{libllvm,isl,libiberty,libmpc}: fix references to /usr/bin/uname on native FreeBSD (#356763)

pkgs/by-name/li/libiberty/package.nix

···
 
   postUnpack = "sourceRoot=\${sourceRoot}/libiberty";
 
+  # needed until config scripts are updated to not use /usr/bin/uname on FreeBSD native
+  # updateAutotoolsGnuConfigScriptsHook doesn't seem to work here
+  postPatch = ''
+    substituteInPlace ../config.guess --replace-fail /usr/bin/uname uname
+  '';
+
   configureFlags = [ "--enable-install-libiberty" ]
     ++ lib.optional (!staticBuild) "--enable-shared";
 

pkgs/by-name/li/libmpc/package.nix

···
 { lib, stdenv, fetchurl
 , gmp, mpfr
+, updateAutotoolsGnuConfigScriptsHook
 }:
 
 # Note: this package is used for bootstrapping fetchurl, and thus
···
   enableParallelBuilding = true;
 
   buildInputs = [ gmp mpfr ];
+  nativeBuildInputs = [
+    # needed until config scripts are updated to not use /usr/bin/uname on FreeBSD native
+    updateAutotoolsGnuConfigScriptsHook
+  ];
 
   doCheck = true; # not cross;
 

pkgs/development/compilers/llvm/common/llvm/default.nix

···
 , which
 , sysctl
 , buildLlvmTools
+, updateAutotoolsGnuConfigScriptsHook
 , debugVersion ? false
 , doCheck ? !stdenv.hostPlatform.isAarch32 && (if lib.versionOlder release_version "15" then stdenv.hostPlatform.isLinux else true)
   && (!stdenv.hostPlatform.isx86_32 /* TODO: why */) && (!stdenv.hostPlatform.isMusl)
···
     "shadowstack"
   ];
 
-  nativeBuildInputs = [ cmake ]
+  nativeBuildInputs = [
+    cmake
+    # while this is not an autotools build, it still includes a config.guess
+    # this is needed until scripts are updated to not use /usr/bin/uname on FreeBSD native
+    updateAutotoolsGnuConfigScriptsHook
+  ]
     ++ (lib.optional (lib.versionAtLeast release_version "15") ninja)
     ++ [ python ]
     ++ optionals enableManpages [

pkgs/development/libraries/isl/generic.nix

···
 , gmp
 , autoreconfHook
 , buildPackages
+, updateAutotoolsGnuConfigScriptsHook
 }:
 
 stdenv.mkDerivation {
···
 
   strictDeps = true;
   depsBuildBuild = lib.optionals (lib.versionAtLeast version "0.24") [ buildPackages.stdenv.cc ];
-  nativeBuildInputs = lib.optionals (stdenv.hostPlatform.isRiscV && lib.versionOlder version "0.24") [ autoreconfHook ];
+  nativeBuildInputs = lib.optionals (stdenv.hostPlatform.isRiscV && lib.versionOlder version "0.24") [
+    autoreconfHook
+  ] ++ [
+    # needed until config scripts are updated to not use /usr/bin/uname on FreeBSD native
+    updateAutotoolsGnuConfigScriptsHook
+  ];
   buildInputs = [ gmp ];
 
   inherit configureFlags;