Newer versions of su don't provide su as util-linux is the preferred provider,
so don't build it.

Upstream-Status: Inappropriate
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/src/Makefile.am b/src/Makefile.am
index 863a32b5a..28c060898 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -16,7 +16,7 @@
 ## along with this program; if not, write to the Free Software Foundation,
 ## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-EXTRA_PROGRAMS = chroot df hostid nice pinky stty su uname uptime users who
+EXTRA_PROGRAMS = chroot df hostid nice pinky stty uname uptime users who
 
 bin_SCRIPTS = groups
 bin_PROGRAMS = [ chgrp chown chmod cp dd dircolors du \
@@ -131,8 +131,6 @@ RELEASE_YEAR = \
 	chmod +x $@-t
 	mv $@-t $@
 
-all-local: su$(EXEEXT)
-
 installed_su = $(DESTDIR)$(bindir)/`echo su|sed '$(transform)'`
 
 setuid_root_mode = a=rx,u+s
@@ -146,27 +144,6 @@ INSTALL_SU = \
   echo " chmod $(setuid_root_mode) $(installed_su)"; \
   chmod $(setuid_root_mode) $(installed_su)
 
-install-root: su$(EXEEXT)
-	@$(INSTALL_SU)
-
-install-exec-local: su$(EXEEXT)
-	@TMPFILE=$(DESTDIR)$(bindir)/.su-$$$$; \
-	rm -f $$TMPFILE; \
-	echo > $$TMPFILE; \
-## See if we can create a setuid root executable in $(bindir).
-## If not, then don't even try to install su.
-	can_create_suid_root_executable=no; \
-	chown root $$TMPFILE > /dev/null 2>&1 \
-	  && chmod $(setuid_root_mode) $$TMPFILE > /dev/null 2>&1 \
-	  && can_create_suid_root_executable=yes; \
-	rm -f $$TMPFILE; \
-	if test $$can_create_suid_root_executable = yes; then \
-	  $(INSTALL_SU); \
-	else \
-	  echo "WARNING: insufficient access; not installing su"; \
-	  echo "NOTE: to install su, run 'make install-root' as root"; \
-	fi
-
 uninstall-local:
 # Remove su only if it's one we installed.
 	@if grep '$(GNU_PACKAGE)' $(installed_su) > /dev/null 2>&1; then \