gnome: look up g-ir-scanner as a host tool #15379
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g-ir-scanner emits architecture-dependent information. In a cross build, using the native one cannot work as it cannot use the host libraries it is supposed to inspect. While the host's g-ir-scanner might have the same problem, some distributions such as Debian provide a wrapper that employs qemu and report it from the host's .pc file. Other distributions also have such a wrapper but tend to inject it via the crossfile. Link: https://bugs.debian.org/1060838
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eli-schwartz
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Dec 11, 2025
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eli-schwartz
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Since the scanner exists in the same domain as a C/C++ compiler it seems like obviously a bug to look it up using the wrong machine, and can't ever work.
Making it work for the first time on correctly configured systems, and making the failure detectable at setup time for incorrectly configured systems, seems like a very good idea.
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g-ir-scanner emits architecture-dependent information. In a cross build, using the native one cannot work as it cannot use the host libraries it is supposed to inspect. While the host's g-ir-scanner might have the same problem, some distributions such as Debian provide a wrapper that employs qemu and report it from the host's .pc file. Other distributions also have such a wrapper but tend to inject it via the crossfile.
Link: https://bugs.debian.org/1060838