g++ -o build/darwin/normal/mongo/platform/atomic_word_test.o -c -Wnon-virtual-dtor -Woverloaded-virtual -fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas -Winvalid-pch -O3 -DBOOST_ALL_NO_LIB -D_SCONS -DMONGO_EXPOSE_MACROS -DSUPPORT_UTF8 -D_FILE_OFFSET_BITS=64 -DJS_C_STRINGS_ARE_UTF8 -DMONGO_HAVE_HEADER_UNISTD_H -DMONGO_HAVE_EXECINFO_BACKTRACE -DXP_UNIX -Ibuild/darwin/normal/third_party/boost -Isrc/third_party/boost -Ibuild/darwin/normal/third_party/pcre-8.30 -Isrc/third_party/pcre-8.30 -Ibuild/darwin/normal -Isrc -Ibuild/darwin/normal/mongo -Isrc/mongo -I/opt/local/include -Ibuild/darwin/normal/third_party/snappy -Isrc/third_party/snappy -Ibuild/darwin/normal/third_party/js-1.7 -Isrc/third_party/js-1.7 src/mongo/platform/atomic_word_test.cpp
/var/tmp//ccW4KkTz.s:3483:invalid character '%' in mnemonic
/var/tmp//ccW4KkTz.s:3652:invalid character '%' in mnemonic
/var/tmp//ccW4KkTz.s:3826:invalid character '%' in mnemonic
/var/tmp//ccW4KkTz.s:4001:invalid character '%' in mnemonic
/var/tmp//ccW4KkTz.s:7786:invalid character '%' in mnemonic
scons: *** [build/darwin/normal/mongo/platform/atomic_word_test.o] Error 1