visp: fix unsupported -mfpu on darwin (#403603)

pkgs/by-name/vi/visp/package.nix

@@ -55,6 +55,13 @@ stdenv.mkDerivation (finalAttrs: {
       url = "https://github.com/lagadic/visp/pull/1310/commits/9ed0300507e13dddd83fd62a799f5039025ea44e.patch";
       hash = "sha256-xrJ7B/8mEfi9dM/ToMr6vCAwX/FMw+GA/W0zFYgT32s=";
     })
+
+    # fix error: unsupported option '-mfpu=' on darwin
+    # this was merged upstream, and can be removed on next release
+    (fetchpatch {
+      url = "https://github.com/lagadic/visp/commit/8c1461661f99a5db31c89ede9946d2b0244f8123.patch";
+      hash = "sha256-MER5KDrFxKs+Y5G9UcEIAh95Zilmv1Vp4xq+isRMM/U=";
+    })
   ];
 
   nativeBuildInputs = [
@@ -95,6 +102,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   meta = {
     description = "Open Source Visual Servoing Platform";
+    # ref. https://github.com/lagadic/visp/pull/1658
+    broken = stdenv.hostPlatform.system == "x86_64-darwin";
     homepage = "https://visp.inria.fr";
     changelog = "https://github.com/lagadic/visp/blob/v${finalAttrs.version}/ChangeLog.txt";
     license = lib.licenses.gpl2Plus;