Add .rpx build rule.

rules/base.mk

@@ -47,8 +47,6 @@ endif
 	@echo "[AR]  $(notdir $@)"
 	@$(AR) -rcs $@ $^
 
-%.elf:
+%.elf: $(OFILES)
 	@echo "[LD]  $(notdir $@)"
-	@echo "[LD]  $(LIBPATHS)"
-	@echo "[LD]  $(LDFLAGS)"
-	@$(LD) -v $^ $(LIBPATHS) $(LIBS) $(LDFLAGS) -o $@
+	@$(LD) $^ $(LIBPATHS) $(LIBS) $(LDFLAGS) -o $@

rules/rpl.mk

@@ -2,11 +2,10 @@ LIBPATHS  := -L$(WUT_ROOT)/lib
 CFLAGS    := -I$(WUT_ROOT)/include -fno-builtin -ffreestanding
 CXXFLAGS  := $(CFLAGS)
 LDFLAGS   := -nostdlib -nostartfiles $(WUT_ROOT)/lib/crt0.o -T $(WUT_ROOT)/rules/rpl.ld -pie -fPIE -z common-page-size=64 -z max-page-size=64
+ELF2RPL   := $(WUT_ROOT)/bin/elf2rpl
 
 include $(WUT_ROOT)/rules/base.mk
 
 %.rpx: %.elf
-	@$(STRIP) $< -o $(BUILDDIR)/$(notdir $<)
-
-%.rpl: %.elf
-	@$(STRIP) $< -o $(BUILDDIR)/$(notdir $<)
+	@echo "[RPX] $(notdir $@)"
+	@$(ELF2RPL) $(BUILDDIR)/$(notdir $<) $@

samples/helloworld/Makefile

@@ -22,7 +22,7 @@ ifneq ($(BUILD),$(notdir $(CURDIR)))
 export OUTPUT   := $(CURDIR)/$(TARGET)
 export VPATH    := $(foreach dir,$(SOURCE),$(CURDIR)/$(dir)) \
                    $(foreach dir,$(DATA),$(CURDIR)/$(dir))
-export BUILDDIR := $(CURDIR)/$(BUILD)
+export BUILDDIR := $(CURDIR)
 export DEPSDIR  := $(BUILDDIR)
 
 CFILES    := $(foreach dir,$(SOURCE),$(notdir $(wildcard $(dir)/*.c)))
@@ -55,6 +55,7 @@ else
 
 DEPENDS	:= $(OFILES:.o=.d)
 
+$(OUTPUT).rpx: $(OUTPUT).elf
 $(OUTPUT).elf: $(OFILES)
 
 -include $(DEPENDS)