Update simgrid 3.19.1 -> 3.20 + parallel tests + enable darwin (#42721)

* simgrid: 3.19.1 -> 3.20

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/simgrid/versions.

These checks were done:

- built on NixOS
- /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/smpicc passed the binary check.
- /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/smpicxx passed the binary check.
- /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/smpirun passed the binary check.
- Warning: no invocation of /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/tesh had a zero exit code or showed the expected version
- /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/simgrid-colorizer passed the binary check.
- Warning: no invocation of /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/simgrid_update_xml had a zero exit code or showed the expected version
- /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/simgrid_convert_TI_traces passed the binary check.
- Warning: no invocation of /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/smpimain had a zero exit code or showed the expected version
- /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20/bin/graphicator passed the binary check.
- 6 of 9 passed binary check by having a zero exit code.
- 4 of 9 passed binary check by having the new version present in output.
- found 3.20 with grep in /nix/store/cvyi6hvgc9rvgrnp7c028xrlzbl7jzb9-simgrid-3.20
- directory tree listing: https://gist.github.com/edefc2f1a2e81412484edc2e45986e03
- du listing: https://gist.github.com/a44f7d57537e93152a8e6c569f8ed1ae

* simgrid: 3.19.1 -> 3.20 + add darwin

- Fix dependencies to enable build on darwin
- Add ctest flag to enable parallel testing

* Use simpler parallel testing logic

because it is already done in nixpkgs/pkgs/stdenv/generic/setup.sh

pkgs/applications/science/misc/simgrid/default.nix

···
-{ stdenv, fetchFromGitHub, cmake, elfutils, perl, python3, boost, valgrind
+{ stdenv, fetchFromGitHub, cmake, perl, python3, boost, valgrind
 # Optional requirements
 # Lua 5.3 needed and not available now
 #, luaSupport ? false, lua5
 , fortranSupport ? false, gfortran
 , buildDocumentation ? false, transfig, ghostscript, doxygen
 , buildJavaBindings ? false, openjdk
-, modelCheckingSupport ? false, libunwind, libevent # Inside elfutils - , libelf, libevent, libdw
+, modelCheckingSupport ? false, libunwind, libevent, elfutils # Inside elfutils: libelf and libdw
 , debug ? false
 , moreTests ? false
 }:
···
 
 stdenv.mkDerivation rec {
   name = "simgrid-${version}";
-  version = "3.19.1";
+  version = "3.20";
 
   src = fetchFromGitHub {
     owner = "simgrid";
     repo = "simgrid";
     rev = "v${version}";
-    sha256 = "0vpgcp40xv20hcpslx5wz2mf2phaq41f7x8yr0bm7mknqd3zwxih";
+    sha256 = "0xb20qhvsah2dz2hvn850i3w9a5ghsbcx8vka2ap6xsdkxf593gy";
   };
 
-  nativeBuildInputs = [ cmake perl elfutils python3 boost valgrind ]
+  nativeBuildInputs = [ cmake perl python3 boost valgrind ]
       ++ optionals fortranSupport [ gfortran ]
       ++ optionals buildJavaBindings [ openjdk ]
       ++ optionals buildDocumentation [ transfig ghostscript doxygen ]
-      ++ optionals modelCheckingSupport [ libunwind libevent ];
+      ++ optionals modelCheckingSupport [ libunwind libevent elfutils ];
 
   #buildInputs = optional luaSupport lua5;
 
···
   '';
 
   doCheck = true;
-  
+
   checkPhase = ''
     runHook preCheck
-    ctest --output-on-failure -E smpi-replay-multiple
+
+    ctest -j $NIX_BUILD_CORES --output-on-failure -E smpi-replay-multiple
+
     runHook postCheck
   '';
-    
+
   enableParallelBuilding = true;
 
   meta = {