Description:
------------
When compiling PHP from source, it is not possible to build the "filter" extension as a shared object:

./configure [...]
[...]
checking whether to enable input filter support... yes, shared
configure: error: 
You've configured extension filter to build statically, but it
depends on extension pcre, which you've configured to build shared.
You either need to build filter shared or build pcre statically for the
build to be successful.



Test script:
---------------
./configure \
        --prefix=/some/where --with-config-file-path=/some/where/etc \
        --disable-ipv6 \
        --enable-hash \
        --enable-bcmath=shared \
        --enable-libxml=shared --enable-xml=shared \
        --with-xmlrpc=shared \
        --enable-xmlreader=shared --enable-xmlwriter=shared \
        --enable-wddx=shared --with-xsl=shared \
        --with-openssl=shared \
        --with-imap=shared \
        --with-imap-ssl \
        --enable-ftp=shared \
        --with-zlib=shared --with-bz2=shared \
        --enable-calendar=shared \
        --enable-ctype=shared \
        --with-curl=shared \
        --enable-dba=shared \
        --enable-exif=shared \
        --with-pcre-regex=shared \
        --with-gd=shared \
        --enable-filter=shared \
        --with-png-dir \
        --with-jpeg-dir \
        --with-freetype-dir \
        --enable-gd-native-ttf \
        --with-gettext=shared \
        --with-mhash=shared \
        --with-iconv=shred \
        --enable-dom=shared \
        --enable-mbstring=shared \
        --with-mcrypt=shared \
        --enable-json=shared \
        --disable-mbregex \
        --with-mysql=shared \
        --with-mysqli=shared \
        --enable-pdo=shared --with-pdo-pgsql=shared --with-pdo-mysql=shared --with-pdo-sqlite=shared \
        --with-pgsql=shared \
        --enable-posix=shared \
        --with-pspell=shared \
        --enable-session \
        --enable-simplexml=shared \
        --enable-soap=shared \
        --enable-sockets=shared \
        --with-sqlite=shared \
        --enable-sqlite-utf8 \
        --enable-tokenizer=shared \