From: [EMAIL PROTECTED]
Operating system: Linux 2.2.5
PHP version: 4.0.4
PHP Bug Type: Compile Failure
Bug description: Undefined Versioned Symbol
I have previously reported a problem with php-4.0.4 failing to compile, aborting with
an undefined versioned symbol error (on __ns_name_unpack@@GLIBC_2.1).
This problem has been reported here several times, and on all occassions the
development team has responded with "this isn't a php problem" feedback. Which is, of
course, not very helpful to those people trying to get php to compile.
In my case I was finally able to get php to compile by moving all of the resolver
libraries out of /usr/lib. Why this should have been necessary I do not know; all I
know is that moving:
libresolv.a
libresolv_p.a
libresolv.so (symlinked to /lib/libresolv.so.2)
out of /usr/lib allowed php to compile.
The relevant section of the config.log file seems to be:
===========================
configure:5046: checking for inet_aton in -lbind
configure:5065: gcc -o conftest -g -O2 -DLINUX=2 -DUSE_HSREGEX -DUSE_EXPAT
-DNO_DL_NEEDED conftes$
configure:5103: checking for inet_aton in -lresolv
configure:5122: gcc -o conftest -g -O2 -DLINUX=2 -DUSE_HSREGEX -DUSE_EXPAT
-DNO_DL_NEEDED conftes$
/usr/i586-pc-linux-gnu/bin/ld: cannot find -lresolv
collect2: ld returned 1 exit status
configure: failed program was:
#line 5111 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char inet_aton();
int main() {
inet_aton()
; return 0; }
===========================
Apparently, configure looks for inet_aton in -lbind and -lresolv, and when it finds
them in both, gets confused. Preventing it from finding the -lresolv libraries solves
the problem.
I think. I'll be sure when I get my site to work (i.e., I'm wondering if php compiled,
but perhaps isn't functional, and is screwing up httpd).
In any event, I think this qualifies as an issue to either fix in the configure
script, or post a warning about in the INSTALL file.
And I hope to Ghu that no one else has to deal with this ridiculously obscure problem!
- Mark
--
Edit Bug report at: http://bugs.php.net/?id=8814&edit=1
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