Added README-RTEMS and tweaked the makefiles

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@477 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/build/Makefile b/pjsip/build/Makefile
index 76b1f66..8c38439 100644
--- a/pjsip/build/Makefile
+++ b/pjsip/build/Makefile
@@ -133,5 +133,15 @@
 	$(MAKE) -f $(RULES_MAK) APP=PJSIP_SIMPLE app=pjsip-simple $@
 	$(MAKE) -f $(RULES_MAK) APP=PJSUA_LIB app=pjsua-lib $@
 
+realclean:
+	$(subst @@,$(subst /,$(HOST_PSEP),.pjsip-$(TARGET_NAME).depend),$(HOST_RMR))
+	$(subst @@,$(subst /,$(HOST_PSEP),.pjsip-ua-$(TARGET_NAME).depend),$(HOST_RMR))
+	$(subst @@,$(subst /,$(HOST_PSEP),.pjsip-simple-$(TARGET_NAME).depend),$(HOST_RMR))
+	$(subst @@,$(subst /,$(HOST_PSEP),.pjsua-lib-$(TARGET_NAME).depend),$(HOST_RMR))
+	$(MAKE) -f $(RULES_MAK) APP=PJSIP app=pjsip $@
+	$(MAKE) -f $(RULES_MAK) APP=PJSIP_UA app=pjsip-ua $@
+	$(MAKE) -f $(RULES_MAK) APP=PJSIP_SIMPLE app=pjsip-simple $@
+	$(MAKE) -f $(RULES_MAK) APP=PJSUA_LIB app=pjsua-lib $@
+