From d28ce724a6803a4709ca9578a8d1fbab42ba68b1 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Mon, 1 May 2023 17:24:25 +0300
Subject: [PATCH] espeak-ng: fix cross

---
 pkgs/applications/audio/espeak-ng/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/applications/audio/espeak-ng/default.nix b/pkgs/applications/audio/espeak-ng/default.nix
index 5b558a419d1..d53c0ac1caf 100644
--- a/pkgs/applications/audio/espeak-ng/default.nix
+++ b/pkgs/applications/audio/espeak-ng/default.nix
@@ -8,6 +8,7 @@
 , pkg-config
 , ronn
 , substituteAll
+, buildPackages
 , mbrolaSupport ? true
 , mbrola
 , pcaudiolibSupport ? true
@@ -49,6 +50,14 @@ stdenv.mkDerivation rec {
     "--with-mbrola=${if mbrolaSupport then "yes" else "no"}"
   ];
 
+  # ref https://github.com/void-linux/void-packages/blob/3cf863f894b67b3c93e23ac7830ca46b697d308a/srcpkgs/espeak-ng/template#L29-L31
+  postConfigure = lib.optionalString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    substituteInPlace Makefile \
+      --replace 'ESPEAK_DATA_PATH=$(CURDIR) src/espeak-ng' 'ESPEAK_DATA_PATH=$(CURDIR) ${lib.getExe buildPackages.espeak-ng}' \
+      --replace 'espeak-ng-data/%_dict: src/espeak-ng' 'espeak-ng-data/%_dict: ${lib.getExe buildPackages.espeak-ng}' \
+      --replace '../src/espeak-ng --compile' "${lib.getExe buildPackages.espeak-ng} --compile"
+  '';
+
   postInstall = lib.optionalString stdenv.isLinux ''
     patchelf --set-rpath "$(patchelf --print-rpath $out/bin/espeak-ng)" $out/bin/speak-ng
     wrapProgram $out/bin/espeak-ng \