Hi Paul, Paul Alesius <[email protected]> writes:
> In the source code directory of Guix, when trying to build a package from > gnu/packages/python-xyz.scm, it fails with the following error: > > guix build: error: > /storage/src/guix/guix-gnu/guix/build-system/gnu.scm:146:8: package > `[email protected]' has an invalid input: ("_" #<syntax-transformer pkg-config>) Usually, if you see `#<syntax-transformer ...>` anywhere in an error, that means that something that used to be just a variable was turned into a macro, but the other modules using it weren't recompiled (reminder that macro expansion happens at compilation time). This happens because Guile doesn't have any dependency tracking! You can work around this by recompiling all files containing a reference to pkg-config, I usually do `grep -Rl pkg-config --include '*.go' . | xargs rm`, followed by `make`. Best, -- Josselin Poiret
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