Update to rra-c-util 7.2 and C TAP Harness 4.3

Update to rra-c-util 7.2:

* Improve configure output for krb5-config testing.
* Define UINT32_MAX for systems that don't have it.
* Add SPDX-License-Identifier headers to all substantial source files.
* Fix new warnings from GCC 7 and Clang warnings.
* Require Test::Strict 0.25 or later to run those tests.
* Fix off-by-one error in return-value checks for snprintf.
* Use Autoconf to probe for supported warning flags.
* Fix running module-version-t -u with current versions of Perl.
* Use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.

Update to C TAP Harness 4.3:

* Add support for valgrind and libtool in test lists.
* Report test failures as left and right, not wanted and expected.
* Fix string comparisons with NULL pointers and the string "(null)".
* Add SPDX-License-Identifier headers to all substantial source files.
* Avoid zero-length realloc allocations in breallocarray.
* Fix new warnings from GCC 7 and Clang warnings.
* Use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.

3 files changed, 23 insertions, 11 deletions

diff --git a/tests/perl/minimum-version-t b/tests/perl/minimum-version-t
index 8c49327..7d81b46 100755
--- a/tests/perl/minimum-version-t
+++ b/tests/perl/minimum-version-t
@@ -7,10 +7,11 @@
 # required for internal tools than for public code.
 #
 # The canonical version of this file is maintained in the rra-c-util package,
-# which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
+# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
 #
 # Written by Russ Allbery <eagle@eyrie.org>
-# Copyright 2012, 2013, 2014
+# Copyright 2016 Russ Allbery <eagle@eyrie.org>
+# Copyright 2012-2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
@@ -30,12 +31,14 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
+#
+# SPDX-License-Identifier: MIT
 
 use 5.006;
 use strict;
 use warnings;
 
-use lib "$ENV{SOURCE}/tap/perl";
+use lib "$ENV{C_TAP_SOURCE}/tap/perl";
 
 use Test::More;
 use Test::RRA qw(skip_unless_automated use_prereq);
diff --git a/tests/perl/module-version-t b/tests/perl/module-version-t
index f1ebf0f..878cc2d 100755
--- a/tests/perl/module-version-t
+++ b/tests/perl/module-version-t
@@ -9,17 +9,19 @@
 #
 # When given the --update option, instead fixes all of the Perl modules found
 # to have the correct version.
+#
+# SPDX-License-Identifier: MIT
 
 use 5.006;
 use strict;
 use warnings;
 
-# SOURCE may not be set if we're running this script manually to update
+# C_TAP_SOURCE may not be set if we're running this script manually to update
 # version numbers.  If it isn't, assume we're being run from the top of the
 # tree.
 BEGIN {
-    if ($ENV{SOURCE}) {
-        unshift(@INC, "$ENV{SOURCE}/tap/perl");
+    if ($ENV{C_TAP_SOURCE}) {
+        unshift(@INC, "$ENV{C_TAP_SOURCE}/tap/perl");
     } else {
         unshift(@INC, 'tests/tap/perl');
     }
@@ -178,6 +180,10 @@ SOFTWARE.
 =head1 SEE ALSO
 
 This module is maintained in the rra-c-util package.  The current version is
-available from L<http://www.eyrie.org/~eagle/software/rra-c-util/>.
+available from L<https://www.eyrie.org/~eagle/software/rra-c-util/>.
 
 =cut
+
+# Local Variables:
+# copyright-at-end-flag: t
+# End:
diff --git a/tests/perl/strict-t b/tests/perl/strict-t
index 2df6d58..09ce157 100755
--- a/tests/perl/strict-t
+++ b/tests/perl/strict-t
@@ -7,10 +7,11 @@
 # all pass a syntax check.  Currently, test suite coverage is not checked.
 #
 # The canonical version of this file is maintained in the rra-c-util package,
-# which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
+# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
 #
 # Written by Russ Allbery <eagle@eyrie.org>
-# Copyright 2012, 2013, 2014
+# Copyright 2016 Russ Allbery <eagle@eyrie.org>
+# Copyright 2012-2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
@@ -30,12 +31,14 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
+#
+# SPDX-License-Identifier: MIT
 
 use 5.006;
 use strict;
 use warnings;
 
-use lib "$ENV{SOURCE}/tap/perl";
+use lib "$ENV{C_TAP_SOURCE}/tap/perl";
 
 use Test::More;
 use Test::RRA qw(skip_unless_automated use_prereq);
@@ -46,7 +49,7 @@ use Test::RRA::Config qw(@STRICT_IGNORE @STRICT_PREREQ);
 skip_unless_automated('Strictness tests');
 
 # Load prerequisite modules.
-use_prereq('Test::Strict');
+use_prereq('Test::Strict', '0.25');
 
 # Check whether all prerequisites are available, and skip the test if any of
 # them are not.