Ninth Release Candidate

added std::math fixes when building against the older gcc headers (prior to gcc7).

added two commonly used macros missing in the Tiger headers

PTHREAD_RWLOCK_INITIALIZER
STAILQ_FOREACH

Eighth Release Candidate

Adds function wrapping to enhance existing libc functions on older systems to current standards.

Adds arc4random functions to older systems.

Seventh Release Candidate

v0.7

Makefile: tests separate compile and link steps, honoring LDFLAGS

Sixth release candidate, sub 2

Adding posix_memalign() to < 10.6

Sixth release candidate

adds lchmod function, used in atcalls.c but missing on Tiger.

Sixth release candidate

Update Readme.md

Add functions and definitions added by atcalls.c.

Fifth release candidate

v0.5

turn off some compilation flags that causes issues with universal builds

Fourth Release Candidate

v0.4

add clock_getres

Third Pre-release candidate

v0.3

Make CLOCK define values match those in macOS10.12+

Second pre-release candidate

Convert license to MIT.