2024-05-02 00:46:19 +00:00
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/*
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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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{
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lib,
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stdenv,
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buildPackages,
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callPackage,
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writeText,
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glibc,
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allLocales ? true,
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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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extraNativeBuildInputs = [ glibc ];
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}).overrideAttrs
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2024-06-30 08:16:52 +00:00
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(
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2024-05-02 00:46:19 +00:00
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finalAttrs: previousAttrs: {
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builder = ./locales-builder.sh;
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outputs = [ "out" ];
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LOCALEDEF_FLAGS = [
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(if stdenv.hostPlatform.isLittleEndian then "--little-endian" else "--big-endian")
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];
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preBuild =
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(previousAttrs.preBuild or "")
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+ ''
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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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# $TMPDIR/nix/store/...-glibc-.../lib/locale/locale-archive.
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LOCALEDEF_FLAGS+=" --prefix=$TMPDIR"
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mkdir -p $TMPDIR/"${buildPackages.glibc.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 $(LOCALEDEF_FLAGS),' ../glibc-2*/localedata/Makefile
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''
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+ lib.optionalString (!allLocales) ''
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# Check that all locales to be built are supported
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echo -n '${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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# Current `nixpkgs` way of building locales is not compatible with
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# parallel install. `locale-archive` is updated in parallel with
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# multiple `localedef` processes and causes non-deterministic result:
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# https://github.com/NixOS/nixpkgs/issues/245360
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enableParallelBuilding = false;
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makeFlags = (previousAttrs.makeFlags or [ ]) ++ [
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"localedata/install-locales"
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"localedir=${builtins.placeholder "out"}/lib/locale"
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];
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installPhase = ''
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mkdir -p "$out/lib/locale" "$out/share/i18n"
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cp -v "$TMPDIR/$NIX_STORE/"*"/lib/locale/locale-archive" "$out/lib/locale"
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cp -v ../glibc-2*/localedata/SUPPORTED "$out/share/i18n/SUPPORTED"
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'';
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setupHook = writeText "locales-setup-hook.sh" ''
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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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)
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