From 32f80f808c30a229a220b2baf4d58242ba7901ac Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Wed, 30 Apr 2025 14:09:28 +0200
Subject: [PATCH] codec2: use split outputs -> out, lib, dev

---
 pkgs/by-name/co/codec2/package.nix | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/co/codec2/package.nix b/pkgs/by-name/co/codec2/package.nix
index af167085d793..5eef7e5c577b 100644
--- a/pkgs/by-name/co/codec2/package.nix
+++ b/pkgs/by-name/co/codec2/package.nix
@@ -25,6 +25,12 @@ stdenv.mkDerivation (finalAttrs: {
     ./fix-pkg-config.patch
   ];
 
+  outputs = [
+    "out"
+    "lib"
+    "dev"
+  ];
+
   nativeBuildInputs = [
     cmake
     buildPackages.stdenv.cc # needs to build a C program to run at build time
@@ -46,10 +52,18 @@ stdenv.mkDerivation (finalAttrs: {
     install -Dm0755 src/{c2enc,c2sim,freedv_rx,freedv_tx,cohpsk_*,fdmdv_*,fsk_*,ldpc_*,ofdm_*} -t $out/bin/
   '';
 
-  # Swap keyword order to satisfy SWIG parser
-  postFixup = ''
-    sed -r -i 's/(\<_Complex)(\s+)(float|double)/\3\2\1/' $out/include/$pname/freedv_api.h
-  '';
+  postFixup =
+    # Swap keyword order to satisfy SWIG parser
+    ''
+      sed -r -i 's/(\<_Complex)(\s+)(float|double)/\3\2\1/' $dev/include/$pname/freedv_api.h
+    ''
+    +
+      # generated cmake module is not compatible with multiple outputs
+      ''
+        substituteInPlace $dev/lib/cmake/codec2/codec2-config.cmake --replace-fail \
+          '"''${_IMPORT_PREFIX}/include/codec2' \
+          "\"$dev/include/codec2"
+      '';
 
   cmakeFlags =
     [