Fix installing files with unified sbin

Fedora 42 merges /usr/bin and /usr/sbin, adjust package %install section
accordingly.
Related change link:
https://fedoraproject.org/wiki/Changes/Unify_bin_and_sbin

QubesOS/qubes-issues#9807

Author: marmarek

kernel-modules/Makefile

@@ -5,6 +5,7 @@ CFLAGS += $(shell pkg-config --cflags ext2fs com_err) \
     -fno-delete-null-pointer-checks -fno-strict-aliasing -Wall -Wextra \
     -Werror=format-security -pedantic-errors -Wformat=2 -Wmaybe-uninitialized \
     -Wshadow -g3
+SBINDIR ?= /usr/sbin
 
 all: genfs
 
@@ -14,8 +15,8 @@ genfs: genfs.c
 install: install-scripts install-genfs
 
 install-scripts:
-	install -d $(DESTDIR)/usr/sbin
-	install qubes-prepare-vm-kernel $(DESTDIR)/usr/sbin
+	install -d $(DESTDIR)$(SBINDIR)
+	install qubes-prepare-vm-kernel $(DESTDIR)$(SBINDIR)
 
 install-genfs:
 	install -d $(DESTDIR)/usr/lib/qubes

rpm_spec/qubes-kernel-vm-support.spec.in

@@ -58,7 +58,7 @@ make -C kernel-modules all
 make gptfixer/gpt
 
 %install
-make install-fedora-kernel-support DESTDIR=%{buildroot}
+make install-fedora-kernel-support DESTDIR=%{buildroot} SBINDIR=%{_sbindir}
 make install-gptfix SBINDIR=%_sbindir DESTDIR=%{buildroot}
 
 %files

rpm_spec/qubes-utils.spec.in

@@ -104,7 +104,7 @@ make -C qrexec-lib check-table-up-to-date NO_REBUILD_TABLE=1
 %endif
 
 %install
-make install install-selinux DESTDIR=%{buildroot} PYTHON=%{__python3} NO_REBUILD_TABLE=1
+make install install-selinux DESTDIR=%{buildroot} PYTHON=%{__python3} NO_REBUILD_TABLE=1 SBINDIR=%{_sbindir}
 
 %post
 # dom0