diff --git a/cmake/modules/ConfigSetup.cmake b/cmake/modules/ConfigSetup.cmake
index d2fded2..0baeac3 100644
--- a/cmake/modules/ConfigSetup.cmake
+++ b/cmake/modules/ConfigSetup.cmake
@@ -144,3 +144,6 @@
   set(USING_SPLIT_STACK 1)
 endif()
 set(USE_LIBFFI 1)
+
+# _Unwind_GetIPInfo is defined on Linux/AMD46.
+set(HAVE_GETIPINFO 1)
diff --git a/libgo/config.h.cmake b/libgo/config.h.cmake
index 7f0cefe..354c5e3 100644
--- a/libgo/config.h.cmake
+++ b/libgo/config.h.cmake
@@ -156,4 +156,7 @@
 /* Define if the compiler supports -fsplit-stack */
 #cmakedefine USING_SPLIT_STACK 1
 
+/* Define to 1 if _Unwind_GetIPInfo is available. */
+#cmakedefine HAVE_GETIPINFO 1
+
 #endif