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python3Packages.wxPython_4_0: build on darwin #97101

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@fricklerhandwerk fricklerhandwerk commented Sep 4, 2020

Motivation for this change

Fix #86040

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits

Building in sandbox cannot be checked, because clang fails, as described in #41099 and #41099:

configure:16875: checking whether the C compiler works
configure:16897: clang    conftest.c  >&5
ld: warning: directory not found for option '-F/System/Library/PrivateFrameworks'
ld: file not found: /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
clang-7: error: linker command failed with exit code 1 (use -v to see invocation)

Building reverse dependencies fails for the same reason. Essentially I have no idea if I broke something for Darwin users and no reasonable way to check it.

error: build of '/nix/store/fzcx83xcq7ni2wrmjm8j6h894zn1b3cd-env.drv' failed
21 package marked as broken and skipped:
ell errbot mergerfs mergerfs-tools meritous torcs torque torrential w_scan wipe wxGTK29 wxGTK30 wxGTK30-gtk3 wxGTK31 wxGTK31-gtk3 wxSVG wxmaxima wxmupen64plus wxsqlite3 wxsqliteplus wyrd

30 package failed to build:
asls diff-pdf elixir elixir_1_6 elixir_1_7 elixir_1_8 elixir_1_9 erlang erlangR20 erlangR21 erlangR23 erlang_javac erlang_odbc erlang_odbc_javac lfe mavproxy mercury plover.stable python27Packages.wxPython python27Packages.wxPython_4_0 python37Packages.wxPython_4_0 python38Packages.wxPython_4_0 rabbitmq-server rebar rebar3 relxExe torchat tsung winpdb wxmac

@LnL7 is there any progress with (or even desire to) fixing sandboxing on Darwin?

@fricklerhandwerk fricklerhandwerk requested review from FRidh and jonringer as code owners Sep 4, 2020
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@evils evils commented Sep 4, 2020

how does the git-lfs change relate to wxpython?

@fricklerhandwerk fricklerhandwerk force-pushed the fricklerhandwerk:wxpython branch from fd6d3df to 6370dc7 Sep 4, 2020
fix wxmac build and update 3.0.4 ->
@fricklerhandwerk fricklerhandwerk force-pushed the fricklerhandwerk:wxpython branch from 6370dc7 to 65250b1 Sep 4, 2020
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@fricklerhandwerk fricklerhandwerk commented Sep 4, 2020

how does the git-lfs change relate to wxpython?

It does not, no idea how and from where it even slipped in... removed by re-creating the branch and cherry-picking on top.

Co-authored-by: Dmitry Kalinkin <>
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@veprbl veprbl commented Sep 8, 2020

nativeBuildInputs = [ pkgconfig which doxygen wxGTK ];
buildInputs = [ ncurses wxGTK.gtk ];
nativeBuildInputs = [ pkgconfig which doxygen ]
++ (if !stdenv.isDarwin then [ wxGTK ] else [ wxmac ]);

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hannesweisbach Sep 16, 2020

And if I want to use wxwidgets on macOS?

Why not only wxwidgets as dependency and in callPackage you can do:

wxwidgets = stdenv.isDarwin ? wxmac : wxGTK

otherwise I have to employ an overide/overlay like wxmac = wxwidgets, which seems odd to me and I could imagine some users not having the idea that they could do that.

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veprbl Sep 24, 2020

@hannesweisbach I agree with your comment. It will, however, require a more sophisticated refactoring (e.g. to build with wxGTK.gtk and perhaps exclude the frameworks).

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hannesweisbach Sep 25, 2020

I'm not sure I follow ;) I just wanted to bring up that wxGTK builds on macOS too, and that wxmac is not necessarily required.

@veprbl veprbl mentioned this pull request Sep 25, 2020
1 of 10 tasks complete
@@ -10,6 +10,9 @@
, doxygen
, ncurses
, wxGTK
, wxmac
, darwin

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veprbl Oct 23, 2020

We usually don't import darwin as a whole and provide frameworks one by one.

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