From 2327d0eedcef3de9a9aed8b48ea786c531070b5f Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Tue, 23 Oct 2012 15:51:45 +0000
Subject: Fewer shell invocations in apps/Makefile

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5248 42af7a65-404d-4744-a932-0658087f49c3
---
 apps/Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'apps/Makefile')

diff --git a/apps/Makefile b/apps/Makefile
index e407e2de8..be98dbbfe 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -114,8 +114,9 @@ $(foreach BUILTIN, $(CONFIGURED_APPS), $(eval $(call ADD_BUILTIN,$(BUILTIN))))
 # provided by the user (possibly as a symbolic link) to add libraries and
 # applications to the standard build from the repository.
 
-INSTALLED_APPS += ${shell if [ -r external/Makefile ]; then echo "external"; fi}
-SUBDIRS += ${shell if [ -r external/Makefile ]; then echo "external"; fi}
+EXTERNAL_DIR := $(dir $(wildcard external/Makefile))
+INSTALLED_APPS += $(EXTERNAL_DIR)
+SUBDIRS += $(EXTERNAL_DIR)
 
 # The final build target
 
-- 
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