From 183a8e953aaad4bd59646bb9d25b03a36fa90efd Mon Sep 17 00:00:00 2001
From: Sergey Kosukhin <sergey.kosukhin@mpimet.mpg.de>
Date: Tue, 7 May 2019 23:20:35 +0200
Subject: [PATCH] Do not link to -lm if it is not required.

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 97b151782..ada93378b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -151,7 +151,7 @@ AC_DEFINE_UNQUOTED([SYSTEM_TYPE],["$ac_cv_build"], [System type])
 AC_SUBST([SYSTEM_TYPE],["$ac_cv_build"])
 #  ----------------------------------------------------------------------
 #  Check for math library
-AC_CHECK_LIB(m, floor)
+AC_SEARCH_LIBS(floor, m)
 #  ----------------------------------------------------------------------
 # Add basic configure options
 ACX_OPTIONS
-- 
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