double-negate test for Stage1Only to fix `make clean`

Authored by hvr on Feb 9 2014, 7:59 AM.

Description

double-negate test for Stage1Only to fix make clean

This was causing utils/ghctags/dist-install to not get removed
on make clean as Stage1Only was unset. So testing for != YES is
less fragile than testing for == NO in this case.

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>

Details

Committed
hvrFeb 9 2014, 8:03 AM
Pushed
bgamariAug 25 2016, 1:39 PM
Parents
rGHCDIFF719108f8d70a: Add test suite for #8757
Branches
Unknown
Tags
Unknown