/* This function builds just the `lib/locale/locale-archive' file from Glibc and nothing else. If `allLocales' is true, all supported locales are included; otherwise, just the locales listed in `locales'. See localedata/SUPPORTED in the Glibc source tree for the list of all supported locales: https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/SUPPORTED */ { lib, stdenv, buildPackages, callPackage, writeText, glibc , allLocales ? true, locales ? [ "en_US.UTF-8/UTF-8" ] }: (callPackage ./common.nix { inherit stdenv; } { pname = "glibc-locales"; extraNativeBuildInputs = [ glibc ]; }).overrideAttrs(finalAttrs: previousAttrs: { builder = ./locales-builder.sh; outputs = [ "out" ]; LOCALEDEF_FLAGS = [ (if stdenv.hostPlatform.isLittleEndian then "--little-endian" else "--big-endian") ]; preBuild = (previousAttrs.preBuild or "") + '' # Awful hack: `localedef' doesn't allow the path to `locale-archive' # to be overriden, but you *can* specify a prefix, i.e. it will use # <prefix>/<path-to-glibc>/lib/locale/locale-archive. So we use # $TMPDIR as a prefix, meaning that the locale-archive is placed in # $TMPDIR/nix/store/...-glibc-.../lib/locale/locale-archive. LOCALEDEF_FLAGS+=" --prefix=$TMPDIR" mkdir -p $TMPDIR/"${buildPackages.glibc.out}/lib/locale" echo 'C.UTF-8/UTF-8 \' >> ../glibc-2*/localedata/SUPPORTED # Hack to allow building of the locales (needed since glibc-2.12) sed -i -e 's,^$(rtld-prefix) $(common-objpfx)locale/localedef,localedef $(LOCALEDEF_FLAGS),' ../glibc-2*/localedata/Makefile '' + lib.optionalString (!allLocales) '' # Check that all locales to be built are supported echo -n '${lib.concatMapStrings (s: s + " \\\n") locales}' \ | sort -u > locales-to-build.txt cat ../glibc-2*/localedata/SUPPORTED | grep ' \\' \ | sort -u > locales-supported.txt comm -13 locales-supported.txt locales-to-build.txt \ > locales-unsupported.txt if [[ $(wc -c locales-unsupported.txt) != "0 locales-unsupported.txt" ]]; then cat locales-supported.txt echo "Error: unsupported locales detected:" cat locales-unsupported.txt echo "You should choose from the list above the error." false fi echo SUPPORTED-LOCALES='${toString locales}' > ../glibc-2*/localedata/SUPPORTED ''; # Current `nixpkgs` way of building locales is not compatible with # parallel install. `locale-archive` is updated in parallel with # multiple `localedef` processes and causes non-deterministic result: # https://github.com/NixOS/nixpkgs/issues/245360 enableParallelBuilding = false; makeFlags = (previousAttrs.makeFlags or []) ++ [ "localedata/install-locales" "localedir=${builtins.placeholder "out"}/lib/locale" ]; installPhase = '' mkdir -p "$out/lib/locale" "$out/share/i18n" cp -v "$TMPDIR/$NIX_STORE/"*"/lib/locale/locale-archive" "$out/lib/locale" cp -v ../glibc-2*/localedata/SUPPORTED "$out/share/i18n/SUPPORTED" ''; setupHook = writeText "locales-setup-hook.sh" '' export LOCALE_ARCHIVE=@out@/lib/locale/locale-archive ''; meta.description = "Locale information for the GNU C Library"; })