From 6af04d5a36a47b11dcf10bb629105600aa5a66eb Mon Sep 17 00:00:00 2001
From: Uwe Hermann <uwe@hermann-uwe.de>
Date: Fri, 3 Jan 2014 17:41:24 +0100
Subject: Link against libm to avoid Python related linking errors.

The python3-config script reported "-lm" as linker option previously,
but we switched to using pkg-config (among other things for
cross-compile support) which doesn't report "-lm" though (this is a
common behaviour across multiple distros and OSes).
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index deedd5c..2d480ee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,6 +112,9 @@ esac
 AC_SUBST(CPPFLAGS_PYTHON)
 AC_SUBST(LDFLAGS_PYTHON)
 
+# Link against libm, this is required (among other things) by Python.
+AC_SEARCH_LIBS([pow], [m])
+
 # The Check unit testing framework is optional. Disable if not found.
 PKG_CHECK_MODULES([check], [check >= 0.9.4],
 	[have_check="yes"; CFLAGS="$CFLAGS $check_CFLAGS";
-- 
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