1 files changed, 16 insertions, 0 deletions
diff --git a/version.c b/version.c
index a44fbf6..590e587 100644
--- a/version.c
+++ b/version.c
@@ -5,6 +5,22 @@
 #define STR1(x) #x
 #define STR(x) STR1(x)
 
+#ifdef INCLUDE_EMPTY_H
+/*
+ * Horrible hack to force version.o to be rebuilt unconditionally in
+ * the automake world: empty.h is an empty header file, created by the
+ * makefile and forcibly updated every time make is run. Including it
+ * here causes automake to track it as a dependency, which will cause
+ * version.o to be rebuilt too.
+ *
+ * The space between # and include causes mkfiles.pl's dependency
+ * scanner (for all other makefile types) to ignore this include,
+ * which is correct because only the automake makefile passes
+ * -DINCLUDE_EMPTY_H to enable it.
+ */
+# include "empty.h"
+#endif
+
 #if defined REVISION
 
 char ver[] = "Revision: r" STR(REVISION);