--- JuceLibraryCode/modules/juce_core/juce_core.cpp	2016-08-30 06:24:27.000000000 +0200
+++ JuceLibraryCode/modules/juce_core/juce_core.cpp	2016-12-12 14:53:23.532613378 +0100
@@ -97,7 +97,7 @@
  #include <net/if.h>
  #include <sys/ioctl.h>
 
- #if ! JUCE_ANDROID
+ #if ! JUCE_ANDROID && defined(__GLIBC__)
   #include <execinfo.h>
  #endif
 #endif
--- JuceLibraryCode/modules/juce_core/system/juce_SystemStats.cpp	2016-08-30 06:24:27.000000000 +0200
+++ JuceLibraryCode/modules/juce_core/system/juce_SystemStats.cpp	2016-12-12 14:58:35.988986030 +0100
@@ -134,6 +134,8 @@
         }
     }
 
+   #elif !defined(__GLIBC__)
+    jassertfalse; // sorry, not implemented yet!
    #else
     void* stack[128];
     int frames = backtrace (stack, numElementsInArray (stack));
--- JuceLibraryCode/modules/juce_core/native/juce_linux_SystemStats.cpp	2016-08-30 06:24:27.000000000 +0200
+++ JuceLibraryCode/modules/juce_core/native/juce_linux_SystemStats.cpp	2016-12-12 15:07:35.046607788 +0100
@@ -142,8 +142,15 @@
     return result;
 }
 
+#if defined(__GLIBC__)
 String SystemStats::getUserLanguage()    { return getLocaleValue (_NL_IDENTIFICATION_LANGUAGE); }
 String SystemStats::getUserRegion()      { return getLocaleValue (_NL_IDENTIFICATION_TERRITORY); }
+#else
+// The identifiers _NL_INDENTIFICATION_LANGUAGE and _TERRIRTORY are not defined in musl libc.
+// TODO: Find a better fix than just returning nonsense. Inspect env("LANG") perhaps?
+String SystemStats::getUserLanguage()    { return String("en"); }
+String SystemStats::getUserRegion()      { return String("US"); }
+#endif
 String SystemStats::getDisplayLanguage() { return getUserLanguage() + "-" + getUserRegion(); }
 
 //==============================================================================
