Source: @pullmoll
Upstream: no
Reason: Musl libc does not have inet_nsap_addr(3) [undocumented]

--- a/src/common/callerid.c	2019-12-20 21:43:45.000000000 +0100
+++ b/src/common/callerid.c	2020-02-23 12:45:25.878565832 +0100
@@ -81,6 +81,68 @@
 #define PATH_PROCNET_TCP6 "/proc/net/tcp6"
 #endif
 
+#if !defined(__GLIBC__)
+/*
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <ctype.h>
+#include <resolv.h>
+static char
+xtob(int c) {
+        return (c - (((c >= '0') && (c <= '9')) ? '0' : '7'));
+}
+
+unsigned int inet_nsap_addr(const char *ascii, unsigned char *binary, int maxlen)
+{
+        unsigned char c, nib;
+        unsigned int len = 0;
+        while ((c = *ascii++) != '\0' && len < (unsigned int)maxlen) {
+                if (c == '.' || c == '+' || c == '/')
+                        continue;
+                if (!isascii(c))
+                        return (0);
+                c = toupper(c);
+                if (isxdigit(c)) {
+                        nib = xtob(c);
+                        c = *ascii++;
+                        if (c != '\0') {
+                                c = toupper(c);
+                                if (isxdigit(c)) {
+                                        *binary++ = (nib << 4) | xtob(c);
+                                        len++;
+                                } else {
+                                        return 0;
+				}
+                        } else {
+                                return 0;
+			}
+                } else {
+                        return 0;
+		}
+        }
+        return len;
+}
+#endif	/* !defined(__GLIBC__) */
+
 strong_alias(callerid_get_own_netinfo, slurm_callerid_get_own_netinfo);
 
 static int _match_inode(callerid_conn_t *conn_result, ino_t *inode_search,