mecab: fix cross build (NixOS#373789)

Author: misuzu

pkgs/tools/text/mecab/ipadic.nix

@@ -1,7 +1,9 @@
 {
+  lib,
   stdenv,
   fetchurl,
   mecab-nodic,
+  buildPackages,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -16,8 +18,15 @@ stdenv.mkDerivation (finalAttrs: {
 
   buildInputs = [ mecab-nodic ];
 
-  configureFlags = [
-    "--with-charset=utf8"
-    "--with-dicdir=${placeholder "out"}"
-  ];
+  configureFlags =
+    [
+      "--with-charset=utf8"
+      "--with-dicdir=${placeholder "out"}"
+    ]
+    ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [
+      "--with-mecab-config=${lib.getExe' buildPackages.mecab "mecab-config"}"
+    ]
+    ++ lib.optionals (stdenv.buildPlatform.canExecute stdenv.hostPlatform) [
+      "--with-mecab-config=${lib.getExe' (lib.getDev mecab-nodic) "mecab-config"}"
+    ];
 })