1 files changed, 15 insertions, 9 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/default.nix b/pkgs/build-support/rust/build-rust-crate/default.nix
index acb2ee63cce4..6534e21c0f0c 100644
--- a/pkgs/build-support/rust/build-rust-crate/default.nix
+++ b/pkgs/build-support/rust/build-rust-crate/default.nix
@@ -13,13 +13,18 @@ let
       then "macos"
       else stdenv.hostPlatform.parsed.kernel.name;
 
-    makeDeps = dependencies:
+    makeDeps = dependencies: crateRenames:
       (lib.concatMapStringsSep " " (dep:
-        let extern = lib.strings.replaceStrings ["-"] ["_"] dep.libName; in
-        (if lib.lists.any (x: x == "lib") dep.crateType then
-           " --extern ${extern}=${dep.out}/lib/lib${extern}-${dep.metadata}.rlib"
+        let
+          extern = lib.strings.replaceStrings ["-"] ["_"] dep.libName;
+          name = if builtins.hasAttr dep.crateName crateRenames then
+            lib.strings.replaceStrings ["-"] ["_"] crateRenames.${dep.crateName}
+          else
+            extern;
+        in (if lib.lists.any (x: x == "lib") dep.crateType then
+           " --extern ${name}=${dep.out}/lib/lib${extern}-${dep.metadata}.rlib"
          else
-           " --extern ${extern}=${dep.out}/lib/lib${extern}-${dep.metadata}${stdenv.hostPlatform.extensions.sharedLibrary}")
+           " --extern ${name}=${dep.out}/lib/lib${extern}-${dep.metadata}${stdenv.hostPlatform.extensions.sharedLibrary}")
       ) dependencies);
 
     echo_build_heading = colors: ''
@@ -60,7 +65,7 @@ let
     in
 
 crate_: lib.makeOverridable ({ rust, release, verbose, features, buildInputs, crateOverrides,
-  dependencies, buildDependencies,
+  dependencies, buildDependencies, crateRenames,
   extraRustcOpts,
   preUnpack, postUnpack, prePatch, patches, postPatch,
   preConfigure, postConfigure, preBuild, postBuild, preInstall, postInstall }:
@@ -70,7 +75,7 @@ let crate = crate_ // (lib.attrByPath [ crate_.crateName ] (attr: {}) crateOverr
     buildDependencies_ = buildDependencies;
     processedAttrs = [
       "src" "buildInputs" "crateBin" "crateLib" "libName" "libPath"
-      "buildDependencies" "dependencies" "features"
+      "buildDependencies" "dependencies" "features" "crateRenames"
       "crateName" "version" "build" "authors" "colors" "edition"
     ];
     extraDerivationAttrs = lib.filterAttrs (n: v: ! lib.elem n processedAttrs) crate;
@@ -143,13 +148,13 @@ stdenv.mkDerivation (rec {
 
     configurePhase = configureCrate {
       inherit crateName buildDependencies completeDeps completeBuildDeps crateDescription
-              crateFeatures libName build workspace_member release libPath crateVersion
+              crateFeatures crateRenames libName build workspace_member release libPath crateVersion
               extraLinkFlags extraRustcOpts
               crateAuthors crateHomepage verbose colors target_os;
     };
     buildPhase = buildCrate {
       inherit crateName dependencies
-              crateFeatures libName release libPath crateType
+              crateFeatures crateRenames libName release libPath crateType
               metadata crateBin hasCrateBin verbose colors
               extraRustcOpts;
     };
@@ -177,4 +182,5 @@ stdenv.mkDerivation (rec {
   postInstall = crate_.postInstall or "";
   dependencies = crate_.dependencies or [];
   buildDependencies = crate_.buildDependencies or [];
+  crateRenames = crate_.crateRenames or {};
 }