7736b409f4
Preloading is done by doing a binary patch to the library to add it as a dependency. The 2.3 series of glibc will let this be done with just a wrapper that calls ld.so and with the --preload option.
38 lines
1.3 KiB
Nix
38 lines
1.3 KiB
Nix
# This override makes OpenGL just automagically work with VirtualGL
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#
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# Add a setup hook to the mesa_noglu package that automatically adds
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# a libvglfaker.so dependency to executables that depend on libGL.so.
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{ super, lib, buildEnv, makeSetupHook, file, bash, xorg }:
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let
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autoVirtualGLHook =
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let
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mesa_noglu = super.mesa_noglu;
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mesa_glu = super.mesa_glu.override { inherit mesa_noglu; };
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mesa = buildEnv {
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name = "mesa-${mesa_noglu.version}";
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paths = [ mesa_noglu.dev mesa_noglu.out mesa_glu mesa_glu.dev ];
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meta = {
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platforms = lib.platforms.unix;
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};
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};
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libGL = mesa_noglu;
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libGLU = mesa_glu;
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libGLU_combined = mesa;
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virtualglLib = (super.virtualglLib.override { inherit libGLU_combined fltk; });
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fltk = super.fltk.override { inherit libGLU_combined freeglut; };
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freeglut = super.freeglut.override { inherit libGL libGLU; };
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in
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makeSetupHook {
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name = "insert-virtualgl";
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deps = [ file virtualglLib ];
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substitutions = { inherit virtualglLib bash; inherit (xorg) libXext; };
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} ./insert-virtualgl.sh;
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in {
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mesa_noglu = super.mesa_noglu.overrideAttrs ( attrs: {
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propagatedBuildInputs = attrs.propagatedBuildInputs or [] ++ [ autoVirtualGLHook ];
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} );
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}
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