nobu	2015-02-12 11:04:17 +0900 (Thu, 12 Feb 2015)

  New Revision: 49573

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49573

  Log:
    configure.in: no redundant library path
    
    * configure.in (LDFLAGS): exclude /usr/lib from appendant library
      path list, which should be redundant.

  Modified files:
    trunk/configure.in
Index: configure.in
===================================================================
--- configure.in	(revision 49572)
+++ configure.in	(revision 49573)
@@ -1007,7 +1007,7 @@ AS_CASE(["$target_os"], https://github.com/ruby/ruby/blob/trunk/configure.in#L1007
 		    AC_DEFINE(BROKEN_SETREUID, 1)
 		    AC_DEFINE(BROKEN_SETREGID, 1)
 		fi
-		incs=`$CC -v -E -xc - < /dev/null 2>&1 | sed -n '1,/^@%:@include </d;s/^ *//;s|/include$|/lib|p'`
+		incs=`$CC -v -E -xc - < /dev/null 2>&1 | sed ['1,/^@%:@include </d;s/^ *//;s|[^./][^/]*/\.\./||g;/\/include$/!d;s||/lib|;/\/usr\/lib/d']`
 		for d in `$CC -print-search-dirs | sed -e '/^libraries: */!d;s///' | tr : '\012' | fgrep -v /../ | sed -n 's|^\(/.*/lib\)/$|\1|p'`; do
 		    incs=`echo "$incs" | fgrep -v "$d"`
 		done

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