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{ stdenv, fetchFromGitHub
, bison
, cmake
, jq
, python3
, spirv-headers
, spirv-tools
}:
stdenv.mkDerivation rec {
pname = "glslang";
version = "8.13.3559";
src = fetchFromGitHub {
owner = "KhronosGroup";
repo = "glslang";
rev = version;
sha256 = "0waamlh2vqh1k40m169294xdlm0iqjkx2vis4qyxfki0r0cnsmnk";
};
# These get set at all-packages, keep onto them for child drvs
passthru = {
inherit spirv-tools spirv-headers;
};
nativeBuildInputs = [ cmake python3 bison jq ];
enableParallelBuilding = true;
postPatch = ''
cp --no-preserve=mode -r "${spirv-tools.src}" External/spirv-tools
ln -s "${spirv-headers.src}" External/spirv-tools/external/spirv-headers
'';
# Ensure spirv-headers and spirv-tools match exactly to what is expected
preConfigure = ''
HEADERS_COMMIT=$(jq -r < known_good.json '.commits|map(select(.name=="spirv-tools/external/spirv-headers"))[0].commit')
TOOLS_COMMIT=$(jq -r < known_good.json '.commits|map(select(.name=="spirv-tools"))[0].commit')
if [ "$HEADERS_COMMIT" != "${spirv-headers.src.rev}" ] || [ "$TOOLS_COMMIT" != "${spirv-tools.src.rev}" ]; then
echo "ERROR: spirv-tools commits do not match expected versions: expected tools at $TOOLS_COMMIT, headers at $HEADERS_COMMIT";
exit 1;
fi
'';
meta = with stdenv.lib; {
inherit (src.meta) homepage;
description = "Khronos reference front-end for GLSL and ESSL";
license = licenses.asl20;
platforms = platforms.linux;
maintainers = [ maintainers.ralith ];
};
}
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