Merge pull request #173172 from Artturin/deprecatestringconf

stdenv: start deprecating non-list configureFlags

pkgs/applications/audio/ecasound/default.nix

···
   strictDeps = true;
 
   CXXFLAGS = "-std=c++11";
-  configureFlags = "--enable-liblilv --with-extra-cppflags=-Dnullptr=0";
+  configureFlags = [ "--enable-liblilv" "--with-extra-cppflags=-Dnullptr=0" ];
 
   postPatch = ''
     sed -i -e '

pkgs/applications/science/logic/alt-ergo/default.nix

···
 let alt-ergo-lib = ocamlPackages.buildDunePackage rec {
   pname = "alt-ergo-lib";
   inherit version src useDune2;
-  configureFlags = pname;
+  configureFlags = [ pname ];
   nativeBuildInputs = [ which ];
   buildInputs = with ocamlPackages; [ dune-configurator ];
   propagatedBuildInputs = with ocamlPackages; [ num ocplib-simplex stdlib-shims zarith ];
···
 let alt-ergo-parsers = ocamlPackages.buildDunePackage rec {
   pname = "alt-ergo-parsers";
   inherit version src useDune2;
-  configureFlags = pname;
+  configureFlags = [ pname ];
   nativeBuildInputs = [ which ocamlPackages.menhir ];
   propagatedBuildInputs = [ alt-ergo-lib ] ++ (with ocamlPackages; [ camlzip psmt2-frontend ]);
 }; in
···
 
   inherit pname version src useDune2;
 
-  configureFlags = pname;
+  configureFlags = [ pname ];
 
   nativeBuildInputs = [ which ocamlPackages.menhir ];
   buildInputs = [ alt-ergo-parsers ocamlPackages.cmdliner ];

pkgs/development/ocaml-modules/stdcompat/default.nix

···
   # build fails otherwise
   enableParallelBuilding = false;
 
-  configureFlags = "--libdir=$(OCAMLFIND_DESTDIR)";
+  configureFlags = [ "--libdir=$(OCAMLFIND_DESTDIR)" ];
 
   meta = {
     homepage = "https://github.com/thierry-martinez/stdcompat";

pkgs/stdenv/generic/make-derivation.nix

···
 
       # This parameter is sometimes a string, sometimes null, and sometimes a list, yuck
       configureFlags = let inherit (lib) optional elem; in
-        (/**/ if lib.isString configureFlags then [configureFlags]
-         else if configureFlags == null      then []
+        (/**/ if lib.isString configureFlags then lib.warn "String 'configureFlags' is deprecated and will be removed in release 23.05. Please use a list of strings. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}" [configureFlags]
+         else if configureFlags == null      then lib.warn "Null 'configureFlags' is deprecated and will be removed in release 23.05. Please use a empty list instead '[]'. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}" []
          else                                     configureFlags)
         ++ optional (elem "build"  configurePlatforms) "--build=${stdenv.buildPlatform.config}"
         ++ optional (elem "host"   configurePlatforms) "--host=${stdenv.hostPlatform.config}"