time: fix build on non-glibc

pkgs/by-name/ti/time/package.nix

@@ -17,11 +17,9 @@ stdenv.mkDerivation (finalAttrs: {
   patches = [
     # fixes cross-compilation to riscv64-linux
     ./time-1.9-implicit-func-decl-clang.patch
+    # https://lists.gnu.org/archive/html/bug-time/2025-10/msg00000.html
     # fix compilation with gcc15
-    (fetchpatch {
-      url = "https://src.fedoraproject.org/rpms/time/raw/191440912c2e9a63af87802e507ca3ccb923e805/f/time-1.9-Fix-compiling-with-GCC15.patch";
-      hash = "sha256-4Qp3mV8XuCmz518GPtrW52gyaPOb+97RE6FDPKNCyJw=";
-    })
+    ./time-1.9-fix-sighandler-prototype-for-c23.patch
   ];
 
   meta = {

pkgs/by-name/ti/time/time-1.9-fix-sighandler-prototype-for-c23.patch

@@ -0,0 +1,30 @@
+In C23 functions with empty argument list in the prototype are treated
+as taking no arguments. This means that the `int` argument of the
+sighandler must be specified explicitly or the code will fail to
+compile due to mismatched function type.
+
+Signed-off-by: Marcin Serwin <marcin@serwin.dev>
+---
+This fixes the same issue as
+<https://lists.gnu.org/archive/html/bug-time/2025-01/msg00000.html> and
+<https://lists.gnu.org/archive/html/bug-time/2025-03/msg00000.html> but does not
+rely on `sighandler_t` which is a GNU extension.
+
+ src/time.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/time.c b/src/time.c
+index 7b401bc..88287dd 100644
+--- a/src/time.c
++++ b/src/time.c
+@@ -77,7 +77,7 @@ enum
+
+
+ /* A Pointer to a signal handler.  */
+-typedef RETSIGTYPE (*sighandler) ();
++typedef RETSIGTYPE (*sighandler) (int);
+
+ /* msec = milliseconds = 1/1,000 (1*10e-3) second.
+    usec = microseconds = 1/1,000,000 (1*10e-6) second.  */
+--
+2.51.0