Description:
------------
I'm unable to compile from source:

$ /home/eddi/opt/php/5.3.2-dev/bin/phpize

$ CFLAGS="-march=athlon64 -O3 -pipe -fstack-protector -fstack-protector-all" ./configure --with-php-config=/home/eddi/opt/php/5.3.2-dev/bin/php-config

$ make > /dev/null

Reproduce code:
---------------
In file included from /home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:27:
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/php_mailparse.h:100:49: error: ext/mbstring/libmbfl/mbfl/mbfilter.h: No such file or directory
In file included from /home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/php_mailparse.h:109,
                 from /home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:27:
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/php_mailparse_mime.h:68: error: expected specifier-qualifier-list before 'mbfl_convert_filter'
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:34:2: error: #error The mailparse extension requires the mbstring extension!
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c: In function 'zif_mailparse_determine_best_xfer_encoding':
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:887: error: variable 'bestenc' has initializer but incomplete type
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:887: error: 'mbfl_no_encoding_7bit' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:887: error: (Each undeclared identifier is reported only once
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:887: error: for each function it appears in.)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:887: error: storage size of 'bestenc' isn't known
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:903: error: 'mbfl_no_encoding_8bit' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:905: error: 'mbfl_no_encoding_base64' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:915: error: 'mbfl_no_encoding_qprint' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:918: warning: cast to pointer from integer of different size
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c: In function 'zif_mailparse_stream_encode':
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:953: error: storage size of 'enc' isn't known
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:954: error: 'mbfl_convert_filter' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:954: error: 'conv' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:972: error: 'mbfl_no_encoding_invalid' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:983: error: 'mbfl_no_encoding_8bit' undeclared (first use in this function)
/home/eddi/opt/src/php5.3-200909082230/ext/mailparse-2.1.5/mailparse.c:991: error: 'mbfl_no_encoding_qprint' undeclared (first use in this function)
make: *** [mailparse.lo] Fehler 1