From 4e427c9df0f1d021a8d7dc0437f73d9582b21c67 Mon Sep 17 00:00:00 2001
From: 06kellyjac <dev@j-k.io>
Date: Wed, 31 Aug 2022 12:35:42 +0100
Subject: [PATCH] tinycc: avoid replacing VERSION when it would cause errors

Still doesn't fix the general build of tinycc on darwin
---
 pkgs/development/compilers/tinycc/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/tinycc/default.nix b/pkgs/development/compilers/tinycc/default.nix
index 97a86a3fa783..21eb497a116a 100644
--- a/pkgs/development/compilers/tinycc/default.nix
+++ b/pkgs/development/compilers/tinycc/default.nix
@@ -8,6 +8,10 @@
 , which
 }:
 
+let
+  # avoid "malformed 32-bit x.y.z" error on mac when using clang
+  isCleanVer = version: builtins.match "^[0-9]\\.+[0-9]+\\.[0-9]+" version != null;
+in
 stdenv.mkDerivation rec {
   pname = "tcc";
   version = "unstable-2022-07-15";
@@ -62,7 +66,11 @@ stdenv.mkDerivation rec {
   ];
 
   preConfigure = ''
-    echo ${version} > VERSION
+    ${
+      if stdenv.isDarwin && ! isCleanVer version
+      then "echo 'not overwriting VERSION since it would upset ld'"
+      else "echo ${version} > VERSION"
+    }
     configureFlagsArray+=("--elfinterp=$(< $NIX_CC/nix-support/dynamic-linker)")
   '';