gcc: set GFORTRAN_FOR_TARGET on cross-built native compilers #231020
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ofborg
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6.topic: cross-compilation
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For a cross-built native compiler, i.e. build!=(host==target), the bundled libgfortran needs a gfortran which can run on the buildPlatform and emit code for the targetPlatform. The compiler which is built alongside gfortran in this configuration doesn't meet that need: it runs on the hostPlatform. This commit passes the necessary compiler via `GFORTRAN_FOR_TARGET`, using `pkgsBuildTarget.gfortran`.
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Artturin
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Sep 21, 2023
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Closes #230626
Description of changes
For a cross-built native compiler, i.e.
build!=(host==target), the bundled libgfortran needs a gfortran which can run on the buildPlatform and emit code for the targetPlatform. The compiler which is built alongside gfortran in this configuration doesn't meet that need: it runs on the hostPlatform.This commit passes the necessary compiler via
GFORTRAN_FOR_TARGET, usingpkgsBuildTarget.gfortran.Things done
sandbox = trueset innix.conf? (See Nix manual)nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage./result/bin/)