From 94172b4ba3d8fcde04571d55a8d993844c276299 Mon Sep 17 00:00:00 2001
From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Thu, 11 Dec 2008 20:02:35 +0000
Subject: Sometimes even Linux needs -lm to link libtonezone, such as when
 libtonezone is compiled statically. (closes issue #13887)  Reported by:
 tzafrir

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@163168 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index bf4ed43e7..986443023 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1521,7 +1521,9 @@ AST_EXT_LIB_CHECK([TERMCAP], [termcap], [tgetent], [])
 
 AST_EXT_LIB_CHECK([TINFO], [tinfo], [tgetent], [])
 
-if test "${host_os}" != "linux-gnu" ; then
+AC_CHECK_LIB([tonezone], [tone_zone_find_by_num], tonezone_does_not_need_lm=yes, tonezone_does_not_need_lm=no)
+
+if test "${tonezone_does_not_need_lm}" = "no" ; then
   tonezone_extra="-lm"
 fi
 
-- 
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