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Diffstat (limited to 'misc/progname.c')
-rw-r--r--misc/progname.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/misc/progname.c b/misc/progname.c
index 265ca5c3a9..d4efac976d 100644
--- a/misc/progname.c
+++ b/misc/progname.c
@@ -21,8 +21,11 @@ Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <string.h>
-char *program_invocation_name;
-char *program_invocation_short_name;
+/* These must be initialized data definitions. Common definitions satisfy
+ references to these variables, but do not cause the whole file to be
+ linked in, and so omit the set-up function. */
+char *program_invocation_name = NULL;
+char *program_invocation_short_name = NULL;
static void
DEFUN(set_progname, (argc, argv, envp),