0001-Fix-compilation-on-musl.patch

From 16191998bc9ae59b6740ae96f3c1a935d7554d65 Mon Sep 17 00:00:00 2001
From: Clayton Craft <clayton@craftyguy.net>
Date: Mon, 19 Mar 2018 22:25:52 +0000
Subject: [PATCH 1/2] Fix compilation on musl

This relied on __GLIBC__ to omit glibc-specific things so that
compilation will not fail on musl
---
 src/glx/glx.c   | 6 ++++--
 src/util/ring.c | 4 +++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/glx/glx.c b/src/glx/glx.c
index a8622ed..31e691a 100644
--- a/src/glx/glx.c
+++ b/src/glx/glx.c
@@ -1,8 +1,9 @@
 #ifdef __linux__
 #include <linux/fb.h>
 #endif
-
+#ifdef __GLIBC__
 #include <execinfo.h>
+#endif
 #include <fcntl.h>
 #include <signal.h>
 #include <stdlib.h>
@@ -186,7 +187,7 @@ static void signal_handler(int sig) {
         g_bcm_active = false;
         bcm_host_deinit();
     }
-
+#ifdef __GLIBC__
     if (g_stacktrace) {
         switch (sig) {
             case SIGBUS:
@@ -205,6 +206,7 @@ static void signal_handler(int sig) {
             }
         }
     }
+#endif
     signal(sig, SIG_DFL);
     raise(sig);
 }
diff --git a/src/util/ring.c b/src/util/ring.c
index 94b3310..11a5069 100644
--- a/src/util/ring.c
+++ b/src/util/ring.c
@@ -9,7 +9,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/mman.h>
+#ifdef __GLIBC__
 #include <sys/sysctl.h>
+#endif
 #include <sys/types.h>
 #include <unistd.h>
 
@@ -167,7 +169,7 @@ int ring_write(ring_t *ring, void *buf, size_t bufsize) {
 
 const size_t cache_line_size() {
     size_t size;
-#ifdef __linux__
+#ifdef __GLIBC__
     size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
 #elif __APPLE__
     size_t ret_size = sizeof(size_t);
-- 
2.16.2