[CMake] Build flags not applied during compiler testing on Ubuntu

[Brad King]

On 08/22/2018 03:49 PM, Richard Shaw wrote:
> Initially I tried setting the flags before invoking "project" and that seemed
> to be enough for Fedora. I've tried other things as well that I've probably
> forgotten but one other method I tried was:
> 
> set(CMAKE_REQUIRED_DEFINITIONS "--specs=nosys.specs")

That's only used by Check* modules.  It does not affect flags in general.

>From the ubuntu issue:

> The target system is: Generic - 1 - arm
> The host system is: Linux - 4.15.0-32-generic - x86_64

You're cross-compiling.  What is your CMAKE_TOOLCHAIN_FILE?

-Brad