amqp: look for librabbitmq in /usr/local as well

This detects it automatically on FreeBSD.
Ideally we should just use pkg-config but that is
left as an exercise for the reader ;)

diff --git a/configure.ac b/configure.ac
index 22c8838..8a494da 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3587,8 +3587,8 @@ fi
 # }}} --with-python
 
 # --with-librabbitmq {{{
-with_librabbitmq_cppflags=""
-with_librabbitmq_ldflags=""
+with_librabbitmq_cppflags="-I/usr/local/include"
+with_librabbitmq_ldflags="-L/usr/local/lib"
 AC_ARG_WITH(librabbitmq, [AS_HELP_STRING([--with-librabbitmq@<:@=PREFIX@:>@], [Path to librabbitmq.])],
 [
        if test "x$withval" != "xno" && test "x$withval" != "xyes"