From bd9f1f215588bb69755a4a283a3a0f9d0ba9de70 Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Wed, 3 Apr 2024 09:51:02 +0200
Subject: [PATCH] podofo: fix library path in pkg-config file

The lib/ directory was being moved to the $lib output post-build without
correcting the path in libpodofo.pc.
---
 pkgs/development/libraries/podofo/0.10.x.nix  | 4 ----
 pkgs/development/libraries/podofo/default.nix | 9 +++++++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/libraries/podofo/0.10.x.nix b/pkgs/development/libraries/podofo/0.10.x.nix
index 6c4356e9add9..93c989a9c1ec 100644
--- a/pkgs/development/libraries/podofo/0.10.x.nix
+++ b/pkgs/development/libraries/podofo/0.10.x.nix
@@ -53,10 +53,6 @@ stdenv.mkDerivation (finalAttrs: {
     "-DCMAKE_BUILD_WITH_INSTALL_NAME_DIR=ON"
   ];
 
-  postInstall = ''
-    moveToOutput lib "$lib"
-  '';
-
   meta = {
     homepage = "https://github.com/podofo/podofo";
     description = "A library to work with the PDF file format";
diff --git a/pkgs/development/libraries/podofo/default.nix b/pkgs/development/libraries/podofo/default.nix
index 1243763421c0..85651d225f42 100644
--- a/pkgs/development/libraries/podofo/default.nix
+++ b/pkgs/development/libraries/podofo/default.nix
@@ -24,8 +24,13 @@ stdenv.mkDerivation rec {
     "-DCMAKE_BUILD_WITH_INSTALL_NAME_DIR=ON"
   ];
 
-  postInstall = ''
-    moveToOutput lib "$lib"
+  postPatch = ''
+    # Use GNU directories to fix multiple outputs
+    failNoMatches='t yes; b no; :yes h; :no p; $ {x; /./{x;q}; q1}'
+    sed -ni src/podofo/CMakeLists.txt \
+        -e 's/LIBDIRNAME/CMAKE_INSTALL_LIBDIR/' -e "$failNoMatches"
+    sed -ni src/podofo/libpodofo.pc.in \
+        -e 's/^libdir=.*/libdir=@CMAKE_INSTALL_LIBDIR@/' -e "$failNoMatches"
   '';
 
   meta = with lib; {