The gen directory is for things that are created by make and it
is deleted by make clean. But pkgconfig.h.in is not generated by
make. So it does not belong into src but rather into gen.
Unfortunately GAP's BuildPackages.sh script runs make clean before
make, which triggered this bug.
The
gen
directory is for things that are created bymake
and it is deleted bymake clean
. Butpkgconfig.h.in
is not generated bymake
. So it does not belong intosrc
but rather intogen
.Unfortunately GAP's
BuildPackages.sh
script runsmake clean
beforemake
, which triggered this bug.