--- gcc/config/t-svr4	2018/04/24 18:06:26	1.1.1.2
+++ gcc/config/t-svr4	2018/04/24 18:27:36	1.1.1.3
@@ -1,4 +1,7 @@
-# For svr4 we build crtbegin.o and crtend.o which serve to add begin and
-# end labels to the .ctors and .dtors section when we link using gcc.
+# We need to use -fPIC when we are using gcc to compile the routines in
+# crtstuff.c.  This is only really needed when we are going to use gcc/g++
+# to produce a shared library, but since we don't know ahead of time when
+# we will be doing that, we just always use -fPIC when compiling the
+# routines in crtstuff.c.
 
-EXTRA_PARTS=crtbegin.o crtend.o
+CRTSTUFF_T_CFLAGS = -fPIC