[glibc] Allow building on case insensitive filesystems

Makerules

Index: Makerules
diff --git a/Makerules b/Makerules
index 40df67447d00fa0843aea0b33340c256fa3f3d59..c9942ea59fd64a2586581fece005656d15885222 100644
--- a/Makerules
+++ b/Makerules
@@ -388,7 +388,7 @@ endif
 # Bounded pointer thunks are only built for *.ob
 elide-bp-thunks = $(addprefix $(bppfx),$(bp-thunks))
 
-elide-routines.oS += $(filter-out $(static-only-routines),\
+elide-routines.ons += $(filter-out $(static-only-routines),\
 				  $(routines) $(aux) $(sysdep_routines)) \
 		     $(elide-bp-thunks)
 elide-routines.os += $(static-only-routines) $(elide-bp-thunks)
@@ -955,7 +955,7 @@ ifndef subdir
 install: $(inst_libdir)/libc.so
 $(inst_libdir)/libc.so: $(common-objpfx)format.lds \
 			$(common-objpfx)libc.so$(libc.so-version) \
-			$(inst_libdir)/$(patsubst %,$(libtype.oS),\
+			$(inst_libdir)/$(patsubst %,$(libtype.ons),\
 						  $(libprefix)$(libc-name)) \
 			$(+force)
 	# TODO(mseaborn): I made the paths here non-absolute so that the
@@ -967,7 +967,7 @@ $(inst_libdir)/libc.so: $(common-objpfx)format.lds \
 	 echo '   the static library, so try that secondarily.  */';\
 	 cat $<; \
 	 echo 'GROUP ( libc.so$(libc.so-version)' \
-	      '$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\
+	      '$(patsubst %,$(libtype.ons),$(libprefix)$(libc-name))'\
 	      ' AS_NEEDED (' $(rtld-installed-name) ') )' \
 	) > $@.new
 	mv -f $@.new $@