From a1e4d5e2b1db8c7717c734162326896c30704180 Mon Sep 17 00:00:00 2001
From: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
Date: Tue, 6 Oct 2026 23:51:44 -0400
Subject: [PATCH] nginxModules.zip.tests.nginx: fix build with gcc 16

---
 .../modules/zip/fix-gcc16-unused-counter.patch      | 13 +++++++++++++
 pkgs/servers/http/nginx/modules/zip/package.nix     |  2 ++
 2 files changed, 15 insertions(+)
 create mode 100644 pkgs/servers/http/nginx/modules/zip/fix-gcc16-unused-counter.patch

diff --git a/pkgs/servers/http/nginx/modules/zip/fix-gcc16-unused-counter.patch b/pkgs/servers/http/nginx/modules/zip/fix-gcc16-unused-counter.patch
new file mode 100644
index 000000000000..e2ae69a5d09c
--- /dev/null
+++ b/pkgs/servers/http/nginx/modules/zip/fix-gcc16-unused-counter.patch
@@ -0,0 +1,13 @@
+diff --git a/ngx_http_zip_module.c b/ngx_http_zip_module.c
+index 49a7703..0629c43 100644
+--- a/ngx_http_zip_module.c
++++ b/ngx_http_zip_module.c
+@@ -1006,6 +1006,8 @@ ngx_http_zip_send_pieces(ngx_http_request_t *r,
+     ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+             "mod_zip: sent %d pieces, last rc = %d", pieces_sent, rc);
+ 
++    (void)pieces_sent;
++
+     if (rc == NGX_OK) {
+         ctx->trailer_sent = 1;
+         return ngx_http_send_special(r, NGX_HTTP_LAST);
diff --git a/pkgs/servers/http/nginx/modules/zip/package.nix b/pkgs/servers/http/nginx/modules/zip/package.nix
index 1ff4e5bf658a..f80871d440be 100644
--- a/pkgs/servers/http/nginx/modules/zip/package.nix
+++ b/pkgs/servers/http/nginx/modules/zip/package.nix
@@ -18,6 +18,8 @@ mkNginxPlugin (finalAttrs: {
   };
 
   patches = [
+    # https://github.com/evanmiller/mod_zip/pull/120
+    ./fix-gcc16-unused-counter.patch
     (fetchpatch {
       name = "fix-upstream-subrequest-crc-calculation.patch";
       url = "https://github.com/evanmiller/mod_zip/commit/8e65b82c82c7890f67a6107271c127e9881b6313.patch";