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http://sourceware.org/ml/gdb-cvs/2013-04/msg00110.html
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### src/gdb/ChangeLog	2013/04/11 14:13:42	1.15398
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### src/gdb/ChangeLog	2013/04/11 16:53:01	1.15399
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## -22,6 +22,9 @@
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 	* gcore.in: ... here.  Remove gcore.sh comment.  Use GDB_TRANSFORM_NAME
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 	and GCORE_TRANSFORM_NAME substitutions.
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+	Fix parsing tabs in ${gdb_target_obs}.
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+	* configure.tgt (gdb_have_gcore): Replace case with for and if.
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+
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 2013-04-11  Jan Kratochvil  <jan.kratochvil@redhat.com>
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 	* remote.c (unpush_and_perror): Add output message final dot.
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--- src/gdb/configure.tgt	2013/04/11 14:13:43	1.273
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+++ src/gdb/configure.tgt	2013/04/11 16:53:01	1.274
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@@ -707,11 +707,9 @@
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 # Check whether this target supports gcore.
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 # Such target has to call set_gdbarch_find_memory_regions.
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-case " ${gdb_target_obs} " in
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-  *" linux-tdep.o "*)
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+gdb_have_gcore=false
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+for t in x ${gdb_target_obs}; do
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+  if test "$t" = linux-tdep.o; then
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     gdb_have_gcore=true
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-    ;;
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-  *)
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-    gdb_have_gcore=false
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-    ;;
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-esac
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+  fi
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+done