A possible fix, or mitigation, based on the answer by John Bollinger[1] follows. I have tested this to work[2] even though it requires changes[2] in the program that created the test(s) executables and that program is 'check' - A unit testing framework for C [3].
[1] https://stackoverflow.com/a/56168216/11509478 [2] https://github.com/libcheck/check/issues/188#issuecomment-493161758 [3] https://github.com/libcheck/check --- /tmp/test-driver 2018-09-18 15:06:54.000000000 +0200 +++ /usr/share/automake-1.16/test-driver 2019-05-16 17:58:09.690988983 +0200 @@ -104,7 +104,8 @@ trap "st=141; $do_exit" 13 trap "st=143; $do_exit" 15 # Test script is run here. -"$@" >$log_file 2>&1 +echo -n "" >"$log_file" +"$@" >>"$log_file" 2>&1 estatus=$? if test $enable_hard_errors = no && test $estatus -eq 99; then (the above patch is also attached) Cheers.
--- /tmp/test-driver 2018-09-18 15:06:54.000000000 +0200 +++ /usr/share/automake-1.16/test-driver 2019-05-16 17:58:09.690988983 +0200 @@ -104,7 +104,8 @@ trap "st=141; $do_exit" 13 trap "st=143; $do_exit" 15 # Test script is run here. -"$@" >$log_file 2>&1 +echo -n "" >"$log_file" +"$@" >>"$log_file" 2>&1 estatus=$? if test $enable_hard_errors = no && test $estatus -eq 99; then
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