nobu	2017-05-15 20:16:27 +0900 (Mon, 15 May 2017)

  New Revision: 58730

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58730

  Log:
    configure.in: negative time_t for mingw
    
    * configure.in: mingw also uses MSVCRT accepts negative time_t.
      c.f. r58681.

  Modified files:
    trunk/configure.in
Index: configure.in
===================================================================
--- configure.in	(revision 58729)
+++ configure.in	(revision 58730)
@@ -1318,6 +1318,7 @@ main() https://github.com/ruby/ruby/blob/trunk/configure.in#L1318
 		    ac_cv_func_round=no
 		])
 		ac_cv_func_tgamma=no
+		rb_cv_negative_time_t=yes
 		AC_CHECK_TYPE([NET_LUID], [], [],
 			      [@%:@include <winsock2.h>
 			      @%:@include <iphlpapi.h>])

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