From cda171380c45b70443635b4c0cf918e314e1568d Mon Sep 17 00:00:00 2001
From: Vincenzo Mantova <1962985+xworld21@users.noreply.github.com>
Date: Mon, 23 Mar 2026 20:12:46 +0000
Subject: [PATCH 1/3] libcupsfilter: link with iconv explicitly on Darwin

---
 pkgs/by-name/li/libcupsfilters/package.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkgs/by-name/li/libcupsfilters/package.nix b/pkgs/by-name/li/libcupsfilters/package.nix
index 05e8fae55327..1ab40fcbd691 100644
--- a/pkgs/by-name/li/libcupsfilters/package.nix
+++ b/pkgs/by-name/li/libcupsfilters/package.nix
@@ -32,6 +32,18 @@ stdenv.mkDerivation {
     hash = "sha256-WEcg+NSsny/N1VAR1ejytM+3nOF3JlNuIUPf4w6N2ew=";
   };
 
+  # Undefined symbols for architecture x86_64:
+  #   "_iconv", referenced from:
+  #       _cfFilterTextToText in libcupsfilters_la-texttotext.o
+  #   "_iconv_close", referenced from:
+  #       _cfFilterTextToText in libcupsfilters_la-texttotext.o
+  #   "_iconv_open", referenced from:
+  #       _cfFilterTextToText in libcupsfilters_la-texttotext.o
+  # ld: symbol(s) not found for architecture x86_64
+  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    NIX_LDFLAGS = "-liconv";
+  };
+
   patches = [
     (fetchpatch {
       # https://github.com/OpenPrinting/cups-filters/security/advisories/GHSA-893j-2wr2-wrh9

From 54f60bfa88c9dfa00c28d53321388a911af9ab5a Mon Sep 17 00:00:00 2001
From: Vincenzo Mantova <1962985+xworld21@users.noreply.github.com>
Date: Mon, 23 Mar 2026 20:12:46 +0000
Subject: [PATCH 2/3] libcupsfilter: replace execvpe with execve on Darwin

---
 pkgs/by-name/li/libcupsfilters/execve.patch | 11 +++++++++++
 pkgs/by-name/li/libcupsfilters/package.nix  |  8 ++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/by-name/li/libcupsfilters/execve.patch

diff --git a/pkgs/by-name/li/libcupsfilters/execve.patch b/pkgs/by-name/li/libcupsfilters/execve.patch
new file mode 100644
index 000000000000..264aec3b77d9
--- /dev/null
+++ b/pkgs/by-name/li/libcupsfilters/execve.patch
@@ -0,0 +1,11 @@
+--- a/cupsfilters/ghostscript.c
++++ b/cupsfilters/ghostscript.c
+@@ -629,7 +629,7 @@ gs_spawn (const char *filename,
+     }
+ 
+     // Execute Ghostscript command line ...
+-    execvpe(filename, gsargv, envp);
++    execve(filename, gsargv, envp);
+     if (log) log(ld, CF_LOGLEVEL_ERROR,
+ 		 "cfFilterGhostscript: Unable to launch Ghostscript: %s: %s",
+ 		 filename, strerror(errno));
diff --git a/pkgs/by-name/li/libcupsfilters/package.nix b/pkgs/by-name/li/libcupsfilters/package.nix
index 1ab40fcbd691..984b9fb4ca0e 100644
--- a/pkgs/by-name/li/libcupsfilters/package.nix
+++ b/pkgs/by-name/li/libcupsfilters/package.nix
@@ -61,7 +61,9 @@ stdenv.mkDerivation {
       url = "https://github.com/OpenPrinting/libcupsfilters/commit/b69dfacec7f176281782e2f7ac44f04bf9633cfa.patch";
       hash = "sha256-rPUbgtTu7j3uUZrtUhUPO1vFbV6naxIWsHf6x3JhS74=";
     })
-  ];
+  ]
+  # build on platforms without execvpe
+  ++ lib.optional stdenv.hostPlatform.isDarwin ./execve.patch;
 
   nativeBuildInputs = [
     autoreconfHook
@@ -89,7 +91,9 @@ stdenv.mkDerivation {
     "--with-ippfind-path=${lib.getExe' cups "ippfind"}"
     "--enable-imagefilters"
     "--with-test-font-path=${dejavu_fonts}/share/fonts/truetype/DejaVuSans.ttf"
-  ];
+  ]
+  # build on platforms without execvpe (path to Ghostscript must be absolute)
+  ++ lib.optional stdenv.hostPlatform.isDarwin "--with-gs-path=${lib.getExe ghostscript}";
   makeFlags = [
     "CUPS_SERVERBIN=$(out)/lib/cups"
     "CUPS_DATADIR=$(out)/share/cups"

From fcfbb7e3d0bea1d6110fe038f6c2fbb2ae809363 Mon Sep 17 00:00:00 2001
From: Vincenzo Mantova <1962985+xworld21@users.noreply.github.com>
Date: Mon, 23 Mar 2026 20:12:46 +0000
Subject: [PATCH 3/3] libcupsfilter: build on all platforms

---
 pkgs/by-name/li/libcupsfilters/package.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/by-name/li/libcupsfilters/package.nix b/pkgs/by-name/li/libcupsfilters/package.nix
index 984b9fb4ca0e..9a89e9b29886 100644
--- a/pkgs/by-name/li/libcupsfilters/package.nix
+++ b/pkgs/by-name/li/libcupsfilters/package.nix
@@ -104,6 +104,6 @@ stdenv.mkDerivation {
     homepage = "https://github.com/OpenPrinting/libcupsfilters";
     description = "Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc";
     license = lib.licenses.asl20;
-    platforms = lib.platforms.linux;
+    platforms = lib.platforms.all;
   };
 }