Description:
------------
after typing "pecl install pecl_http" extension compiles mostly fine, until:

/bin/sh /private/var/tmp/pear-build-indy/pecl_http-0.24.1/libtool --mode=link gcc -DPHP_ATOM_INC -I/private/var/tmp/pear-build-indy/pecl_http-0.24.1/include -I/private/var/tmp/pear-build-indy/pecl_http-0.24.1/main -I/private/tmp/tmp2gobRy/pecl_http-0.24.1 -I/sw/local/include/php -I/sw/local/include/php/main -I/sw/local/include/php/TSRM -I/sw/local/include/php/Zend -I/sw/local/include/php/ext  -I/sw/local/include -L/sw/include -L/usr/local/include -L/usr/include -DHAVE_CONFIG_H  -g -O2  -L/sw/local/lib -L/sw/lib -L/usr/local/lib -L/usr/lib -o http.la -export-dynamic -avoid-version -prefer-pic -module -rpath /private/var/tmp/pear-build-indy/pecl_http-0.24.1/modules  missing.lo http.lo http_functions.lo phpstr/phpstr.lo http_util_object.lo http_message_object.lo http_request_object.lo http_request_pool_api.lo http_response_object.lo http_exception_object.lo http_requestpool_object.lo http_api.lo http_cache_api.lo http_request_api.lo http_date_api.lo http_headers_api.lo http_message_api.lo http_send_api.lo http_
url_api.lo http_info_api.lo http_request_method_api.lo http_encoding_api.lo http_filter_api.lo http_request_body_api.lo http_querystring_object.lo http_deflatestream_object.lo http_inflatestream_object.lo http_cookie_api.lo -lcurl -lz -lcurl -lssl -lcrypto -lz
gcc ${wl}-flat_namespace ${wl}-undefined ${wl}suppress -o .libs/http.so -bundle  .libs/missing.o .libs/http.o .libs/http_functions.o phpstr/.libs/phpstr.o .libs/http_util_object.o .libs/http_message_object.o .libs/http_request_object.o .libs/http_request_pool_api.o .libs/http_response_object.o .libs/http_exception_object.o .libs/http_requestpool_object.o .libs/http_api.o .libs/http_cache_api.o .libs/http_request_api.o .libs/http_date_api.o .libs/http_headers_api.o .libs/http_message_api.o .libs/http_send_api.o .libs/http_url_api.o .libs/http_info_api.o .libs/http_request_method_api.o .libs/http_encoding_api.o .libs/http_filter_api.o .libs/http_request_body_api.o .libs/http_querystring_object.o .libs/http_deflatestream_object.o .libs/http_inflatestream_object.o .libs/http_cookie_api.o  -L/sw/include -L/usr/local/include -L/usr/include -L/sw/local/lib -L/sw/lib -L/usr/local/lib -L/usr/lib -lcurl -lssl -lcrypto -lz

/usr/bin/ld: multiple definitions of symbol _http_filter_factory
.libs/http.o definition of _http_filter_factory in section (__DATA,__common)
.libs/http_filter_api.o definition of _http_filter_factory in section (__DATA,__data)
collect2: ld returned 1 exit status
make: *** [http.la] Error 1
ERROR: `make' failed