patch, test suite fails to run valgrind

[Dmitry Goncharov]

Good morning.

The test suite fails to run valgrind with an error message like the following.


$ ./run_make_tests -memcheck -make_path ../l64/make

features/archives ....................................... ok     (12 passed)
features/comments .......................................
*** Test died (features/comments): Command failed: exec: Cannot execute 
valgrind --log-fd=4 --num-callers=15 --tool=memcheck --leak-check=full 
--suppressions=guile.supp /home/dgoncharov/src/gmake/make/tests/../l64/make

This happens because _run_with_timeout attempts to exec an array, while exec 
expects a list.

regards, Dmitry

diff --git a/tests/test_driver.pl b/tests/test_driver.pl
index 1bb98ba..511a43f 100644
--- a/tests/test_driver.pl
+++ b/tests/test_driver.pl
@@ -1008,7 +1008,7 @@ sub _run_with_timeout
   } else {
     my $pid = fork();
     if (! $pid) {
-      exec(@_) or die "exec: Cannot execute $_[0]\n";
+      exec("@_") or die "exec: Cannot execute $_[0]: $!\n";
     }
     local $SIG{ALRM} = sub {
       my $e = $ERRSTACK[0];