82590fed5f
Without this patch, setting the same locale twice, e.g. like this in
NixOS:
```nix
{
i18n.supportedLocales = [
(config.i18n.defaultLocale + "/UTF-8")
(config.i18n.defaultLocale + "/UTF-8")
];
}
```
Would make the glibcLocales build fail with
```
Error: unsupported locales detected:
en_US.UTF-8/UTF-8 \
You should choose from the list above the error.
```
68 lines
2.5 KiB
Nix
68 lines
2.5 KiB
Nix
/* This function builds just the `lib/locale/locale-archive' file from
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Glibc and nothing else. If `allLocales' is true, all supported
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locales are included; otherwise, just the locales listed in
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`locales'. See localedata/SUPPORTED in the Glibc source tree for
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the list of all supported locales:
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https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/SUPPORTED
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*/
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{ lib, stdenv, buildPackages, callPackage, writeText
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, allLocales ? true, locales ? [ "en_US.UTF-8/UTF-8" ]
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}:
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callPackage ./common.nix { inherit stdenv; } {
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pname = "glibc-locales";
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builder = ./locales-builder.sh;
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outputs = [ "out" ];
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# Awful hack: `localedef' doesn't allow the path to `locale-archive'
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# to be overriden, but you *can* specify a prefix, i.e. it will use
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# <prefix>/<path-to-glibc>/lib/locale/locale-archive. So we use
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# $TMPDIR as a prefix, meaning that the locale-archive is placed in
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# $TMPDIR/nix/store/...-glibc-.../lib/locale/locale-archive.
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buildPhase =
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''
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mkdir -p $TMPDIR/"${buildPackages.stdenv.cc.libc.out}/lib/locale"
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echo 'C.UTF-8/UTF-8 \' >> ../glibc-2*/localedata/SUPPORTED
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# Hack to allow building of the locales (needed since glibc-2.12)
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sed -i -e 's,^$(rtld-prefix) $(common-objpfx)locale/localedef,localedef --prefix='$TMPDIR',' ../glibc-2*/localedata/Makefile
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''
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+ lib.optionalString (!allLocales) ''
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# Check that all locales to be built are supported
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echo -n '${lib.concatMapStrings (s: s + " \\\n") locales}' \
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| sort -u > locales-to-build.txt
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cat ../glibc-2*/localedata/SUPPORTED | grep ' \\' \
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| sort -u > locales-supported.txt
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comm -13 locales-supported.txt locales-to-build.txt \
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> locales-unsupported.txt
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if [[ $(wc -c locales-unsupported.txt) != "0 locales-unsupported.txt" ]]; then
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cat locales-supported.txt
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echo "Error: unsupported locales detected:"
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cat locales-unsupported.txt
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echo "You should choose from the list above the error."
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false
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fi
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echo SUPPORTED-LOCALES='${toString locales}' > ../glibc-2*/localedata/SUPPORTED
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'' + ''
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make localedata/install-locales \
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localedir=$out/lib/locale \
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'';
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installPhase =
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''
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mkdir -p "$out/lib/locale"
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cp -v "$TMPDIR/$NIX_STORE/"*"/lib/locale/locale-archive" "$out/lib/locale"
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'';
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setupHook = writeText "locales-setup-hook.sh"
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''
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export LOCALE_ARCHIVE=@out@/lib/locale/locale-archive
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'';
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meta.description = "Locale information for the GNU C Library";
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}
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