cc -I. -I/usr/ports/security/pecl-filter/work/filter-0.11.0 -DPHP_ATOM_INC -I/usr/ports/security/pecl-filter/work/filter-0.11.0/include -I/usr/ports/security/pecl-filter/work/filter-0.11.0/main -I/usr/ports/security/pecl-filter/work/filter-0.11.0 -I/usr/local/include/php -I/usr/local/include/php/main -I/usr/local/include/php/TSRM -I/usr/local/include/php/Zend -I/usr/local/include/php/ext -I/usr/local/include/php/ext/date/lib -I/usr/local/include -DHAVE_CONFIG_H -O2 -fno-strict-aliasing -pipe -c /usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c  -fPIC -DPIC -o .libs/logical_filters.o
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c: In function `php_filter_validate_regexp':
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:451: error: `pcre' undeclared (first use in this function)
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:451: error: (Each undeclared identifier is reported only once
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:451: error: for each function it appears in.)
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:451: error: `re' undeclared (first use in this function)
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:452: error: `pcre_extra' undeclared (first use in this function)
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c: In function `php_filter_validate_email':
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:509: error: `pcre' undeclared (first use in this function)
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:509: error: `re' undeclared (first use in this function)
/usr/ports/security/pecl-filter/work/filter-0.11.0/logical_filters.c:510: error: `pcre_extra' undeclared (first use in this function)