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From 351e67e1a7259ac31ec3a7c2d5e850e60f622a5a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Tue, 31 Jan 2017 19:55:33 -0500
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Subject: [PATCH] nss-util: silence warning about deprecated RES_USE_INET6
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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src/nss-resolve/nss-resolve.c: In function ‘_nss_resolve_gethostbyname_r’:
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src/nss-resolve/nss-resolve.c:680:13: warning: RES_USE_INET6 is deprecated
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 NSS_GETHOSTBYNAME_FALLBACKS(resolve);
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             ^~~~~~~~~~~~~~~~~~~~~~~~~
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In glibc bz #19582, RES_USE_INET6 was deprecated. This might make sense for
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clients, but they didn't take into account nss module implementations which
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*must* continue to support the option. glibc internally defines
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DEPRECATED_RES_USE_INET6 which can be used without emitting a warning, but
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it's not exported publicly. Let's do the same, and just copy the definition
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to our header.
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(cherry picked from commit 6154d33de3f15bbd5d5df718103af9c37ba0a768)
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Resolves: #1799002
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---
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 src/shared/nss-util.h | 6 +++++-
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 1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/src/shared/nss-util.h b/src/shared/nss-util.h
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index 230a986040..01524289c5 100644
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--- a/src/shared/nss-util.h
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+++ b/src/shared/nss-util.h
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@@ -25,6 +25,10 @@
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 #include <netdb.h>
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 #include <resolv.h>
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+#ifndef DEPRECATED_RES_USE_INET6
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+#  define DEPRECATED_RES_USE_INET6 0x00002000
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+#endif
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+
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 #define NSS_GETHOSTBYNAME_PROTOTYPES(module)            \
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 enum nss_status _nss_##module##_gethostbyname4_r(       \
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                 const char *name,                       \
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@@ -90,7 +94,7 @@ enum nss_status _nss_##module##_gethostbyname_r(        \
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                 int *errnop, int *h_errnop) {           \
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         enum nss_status ret = NSS_STATUS_NOTFOUND;      \
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                                                         \
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-        if (_res.options & RES_USE_INET6)               \
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+        if (_res.options & DEPRECATED_RES_USE_INET6)    \
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                 ret = _nss_##module##_gethostbyname3_r( \
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                         name,                           \
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                         AF_INET6,                       \