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A comment on What is Nix and why you should try it. Parent comment
you have build_requires which you can list dependencies that you require at build time (e.g: gcc-3 vs gcc-4) but not at runtime.
So you can have things that were built with gcc-3 and gcc-4 running side by side in a same shell environment without issues.
gcc itself, in this case, would be a rez package that can have multiple versions installed in the system.
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you have build_requires which you can list dependencies that you require at build time (e.g: gcc-3 vs gcc-4) but not at runtime.
So you can have things that were built with gcc-3 and gcc-4 running side by side in a same shell environment without issues.
gcc itself, in this case, would be a rez package that can have multiple versions installed in the system.