M4 make check fail on WD Mybook World ARM processor

[Thomas Black]

Running #make check on a western digital mybook arm processor results
in the following on check failure.
...
PASS: test-sys_stat
PASS: test-sys_time
PASS: test-unistd
PASS: test-vasnprintf
test-vasprintf-posix.c:1009: assertion failed
Aborted
FAIL: test-vasprintf-posix
PASS: test-vasprintf
PASS: test-wchar
PASS: test-wctype
PASS: test-xvasprintf
===============================
1 of 36 tests failed
Please report to address@hidden
===============================
make[4]: *** [check-TESTS] Error 1
make[4]: Leaving directory `/home/tcblack/m4-1.4.10/tests'
make[3]: *** [check-am] Error 2
make[3]: Leaving directory `/home/tcblack/m4-1.4.10/tests'
make[2]: *** [check-recursive] Error 1
make[2]: Leaving directory `/home/tcblack/m4-1.4.10/tests'
make[1]: *** [check] Error 2
make[1]: Leaving directory `/home/tcblack/m4-1.4.10/tests'
make: *** [check-recursive] Error 1


Any other data you need?