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[patch] [testsuite] Fix running in-src-dir in the same directory twice


Hi,

./configure; make; cd gdb; make check; make check
->
Running ./gdb.base/argv0-symlink-dirlink/a2-run.exp ...
Running ./gdb.base/argv0-symlink-dirlink/advance.exp ...
Running ./gdb.base/argv0-symlink-dirlink/argv0-symlink-dirlink/a2-run.exp ...
Running ./gdb.base/argv0-symlink-dirlink/argv0-symlink-dirlink/advance.exp ...
Running ./gdb.base/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/argv0-symlink-dirlink/double-prompt-target-event-error.exp ...

particularly I was testing it with:
cp -a testsuite/ testsuite-clean;make -C testsuite/ -k -j1 check;cp -a testsuite/ testsuite-pass1;make -C testsuite/ -k -j1 check;cp -a testsuite/ testsuite-pass2

(The second run still has many FAILs due to deleted source files but that is
a different patch going to be posted.)


Thanks,
Jan
gdb/testsuite/
2014-08-28  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Fix running in-src-dir testsuite in the same directory twice.
	* gdb.base/argv0-symlink.exp: Delete $dirlink.

diff --git a/gdb/testsuite/gdb.base/argv0-symlink.exp b/gdb/testsuite/gdb.base/argv0-symlink.exp
index d849b4c..39aab9c 100644
--- a/gdb/testsuite/gdb.base/argv0-symlink.exp
+++ b/gdb/testsuite/gdb.base/argv0-symlink.exp
@@ -59,6 +59,7 @@ set dirlink "${testfile}-dirlink"
 remote_exec host "rm -f [standard_output_file $dirlink]"
 set status [remote_exec host "ln -sf . [standard_output_file $dirlink]"]
 if {[lindex $status 0] != 0} {
+    remote_exec host "rm -f [standard_output_file $dirlink]"
     unsupported "$test (host does not support symbolic links)"
     return 0
 }
@@ -66,6 +67,7 @@ if {[lindex $status 0] != 0} {
 clean_restart "$dirlink/$filelink"
 
 if ![runto_main] {
+    remote_exec host "rm -f [standard_output_file $dirlink]"
     untested "could not run to main"
     return -1
 }
@@ -79,3 +81,8 @@ if ![is_remote target] {
 }
 gdb_test {print argv[0]} "/$dirlink/$filelink\"" $test
 gdb_test "info inferiors" "/$lastdir/$filelink *" "$test for info inferiors"
+
+# Stale directory symlink would deadlock runtest:
+# Running ./gdb.base/argv0-symlink-dirlink/a2-run.exp ...
+# Running ./gdb.base/argv0-symlink-dirlink/argv0-symlink-dirlink/a2-run.exp ...
+remote_exec host "rm -f [standard_output_file $dirlink]"

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