Snippet of output log from rbenv when trying to install Rubinius

gistfile1.txt

3: CXX vm/builtin/find_object.cpp
2: CXX vm/builtin/fixnum.cpp
2: CXX vm/builtin/heap_dump.cpp
3: CXX vm/builtin/float.cpp
vm/builtin/float.cpp: In static member function ‘static rubinius::Float* rubinius::Float::from_cstr(rubinius::State*, const char*, const char*, rubinius::Object*)’:
vm/builtin/float.cpp:166: error: ‘strnlen’ was not declared in this scope
Error: g++ -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vm -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vm/include -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vm/builtin -I. -Ivm/test/cxxtest -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vendor/llvm/include -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vendor/udis86 -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vendor/libffi/include -Ivendor/double-conversion/src -DHAVE_CONFIG_H -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vm/include/capi -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vendor/oniguruma -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vendor/libtommath -pipe -Wall -fno-omit-frame-pointer -g -I/usr/local/include -fPIC -D_DARWIN_USE_64_BIT_INODE  -O2 -DHAS_EXECINFO -DHAVE_SPT_REUSEARGV -DHAVE_NL_LANGINFO -DHAVE_TM_GMTOFF -DHAVE_TM_ZONE -DHAVE_TIMEZONE -DHAVE_TZNAME -DHAVE_DAYLIGHT -DHAVE_ALLOCA_H -DHAVE_STRING_H -DHAVE_SYS_TIME_H -DHAVE_SYS_TIMES_H -DHAVE_SYS_TYPES_H -DHAVE_UNISTD_H -DHAVE_STDARG_H -DHAVE_VALGRIND_H -I/private/var/folders/SZ/SZere5L+EMORF-dGje2dyU+++TI/-Tmp-/ruby-build.20130925215248.57517/rubinius-2.0.0-dev/vendor/llvm/Release/include -D_GNU_SOURCE -fno-common -DENABLE_LLVM -Wno-unused-function -Werror -DRBX_PROFILER -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fno-rtti -fvisibility-inlines-hidden   -c -o vm/builtin/artifacts/float.cpp.o vm/builtin/float.cpp