Build pt_chown as PIE.

(cherry picked from commit f051ddf)
git-mirror · Aug 4, 2009 · c87c885 · c87c885
1 parent a780093
commit c87c885
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,7 @@
+2009-06-16  Ulrich Drepper  <drepper@redhat.com>
+
+	* login/Makefile: Build pt_chown as PIE.
+
 2009-06-16  Ulrich Drepper  <drepper@redhat.com>
 
 	* login/Makefile: If necessary link pt_chown with -lcap.

diff --git a/login/Makefile b/login/Makefile
@@ -54,10 +54,23 @@ otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \
 	     $(resolvobjdir)/libresolv.a $(common-objpfx)libc.a
 endif
 
+ifeq (yesyes,$(have-fpie)$(build-shared))
+pt_chown-cflags += $(pie-ccflag)
+endif
+ifeq (yes,$(have-ssp))
+pt_chown-cflags += -fstack-protector
+endif
 ifeq (yes,$(have-libcap))
 libcap = -lcap
 endif
+CFLAGS-pt_chown.c = $(pt_chown-cflags)
 LDLIBS-pt_chown = $(libcap)
+ifeq (yesyes,$(have-fpie)$(build-shared))
+LDFLAGS-pt_chown = -Wl,-z,now
+
+$(objpfx)pt_chown: $(objpfx)pt_chown.o
+	$(+link-pie)
+endif
 
 # pt_chown needs to be setuid root.
 $(inst_libexecdir)/pt_chown: $(objpfx)pt_chown $(+force)