gdb/

	Add a new variable that controls a way in which filenames are
	displayed.
	* NEWS (set filename-display): New entry.
	* source.c (filename_display_basename, filename_display_relative)
	(filename_display_absolute, filename_display_kind_names)
	(filename_display_string, show_filename_display_string)
	(symtab_to_filename_for_display): New.
	(_initialize_source): Added initialization of 'filename-display'
	variable.
	* source.h (symtab_to_filename_for_display): Added declaration.
	* stack.c (print_frame): Added new variable and calling of a new
	function and condition with this variable. Changed third argument of
	calling of a function.

gdb/doc/
	* gdb.texinfo (Backtrace): Added description of 'filename-display'
	variable in 'set/show backtrace' section.

gdb/testsuite/
	* gdb.dwarf2/dw2-dir-file-name.exp: New file.
	* gdb.dwarf2/dw2-dir-file-name.c: New file.

1 files changed, 5 insertions, 0 deletions

diff --git a/gdb/NEWS b/gdb/NEWS
index 539ceb9..dd4c40a 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -115,6 +115,11 @@ show print type typedefs
   Control whether typedef definitions are displayed by "ptype".
   The default is to show them.
 
+set filename-display basename|relative|absolute
+show filename-display
+  Control the way in which filenames is displayed.
+  The default is "relative", which preserves previous behavior.
+
 * MI changes
 
   ** Command parameter changes are now notified using new async record