Commit 4de69110 authored by Bjørn Forsman's avatar Bjørn Forsman
Browse files

quartus-prime-lite: modelsim: fix compiling encrypted device models 

LD_PRELOADing libudev breaks compiling encrypted device models in
ModelSim, so only use LD_PRELOAD for non-ModelSim wrappers.

Before:

  $ "$(NIXPKGS_ALLOW_UNFREE=1 nix-build -A quartus-prime-lite)/bin/vlog" "$(NIXPKGS_ALLOW_UNFREE=1 nix-build -A quartus-prime-lite.unwrapped)/modelsim_ase/altera/verilog/src/arriav_atoms_ncrypt.v"
  [...]
  ** Error: /nix/store/szcr2q24izqvhz7ybalar43y5xdg172a-quartus-prime-lite-unwrapped-20.1.1.720/modelsim_ase/altera/verilog/src/arriav_atoms_ncrypt.v(38): (vlog-2163) Macro `<protected> is undefined.
  ** Error: /nix/store/szcr2q24izqvhz7ybalar43y5xdg172a-quartus-prime-lite-unwrapped-20.1.1.720/modelsim_ase/altera/verilog/src/arriav_atoms_ncrypt.v(38): (vlog-2163) Macro `<protected> is undefined.
  ** Error: (vlog-13069) /nix/store/szcr2q24izqvhz7ybalar43y5xdg172a-quartus-prime-lite-unwrapped-20.1.1.720/modelsim_ase/altera/verilog/src/arriav_atoms_ncrypt.v(38): syntax error in protected region.
  [...]
  Errors: 4, Warnings: 0

After:

  $ "$(NIXPKGS_ALLOW_UNFREE=1 nix-build -A quartus-prime-lite)/bin/vlog" "$(NIXPKGS_ALLOW_UNFREE=1 nix-build -A quartus-prime-lite.unwrapped)/modelsim_ase/altera/verilog/src/arriav_atoms_ncrypt.v"
  [...]
  Errors: 0, Warnings: 0
parent 7fe94766

pkgs/applications/editors/quartus-prime/default.nix

+18 −6
Original line number Diff line number Diff line
@@ -77,6 +77,11 @@ in buildFHSEnv rec { 
        progs_wrapped+=("$wrapped")

        mkdir -p "$(dirname "$wrapped")"

        echo "#!${stdenv.shell}" >> "$wrapped"

        case "$relname" in

            modelsim_ase/*)

                echo "export NIXPKGS_IS_MODELSIM_WRAPPER=1" >> "$wrapped"

                ;;

        esac

        echo "$wrapper $prog \"\$@\"" >> "$wrapped"

    done
@@ -86,13 +91,20 @@ in buildFHSEnv rec { 
    ln --symbolic --relative --target-directory ./bin ''${progs_wrapped[@]}

  '';



  profile = ''

    # LD_PRELOAD fixes issues in the licensing system that cause memory corruption and crashes when

    # starting most operations in many containerized environments, including WSL2, Docker, and LXC

    # (a similiar fix involving LD_PRELOADing tcmalloc did not solve the issue in my situation)

    # we use the name so that quartus can load the 64 bit verson and modelsim can load the 32 bit version

    # https://community.intel.com/t5/Intel-FPGA-Software-Installation/Running-Quartus-Prime-Standard-on-WSL-crashes-in-libudev-so/m-p/1189032

  profile = ''

    #

    # But, as can be seen in the above resource, LD_PRELOADing libudev breaks

    # compiling encrypted device libraries in ModelSim (with error

    # `(vlog-2163) Macro `<protected> is undefined.`), so only use LD_PRELOAD

    # for non-ModelSim wrappers.

    if [ "$NIXPKGS_IS_MODELSIM_WRAPPER" != 1 ]; then

        export LD_PRELOAD=''${LD_PRELOAD:+$LD_PRELOAD:}libudev.so.0

    fi

  '';



  # Run the wrappers directly, instead of going via bash.