ngoto	2018-05-12 00:46:21 +0900 (Sat, 12 May 2018)

  New Revision: 63398

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63398

  Log:
    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]

  Modified files:
    trunk/lib/mkmf.rb
Index: lib/mkmf.rb
===================================================================
--- lib/mkmf.rb	(revision 63397)
+++ lib/mkmf.rb	(revision 63398)
@@ -1982,6 +1982,7 @@ cxxflags = #{CONFIG['cxxflags']} https://github.com/ruby/ruby/blob/trunk/lib/mkmf.rb#L1982
 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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