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{ stdenv, fetchurl, gnumake
# FreeType supports sub-pixel rendering. This is patented by
# Microsoft, so it is disabled by default. This option allows it to
# be enabled. See http://www.freetype.org/patents.html.
, useEncumberedCode ? false
, useInfinality ? true
}:
assert !(useEncumberedCode && useInfinality); # probably wouldn't make sense
let
version = "2.4.12";
in
stdenv.mkDerivation rec {
name = "freetype-${version}";
src = fetchurl {
url = "mirror://sourceforge/freetype/${name}.tar.bz2";
sha256 = "10akr2c37iv9y7fkgwp2szgwjyl2g6qmk9z1m596iaw9cr41g2m7";
};
infinality_patch =
if useInfinality then fetchurl {
url = http://www.infinality.net/fedora/linux/zips/freetype-infinality-2.4.12-20130514_01-x86_64.tar.bz2;
sha256 = "1lg2nzvxmwzwdfhxranw8iyflhr72cw9p11rkpgq1scxbp37668m";
} else null;
configureFlags = "--disable-static";
NIX_CFLAGS_COMPILE = with stdenv.lib;
" -fno-strict-aliasing" # from Gentoo, see https://bugzilla.redhat.com/show_bug.cgi?id=506840
+ optionalString useEncumberedCode " -DFT_CONFIG_OPTION_SUBPIXEL_RENDERING=1"
+ optionalString useInfinality " -DTT_CONFIG_OPTION_SUBPIXEL_HINTING=1";
patches = [ ./enable-validation.patch ] # from Gentoo
++ stdenv.lib.optional useInfinality [ infinality_patch ];
# The asm for armel is written with the 'asm' keyword.
CFLAGS = stdenv.lib.optionalString stdenv.isArm "-std=gnu99";
# FreeType requires GNU Make, which is not part of stdenv on FreeBSD.
buildInputs = stdenv.lib.optional (!stdenv.isLinux) gnumake;
enableParallelBuilding = true;
doCheck = true;
postInstall =
''
ln -s freetype2/freetype $out/include/freetype
'';
crossAttrs = {
# Somehow it calls the unwrapped gcc, "i686-pc-linux-gnu-gcc", instead
# of gcc. I think it's due to the unwrapped gcc being in the PATH. I don't
# know why it's on the PATH.
configureFlags = "--disable-static CC_BUILD=gcc";
};
passthru.infinality.useInfinality = useInfinality; # for fontconfig
meta = {
description = "A font rendering engine";
homepage = http://www.freetype.org/;
license = if useEncumberedCode then "unfree"
else "GPLv2+"; # or the FreeType License (BSD + advertising clause)
platforms = stdenv.lib.platforms.all;
};
}
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