From 3a82ac1a835d467b1c2c677e24b5c57418a5b0de Mon Sep 17 00:00:00 2001
From: Bernd Jendrissek <bernd@bpj-code.co.za>
Date: Wed, 9 May 2018 22:31:14 +0200
Subject: [PATCH] Check for hypot(3) in libm.

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

diff --git a/configure.ac b/configure.ac
index 502d813..ef83977 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,7 @@ AC_PROG_CC
 
 # Checks for libraries.
 PKG_CHECK_MODULES([GTK], [gtk+-2.0])
+AC_CHECK_LIB([m], [hypot])
 AC_CHECK_LIB([fftw3], [fftw_execute], [], [AC_MSG_ERROR([You need to install FFTW])])
 
 # Checks for header files.
-- 
2.11.4.GIT