From ec1274ddcfb23dda89d330b9be5d7cab8eb0e927 Mon Sep 17 00:00:00 2001
From: Douglas Roark <doug@bloq.com>
Date: Sat, 24 Dec 2016 12:27:39 -0800
Subject: [PATCH] Fix linker error when configured with --enable-lcov

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

diff --git a/configure.ac b/configure.ac
index 794999576..8393b0bbd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -443,6 +443,8 @@ if test x$use_lcov = xyes; then
     AC_MSG_ERROR("lcov testing requested but comparison tool was not specified")
   fi
   LCOV="$LCOV --gcov-tool=$GCOV"
+  AX_CHECK_LINK_FLAG([[--coverage]], [LDFLAGS="$LDFLAGS --coverage"],
+    [AC_MSG_ERROR("lcov testing requested but --coverage linker flag does not work")])
   AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"],
     [AC_MSG_ERROR("lcov testing requested but --coverage flag does not work")])
 fi