fix build

Author: aschamberger

Dockerfile

@@ -13,7 +13,11 @@ RUN mkdir -p /usr/local/src \
     && wget https://github.com/TimothyGu/alac/archive/master.zip -O libalac.zip \
     && unzip libalac.zip \
     && wget https://gitlab.xiph.org/xiph/tremor/-/archive/master/tremor-master.zip -O libtremor.zip \
-    && unzip libtremor.zip \
+    && unzip libtremor.zip
+
+COPY load-libtremor-first.patch /usr/local/src/squeezelite-master/alpine/load-libtremor-first.patch
+
+RUN cd /usr/local/src \
     && cd alac-master \
     && patch -p1 -i ../squeezelite-master/alpine/libalac/fix-arm-segfault.patch \
     && patch -p1 -i ../squeezelite-master/alpine/libalac/alac-version.patch \

README.md

@@ -75,3 +75,7 @@ Notes:
 * [Squeezelite command line options](https://ralph-irving.github.io/squeezelite.html)
 * [Power script example](https://github.com/ralph-irving/squeezelite/blob/master/tools/gpiopower.sh)
 * [flock example](https://www.kiloroot.com/bash-two-methods-for-job-control-simple-lock-files-and-flock/)
+
+## Ideas
+
+* build alpine packages for squeezelite and libs: https://wiki.alpinelinux.org/wiki/Abuild_and_Helpers#Setting_up_the_build_environment

load-libtremor-first.patch

@@ -0,0 +1,24 @@
+Index: vorbis.c
+===================================================================
+--- squeezelite/vorbis.c	(revision 1213)
++++ squeezelite/vorbis.c	(working copy)
+@@ -324,15 +324,15 @@
+
+ static bool load_vorbis() {
+ #if !LINKALL
+-	void *handle = dlopen(LIBVORBIS, RTLD_NOW);
++	void *handle = dlopen(LIBTREMOR, RTLD_NOW);
+ 	char *err;
+-	bool tremor = false;
++	bool tremor = true;
+
+ 	if (!handle) {
+ 		err = dlerror();
+-		handle = dlopen(LIBTREMOR, RTLD_NOW);
++		handle = dlopen(LIBVORBIS, RTLD_NOW);
+ 		if (handle) {
+-			tremor = true;
++			tremor = false;
+ 		} else {
+ 			LOG_INFO("dlerror: %s", err);
+ 			LOG_INFO("dlerror: %s", dlerror());