From c9ba2be9a2015221a86727d2317129168510964b Mon Sep 17 00:00:00 2001
From: Tobias Kortkamp <git@tobik.me>
Date: Mon, 30 Oct 2017 11:02:22 +0100
Subject: [PATCH] Check for alloca.h in the configure script

Signed-off-by: Tobias Kortkamp <git@tobik.me>
---
 cava.c       | 13 +++----------
 configure.ac |  5 +++++
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/cava.c b/cava.c
index faa47e5..9f7956e 100644
--- a/cava.c
+++ b/cava.c
@@ -1,12 +1,10 @@
 #define _XOPEN_SOURCE_EXTENDED
 #include <locale.h>
 
-#ifdef SNDIO
-#include <stdlib.h>
-#endif
-
-#ifndef SNDIO
+#ifdef HAVE_ALLOCA_H
 #include <alloca.h>
+#else
+#include <stdlib.h>
 #endif
 
 #include <stdio.h>
@@ -63,11 +61,6 @@
 
 #ifdef SNDIO
 #include "input/sndio.c"
-#include <stdlib.h>
-#endif
-
-#ifndef SNDIO
-#include <alloca.h>
 #endif
 
 #include <iniparser.h>
diff --git a/configure.ac b/configure.ac
index 92fa281..a5eca4b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,6 +36,11 @@ AC_CHECK_HEADERS([pthread.h],
 	AC_MSG_ERROR([no pthread.h header header file found])
 )
 
+dnl ######################
+dnl checking for alloca.h
+dnl ######################
+
+AC_CHECK_HEADER([alloca.h], [CPPFLAGS="$CPPFLAGS -DHAVE_ALLOCA_H"])
 
 dnl ######################
 dnl checking for alsa dev