Patch from Rene Liebscher <R.Liebscher@gmx.de>, slightly modified and
commented by Fred Drake, to prevent usage of sufficiently broken GCC
versions.
diff --git a/PC/config.h b/PC/config.h
index 1491e32..7081551 100644
--- a/PC/config.h
+++ b/PC/config.h
@@ -26,6 +26,14 @@
*/
+/* Suggested by Rene Liebscher <R.Liebscher@gmx.de> to avoid a GCC 2.91.*
+ bug that requires structure imports. More recent versions of the
+ compiler don't exhibit this bug.
+*/
+#if (__GNUC__==2) && (__GNUC_MINOR__<=91)
+#error "Please use an up-to-date version of gcc"
+#endif
+
/*
Some systems require special declarations for data items imported
or exported from dynamic link libraries. Note that the definition