sysinfo conditional compilation fixes for OSX
sysinfo conditional compilation fixes for OSX

dcoeurjo/benchmark,chemhack/benchmark,chandlerc/benchmark,bowlofstew/benchmark,nickhutchinson/benchmark,codygray/benchmark,Photonomie/benchmark,disconnect3d/benchmark,codygray/benchmark,subailong/benchmark,mockingbirdnest/benchmark,Photonomie/benchmark,bowlofstew/benchmark,ntx-/benchmark,everbase/benchmark,mockingbirdnest/benchmark,LepelTsmok/benchmark,dcoeurjo/benchmark,LepelTsmok/benchmark,google/benchmark,efcs/benchmark,chandlerc/benchmark,eliben/benchmark,everbase/benchmark,subailong/benchmark,chemhack/benchmark,disconnect3d/benchmark,everbase/benchmark,fuchsia-mirror/third_party-benchmark,bowlofstew/benchmark,nickhutchinson/benchmark-cxx03,chemhack/benchmark,google/benchmark,xlqian/benchmark,xlqian/benchmark,gezidan/benchmark,subailong/benchmark,LepelTsmok/benchmark,LepelTsmok/benchmark,ntx-/benchmark,dcoeurjo/benchmark,quantumsteve/benchmark,fuchsia-mirror/third_party-benchmark,gezidan/benchmark,codygray/benchmark,google/benchmark,nickhutchinson/benchmark-cxx03,xlqian/benchmark,gezidan/benchmark,eliben/benchmark,eliben/benchmark,Photonomie/benchmark,ntx-/benchmark,nickhutchinson/benchmark-cxx03,nickhutchinson/benchmark,efcs/benchmark,quantumsteve/benchmark,bowlofstew/benchmark,everbase/benchmark,quantumsteve/benchmark,nickhutchinson/benchmark,xlqian/benchmark,disconnect3d/benchmark,gezidan/benchmark,nickhutchinson/benchmark,chemhack/benchmark,ntx-/benchmark,codygray/benchmark,disconnect3d/benchmark,nickhutchinson/benchmark-cxx03,mockingbirdnest/benchmark,eliben/benchmark,quantumsteve/benchmark,efcs/benchmark,subailong/benchmark,efcs/benchmark,fuchsia-mirror/third_party-benchmark,mockingbirdnest/benchmark,fuchsia-mirror/third_party-benchmark,Photonomie/benchmark,chandlerc/benchmark,chandlerc/benchmark