Fix for no member named 'init_jmpbuf' on AIX

sumitradawn · V8 LUCI CQ · commit b5b5d6c31bb0 · 2023-09-21T18:24:39.000Z
In AIX, the system header file usr/include/sys/context.h file has jmpbuf redefined as __jmpbuf which is creating the problem here. Change-Id: I4393e260092016315ac7559465684e3fdbba4900 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4868434 Reviewed-by: Jakob Linke <jgruber@chromium.org> Commit-Queue: Milad Farazmand <mfarazma@redhat.com> Cr-Commit-Position: refs/heads/main@{#90087}
diff --git a/src/common/globals.h b/src/common/globals.h
@@ -21,6 +21,12 @@
 
 #define V8_INFINITY std::numeric_limits<double>::infinity()
 
+// AIX has jmpbuf redefined as __jmpbuf in /usr/include/sys/context.h
+// which replaces v8's jmpbuf , resulting in undefined symbol errors
+#if defined(V8_OS_AIX) && defined(jmpbuf)
+#undef jmpbuf
+#endif
+
 namespace v8 {
 
 namespace base {
