what could be causing the dependencies to fail?

[alefcs23]

git archive --format=tar.gz
--prefix=pg_strom-5.0.4/
-o pg_strom-5.0.4.tar.gz 863ac48
LICENSE Makefile Makefile.common
src arrow-tools test/ssbm
cp -f pg_strom-5.0.4.tar.gz /home/suporte/rpmbuild/SOURCES || exit 1
git show --format=raw 863ac48:files/systemd-pg_strom.conf >
/home/suporte/rpmbuild/SOURCES/systemd-pg_strom.conf || exit 1
(git show --format=raw 863ac48:files/pg_strom.spec.in |
sed -e "s/@@STROM_VERSION@@/5.0/g"
-e "s/@@STROM_RELEASE@@/4/g"
-e "s/@@STROM_TARBALL@@/pg_strom-5.0.4/g"
-e "s/@@PGSTROM_GITHASH@@/863ac4832c692d28d6421aa75376ca6f7a003d22/g"
-e "s/@@PGSQL_VERSION@@/16/g";
git show --format=raw 863ac48:CHANGELOG) > /home/suporte/rpmbuild/SPECS/pg_strom-PG16.spec
rpmbuild -ba /home/suporte/rpmbuild/SPECS/pg_strom-PG16.spec --undefine=_debugsource_packages
error: Failed build dependencies:
postgresql16 is needed by pg_strom-PG16-5.0-4.x86_64
postgresql16-devel is needed by pg_strom-PG16-5.0-4.x86_64
make: *** [Makefile:68: rpm-pg_strom] Error 11

[kaigai]

If you want to build PG-Strom towards the current system, change directory to src, or use make -C src -j 8.