From e2b5c98cefc45a1404d4ec3230860f2e1c5df0c9 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 ced258e02..9d2817db4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -414,6 +414,8 @@ if test x$use_lcov = xyes; then
     AC_MSG_ERROR("lcov testing requested but genhtml not found")
   fi
   LCOV="$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