1 files changed, 27 insertions, 1 deletions
diff --git a/lib/texpect/texpect.c b/lib/texpect/texpect.c
index 9256b5ee31f..b553de8ca5c 100644
--- a/lib/texpect/texpect.c
+++ b/lib/texpect/texpect.c
@@ -56,7 +56,33 @@
 #ifdef HAVE_ERR_H
 #include <err.h>
 #else
-#include <ccan/err/err.h>
+const char progname[] = "unknown program";
+
+static void err(int eval, const char *fmt, ...)
+{
+	int err_errno = errno;
+	va_list ap;
+
+	fprintf(stderr, "%s: ", progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, ": %s\n", strerror(err_errno));
+	exit(eval);
+}
+
+static void errx(int eval, const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, "\n");
+	exit(eval);
+}
+
 #endif
 
 struct command {