проблемка с путем к динамической библиотеке : Linux

root@iserver:/# ldd /usr/lib/php/extensions/pgsql.so 
	linux-gate.so.1 =>  (0xffffe000)
	libpq.so.2 => not found
	libc.so.6 => /lib/libc.so.6 (0xb7dd2000)
	/lib/ld-linux.so.2 (0x80000000)

root@iserver:/# cat /etc/ld.so.conf 
/usr/local/lib
/usr/i486-slackware-linux/lib
/usr/lib/qt/lib
/usr/local/lib/mysql
/usr/local/pgsql/lib

root@iserver:/# ls /usr/local/pgsql/lib 
ascii_and_mic.so       libecpg_compat.so.2.2  utf8_and_cyrillic.so
cyrillic_and_mic.so    libpgport.a	      utf8_and_euc_cn.so
euc_cn_and_mic.so      libpgtypes.a	      utf8_and_euc_jp.so
euc_jp_and_sjis.so     libpgtypes.so	      utf8_and_euc_kr.so
euc_kr_and_mic.so      libpgtypes.so.2	      utf8_and_euc_tw.so
euc_tw_and_big5.so     libpgtypes.so.2.2      utf8_and_gb18030.so
latin2_and_win1250.so  libpq.a		      utf8_and_gbk.so
latin_and_mic.so       libpq.so		      utf8_and_iso8859.so
libecpg.a	       libpq.so.2	      utf8_and_iso8859_1.so
libecpg.so	       libpq.so.5	      utf8_and_johab.so
libecpg.so.5	       libpq.so.5.0	      utf8_and_sjis.so
libecpg.so.5.2	       pgxs		      utf8_and_uhc.so
libecpg_compat.a       plpgsql.so	      utf8_and_win.so
libecpg_compat.so      utf8_and_ascii.so
libecpg_compat.so.2    utf8_and_big5.so

root@iserver:/# ldconfig
root@iserver:/# ldconfig -p | grep pq
	libpq.so.5 (libc6) => /usr/local/pgsql/lib/libpq.so.5
	libpq.so (libc6) => /usr/local/pgsql/lib/libpq.so