libnss-nis: Fix build with glibc 2.30

(From OE-Core rev: 04a21c70736cd8a0fd78a1bd0d979a95d5a5640d)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 163 insertions, 0 deletions

diff --git a/meta/recipes-extended/libnss-nis/libnss-nis.bb b/meta/recipes-extended/libnss-nis/libnss-nis.bb
index 47447acd6c..4fbd4b1f6a 100644
--- a/meta/recipes-extended/libnss-nis/libnss-nis.bb
+++ b/meta/recipes-extended/libnss-nis/libnss-nis.bb
@@ -18,6 +18,7 @@ PV = "3.0+git${SRCPV}"
 SRCREV = "d4aea48657a8e90d7922574b8021ee03915a36cb"
 
 SRC_URI = "git://github.com/thkukuk/libnss_nis \
+           file://0001-nis-hosts-Remove-use-of-RES_USE_INET6.patch \
           "
 
 S = "${WORKDIR}/git"
diff --git a/meta/recipes-extended/libnss-nis/libnss-nis/0001-nis-hosts-Remove-use-of-RES_USE_INET6.patch b/meta/recipes-extended/libnss-nis/libnss-nis/0001-nis-hosts-Remove-use-of-RES_USE_INET6.patch
new file mode 100644
index 0000000000..348c8c94b6
--- /dev/null
+++ b/meta/recipes-extended/libnss-nis/libnss-nis/0001-nis-hosts-Remove-use-of-RES_USE_INET6.patch
@@ -0,0 +1,162 @@
+From e41ddbd89a4bb042ac00469fa5880ba584c25c05 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 25 Jul 2019 12:10:56 -0700
+Subject: [PATCH] nis-hosts: Remove use of RES_USE_INET6
+
+Upstream glibc dropped it starting glibc 2.30
+see
+https://sourceware.org/git/?p=glibc.git;a=commit;h=3f8b44be0a658266adff5ece1e4bc3ce097a5dbe
+
+Fixes issue #6
+
+Upstream-Status: Submitted [https://github.com/thkukuk/libnss_nis/pull/7]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/nis-hosts.c | 55 ++++++++++++-------------------------------------
+ 1 file changed, 13 insertions(+), 42 deletions(-)
+
+diff --git a/src/nis-hosts.c b/src/nis-hosts.c
+index 307b46e..bd3c4ad 100644
+--- a/src/nis-hosts.c
++++ b/src/nis-hosts.c
+@@ -35,15 +35,12 @@
+ #include "libc-lock.h"
+ #include "nss-nis.h"
+ 
+-/* Get implementation for some internal functions. */
+-#include "mapv4v6addr.h"
+-
+ #define ENTNAME         hostent
+ #define DATABASE        "hosts"
+ #define NEED_H_ERRNO
+ 
+-#define EXTRA_ARGS      , af, flags
+-#define EXTRA_ARGS_DECL , int af, int flags
++#define EXTRA_ARGS      , af
++#define EXTRA_ARGS_DECL , int af
+ 
+ #define ENTDATA hostent_data
+ struct hostent_data
+@@ -67,19 +64,8 @@ LINE_PARSER
+    /* Parse address.  */
+    if (af != AF_INET6 && inet_pton (AF_INET, addr, entdata->host_addr) > 0)
+      {
+-       assert ((flags & AI_V4MAPPED) == 0 || af != AF_UNSPEC);
+-       if (flags & AI_V4MAPPED)
+-        {
+-          map_v4v6_address ((char *) entdata->host_addr,
+-                            (char *) entdata->host_addr);
+-          result->h_addrtype = AF_INET6;
+-          result->h_length = IN6ADDRSZ;
+-        }
+-       else
+-        {
+-          result->h_addrtype = AF_INET;
+-          result->h_length = INADDRSZ;
+-        }
++       result->h_addrtype = AF_INET;
++       result->h_length = INADDRSZ;
+      }
+    else if (af != AF_INET
+            && inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
+@@ -134,7 +120,7 @@ strong_alias (_nss_nis_sethostent, _nss_nis_endhostent)
+ static enum nss_status
+ internal_nis_gethostent_r (struct hostent *host, char *buffer,
+                           size_t buflen, int *errnop, int *h_errnop,
+-                          int af, int flags)
++                          int af)
+ {
+   char *domain;
+   if (yp_get_default_domain (&domain))
+@@ -203,7 +189,7 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
+        ++p;
+       free (result);
+ 
+-      parse_res = parse_line (p, host, data, buflen, errnop, af, flags);
++      parse_res = parse_line (p, host, data, buflen, errnop, af);
+       if (parse_res == -1)
+        {
+          free (outkey);
+@@ -232,8 +218,7 @@ _nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen,
+   __libc_lock_lock (lock);
+ 
+   status = internal_nis_gethostent_r (host, buffer, buflen, errnop, h_errnop,
+-                       ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET),
+-                       ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0 ));
++                       AF_INET);
+ 
+   __libc_lock_unlock (lock);
+ 
+@@ -244,7 +229,7 @@ _nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen,
+ static enum nss_status
+ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
+                           char *buffer, size_t buflen, int *errnop,
+-                          int *h_errnop, int flags)
++                          int *h_errnop)
+ {
+   uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+   buffer += pad;
+@@ -318,7 +303,7 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
+     ++p;
+   free (result);
+ 
+-  int parse_res = parse_line (p, host, data, buflen, errnop, af, flags);
++  int parse_res = parse_line (p, host, data, buflen, errnop, af);
+ 
+   if (parse_res < 1 || host->h_addrtype != af)
+     {
+@@ -351,8 +336,7 @@ _nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host,
+     }
+ 
+   return internal_gethostbyname2_r (name, af, host, buffer, buflen, errnop,
+-                                   h_errnop,
+-                       ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
++                                   h_errnop);
+ }
+ 
+ 
+@@ -360,18 +344,8 @@ enum nss_status
+ _nss_nis_gethostbyname_r (const char *name, struct hostent *host, char *buffer,
+                          size_t buflen, int *errnop, int *h_errnop)
+ {
+-  if (_res.options & RES_USE_INET6)
+-    {
+-      enum nss_status status;
+-
+-      status = internal_gethostbyname2_r (name, AF_INET6, host, buffer, buflen,
+-                                         errnop, h_errnop, AI_V4MAPPED);
+-      if (status == NSS_STATUS_SUCCESS)
+-       return status;
+-    }
+-
+   return internal_gethostbyname2_r (name, AF_INET, host, buffer, buflen,
+-                                   errnop, h_errnop, 0);
++                                   errnop, h_errnop);
+ }
+ 
+ 
+@@ -433,9 +407,7 @@ _nss_nis_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
+     ++p;
+   free (result);
+ 
+-  int parse_res = parse_line (p, host, data, buflen, errnop, af,
+-                             ((_res.options & RES_USE_INET6)
+-                              ? AI_V4MAPPED : 0));
++  int parse_res = parse_line (p, host, data, buflen, errnop, af);
+   if (parse_res < 1)
+     {
+       if (parse_res == -1)
+@@ -532,8 +504,7 @@ _nss_nis_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
+   buflen -= pad;
+ 
+   struct hostent host;
+-  int parse_res = parse_line (result, &host, data, buflen, errnop, AF_UNSPEC,
+-                             0);
++  int parse_res = parse_line (result, &host, data, buflen, errnop, AF_UNSPEC);
+   if (parse_res < 1)
+     {
+       if (parse_res == -1)
+-- 
+2.22.0
+