Compilation on FreeBSD 10.1 fails building mroonga storage engine

cmake . -DBUILD_CONFIG=mysql_release

gmake VERBOSE=1

Linking CXX shared module ha_mroonga.so

cd /root/src/a/mariadb-10.0.15/storage/mroonga && /usr/local/bin/cmake -E cmake_link_script CMakeFiles/mroonga.dir/link.txt --verbose=1

/usr/bin/CC  -fPIC -O2 -g -DNDEBUG -DDBUG_OFF   -shared -Wl,-soname,ha_mroonga.so -o ha_mroonga.so CMakeFiles/mroonga.dir/ha_mroonga.cpp.o CMakeFiles/mroonga.dir/mrn_table.cpp.o CMakeFiles/mroonga.dir/udf/mrn_udf_last_insert_grn_id.cpp.o CMakeFiles/mroonga.dir/udf/mrn_udf_snippet.cpp.o CMakeFiles/mroonga.dir/udf/mrn_udf_command.cpp.o CMakeFiles/mroonga.dir/udf/mrn_udf_escape.cpp.o CMakeFiles/mroonga.dir/vendor/groonga/vendor/plugins/groonga-normalizer-mysql/normalizers/mysql.c.o CMakeFiles/mroonga.dir/lib/mrn_index_table_name.cpp.o CMakeFiles/mroonga.dir/lib/mrn_index_column_name.cpp.o CMakeFiles/mroonga.dir/lib/mrn_debug_column_access.cpp.o CMakeFiles/mroonga.dir/lib/mrn_auto_increment_value_lock.cpp.o CMakeFiles/mroonga.dir/lib/mrn_external_lock.cpp.o CMakeFiles/mroonga.dir/lib/mrn_multiple_column_key_codec.cpp.o CMakeFiles/mroonga.dir/lib/mrn_field_normalizer.cpp.o CMakeFiles/mroonga.dir/lib/mrn_encoding.cpp.o CMakeFiles/mroonga.dir/lib/mrn_parameters_parser.cpp.o CMakeFiles/mroonga.dir/lib/mrn_lock.cpp.o CMakeFiles/mroonga.dir/lib/mrn_condition_converter.cpp.o CMakeFiles/mroonga.dir/lib/mrn_time_converter.cpp.o CMakeFiles/mroonga.dir/lib/mrn_database_manager.cpp.o CMakeFiles/mroonga.dir/lib/mrn_match_escalation_threshold_scope.cpp.o CMakeFiles/mroonga.dir/lib/mrn_path_mapper.cpp.o CMakeFiles/mroonga.dir/lib/mrn_smart_grn_obj.cpp.o  -L/root/src/a/mariadb-10.0.15/storage/mroonga/vendor/groonga/lib  -L/root/src/a/mariadb-10.0.15/libservices -lpthread ../../libservices/libmysqlservices.a vendor/groonga/lib/libgroonga.a vendor/groonga/lib/libgroonga.a -lpthread -lexecinfo -lrt -lpthread -lm -lstdc++ -Wl,-rpath,/root/src/a/mariadb-10.0.15/storage/mroonga/vendor/groonga/lib:/root/src/a/mariadb-10.0.15/libservices:

/usr/bin/ld: vendor/groonga/lib/libgroonga.a(ctx.c.o): relocation R_X86_64_32S against `a local symbol' can not be used when making a shared object; recompile with -fPIC

vendor/groonga/lib/libgroonga.a: could not read symbols: Bad value

CC: error: linker command failed with exit code 1 (use -v to see invocation)

storage/mroonga/CMakeFiles/mroonga.dir/build.make:639: recipe for target 'storage/mroonga/ha_mroonga.so' failed

gmake[2]: *** [storage/mroonga/ha_mroonga.so] Error 1

gmake[2]: Leaving directory '/root/src/a/mariadb-10.0.15'

CMakeFiles/Makefile2:2727: recipe for target 'storage/mroonga/CMakeFiles/mroonga.dir/all' failed

gmake[1]: *** [storage/mroonga/CMakeFiles/mroonga.dir/all] Error 2

gmake[1]: Leaving directory '/root/src/a/mariadb-10.0.15'

Makefile:147: recipe for target 'all' failed

gmake: *** [all] Error 2

uname -a

FreeBSD SV-0560 10.1-RELEASE FreeBSD 10.1-RELEASE #0 r274401: Tue Nov 11 21:02:49 UTC 2014     root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64

cc -v

FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512

Target: x86_64-unknown-freebsd10.1