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nixpkgs/pkgs/build-support/setup-hooks/update-autotools-gnu-config-scripts.sh
Tuomas Tynkkynen c909f1b18e stdenv: Add updateAutoconfGnuConfigScriptsHook for aarch64
This is required for Aarch64 since a lot of source tarballs ship with
outdated configure scripts that don't recognize aarch64. Simply
replacing the config.guess and config.sub with new versions from
upstream makes them build again.

This same approach is used by at least Buildroot and Fedora. In
principle this could be enabled for all architectures but
conditionalizing this on aarch64 avoids a mass rebuild on x86.
2017-01-25 00:01:52 +02:00

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preConfigurePhases+=" updateAutotoolsGnuConfigScriptsPhase"
updateAutotoolsGnuConfigScriptsPhase() {
if [ -n "$dontUpdateAutotoolsGnuConfigScripts" ]; then return; fi
for script in config.sub config.guess; do
for f in $(find . -name "$script"); do
echo "Updating Autotools / GNU config script to a newer upstream version: $f"
cp -f "@gnu_config@/$script" "$f"
done
done
}