https://git.alpinelinux.org/aports/tree/community/kodi/fix-musl-incompability.patch

diff --git a/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp b/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp
index 1d5564c8c5..73c07fb586 100644
--- a/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp
+++ b/xbmc/cores/DllLoader/exports/emu_msvcrt.cpp
@@ -72,6 +72,13 @@
 #include "platform/win32/CharsetConverter.h"
 #endif
 
+#ifndef _PATH_MOUNTED
+#define _PATH_MOUNTED "/proc/mounts"
+#endif
+#ifndef _PATH_MNTTAB
+#define _PATH_MNTTAB "/etc/fstab"
+#endif
+
 using namespace XFILE;
 
 struct SDirData
@@ -124,7 +131,7 @@ extern "C" void __stdcall init_emu_environ()
   dll_putenv("OS=win10");
 #elif defined(TARGET_DARWIN)
   dll_putenv("OS=darwin");
-#elif defined(TARGET_POSIX)
+#elif defined(TARGET_POSIX) || !defined(__GLIBC__)
   dll_putenv("OS=linux");
 #else
   dll_putenv("OS=unknown");
@@ -1480,7 +1487,7 @@ extern "C"
     int ret;
 
     ret = dll_fgetpos64(stream, &tmpPos);
-#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
+#if !defined(__GLIBC__) || !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
     *pos = (fpos_t)tmpPos;
 #else
     pos->__pos = (off_t)tmpPos.__pos;
@@ -1493,8 +1500,9 @@ extern "C"
     CFile* pFile = g_emuFileWrapper.GetFileXbmcByStream(stream);
     if (pFile != NULL)
     {
-#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
-      *pos = pFile->GetPosition();
+#if !defined(__GLIBC__) || !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
+      uint64_t *ppos = (uint64_t *)pos;
+      *ppos = pFile->GetPosition();
 #else
       pos->__pos = pFile->GetPosition();
 #endif
@@ -1509,8 +1517,9 @@ extern "C"
     int fd = g_emuFileWrapper.GetDescriptorByStream(stream);
     if (fd >= 0)
     {
-#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
-      if (dll_lseeki64(fd, *pos, SEEK_SET) >= 0)
+#if !defined(TARGET_POSIX) || !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
+      const uint64_t *ppos = (const uint64_t *) pos;
+      if (dll_lseeki64(fd, *ppos, SEEK_SET) >= 0)
 #else
       if (dll_lseeki64(fd, (__off64_t)pos->__pos, SEEK_SET) >= 0)
 #endif
@@ -1532,7 +1541,7 @@ extern "C"
     if (fd >= 0)
     {
       fpos64_t tmpPos;
-#if !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
+#if !defined(__GLIBC__) || !defined(TARGET_POSIX) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
       tmpPos= *pos;
 #else
       tmpPos.__pos = (off64_t)(pos->__pos);
diff --git a/xbmc/cores/DllLoader/exports/emu_msvcrt.h b/xbmc/cores/DllLoader/exports/emu_msvcrt.h
index 7869dc221c..3b86d6b45b 100644
--- a/xbmc/cores/DllLoader/exports/emu_msvcrt.h
+++ b/xbmc/cores/DllLoader/exports/emu_msvcrt.h
@@ -17,7 +17,7 @@
 #define _onexit_t void*
 #endif
 
-#if defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
+#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
 typedef off_t __off_t;
 typedef int64_t off64_t;
 typedef off64_t __off64_t;
diff --git a/xbmc/cores/DllLoader/exports/wrapper.c b/xbmc/cores/DllLoader/exports/wrapper.c
index 33ab3437c1..5a68de2c64 100644
--- a/xbmc/cores/DllLoader/exports/wrapper.c
+++ b/xbmc/cores/DllLoader/exports/wrapper.c
@@ -23,7 +23,7 @@
 #include <dirent.h>
 #include <dlfcn.h>
 
-#if defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
+#if !defined(__GLIBC__) || defined(TARGET_DARWIN) || defined(TARGET_FREEBSD) || defined(TARGET_ANDROID)
 typedef off_t     __off_t;
 typedef int64_t   off64_t;
 typedef off64_t   __off64_t;
