libui-ng: fix tests with cmocka 2

From 5bfab42bc531e40d99ea88a1fb7662c8388ee833 Mon Sep 17 00:00:00 2001

From: Marcin Serwin <marcin@serwin.dev>

Date: Fri, 9 Jan 2026 21:23:39 +0100

Subject: [PATCH] Remove cm_print_error declaration

With CMocka 2.0.0 this `cm_print_error` is now a macro so using it as

a function name causes syntax errors. I've checked that 1.1.8 has this

declaration in `cmocka.h` header so it seems to no longer be needed even

with the older version.

Signed-off-by: Marcin Serwin <marcin@serwin.dev>

---

 test/unit/drawmatrix.c | 3 ---

 1 file changed, 3 deletions(-)

diff --git a/test/unit/drawmatrix.c b/test/unit/drawmatrix.c

index 2e263fc0..49623388 100644

--- a/test/unit/drawmatrix.c

+++ b/test/unit/drawmatrix.c

@@ -15,9 +15,6 @@ static int compareDouble(double a, double b, double epsilon)

 	return diff <= epsilon * eps_scale;

 }

-// It's not defined in cmocka.h but exists in cmocka.c

-void cm_print_error(const char * const format, ...);

-

 // Check if a == b without aborting the test.

 static int expectDoubleEqual(double a, double b, int first_error, const char* error_prefix)

 {

-- 

2.52.0

  patches = [

    ./darwin-no-universal.patch

    # https://github.com/libui-ng/libui-ng/pull/348

    ./0001-Remove-cm_print_error-declaration.patch

  ];

  nativeBuildInputs = [