From 96f05c895d214b648de44ac8c23c1e9b6f4bad17 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Wed, 15 Aug 2018 18:30:12 -0600
Subject: [PATCH] tools/Config.mk:  Add function CATFILE definition.  Currently
 only used in apps/builtin/Makefile.

---
 tools/Config.mk | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/tools/Config.mk b/tools/Config.mk
index 49ac49ec82..ecde90af8b 100644
--- a/tools/Config.mk
+++ b/tools/Config.mk
@@ -212,8 +212,8 @@ endif
 # Depends on these settings defined in board-specific Make.defs file
 # installed at $(TOPDIR)/Make.defs:
 #
-#   LD - The command to invoke the linker (includes any options)
-#    OBJCOPY - The command to invoke the object cop (includes any options)
+#   LD      - The command to invoke the linker (includes any options)
+#   OBJCOPY - The command to invoke the object cop (includes any options)
 #
 # Depends on this settings defined in board-specific defconfig file installed
 # at $(TOPDIR)/.config:
@@ -268,6 +268,19 @@ define MOVEFILE
 endef
 endif
 
+# CATFILE - Cat and append a list of files
+# USAGE: $(call CATFILE,dest,src1,src2,src3,...)
+
+ifeq ($(CONFIG_WINDOWS_NATIVE),y)
+define CATFILE
+	$(Q) type $(2) >> $1
+endef
+else
+define CATFILE
+	$(Q) cat $(2) >> $1
+endef
+endif
+
 # CLEAN - Default clean target
 
 ifeq ($(CONFIG_WINDOWS_NATIVE),y)