From 9559cea14a91ffa63f5f90d7719b2c56233517f2 Mon Sep 17 00:00:00 2001
From: annalee <150648636+a-n-n-a-l-e-e@users.noreply.github.com>
Date: Wed, 6 Dec 2023 05:09:21 +0000
Subject: [PATCH] catdvi: fix generated code in configure script; fix darwin

add an int to generated main function to fix implicit int error
---
 pkgs/tools/typesetting/tex/catdvi/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/tools/typesetting/tex/catdvi/default.nix b/pkgs/tools/typesetting/tex/catdvi/default.nix
index 924aa57ece99..1958a2f4c073 100644
--- a/pkgs/tools/typesetting/tex/catdvi/default.nix
+++ b/pkgs/tools/typesetting/tex/catdvi/default.nix
@@ -28,6 +28,11 @@ stdenv.mkDerivation (finalAttrs: {
     })
   ];
 
+  # fix implicit-int compile error in test code used in configure script
+  postPatch = ''
+    sed -i 's/^main()/int main()/' configure
+  '';
+
   hardeningDisable = [ "format" ];
 
   outputs = [ "out" ] ++ lib.optional (with stdenv; buildPlatform.canExecute hostPlatform) "dev";