Description:
------------
I tried to compile (configure) PHP with the actual libcurl (7.13.1) on Debian Sarge. Both 4.3.10 and 4.3.9 failed.

...
checking whether to enable calendar conversion support... no
checking for cpdflib support... no
checking for CRACKlib support... no
checking whether to enable ctype functions... yes
checking for CURL support... yes
checking for CURL in default path... found in /usr
checking for cURL 7.9.8 or greater... libcurl 7.13.1
checking for curl_easy_perform in -lcurl... no
configure: error: There is something wrong. Please check config.log for more information.

tail of my config.log:
...
configure:19409: checking for CRACKlib support
configure:19820: checking whether to enable ctype functions
configure:20083: checking for CURL support
configure:20132: checking for CURL in default path
configure:20150: checking for cURL 7.9.8 or greater
configure:20450: checking for curl_easy_perform in -lcurl
configure:20469: gcc -o conftest -g -O2   -lcurl -lidn -lssl -lcrypto -ldl -lssl -lcrypto -ldl -lz conftest.c -lcurl  -lcurl -lz -lresolv -lm -ldl -lnsl  -lcurl -lidn -lssl -lcrypto -ldl -lssl -lcrypto -ldl -lz 1>&5
/usr/lib/gcc-lib/i486-linux/3.3.5/../../../libcurl.so: undefined reference to `tld_strerror'
/usr/lib/gcc-lib/i486-linux/3.3.5/../../../libcurl.so: undefined reference to `idna_strerror'
collect2: ld returned 1 exit status
configure: failed program was:
#line 20458 "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 curl_easy_perform();

int main() {
curl_easy_perform()
; return 0; }


my full configure line:
'./configure' '--with-apxs=/usr/local/apache/bin/apxs' '--enable-inline-optimization' '--with-zlib' '--with-gd' '--with-jpeg-dir=/usr' '--with-freetype-dir=/usr' '--with-png-dir=/usr' '--with-gif' '--with-t1lib' '--with-iconv' '--enable-ftp' '--enable-dbase' '--with-mysql' '--enable-trans-sid' '--enable-sockets' '--with-dom=/usr' '--with-curl' '--enable-bcmath'