Issue #2531 has been updated by Luis Lavena.

File Makefile added
File mkmf.log added

Additional information.

1.8.7-p249 fails when compiling DL

Please find attached the mkmf.log and the generated Makefile of DL extconf.
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http://redmine.ruby-lang.org/issues/show/2531

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http://redmine.ruby-lang.org