after fine configure , make tells me following 2 errors :

----------
1.
functions/snmp.o: In function `_php3_snmp':
/usr/src/php3cvs/php3/functions/snmp.c:268: undefined reference to `snmp_add_var'
2.
/usr/local/lib/libpdf.so: undefined reference to `TIFFSetWarningHandler'
/usr/local/lib/libpdf.so: undefined reference to `TIFFGetFieldDefaulted'
/usr/local/lib/libpdf.so: undefined reference to `TIFFReadRGBAImage'
/usr/local/lib/libpdf.so: undefined reference to `_TIFFmalloc'
/usr/local/lib/libpdf.so: undefined reference to `_TIFFfree'
/usr/local/lib/libpdf.so: undefined reference to `TIFFSetErrorHandler'
/usr/local/lib/libpdf.so: undefined reference to `TIFFClose'
/usr/local/lib/libpdf.so: undefined reference to `TIFFOpen'
/usr/local/lib/libpdf.so: undefined reference to `TIFFGetField'

ucd_snmp Version = 3.5.3
pdflib2.01
tiffv3.5.4
jpeg6b
zlib1.1.3

my configure parameters :

./configure \
        --prefix=/usr/local/php \
        --with-mysql=/usr/local/mysql \
        --with-snmp=/usr/local/ucd-snmp \
        --with-gd=/usr/include/gd \
        --with-ldap \
        --with-config-file-path=/usr/local/php/lib \
        --with-zlib \
        --with-jpeg-dir=/usr/local \
        --with-tiff-dir=/usr/local \
        --with-pdflib=/usr/local \
        --enable-safe-mode \
        --enable-discard-path \
        --enable-force-cgi-redirect \
        --enable-track-vars