1 files changed, 8 insertions, 0 deletions

diff --git a/src/s/aix3-2.h b/src/s/aix3-2.h
index eb0fa5ddc85..46b0ed560ed 100644
--- a/src/s/aix3-2.h
+++ b/src/s/aix3-2.h
@@ -21,3 +21,11 @@
    3.2, and a cc-compiled Emacs works with this undefined.
    --karl@cs.umb.edu.  */
 #undef SYSTEM_MALLOC
+
+/* For AIX, it turns out compiling emacs under AIX 3.2.4 REQUIRES "cc -g"
+   because "cc -O" crashes. Under AIX 3.2.5, "cc -O" is required because
+   "cc -g" crashes. Go figure.  --floppy@merlin.mit.edu */
+#ifndef __GNUC__
+#define C_SWITCH_DEBUG -g
+#define C_SWITCH_OPTIMIZE
+#endif