--- a/lib/archive.c	2024-09-24 16:39:21.000000000 -0400
+++ b/lib/archive.c	2024-11-23 21:12:31.213747869 -0500
@@ -493,6 +493,18 @@
 	return ret;
 }
 
+/* 20241123 bkw: work around lack of fcntl() F_GETPATH on Linux */
+static int fd2path(int fd, char *buf) {
+	char procpath[PATH_MAX];
+
+	sprintf(procpath, "/proc/self/fd/%d", fd);
+
+	if(realpath(procpath, buf))
+		return 0;
+
+	return -1;
+}
+
 xar_t xar_fdopen_digest_verify(int fd, int32_t flags, void *expected_toc_digest, size_t expected_toc_digest_len)
 {
 	// Dup the descriptor vended to us so that we don't take ownership
@@ -507,7 +519,7 @@
 	// If there are hardlinks, the path we pick is the most recently opened by
 	// the filesystem; which is effectively random.
 	char path_buff[PATH_MAX];
-	if (fcntl(fd, F_GETPATH, path_buff) < 0) {
+	if (fd2path(fd, path_buff) < 0) {
 		close(fd);
 		return NULL;
 	}