HELP REQD /usr/bin/ld: cannot find -lpng

Hi ! I am trying to install php-4.0.3pl1 with apache. I failed at step: ./configure --with-mysql --with-apxs=/PATH TO/www/bin/apxs I have apache server 1.3.26 installed at /PATH TO/www Following is the debug.log file contents: ---------------------------------- CONFIGURE: './configure' '--with-mysql' '--with-apxs=/PATH TO/www/bin/apxs' CC: gcc CFLAGS: -g -O2 CPPFLAGS: CXX: CXXFLAGS: INCLUDES: -I/PATH TO/www/include -I$(top_builddir)/Zend -I$(top_srcdir) -I/PATH TO/php-4.0.3pl1/ext/mysql/libmysql LDFLAGS: LIBS: -lpng -lz -lgd -lresolv -lm -ldl -lcrypt -lnsl -lresolv DLIBS: SAPI: apache PHP_RPATHS: uname -a: Linux MACHINENAME 2.4.9-31smp #1 SMP Tue Feb 26 06:55:00 EST 2002 i686 unknown gcc -o conftest -g -O2 conftest.c -lpng -lz -lgd -lresolv -lm -ldl -lcrypt -lnsl -lresolv 1>&5 /usr/bin/ld: cannot find -lpng collect2: ld returned 1 exit status ---------------------------------- where /PATH TO/ is a shared area where I have r/w permissions, and MACHINENAME is the qualified host name from where I am trying to install. Any help/suggestions would be appreciated. Thanks Abhishek