From b9f4a0bd2b0104ce5f15dcd7d1698db710330418 Mon Sep 17 00:00:00 2001
From: Tom Fogal <tfogal@alumni.unh.edu>
Date: Tue, 24 Nov 2009 16:46:31 -0700
Subject: Simplify hackery added to fix AIX build.

Borrow an idiom from the GNU build system which can handle `for'
loops over empty lists.
---
 progs/Makefile | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

(limited to 'progs')

diff --git a/progs/Makefile b/progs/Makefile
index d5852fa416c..5bc444e9524 100644
--- a/progs/Makefile
+++ b/progs/Makefile
@@ -4,7 +4,7 @@ TOP = ..
 
 include $(TOP)/configs/current
 
-SUBDIRS = "$(strip "$(PROGRAM_DIRS)")"
+SUBDIRS = $(PROGRAM_DIRS)
 
 
 default: message subdirs
@@ -15,22 +15,18 @@ message:
 
 
 subdirs:
-	@if test -n "$(SUBDIRS)" ; then \
-		for dir in $(SUBDIRS) ; do \
-			if [ -d $$dir ] ; then \
-				(cd $$dir && $(MAKE)) || exit 1 ; \
-			fi \
-		done \
-	fi
+	@list='$(SUBDIRS)'; for dir in $$list ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE)) || exit 1 ; \
+		fi \
+	done
 
 # Dummy install target
 install:
 
 clean:
-	-@if test -n "$(SUBDIRS)" ; then \
-		for dir in $(SUBDIRS) tests ; do \
-			if [ -d $$dir ] ; then \
-				(cd $$dir && $(MAKE) clean) ; \
-			fi \
-		done \
-	fi
+	@list='$(SUBDIRS)'; for dir in $$list tests ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE) clean) ; \
+		fi \
+	done
-- 
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