Blame SOURCES/0001-configure-check-for-ns_get16-and-ns_get32-as-well.patch

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From e841ba7513f3f8b6393183d2dea9adcbf7ba2e44 Mon Sep 17 00:00:00 2001
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From: Sumit Bose <sbose@redhat.com>
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Date: Wed, 28 Jul 2021 12:55:16 +0200
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Subject: [PATCH] configure: check for ns_get16 and ns_get32 as well
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With newer versions of glibc res_query() might ba already available in
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glibc with ns_get16() and ns_get32() still requires libresolv.
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1984891
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---
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 configure.ac | 6 ++++--
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 1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index c6ff31d..fc6e790 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -98,13 +98,15 @@ AC_SUBST(LDAP_CFLAGS)
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 # -------------------------------------------------------------------
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 # resolv
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-AC_MSG_CHECKING(for which library has res_query)
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+AC_MSG_CHECKING([for which library has res_query, ns_get16 and ns_get32])
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 for lib in "" "-lresolv"; do
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 	saved_LIBS="$LIBS"
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 	LIBS="$LIBS $lib"
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 	AC_LINK_IFELSE([
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 		AC_LANG_PROGRAM([#include <resolv.h>],
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-		                [res_query (0, 0, 0, 0, 0)])
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+		                [res_query (0, 0, 0, 0, 0);
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+		                 ns_get32 (NULL);
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+		                 ns_get16 (NULL);])
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 	],
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 	[ AC_MSG_RESULT(${lib:-libc}); have_res_query="yes"; break; ],
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 	[ LIBS="$saved_LIBS" ])
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-- 
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2.31.1
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