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/* 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";
builder = ./locales-builder.sh;
outputs = [ "out" ];
extraNativeBuildInputs = [ glibc ];
# 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.
buildPhase =
''
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) $(common-objpfx)locale/localedef,localedef --prefix='$TMPDIR',' ../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
'' + ''
make localedata/install-locales \
localedir=$out/lib/locale \
'';
installPhase =
''
mkdir -p "$out/lib/locale"
cp -v "$TMPDIR/$NIX_STORE/"*"/lib/locale/locale-archive" "$out/lib/locale"
'';
setupHook = writeText "locales-setup-hook.sh"
''
export LOCALE_ARCHIVE=@out@/lib/locale/locale-archive
'';
meta.description = "Locale information for the GNU C Library";
}
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