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4cff412ecc
defines _POSIX_CPUTIME but doesn't support the clock_* functions. I don't test the value of _POSIX_CPUTIME because the spec merely says that if it is defined, the CPU-specific timers are available, whereas it says that _POSIX_TIMERS must be defined and defined to a value greater than zero. However, this may not work, as the POSIX spec clearly states: "If the symbolic constant _POSIX_CPUTIME is defined, then the symbolic constant _POSIX_TIMERS shall also be defined by the implementation to have the value 200112L." If this doesn't work, I'll add more hacks for Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171565 91177308-0d34-0410-b5e6-96231b3b80d8
llvm/lib/Support/Unix README =========================== This directory provides implementations of the lib/System classes that are common to two or more variants of UNIX. For example, the directory structure underneath this directory could look like this: Unix - only code that is truly generic to all UNIX platforms Posix - code that is specific to Posix variants of UNIX SUS - code that is specific to the Single Unix Specification SysV - code that is specific to System V variants of UNIX As a rule, only those directories actually needing to be created should be created. Also, further subdirectories could be created to reflect versions of the various standards. For example, under SUS there could be v1, v2, and v3 subdirectories to reflect the three major versions of SUS.