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87 lines
3.1 KiB
Diff
87 lines
3.1 KiB
Diff
commit 78a90c2f74a2012dd3eff302189e47ff6779a757
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Author: Andreas Schwab <schwab@linux-m68k.org>
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Date: Fri Mar 2 23:07:14 2018 +0100
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Fix multiple definitions of __nss_*_database (bug 22918)
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(cherry picked from commit eaf6753f8aac33a36deb98c1031d1bad7b593d2d)
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diff --git a/nscd/gai.c b/nscd/gai.c
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index d081747797..576fd0045b 100644
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--- a/nscd/gai.c
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+++ b/nscd/gai.c
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@@ -45,3 +45,6 @@
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#ifdef HAVE_LIBIDN
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# include <libidn/idn-stub.c>
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#endif
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+
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+/* Some variables normally defined in libc. */
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+service_user *__nss_hosts_database attribute_hidden;
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diff --git a/nss/nsswitch.c b/nss/nsswitch.c
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index d5e655974f..b0f0c11a3e 100644
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--- a/nss/nsswitch.c
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+++ b/nss/nsswitch.c
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@@ -62,7 +62,7 @@ static service_library *nss_new_service (name_database *database,
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/* Declare external database variables. */
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#define DEFINE_DATABASE(name) \
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- extern service_user *__nss_##name##_database attribute_hidden; \
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+ service_user *__nss_##name##_database attribute_hidden; \
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weak_extern (__nss_##name##_database)
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#include "databases.def"
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#undef DEFINE_DATABASE
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diff --git a/nss/nsswitch.h b/nss/nsswitch.h
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index eccb535ef5..63573b9ebc 100644
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--- a/nss/nsswitch.h
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+++ b/nss/nsswitch.h
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@@ -226,10 +226,10 @@ libc_hidden_proto (__nss_hostname_digits_dots)
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#define MAX_NR_ADDRS 48
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/* Prototypes for __nss_*_lookup2 functions. */
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-#define DEFINE_DATABASE(arg) \
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- service_user *__nss_##arg##_database attribute_hidden; \
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- int __nss_##arg##_lookup2 (service_user **, const char *, \
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- const char *, void **); \
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+#define DEFINE_DATABASE(arg) \
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+ extern service_user *__nss_##arg##_database attribute_hidden; \
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+ int __nss_##arg##_lookup2 (service_user **, const char *, \
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+ const char *, void **); \
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libc_hidden_proto (__nss_##arg##_lookup2)
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#include "databases.def"
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#undef DEFINE_DATABASE
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diff --git a/posix/tst-rfc3484-2.c b/posix/tst-rfc3484-2.c
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index f509534ca9..8c64ac59ff 100644
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--- a/posix/tst-rfc3484-2.c
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+++ b/posix/tst-rfc3484-2.c
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@@ -58,6 +58,7 @@ _res_hconf_init (void)
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#undef USE_NSCD
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#include "../sysdeps/posix/getaddrinfo.c"
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+service_user *__nss_hosts_database attribute_hidden;
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/* This is the beginning of the real test code. The above defines
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(among other things) the function rfc3484_sort. */
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diff --git a/posix/tst-rfc3484-3.c b/posix/tst-rfc3484-3.c
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index ae44087a10..1c61aaf844 100644
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--- a/posix/tst-rfc3484-3.c
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+++ b/posix/tst-rfc3484-3.c
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@@ -58,6 +58,7 @@ _res_hconf_init (void)
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#undef USE_NSCD
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#include "../sysdeps/posix/getaddrinfo.c"
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+service_user *__nss_hosts_database attribute_hidden;
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/* This is the beginning of the real test code. The above defines
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(among other things) the function rfc3484_sort. */
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diff --git a/posix/tst-rfc3484.c b/posix/tst-rfc3484.c
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index 7f191abbbc..8f45848e44 100644
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--- a/posix/tst-rfc3484.c
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+++ b/posix/tst-rfc3484.c
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@@ -58,6 +58,7 @@ _res_hconf_init (void)
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#undef USE_NSCD
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#include "../sysdeps/posix/getaddrinfo.c"
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+service_user *__nss_hosts_database attribute_hidden;
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/* This is the beginning of the real test code. The above defines
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(among other things) the function rfc3484_sort. */
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