Don't build libgcc-unwind.map with --disable-shared (PR libgcc/61097)

	PR libgcc/61097
	* config/t-slibgcc-sld: Only build and install libgcc-unwind.map
	if --enable-shared.

From-SVN: r210210

libgcc/ChangeLog

+2014-05-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR libgcc/61097
+	* config/t-slibgcc-sld: Only build and install libgcc-unwind.map
+	if --enable-shared.
+
 2014-04-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	Work around for current cygwin32 build problems.

libgcc/config/t-slibgcc-sld

@@ -4,6 +4,8 @@
 SHLIB_LDFLAGS = -Wl,-h,$(SHLIB_SONAME) -Wl,-z,text -Wl,-z,defs \
 	-Wl,-M,$(SHLIB_MAP)
 
+ifeq ($(enable_shared),yes)
+
 # Linker mapfile to enforce direct binding to libgcc_s unwinder
 # (PR target/59788).
 libgcc-unwind.map: libgcc-std.ver
@@ -26,3 +28,5 @@ install-libgcc-unwind-map: libgcc-unwind.map
 	$(INSTALL_DATA) $< $(DESTDIR)$(slibdir)
 
 install: install-libgcc-unwind-map
+
+endif