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Bug 1984892 - adcli: FTBFS because of libresolv changes in glibc 2.34
Summary: adcli: FTBFS because of libresolv changes in glibc 2.34
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: adcli
Version: CentOS Stream
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: beta
: ---
Assignee: Sumit Bose
QA Contact: sssd-qe
URL:
Whiteboard:
Depends On: 1984891
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-07-22 12:36 UTC by Florian Weimer
Modified: 2021-12-07 21:34 UTC (History)
4 users (show)

Fixed In Version: adcli-0.9.1-6.el9
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1984891
Environment:
Last Closed: 2021-12-07 21:33:05 UTC
Type: Bug
Target Upstream Version:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker SSSD-3704 0 None None None 2021-08-04 12:04:13 UTC

Description Florian Weimer 2021-07-22 12:36:38 UTC 
+++ This bug was initially created as a clone of Bug #1984891 +++

adcli-0.9.1-8.fc35 contains the following configure check:

AC_MSG_CHECKING(for which library has res_query)
for lib in "" "-lresolv"; do
	saved_LIBS="$LIBS"
	LIBS="$LIBS $lib"
	AC_LINK_IFELSE([
		AC_LANG_PROGRAM([#include <resolv.h>],
		                [res_query (0, 0, 0, 0, 0)])
	],
	[ AC_MSG_RESULT(${lib:-libc}); have_res_query="yes"; break; ],
	[ LIBS="$saved_LIBS" ])
done

In glibc 2.34, res_query has been moved into libc, so this no longer picks up -lresolv. However, in library/addisco.c, adcli uses ns_get32, and this symbol still needs -lresolv.

This leads to this linker failure:

libtool: link: gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -g -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wdeclaration-after-statement -Wformat=2 -Winit-self -Waggregate-return -Wno-missing-format-attribute -Wmissing-include-dirs -Wundef -Wl,-z -Wl,relro -Wl,--as-needed -Wl,-z -Wl,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -o adcli computer.o entry.o info.o tools.o -Wl,-z -Wl,relro -Wl,--as-needed -Wl,-z -Wl,now  ../library/.libs/libadcli.a -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lkrb5support -llber -lldap
/usr/bin/ld: /tmp/ccve9tqE.ltrans1.ltrans.o: undefined reference to symbol 'ns_get32@@GLIBC_2.9'
/usr/bin/ld: /usr/lib64/libresolv.so.2: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status

For Fedora, it should be possible to link with -lresolv unconditionally due to the --as-needed linker flag.
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