From b5f84b599def24fc1ddae7898acdae8d02930293 Mon Sep 17 00:00:00 2001
From: 7c6f434c <7c6f434c@mail.ru>
Date: Wed, 5 Aug 2026 04:50:41 +0200
Subject: [PATCH] lazarus: 4.4 -> 4.8; gtk2 -> gtk3

Qt version seems to work well

GTK3 version has bugs but can compile working executables at least

doublecmd and lazpaint and cudatext seem to be working, from the first glance
---
 pkgs/development/compilers/fpc/lazarus.nix | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/compilers/fpc/lazarus.nix b/pkgs/development/compilers/fpc/lazarus.nix
index 96e8b93a0951..b93013b15e1c 100644
--- a/pkgs/development/compilers/fpc/lazarus.nix
+++ b/pkgs/development/compilers/fpc/lazarus.nix
@@ -5,11 +5,12 @@
   makeWrapper,
   writeText,
   fpc,
-  gtk2,
+  gtk3,
   glib,
   pango,
   atk,
   gdk-pixbuf,
+  harfbuzz,
   libxi,
   xorgproto,
   libx11,
@@ -27,7 +28,7 @@
 #  1. the build date is embedded in the binary through `$I %DATE%` - we should dump that
 
 let
-  version = "4.4-0";
+  version = "4.8-0";
 
   # as of 2.0.10 a suffix is being added. That may or may not disappear and then
   # come back, so just leave this here.
@@ -43,7 +44,7 @@ let
     )
   );
 
-  LCL_PLATFORM = if withQt then "qt${qtVersion}" else "gtk2";
+  LCL_PLATFORM = if withQt then "qt${qtVersion}" else "gtk3";
 
   qtVersion = lib.versions.major qtbase.version;
 in
@@ -53,7 +54,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://sourceforge/lazarus/Lazarus%20Zip%20_%20GZip/Lazarus%20${majorMinorPatch version}/lazarus-${version}.tar.gz";
-    hash = "sha256-GQ7ce3p7GEMFAslkpF399UGP8Wu8rVwEQjszoJ0izAY=";
+    hash = "sha256-a0yeyU/nn+TlgCfde/ENm2w1ycsvkdtZMLdYC0ogGpk=";
   };
 
   postPatch = ''
@@ -61,9 +62,9 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [
-    # we need gtk2 unconditionally as that is the default target when building applications with lazarus
+    # we need gtk unconditionally as that is the default target when building applications with lazarus
     fpc
-    gtk2
+    gtk3
     glib
     libxi
     xorgproto
@@ -73,6 +74,7 @@ stdenv.mkDerivation rec {
     atk
     stdenv.cc
     gdk-pixbuf
+    harfbuzz
   ]
   ++ lib.optionals withQt [
     libqtpas
@@ -109,11 +111,13 @@ stdenv.mkDerivation rec {
         "-lc"
         "-lcairo"
         "-lgcc_s"
-        "-lgdk-x11-2.0"
+        "-lgdk-3"
         "-lgdk_pixbuf-2.0"
         "-lglib-2.0"
-        "-lgtk-x11-2.0"
+        "-lgtk-3"
         "-lpango-1.0"
+        "-lharfbuzz"
+        "-lharfbuzz-gobject"
       ]
       ++ lib.optionals withQt [
         "-L${lib.getLib libqtpas}/lib"