8086005: Define __STDC_xxx_MACROS config macros globally via build system Summary: Moved macro definitions to hotspot build configuration Reviewed-by: erikj, eosterlund

^build/
^dist/
^webrev
^testoutput/
/nbproject/private/
^make/netbeans/.*/build/
^make/netbeans/.*/dist/
.DS_Store
.*/JTreport/.*
.*/JTwork/.*