The parallel test harness doesn't seem to like conditional tests.

I get the following output using the attached configure.ac and Makefile.am:

    $ ./configure 
    checking for a BSD-compatible install... /usr/bin/install -c
    checking whether build environment is sane... yes
    checking for a thread-safe mkdir -p... /bin/mkdir -p
    checking for gawk... gawk
    checking whether make sets $(MAKE)... yes
    checking whether make supports nested variables... yes
    checking that generated files are newer than configure... done
    configure: creating ./config.status
    config.status: creating Makefile
    config.status: creating pet_test.sh
    $ make check
    make  check-TESTS
    make[1]: Entering directory `/tmp/pet-0.03'
    make[2]: Entering directory `/tmp/pet-0.03'
    make[3]: Entering directory `/tmp/pet-0.03'
    make[3]: Nothing to be done for `pet_test.sh.log'.
    make[3]: Leaving directory `/tmp/pet-0.03'
    fatal: making test-suite.log: failed to create pet_test.sh.trs
    fatal: making test-suite.log: failed to create pet_test.sh.log
    make[2]: *** [test-suite.log] Error 1
    make[2]: Leaving directory `/tmp/pet-0.03'
    make[1]: *** [check-TESTS] Error 2
    make[1]: Leaving directory `/tmp/pet-0.03'
    make: *** [check-am] Error 2

This is with automake 1.13.1 and autoconf 2.68.
The same input works fine with automake 1.11.3:

    $ ./configure 
    checking for a BSD-compatible install... /usr/bin/install -c
    checking whether build environment is sane... yes
    checking for a thread-safe mkdir -p... /bin/mkdir -p
    checking for gawk... gawk
    checking whether make sets $(MAKE)... yes
    configure: creating ./config.status
    config.status: creating Makefile
    config.status: creating pet_test.sh
    $ make check
    make  check-TESTS
    make[1]: Entering directory `/tmp/pet-0.03'
    PASS: pet_test.sh
    =============
    1 test passed
    =============
    make[1]: Leaving directory `/tmp/pet-0.03'

Is it no longer allowed to have conditional tests as in

    TESTS = @extra_tests@
    EXTRA_TESTS = pet_test.sh

or is anything missing from my input?

Thanks in advance,

skimo