--- source/src/tools.cpp
+++ source/src/tools.cpp
@@ -202,7 +202,7 @@
     }
     fatal("%s", out);
 }
-#elif defined(linux) || defined(__linux) || defined(__linux__)
+#elif defined(GLIBC) || defined(__GLIBC) || defined(__GLIBC__)
 
 #include <execinfo.h>