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{ stdenv
, fetchurl
, Carbon ? null
, libjpeg ? null
, libpng ? null
, withJpegSupport ? true # support jpeg output
, withPngSupport ? true # support png output
}:
assert withJpegSupport -> libjpeg != null;
assert withPngSupport -> libpng != null;
assert stdenv.isDarwin -> Carbon != null;
stdenv.mkDerivation rec {
pname = "tachyon";
version = "0.99b2";
src = fetchurl {
url = "http://jedi.ks.uiuc.edu/~johns/tachyon/files/${version}/${pname}-${version}.tar.gz";
sha256 = "04m0bniszyg7ryknj8laj3rl5sspacw5nr45x59j2swcsxmdvn1v";
};
buildInputs = stdenv.lib.optionals stdenv.isDarwin [
Carbon
] ++ stdenv.lib.optionals withJpegSupport [
libjpeg
] ++ stdenv.lib.optionals withPngSupport [
libpng
];
preBuild = ''
cd unix
'' + stdenv.lib.optionalString withJpegSupport ''
export USEJPEG=" -DUSEJPEG"
export JPEGLIB=" -ljpeg"
'' + stdenv.lib.optionalString withPngSupport ''
export USEPNG=" -DUSEPNG"
export PNGLIB=" -lpng -lz"
'';
arch = if stdenv.hostPlatform.system == "x86_64-linux" then "linux-64-thr" else
if stdenv.hostPlatform.system == "i686-linux" then "linux-thr" else
if stdenv.hostPlatform.system == "aarch64-linux" then "linux-arm-thr" else
if stdenv.hostPlatform.system == "armv7l-linux" then "linux-arm-thr" else
if stdenv.hostPlatform.system == "x86_64-darwin" then "macosx-thr" else
if stdenv.hostPlatform.system == "i686-darwin" then "macosx-64-thr" else
if stdenv.hostPlatform.system == "i686-cygwin" then "win32" else
if stdenv.hostPlatform.system == "x86_64-freebsd" then "bsd" else
if stdenv.hostPlatform.system == "x686-freebsd" then "bsd" else
throw "Don't know what arch to select for tachyon build";
makeFlags = [ arch ];
patches = [
# Remove absolute paths in Make-config (and unset variables so they can be set in preBuild)
./no-absolute-paths.patch
# Include new targets (like arm)
./make-archs.patch
] ++
# Ensure looks for nix-provided Carbon, not system frameworks
stdenv.lib.optional stdenv.isDarwin ./darwin.patch;
installPhase = ''
cd ../compile/${arch}
mkdir -p "$out"/{bin,lib,include,share/doc/tachyon,share/tachyon}
cp tachyon "$out"/bin
cp libtachyon.* "$out/lib"
cd ../..
cp Changes Copyright README "$out/share/doc/tachyon"
cp -r scenes "$out/share/tachyon/scenes"
'';
meta = {
inherit version;
description = ''A Parallel / Multiprocessor Ray Tracing System'';
license = stdenv.lib.licenses.bsd3;
maintainers = [stdenv.lib.maintainers.raskin];
platforms = with stdenv.lib.platforms; linux ++ cygwin ++ darwin;
homepage = "http://jedi.ks.uiuc.edu/~johns/tachyon/";
};
}
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