vulkan-loader: convert eval-time checks to build-time

The checks depend on fetched source, so they forced building during
evaluation.
This commit is contained in:
Vladimír Čunát 2016-10-22 11:35:56 +02:00
parent d608456005
commit a30702135d

View file

@ -14,14 +14,20 @@ let
getRev = name: builtins.substring 0 40 (builtins.readFile "${src}/${name}_revision");
in
assert getRev "spirv-tools" == spirv-tools.src.rev;
assert getRev "spirv-headers" == spirv-tools.headers.rev;
assert getRev "glslang" == glslang.src.rev;
stdenv.mkDerivation rec {
name = "vulkan-loader-${version}";
inherit version src;
prePatch = ''
if [ "$(cat '${src}/spirv-tools_revision')" != '${spirv-tools.src.rev}' ] \
|| [ "$(cat '${src}/spirv-headers_revision')" != '${spirv-tools.headers.rev}' ] \
|| [ "$(cat '${src}/glslang_revision')" != '${glslang.src.rev}' ]
then
echo "Version mismatch, aborting!"
false
fi
'';
buildInputs = [ cmake pkgconfig git python3 python3Packages.lxml
glslang spirv-tools x11 libxcb wayland
];