prevent empty translation units for compilers that don't like them

pittma · Oct 30, 2023 · 5c2a012 · 5c2a012
1 parent 64b3a80
commit 5c2a012
Showing 1 changed file with 12 additions and 1 deletion.
diff --git a/crypto/fipsmodule/bn/rsaz_exp_x2.c b/crypto/fipsmodule/bn/rsaz_exp_x2.c
@@ -19,7 +19,18 @@
 #include "rsaz_exp.h"
 
 #ifndef RSAZ_ENABLED
-NON_EMPTY_TRANSLATION_UNIT
+/*
+ * This appears in openssl as just:
+ *
+ *   NON_EMPTY_TRANSLATION_UNIT
+ *
+ * This macro is defined in include/openssl/macros.h like so:
+ *
+ *   // Sometimes OPENSSL_NO_xxx ends up with an empty file and some
+ *   // compilers don't like that.  This will hopefully silence them.
+ *   # define NON_EMPTY_TRANSLATION_UNIT static void *dummy = &dummy;
+ */
+static void *dummy = &dummy;
 #else
 # include <assert.h>
 # include <string.h>