From 762d74e864f72b5b38c7b3bd25fb642566ee05b7 Mon Sep 17 00:00:00 2001
From: Bas Couwenberg <sebastic@xs4all.nl>
Date: Fri, 2 Feb 2018 19:13:14 +0100
Subject: Add AC_SEARCH_LIBS for libm to configure.ac.

Fixes: #759
---
 configure.ac | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 4893646e..ecc6e31b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,8 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM(
         [AC_MSG_RESULT([no]);C99_MATH="-DHAVE_C99_MATH=0"])
 CFLAGS="$save_CFLAGS $C99_MATH"
 
+AC_SEARCH_LIBS([sqrt], [m])
+
 AC_CHECK_FUNC(localeconv, [AC_DEFINE(HAVE_LOCALECONV,1,[Define to 1 if you have localeconv])])
 
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