[PHP-DEV] apache134 with libphp3.so: undefined symbol: __dn_skipname From: Peter Lerner (peter.lerner <email protected>)
Date: 03/01/99

hi,

i use latest php3/cvs, latest apache 1.3.4, linux-2.2.1
and got the following error after starting apache:

Syntax error on line 235 of /etc/httpd/httpd.conf:
Cannot load /usr/local/apache/libexec/libphp3.so into server:
/usr/local/apache/libexec/libphp3.so:
undefined symbol: __dn_skipname

configure also tells me that i don't have 'dn_skipname' ..
  checking for dn_skipname in -lresolv... no

despite this i *have* '__dn_skipname' defined in libresolv.so.2 ..
styx:/sbin/init.d # nm /lib/libresolv.so.2 |grep skipname
  00003980 T __dn_skipname

so i guess the apache's php3-modules Makefile is missing
a "-lresolve". manually adding "-lresolve" to
.../apache-1.3.4/src/modules/php3/Makefile makes it work.

...
LIBS1= -lresolv -lm -ldl -lm -lcrypt -lndbm -lgdbm -ldl
... ^^^^^^^^

following is the configure.in code to blame. sorry, don't
know how to handle it.

----------------
dnl The res_search may be in libsocket as well, and if it is
dnl make sure to check for dn_skipname in libresolv, or if res_search
dnl is in neither of these libs, still check for dn_skipname in libresolv
AC_CHECK_LIB(socket, res_search, [
 AC_CHECK_LIB(resolv, dn_skipname)
 LIBS="$LIBS -lsocket"
 AC_DEFINE(HAVE_LIBSOCKET) ], [
 AC_CHECK_LIB(resolv, res_search, [
  LIBS="$LIBS -lresolv"
  AC_DEFINE(HAVE_LIBRESOLV)
 ], [
  AC_CHECK_LIB(resolv, dn_skipname)
 ])
])
------------------

mfg
peter lerner 

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