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Bug #75487 can't find res_ndestroy
Submitted: 2017-11-06 00:42 UTC Modified: 2021-08-29 04:22 UTC
Avg. Score:4.2 ± 1.0
Reproduced:4 of 4 (100.0%)
Same Version:0 (0.0%)
Same OS:2 (50.0%)
From: ddmitrie at gmail dot com Assigned: cmb (profile)
Status: No Feedback Package: Compile Failure
PHP Version: 7.2.0RC5 OS: Linux
Private report: No CVE-ID: None
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 [2017-11-06 00:42 UTC] ddmitrie at gmail dot com
configure makes certain attempts to find res_ndestroy() under various names, including for example __res_ndestroy() and innocuous_res_ndestroy, in various libraries including bind, resolv 

If I get it right, it finally finds this function in bind under __res_ndestroy name:

configure:79335: checking for __res_ndestroy in -lbind
configure:79360: cc -o conftest -I/usr/include -g -O2 -fvisibility=hidden  -L/usr/lib  -Wl,-rpath,/home/myaccount/php/install/lib -L/home/myaccount/php/install/lib conftest.c -lbind  -lresolv -lcrypt -lrt -lrt -lm -ldl -configure:79360: $? = 0
configure:79369: result: yes

and main/php_config.h gets the following entry:


all of sudden, make fails

it looks like res_ndestroy used by configure as an alias to __res_ndestroy didn't make through and compiler still found res_ndestroy() calls, otherwise it would complaint about missed __res_ndestroy

if I comment out HAVE_RES_NDESTROY in php_configure.h and rebuild with make clean all, it fails on missed isfinite() function. Commenting out HAVE_ISFINITE brings yet another failure: undeclared CALLGRIND_STOP_INSTRUMENTATION and CALLGRIND_START_INSTRUMENTATION symbols. Finally commenting out HAVE_VALGRIND results in success.

Test script:
./configure --prefix=/home/myaccount/php/install \
 --disable-fileinfo \
 --with-libxml-dir=/home/myaccount/php/install && \

Actual result:
ext/standard/.libs/dns.o(.text+0x1608): In function `zif_dns_check_record':
php-7.2.0RC5/ext/standard/dns.c:422: undefined reference to `res_ndestroy'
ext/standard/.libs/dns.o(.text+0x1c1a): In function `zif_dns_get_record':
php-7.2.0RC5/ext/standard/dns.c:1013: undefined reference to `res_ndestroy'
php-7.2.0RC5/ext/standard/dns.c:937: undefined reference to `res_ndestroy'
php-7.2.0RC5/ext/standard/dns.c:972: undefined reference to `res_ndestroy'


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 [2017-11-10 03:03 UTC] ddmitrie at gmail dot com
7.2.0RC6  didn't change anything. Still fails to compile
 [2021-08-18 17:12 UTC]
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2021-08-18 17:12 UTC]
Is this still an issue for you with any of the actively supported
PHP versions[1]?  If so, which compiler and libc (please specify
the versions as well) are you using.

[1] <>
 [2021-08-29 04:22 UTC] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
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