diff -Naur openjdk-8.265_p01/jdk/src/solaris/native/sun/xawt/XToolkit.c openjdk-8.265_p01-copy/jdk/src/solaris/native/sun/xawt/XToolkit.c
--- openjdk-8.265_p01/jdk/src/solaris/native/sun/xawt/XToolkit.c	2020-10-11 15:53:09.316010360 -0400
+++ openjdk-8.265_p01-copy/jdk/src/solaris/native/sun/xawt/XToolkit.c	2020-10-11 21:09:12.892019555 -0400
@@ -27,7 +27,7 @@
 #include <X11/Xutil.h>
 #include <X11/Xos.h>
 #include <X11/Xatom.h>
-#ifdef __linux__
+#if defined(__linux__) && defined(__GLIBC__) && ! defined(__UCLIBC__)
 #include <execinfo.h>
 #endif
 
@@ -803,7 +803,7 @@
     return ret;
 }
 
-#ifdef __linux__
+#if defined(__linux__) && defined(__GLIBC__) && ! defined(__UCLIBC__)
 void print_stack(void)
 {
   void *array[10];