--- ./third_party/swiftshader/third_party/llvm-subzero/build/Linux/include/llvm/Config/config.h
+++ ./third_party/swiftshader/third_party/llvm-subzero/build/Linux/include/llvm/Config/config.h
@@ -14,7 +14,7 @@
 #define ENABLE_CRASH_OVERRIDES 1
 
 /* Define to 1 if you have the `backtrace' function. */
-#define HAVE_BACKTRACE 1
+/* #define HAVE_BACKTRACE 1 */
 
 /* Define to 1 if you have the <CrashReporterClient.h> header file. */
 /* #undef HAVE_CRASHREPORTERCLIENT_H */
@@ -55,7 +55,7 @@
 #define HAVE_ERRNO_H 1
 
 /* Define to 1 if you have the <execinfo.h> header file. */
-#define HAVE_EXECINFO_H 1
+/*#undef HAVE_EXECINFO_H 1 */
 
 /* Define to 1 if you have the <fcntl.h> header file. */
 #define HAVE_FCNTL_H 1
@@ -130,10 +130,10 @@
 /* #undef HAVE_MALLCTL */
 
 /* Define to 1 if you have the `mallinfo' function. */
-#define HAVE_MALLINFO 1
+/* #undef HAVE_MALLINFO 1*/
 
 /* Define to 1 if you have the <malloc.h> header file. */
-#define HAVE_MALLOC_H 1
+/* #undef HAVE_MALLOC_H 1 */
 
 /* Define to 1 if you have the <malloc/malloc.h> header file. */
 /* #undef HAVE_MALLOC_MALLOC_H */