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nixpkgs/pkgs/development/libraries/fontconfig/default.nix

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{ stdenv, substituteAll, fetchurl, fetchpatch
, pkgconfig, freetype, expat, libxslt, dejavu_fonts
, hostPlatform
}:
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/** Font configuration scheme
- ./config-compat.patch makes fontconfig try the following root configs, in order:
$FONTCONFIG_FILE, /etc/fonts/${configVersion}/fonts.conf, /etc/fonts/fonts.conf
This is done not to override config of pre-2.11 versions (which just blow up)
and still use *global* font configuration at both NixOS or non-NixOS.
- NixOS creates /etc/fonts/${configVersion}/fonts.conf link to $out/etc/fonts/fonts.conf,
and other modifications should go to /etc/fonts/${configVersion}/conf.d
- See ./make-fonts-conf.xsl for config details.
*/
let
configVersion = "2.11"; # bump whenever fontconfig breaks compatibility with older configurations
in
stdenv.mkDerivation rec {
name = "fontconfig-2.12.1";
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src = fetchurl {
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url = "http://fontconfig.org/release/${name}.tar.bz2";
sha256 = "1wy7svvp7df6bjpg1m5vizb3ngd7rhb20vpclv3x3qa71khs6jdl";
};
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patches = [
(substituteAll {
src = ./config-compat.patch;
inherit configVersion;
})
(fetchpatch {
name = "glibc-2.25.diff";
url = "https://cgit.freedesktop.org/fontconfig/patch/?id=1ab5258f7c";
sha256 = "0x2a4qx51j3gqcp1kp4lisdzmhrkw1zw0r851d82ksgjlc0vkbaz";
})
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];
# additionally required for the glibc-2.25 patch; avoid requiring gperf
postPatch = ''
sed s/CHAR_WIDTH/CHARWIDTH/g -i src/fcobjshash.{h,gperf}
touch src/*
'';
outputs = [ "bin" "dev" "lib" "out" ]; # $out contains all the config
propagatedBuildInputs = [ freetype ];
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buildInputs = [ pkgconfig expat ];
configureFlags = [
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"--with-cache-dir=/var/cache/fontconfig" # otherwise the fallback is in $out/
"--disable-docs"
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# just <1MB; this is what you get when loading config fails for some reason
"--with-default-fonts=${dejavu_fonts.minimal}"
];
# We should find a better way to access the arch reliably.
crossArch = hostPlatform.arch or null;
preConfigure = ''
if test -n "$crossConfig"; then
configureFlags="$configureFlags --with-arch=$crossArch";
fi
'';
enableParallelBuilding = true;
doCheck = true;
# Don't try to write to /var/cache/fontconfig at install time.
installFlags = "fc_cachedir=$(TMPDIR)/dummy RUN_FC_CACHE_TEST=false";
postInstall = ''
cd "$out/etc/fonts"
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"${libxslt.bin}/bin/xsltproc" --stringparam fontDirectories "${dejavu_fonts.minimal}" \
--stringparam fontconfigConfigVersion "${configVersion}" \
--path $out/share/xml/fontconfig \
${./make-fonts-conf.xsl} $out/etc/fonts/fonts.conf \
> fonts.conf.tmp
mv fonts.conf.tmp $out/etc/fonts/fonts.conf
'';
passthru = {
inherit configVersion;
};
meta = with stdenv.lib; {
description = "A library for font customization and configuration";
homepage = http://fontconfig.org/;
license = licenses.bsd2; # custom but very bsd-like
platforms = platforms.all;
maintainers = [ maintainers.vcunat ];
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};
}