Dmitry Vedenko 576b7e66d2 Update min-macos to 10.9 ...

Since XCode 10, Apple does not recommend building for macOS <10.9

Reason - 10.7 and 10.8 require libstdc++

We enforce libc++ 

```# Shouldn't cmake do this???
   string( APPEND CMAKE_CXX_FLAGS " -stdlib=libc++" )```

While this generally works, it makes the proper dependency management tricky.
 
Compiler message for the library support:

```
clang: warning: libstdc++ is deprecated; move to libc++ with a minimum deployment target of OS X 10.9 [-Wdeprecated]
    ld: library not found for -lstdc++
```

2021-05-24 06:53:53 -07:00

..

build-environment

Update min-macos to 10.9

2021-05-24 06:53:53 -07:00

build.txt

make install.

2021-03-19 20:18:29 +00:00