cross: drop gfortran from fftw in cross-compilation overlay#1850
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brianmcgillion merged 1 commit intotiiuae:mainfrom Mar 23, 2026
Merged
cross: drop gfortran from fftw in cross-compilation overlay#1850brianmcgillion merged 1 commit intotiiuae:mainfrom
brianmcgillion merged 1 commit intotiiuae:mainfrom
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PipeWire depends on fftwFloat (fftw-single), which unconditionally includes gfortran in nativeBuildInputs. This forces cross-compilation of the entire Fortran toolchain (gfortran + binutils) for aarch64, none of which is available in the binary cache. Ghaf does not use FFTW Fortran bindings. The Fortran wrapper generation in FFTW is only triggered when docs are enabled, and --disable-doc is already set when withDoc is false (which it is for cross builds where stdenv.cc.isGNU may differ). Remove gfortran from fftwFloat.nativeBuildInputs in the cross overlay to eliminate the unnecessary Fortran toolchain build. Signed-off-by: vadik likholetov <vadikas@gmail.com>
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avnik
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Mar 23, 2026
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avnik
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Looks good. But maybe also add
.overlay { withDocs = false; }? to strip doc generation entriely?
brianmcgillion
approved these changes
Mar 23, 2026
brianmcgillion
approved these changes
Mar 23, 2026
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Summary
fftwFloat.nativeBuildInputsin the cross-compilation overlay--disable-docis already set for cross builds)Test plan
nix build --dry-run .#packages.x86_64-linux.nvidia-jetson-orin-agx-debug-from-x86_64no longer includesaarch64-unknown-linux-gnu-gfortranin derivations to build