From 403cff50e67ca0b49e3c6b381631df7c95fdd40e Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sat, 19 Feb 2022 07:50:32 +0000
Subject: [PATCH] flite: disable parallelism

---
 pkgs/development/libraries/flite/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/flite/default.nix b/pkgs/development/libraries/flite/default.nix
index cd8eb538462..f4eac39919f 100644
--- a/pkgs/development/libraries/flite/default.nix
+++ b/pkgs/development/libraries/flite/default.nix
@@ -27,7 +27,9 @@ stdenv.mkDerivation rec {
     "--enable-shared"
   ] ++ lib.optionals stdenv.isLinux [ "--with-audio=alsa" ];
 
-  enableParallelBuilding = true;
+  # main/Makefile creates and removes 'flite_voice_list.c' from multiple targets:
+  # make[1]: *** No rule to make target 'flite_voice_list.c', needed by 'all'.  Stop
+  enableParallelBuilding = false;
 
   meta = with lib; {
     description = "A small, fast run-time speech synthesis engine";