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3666a048 | 1 | # Copyright 2012-2021 Free Software Foundation, Inc. |
f3525b70 PA |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # Make the boards under testsuite/boards automatically available to | |
17 | # DejaGnu. This is sourced by the `site.exp' file generated in the | |
18 | # root of the testsuite's build directory. | |
19 | ||
20 | # Append GDB's boards dir to DejaGnu's board dir list, making sure | |
21 | # that that is the last boards dir in the list, so that boards found | |
22 | # in directories appended to the list by either the global config | |
23 | # site.exp, or in `$(dirname $DEJAGNU)/boards' override GDB's boards. | |
24 | # Unfortunately, there's no standard way to get that behavior. To | |
25 | # make it happen, we trace all writes to the $boards_dirs global, and | |
26 | # make sure our dir is always the last in the list. This relies on | |
27 | # the fact that DejaGnu always writes to this variable, even if just | |
28 | # to set it to the empty list, which it does. | |
29 | # | |
30 | proc append_gdb_boards_dir { name1 name2 op } { | |
31 | global srcdir | |
32 | global boards_dir | |
33 | ||
34 | # In case someone wants to point at GDB's boards dir in the global | |
35 | # config before some other board dir, in which case we should not | |
36 | # push it to the end of the list, use an unlikely path to GDB's | |
37 | # boards, so it compares different to other simpler but equivalent | |
38 | # paths. | |
39 | set gdb_boards_dir "${srcdir}/boards/../boards" | |
40 | ||
41 | # Keep our board dir last in the list. | |
42 | set idx [lsearch -exact $boards_dir "$gdb_boards_dir"] | |
43 | if { $idx >= 0 } { | |
44 | set boards_dir [lreplace $boards_dir $idx $idx] | |
45 | } | |
46 | lappend boards_dir "${gdb_boards_dir}" | |
47 | } | |
48 | trace variable "boards_dir" w append_gdb_boards_dir |