From 56a8ea04d49aab507fc64756a0f86743256d5f8f Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sat, 23 Apr 2016 15:03:03 +0200
Subject: [PATCH] rrdtool check: no need to save CPPFLAGS

There's no need to save CPPFLAGS when we're just
checking a library.

(cherry picked from commit f7e09269879b74e61324de9178503221b2df9136)
---
 configure.ac | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index c4fe39ac..72eb3fdc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3832,10 +3832,7 @@ then
 fi
 if test "x$with_librrd" = "xyes"
 then
-	SAVE_CPPFLAGS="$CPPFLAGS"
 	SAVE_LDFLAGS="$LDFLAGS"
-
-	CPPFLAGS="$CPPFLAGS $librrd_cflags"
 	LDFLAGS="$LDFLAGS $librrd_ldflags"
 
 	AC_CHECK_LIB(rrd_th, rrd_update_r,
@@ -3859,7 +3856,6 @@ then
 		AC_CHECK_LIB(rrd, rrdc_update, [librrd_rrdc_update="yes"], [librrd_rrdc_update="no"])
 	fi
 
-	CPPFLAGS="$SAVE_CPPFLAGS"
 	LDFLAGS="$SAVE_LDFLAGS"
 fi
 if test "x$with_librrd" = "xyes"
-- 
2.11.0