diff --git a/lib/romlib/Makefile b/lib/romlib/Makefile
index 1293f06..da3d3d5 100644
--- a/lib/romlib/Makefile
+++ b/lib/romlib/Makefile
@@ -23,8 +23,10 @@
 MAPFILE     = $(BUILD_PLAT)/romlib/romlib.map
 
 ifneq ($(PLAT_DIR),)
-  WRAPPER_SOURCES   = $(shell $(ROMLIB_GEN) genwrappers -b $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i)
-  WRAPPER_OBJS      = $(WRAPPER_SOURCES:.s=.o)
+        WRAPPER_SOURCES = $(sort $(shell $(ROMLIB_GEN) genwrappers -b $\
+                $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i))
+
+        WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
 endif
 
 V ?= 0
@@ -82,14 +84,11 @@
 	@echo "  PRE     $@"
 	$(Q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
 
-$(BUILD_DIR)/wrappers.stamp: $(BUILD_DIR)/jmptbl.i
+$(WRAPPER_SOURCES) &: $(BUILD_DIR)/jmptbl.i
 	@echo "  WRP     $<"
 	$(Q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
-	@touch $@
-
-$(WRAPPER_SOURCES): $(BUILD_DIR)/wrappers.stamp
 
-$(WRAPPER_OBJS): $(WRAPPER_SOURCES) $(BUILD_DIR)/wrappers.stamp
+$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s
 
 $(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i
 	@echo "  TBL     $@"
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index cf4595c..fabd74e 100644
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -559,8 +559,8 @@
 	$$(ECHO) "  LD      $$@"
 ifeq ($($(ARCH)-ld-id),arm-link)
 	$$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \
-		--predefine="-D__LINKER__=$(__LINKER__)" \
-		--predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \
+		--predefine=$(call escape-shell,-D__LINKER__=$(__LINKER__)) \
+		--predefine=$(call escape-shell,-DTF_CFLAGS=$(TF_CFLAGS)) \
 		--map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \
 		$(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) $(OBJS)
 else ifeq ($($(ARCH)-ld-id),gnu-gcc)