From 0141c82eedbe525169546f6d30488149c3a7ed7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Jacke?= <bj@sernet.de>
Date: Sun, 25 Aug 2019 23:01:22 +0200
Subject: [PATCH] samba_autoconf.py: avoid inefficient string concatenations

Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---
 buildtools/wafsamba/samba_autoconf.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
index ee15e34b5ec..63664a41160 100644
--- a/buildtools/wafsamba/samba_autoconf.py
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -23,13 +23,12 @@ def DEFINE(conf, d, v, add_to_cflags=False, quote=False):
 
 def hlist_to_string(conf, headers=None):
     '''convert a headers list to a set of #include lines'''
-    hdrs=''
     hlist = conf.env.hlist
     if headers:
         hlist = hlist[:]
         hlist.extend(TO_LIST(headers))
-    for h in hlist:
-        hdrs += '#include <%s>\n' % h
+    hdrs = "\n".join('#include <%s>' % h for h in hlist)
+
     return hdrs