9c23a3ded3
now if use g++4.9 as compiler flag on OSX, it will produce error message
that
```
CMake Error at CMakeLists.txt:2 (project):
The CMAKE_CXX_COMPILER:
g++-4.9
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by setting
either the environment variable "CXX" or the CMake cache entry
CMAKE_CXX_COMPILER to the full path to the compiler, or to the
compiler name if it is in the PATH.
```
|
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|---|---|---|
| .. | ||
| ccache.md | ||
| cmake_make.md | ||
| cmake_ninja.md | ||
| coverage.md | ||
| cygwin.md | ||
| fedora-19.md | ||
| msys2.md | ||
| osx-10.9.md | ||
| split-stack.md | ||
| travis.md | ||
| ubuntu-12.04-detailed.md | ||
| ubuntu-12.04.md | ||
| ubuntu-16.04.md | ||