/mkmf.rb (configuration): set the default cppflags, which is
  referred from the default CPPFLAGS, for extension libraries.
  This fixes build failure of ext/zlib on Solaris 10.
  [Bug #14746] [ruby-dev:50539]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63398 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 63cb6182e2..b035670466 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1982,6 +1982,7 @@ cxxflags = #{CONFIG['cxxflags']}
 optflags = #{CONFIG['optflags']}
 debugflags = #{CONFIG['debugflags']}
 warnflags = #{$warnflags}
+cppflags = #{CONFIG['cppflags']}
 CCDLFLAGS = #{$static ? '' : CONFIG['CCDLFLAGS']}
 CFLAGS   = $(CCDLFLAGS) #$CFLAGS $(ARCH_FLAG)
 INCFLAGS = -I. #$INCFLAGS
-- 
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