From 013b4a6d0e3d7397f2c03ef498e7b81fb4598bab Mon Sep 17 00:00:00 2001
From: Leona Maroni <dev@leona.is>
Date: Sat, 20 Dec 2025 15:35:48 +0100
Subject: [PATCH] hplip: fix build with gcc15

---
 pkgs/by-name/hp/hplip/gcc-compatability.patch | 14 ++++++++++++++
 pkgs/by-name/hp/hplip/package.nix             |  2 ++
 2 files changed, 16 insertions(+)
 create mode 100644 pkgs/by-name/hp/hplip/gcc-compatability.patch

diff --git a/pkgs/by-name/hp/hplip/gcc-compatability.patch b/pkgs/by-name/hp/hplip/gcc-compatability.patch
new file mode 100644
index 000000000000..65abfa6328eb
--- /dev/null
+++ b/pkgs/by-name/hp/hplip/gcc-compatability.patch
@@ -0,0 +1,14 @@
+diff --git a/scan/sane/ledmi.h b/scan/sane/ledmi.h
+index a987c5d..f72847b 100644
+--- a/scan/sane/ledmi.h
++++ b/scan/sane/ledmi.h
+@@ -162,7 +162,7 @@ struct ledm_session
+ int bb_open(struct ledm_session*);
+ int bb_close(struct ledm_session*);
+ int bb_get_parameters(struct ledm_session*, SANE_Parameters*, int);
+-int bb_is_paper_in_adf();         /* 0 = no paper in adf, 1 = paper in adf, -1 = error */
++int bb_is_paper_in_adf(struct ledm_session*);         /* 0 = no paper in adf, 1 = paper in adf, -1 = error */
+ SANE_Status bb_start_scan(struct ledm_session*);
+ int bb_get_image_data(struct ledm_session*, int); 
+ int bb_end_page(struct ledm_session*, int);
+
diff --git a/pkgs/by-name/hp/hplip/package.nix b/pkgs/by-name/hp/hplip/package.nix
index fa9cd6bf492d..57065682b7f6 100644
--- a/pkgs/by-name/hp/hplip/package.nix
+++ b/pkgs/by-name/hp/hplip/package.nix
@@ -144,6 +144,8 @@ python3Packages.buildPythonApplication {
     # don't on NixOS).  Add the equivalent NixOS path, /var/lib/cups/path/share.
     # See: https://github.com/NixOS/nixpkgs/issues/21796
     ./hplip-3.20.11-nixos-cups-ppd-search-path.patch
+    # https://bugs.launchpad.net/hplip/+bug/2096650
+    ./gcc-compatability.patch
 
     # Remove all ImageProcessor functionality since that is closed source
     (fetchurl {