diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index fc2331da9af..b1ad4781388 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-21  Hans-Peter Nilsson  <hp@axis.com>
+
+	* Makefile.in ($(srcdir)/emutls.c): Explain why it's in LIB2ADDEH
+	et al.
+
 2011-11-21  Richard Henderson  <rth@redhat.com>
 
 	* crtstuff.c (USE_TM_CLONE_REGISTRY): Default to 1 on ELF.
diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in
index f0b5a0ecbd5..23b72b92475 100644
--- a/libgcc/Makefile.in
+++ b/libgcc/Makefile.in
@@ -394,6 +394,9 @@ endif
 
 LIB2ADD += enable-execute-stack.c
 
+# While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
+# instead of LIB2ADD because that's the way to be sure on some targets
+# (e.g. *-*-darwin*) only one copy of it is linked.
 LIB2ADDEH += $(srcdir)/emutls.c
 LIB2ADDEHSTATIC += $(srcdir)/emutls.c
 LIB2ADDEHSHARED += $(srcdir)/emutls.c