From ec04fea6f270402b3e21d92d755f75664c0fa5ec Mon Sep 17 00:00:00 2001
From: "J. Maurice" <j@wiz.biz>
Date: Sat, 8 Feb 2014 22:23:26 +0900
Subject: [PATCH] Don't rmdir the destination directory if it's a symlink
 during "make install-data-hook"

This fixes a build error on linux during subsequent "make install" runs after the first "make install" succeeds
---
 Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 73e8116..67ef283 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -71,7 +71,7 @@ install-data-hook:
 	if test -d "$(DESTDIR)@includedir@/json" ; then \
 		(cd "$(DESTDIR)@includedir@/json" && \
 		rm -f $(libjson_cinclude_HEADERS)) ; \
-		rmdir "$(DESTDIR)@includedir@/json" ; \
+		test -L "$(DESTDIR)@includedir@/json" || rmdir "$(DESTDIR)@includedir@/json" ; \
 	fi
 	test \! -e "$(DESTDIR)@includedir@/json" || rm "$(DESTDIR)@includedir@/json"
 	$(LN_S) json-c "$(DESTDIR)@includedir@/json"