Apparent failure to fail in summary

Hi,

I am having some problem with a DejaGnu test suite, but the problem itself 
is not what I'm writing about. At the end of a testsuite, I get the 
following:

                 === zile Summary ===

WARNING: zile_version failed:
couldn't fork child process: resource temporarily unavailable
make[4]: Leaving directory `/local/build/cc/zile-2.3.1.1/src/testsuite'

note that DejaGnu itself does not fail, and the make continues; in this 
case, it finishes successfully.

Since there was a problem with forking, DejaGnu should surely have caused 
the make to fail!

The same had already happened in several tests, e.g.:

Running /local/build/cc/zile-2.3.1.1/src/testsuite/zile.test/yank.exp ...
ERROR: tcl error sourcing 
/local/build/cc/zile-2.3.1.1/src/testsuite/zile.test/yank.
exp.
ERROR: couldn't fork child process: resource temporarily unavailable
     while executing
"exec cp $test_path/zile_test.input $edit_file"
     (procedure "interactive_test" line 7)
     invoked from within
"interactive_test yank "^@^N^N^W^N^N^N^Y^X^S^X^C""
     (file "/local/build/cc/zile-2.3.1.1/src/testsuite/zile.test/yank.exp" 
line 1)
     invoked from within
"source /local/build/cc/zile-2.3.1.1/src/testsuite/zile.test/yank.exp"
     ("uplevel" body line 1)
     invoked from within
"uplevel #0 source 
/local/build/cc/zile-2.3.1.1/src/testsuite/zile.test/yank.exp"
     invoked from within
"catch "uplevel #0 source $test_file_name""

Again, why doesn't this cause the test suite as a whole to fail?

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