--- Source/WTF/wtf/Assertions.cpp
+++ Source/WTF/wtf/Assertions.cpp
@@ -64,7 +64,7 @@
 #include <windows.h>
 #endif
 
-#if OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))
+#if OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
 #include <cxxabi.h>
 #include <dlfcn.h>
 #include <execinfo.h>
@@ -242,7 +242,7 @@
 
 void WTFGetBacktrace(void** stack, int* size)
 {
-#if OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))
+#if OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
     *size = backtrace(stack, *size);
 #elif OS(WINDOWS) && !OS(WINCE)
     // The CaptureStackBackTrace function is available in XP, but it is not defined
