From 539ad4f81140545b60e0d5aba55d36ef02ebebba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sat, 15 May 2021 09:32:18 +0200
Subject: [PATCH] lua5_*: tweak linking libraries

All liblua.so were missing a library or two;
I'm not sure if there's a better way to add them.  Check:
ldd -r ./result/lib/liblua.so
---
 pkgs/development/interpreters/lua-5/interpreter.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/interpreters/lua-5/interpreter.nix b/pkgs/development/interpreters/lua-5/interpreter.nix
index 506f9ca7207..4c45a3c6bdd 100644
--- a/pkgs/development/interpreters/lua-5/interpreter.nix
+++ b/pkgs/development/interpreters/lua-5/interpreter.nix
@@ -72,6 +72,8 @@ self = stdenv.mkDerivation rec {
   '';
   inherit postConfigure;
 
+  NIX_LDFLAGS = [ "-lm" ] ++ lib.optional (lib.versionOlder luaversion "5.2") "-ldl";
+
   inherit postBuild;
 
   postInstall = ''
@@ -93,7 +95,7 @@ self = stdenv.mkDerivation rec {
     Description: An Extensible Extension Language
     Version: ${version}
     Requires:
-    Libs: -L$out/lib -llua -lm
+    Libs: -L$out/lib -llua
     Cflags: -I$out/include
     EOF
     ln -s "$out/lib/pkgconfig/lua.pc" "$out/lib/pkgconfig/lua-${luaversion}.pc"