How to run lit tests on Mac OSX without gcc?

Thomas Mader via digitalmars-d-ldc digitalmars-d-ldc at
Wed Aug 30 01:43:32 PDT 2017

On Tuesday, 29 August 2017 at 06:50:15 UTC, Thomas Mader wrote:
> I just checked. CC is set to "clang" correctly and clang is 
> callable.
> Within the PATH variable the path 
> "/nix/store/2dijjcqwnzf0pj1ii524anz55nxm7pjs-clang-wrapper-4.0.1/bin/" is declared and in this directory the clang binary is found.

The thing is that "getenv(envVar)" returns "(null)" even though 
CC is set to "clang" before "./ -v ." is called.
Very strange.
I also tested getenv in a little C program and built and run that 
via Nix but it worked.

       #include <stdio.h>
       #include <stdlib.h>

       int main ()
         char* pCC;
         pCC = getenv ("CC");
         if (pCC!=NULL)
           printf ("The CC is: %s\n",pCC);
         return 0;

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