gams: init at 25.02 #39603

Scriptkiddi · 2018-04-27T13:29:18Z

Motivation for this change

I need to use gams for my work so I thought I would package it.
Since this is my first nix package I really would appreciate feedback.

Things done

Tested using sandboxing (nix.useSandbox on NixOS, or option build-use-sandbox in nix.conf on non-NixOS)
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 nox --run "nox-review wip"
Tested execution of all binary files (usually in ./result/bin/)
Fits CONTRIBUTING.md.

Lassulus · 2018-04-27T13:36:26Z

pkgs/top-level/all-packages.nix

@@ -637,6 +637,11 @@ with pkgs;

  genymotion = callPackage ../development/mobile/genymotion { };

+  gams = callPackage ../tools/misc/gams {
+    license = config.gams.license;


why is the license configurable? where does config.gams come from?

Ah, its the license file for running the software. You should add a module (take a look at nixos/modules/programs) to document the option.

This config option is also ok. It can be overwritten in ~/.nixpkgs/config.nix and also work on non-nixos systems.

Still doesn't eval if the two config options aren't set (like on ofborg). You need to define safe defaults for both of them, as in license = config.gams.license or "someSensibleDefaultValue";. Please verify that the package builds with these default values, in this case it should result in an unlicensed demo version using default options.

Thanks for noticing, I added a option that if the variable should be undefined that its set to null
I was wondering where I should check if the var is defined right now im doing it in all-packages.nix since the chromium.nix is doing the same, but is that the right way to do it?

Lassulus · 2018-04-27T13:37:36Z

pkgs/tools/misc/gams/default.nix

+    '';
+    homepage = https://www.gams.com/;
+    license = stdenv.lib.licenses.unfree;
+    maintainers = [ "Scriptkiddi" ];


you should add yourself to maintainers/maintainer.list and reference the attribute here (look at other packages as an example)

xeji · 2018-04-30T15:25:55Z

pkgs/tools/misc/gams/default.nix

+    '';
+    homepage = https://www.gams.com/;
+    license = stdenv.lib.licenses.unfree;
+    maintainers = [ maintainers.scriptkiddi ];


Eval fails, this should read [ stdenv.lib.maintainers.scriptkiddi ] to work.

An even nicer way to fix it if you write meta = with stdenv.lib; { above, then you don't need to repeat that prefix for license, maintainers and platforms.

Mic92 · 2018-05-01T08:54:54Z

pkgs/tools/misc/gams/default.nix

+    '';
+    homepage = https://www.gams.com/;
+    license = licenses.unfree;
+    maintainers = [ maintainers.scriptkiddi ];


In the file above, you have a capitalized S.

Thanks for noticing I fixed it

Mic92 · 2018-05-01T08:57:52Z

pkgs/tools/misc/gams/default.nix

+        (concatMapStringsSep "\n" (prog: "ln -s $out/${prog} $out/bin/${prog}") binaries)
+      ];
+
+  postFixup = with lib; concatMapStringsSep "\n" (prog: "patchelf --set-interpreter \"$(cat $NIX_CC/nix-support/dynamic-linker)\" $out/${prog}") binaries;


You can check if adding autoPatchelfHook makes this code unnecessarily. example: ea5787a

the autoPatchelfHook does not work, but i dont know why

The reason is that it still misses libraries: gdxWhos.mexa64 needs more libraries:

libmx.so -> not found! libmex.so -> not found! libmat.so -> not found!

These are apparently included in the matlab compiler runtime: https://stackoverflow.com/questions/15922862/where-to-get-matlab-libraries-libmat-and-libmx

I also had to add bzip2 for libbz2 somewhere.

So I looked into it, gams ships all dependencies with the binary file, so if its ok I would not run autoPatchelfHook, because with that I would need to get the matlab libs from somewhere and that kind of out of scope. I would change it as soon as a matlab package for nixos is available if thats ok?

Mic92 · 2018-05-05T08:01:43Z

I made some changes to make it easier to maintain.

diff --git a/pkgs/tools/misc/gams/default.nix b/pkgs/tools/misc/gams/default.nix
index 0ef1df89113..613fdc0f455 100644
--- a/pkgs/tools/misc/gams/default.nix
+++ b/pkgs/tools/misc/gams/default.nix
@@ -1,4 +1,6 @@
-{ stdenv, fetchurl, unzip, lib, file, license, optgams}:
+{ stdenv, fetchurl, unzip, lib, file, licenseFile, optgamsFile}:
+
+assert licenseFile != null;
 
 stdenv.mkDerivation rec {
   version = "25.0.2";
@@ -10,22 +12,28 @@ stdenv.mkDerivation rec {
   unpackCmd = "unzip $src";
   buildInputs = [ unzip file ];
   dontBuild = true;
-  binaries = [ "decisc" "gmsbncux.out" "eigenvalue" "mcfilter" "gmsptnux.out" "csv2gdx" "gdx2veda" "endecrypt" "eigenvector" "gmsderux.out" "gmsba_ux.out" "gmsdi_ux.out" "gmssb_ux.out" "sqlite3" "gamskeep" "gmsck_ux.out" "gmsgewux.out" "finlib" "apilib" "noalib" "gmsls_ux.out" "gmsdetux.out" "gmsxa_ux.out" "gmscr_ux.out" "gmsunzip" "scenred2" "mps2gms" "gdxrename" "gmscvpux.out" "gmsckbux.out" "bib2gms" "gmsbaxux.out" "gmszip" "gmscvlux.out" "decism" "gmsecpux.out" "gmsbd_ux.out" "gdxdiff" "gamscmex.out" "gamsinst" "invert" "gmscv_ux.out" "chk4upd" "gdxmerge" "gmscvnux.out" "gmsmd_ux.out" "cholesky" "gmsunpack" "gdxdump" "gmsge_ux.out" "gamslib" "gdxcopy" "gmsgenux.out" "gmsex_ux.out" "gdx2sqlite" "hexdump" "gmsja_ux.out" "datalib" "gmscvaux.out" "testlib" "gdxrank" "gmsdesux.out" "gmsmceux.out" "scenred" "gdxtroll" "csdp" "gmsmn_ux.out" "emplib" "gams" ];
-  installPhase = with lib;
-      concatStrings [''
-        mkdir -p "$out/bin"
-        cp -a * "$out/"
-        ${if license != null then "cp ${license} \"$out/gamslice.txt\"" else ""}
-        ${if optgams != null then "cp ${optgams} \"$out/optgams.def\"" else ""}
-        ln -s $out/optgams.def $out/bin/optgams.def
-        ln -s $out/libjoatdclib64.so $out/bin/libjoatdclib64.so
-        ln -s $out/libgmdcclib64.so $out/bin/libgmdcclib64.so
-        ln -s $out/libgdxdclib64.so $out/bin/libgdxdclib64.so
-        ''
-        (concatMapStringsSep "\n" (prog: "ln -s $out/${prog} $out/bin/${prog}") binaries)
-      ];
 
-  postFixup = with lib; concatMapStringsSep "\n" (prog: "patchelf --set-interpreter \"$(cat $NIX_CC/nix-support/dynamic-linker)\" $out/${prog}") binaries;
+  installPhase = ''
+    mkdir -p "$out/bin" "$out/share/gams"
+    cp -a * "$out/share/gams"
+
+    cp ${licenseFile} $out/share/gamslice.txt
+  '' + stdenv.lib.optionalString (optgamsFile != null) ''
+    cp ${optgamsFile} $out/share/optgams.def
+    ln -s $out/share/gams/optgams.def $out/bin/optgams.def
+  '';
+
+  postFixup = ''
+    for f in $out/share/gams/*; do
+      if [[ -x $f ]] && [[ -f $f ]] && [[ ! $f =~ .*\.so$ ]]; then
+        if patchelf \
+          --set-rpath "$out/share/gams" \
+          --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) $f; then
+          ln -s $f $out/bin/$(basename $f)
+        fi
+      fi
+    done
+  '';
 
   meta = with stdenv.lib;{
     description = "General Algebraic Modeling System";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f085c40a0e9..2a9835211c8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -638,8 +638,8 @@ with pkgs;
   genymotion = callPackage ../development/mobile/genymotion { };
 
   gams = callPackage ../tools/misc/gams {
-    license = config.gams.license or null;
-    optgams = config.gams.optgams or null;
+    licenseFile = config.gams.licenseFile or null;
+    optgamsFile = config.gams.optgamsFile or null;
   };
 
   git-fire = callPackage ../tools/misc/git-fire { };

Mic92 · 2018-05-05T08:02:19Z

pkgs/tools/misc/gams/default.nix

+      concatStrings [''
+        mkdir -p "$out/bin"
+        cp -a * "$out/"
+        ${if license != null then "cp ${license} \"$out/gamslice.txt\"" else ""}


This is not really optional is it? I added an assertion to ensure the user sets it.

its kind of optional you can see if your gams file is valid but not solve it

Mic92 · 2018-05-05T08:02:56Z

pkgs/tools/misc/gams/default.nix

+        cp -a * "$out/"
+        ${if license != null then "cp ${license} \"$out/gamslice.txt\"" else ""}
+        ${if optgams != null then "cp ${optgams} \"$out/optgams.def\"" else ""}
+        ln -s $out/optgams.def $out/bin/optgams.def


This lines only make sense if optgams is set. I put both in an optional block.

Mic92 · 2018-05-05T08:04:42Z

pkgs/tools/misc/gams/default.nix

+        ln -s $out/optgams.def $out/bin/optgams.def
+        ln -s $out/libjoatdclib64.so $out/bin/libjoatdclib64.so
+        ln -s $out/libgmdcclib64.so $out/bin/libgmdcclib64.so
+        ln -s $out/libgdxdclib64.so $out/bin/libgdxdclib64.so


I expanded the rpath to include this. I did not saw any missing libraries. How can I test this works?

try running the gams binary, but I can try running it

Mic92 · 2018-05-05T08:05:23Z

pkgs/tools/misc/gams/default.nix

+  installPhase = with lib;
+      concatStrings [''
+        mkdir -p "$out/bin"
+        cp -a * "$out/"


Doing this can clutter the user profile with random files from this package. Instead I put everything into share/gams.

nice I will continue doing that for future packages

Mic92 · 2018-05-05T08:06:13Z

pkgs/tools/misc/gams/default.nix

+  unpackCmd = "unzip $src";
+  buildInputs = [ unzip file ];
+  dontBuild = true;
+  binaries = [ "decisc" "gmsbncux.out" "eigenvalue" "mcfilter" "gmsptnux.out" "csv2gdx" "gdx2veda" "endecrypt" "eigenvector" "gmsderux.out" "gmsba_ux.out" "gmsdi_ux.out" "gmssb_ux.out" "sqlite3" "gamskeep" "gmsck_ux.out" "gmsgewux.out" "finlib" "apilib" "noalib" "gmsls_ux.out" "gmsdetux.out" "gmsxa_ux.out" "gmscr_ux.out" "gmsunzip" "scenred2" "mps2gms" "gdxrename" "gmscvpux.out" "gmsckbux.out" "bib2gms" "gmsbaxux.out" "gmszip" "gmscvlux.out" "decism" "gmsecpux.out" "gmsbd_ux.out" "gdxdiff" "gamscmex.out" "gamsinst" "invert" "gmscv_ux.out" "chk4upd" "gdxmerge" "gmscvnux.out" "gmsmd_ux.out" "cholesky" "gmsunpack" "gdxdump" "gmsge_ux.out" "gamslib" "gdxcopy" "gmsgenux.out" "gmsex_ux.out" "gdx2sqlite" "hexdump" "gmsja_ux.out" "datalib" "gmscvaux.out" "testlib" "gdxrank" "gmsdesux.out" "gmsmceux.out" "scenred" "gdxtroll" "csdp" "gmsmn_ux.out" "emplib" "gams" ];


This list is hard to update. I made this a for loop instead.

Mic92 · 2018-05-05T08:07:03Z

pkgs/top-level/all-packages.nix

@@ -637,6 +637,11 @@ with pkgs;

  genymotion = callPackage ../development/mobile/genymotion { };

+  gams = callPackage ../tools/misc/gams {
+    license = config.gams.license or null;
+    optgams = config.gams.optgams or null;


I added a File suffix here for both, since it is not obvious what type is expected here.

Scriptkiddi · 2018-05-15T13:06:53Z

What else is there to do?

Lassulus requested changes Apr 27, 2018

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Scriptkiddi force-pushed the master branch from ae930c4 to 3d61adb Compare April 30, 2018 09:59

xeji reviewed Apr 30, 2018

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Scriptkiddi force-pushed the master branch from 3d61adb to f244968 Compare April 30, 2018 16:08

Mic92 reviewed May 1, 2018

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Scriptkiddi force-pushed the master branch 2 times, most recently from 18d9629 to 6304c93 Compare May 2, 2018 08:55

GrahamcOfBorg added 8.has: package (new) 10.rebuild-darwin: 0 10.rebuild-linux: 1-10 labels May 2, 2018

Mic92 requested changes May 5, 2018

View reviewed changes

gams: init at 25.02

9668a66

Scriptkiddi force-pushed the master branch from 6304c93 to 9668a66 Compare May 17, 2018 12:46

GrahamcOfBorg added 10.rebuild-linux: 0 and removed 10.rebuild-linux: 1-10 labels May 17, 2018

Mic92 merged commit be4b3e8 into NixOS:master May 23, 2018

Janik-Haag added the 12. first-time contribution label Jun 12, 2023

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gams: init at 25.02 #39603

gams: init at 25.02 #39603

Scriptkiddi commented Apr 27, 2018 •

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Scriptkiddi commented May 15, 2018

gams: init at 25.02 #39603

gams: init at 25.02 #39603

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Scriptkiddi commented Apr 27, 2018 • edited Loading

Motivation for this change

Things done

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Mic92 May 1, 2018 • edited Loading

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Mic92 commented May 5, 2018

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Scriptkiddi commented May 15, 2018

Scriptkiddi commented Apr 27, 2018 •

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