version-etc: work also with AM_INIT_AUTOMAKE's no-define option

[gnulib.git] / lib / version-etc.c

diff --git a/lib/version-etc.c b/lib/version-etc.c
index bf67c37..d76aa7c 100644 (file)
--- a/lib/version-etc.c
+++ b/lib/version-etc.c
@@ -32,6 +32,12 @@
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
 
+/* If you use AM_INIT_AUTOMAKE's no-define option,
+   PACKAGE is not defined.  Use PACKAGE_TARNAME instead.  */
+#if ! defined PACKAGE && defined PACKAGE_TARNAME
+# define PACKAGE PACKAGE_TARNAME
+#endif
+
 enum { COPYRIGHT_YEAR = 2009 };
 
 /* The three functions below display the --version information the