From 2c68ad32161d73830c205cbfa2cc1dc004977931 Mon Sep 17 00:00:00 2001
From: Michael Jerris <mike@jerris.com>
Date: Fri, 21 Feb 2014 18:04:13 -0500
Subject: [PATCH] fix build

---
 libs/libsndfile/configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libs/libsndfile/configure.ac b/libs/libsndfile/configure.ac
index 604b8f767d..022066091d 100644
--- a/libs/libsndfile/configure.ac
+++ b/libs/libsndfile/configure.ac
@@ -16,6 +16,7 @@ AC_CONFIG_MACRO_DIR([M4])
 AC_CONFIG_HEADERS([src/config.h])
 
 AM_INIT_AUTOMAKE
+AC_SUBST(ACLOCAL_AMFLAGS, "-I M4")
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_LANG([C])
@@ -294,6 +295,8 @@ HAVE_EXTERNAL_LIBS=0
 EXTERNAL_CFLAGS=""
 EXTERNAL_LIBS=""
 
+enable_external_libs=no
+
 # Check for pkg-config outside the if statement.
 PKG_PROG_PKG_CONFIG
 m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], AC_SUBST([pkgconfigdir], ${libdir}/pkgconfig))