backward-cpp: fix limits (#4693)

* backward-cpp: fix limits

* backward-cpp: add execinfo

* backward-cpp: add syslinks for wasm

* backward-cpp: fix add_syslinks

* backward-cpp: exclude more plats

* backward-cpp: exclude cross

packages/b/backward-cpp/xmake.lua

@@ -55,7 +55,7 @@ package("backward-cpp")
         package:add("defines", "BACKWARD_HAS_PDB_SYMBOL=" .. (is_plat("windows") and "1" or "0"))
     end)
 
-    on_install("windows|!arm64", function (package)
+    on_install("(!windows or windows|!arm64) and !android and !bsd and !wasm and !cross", function (package)
         local configs = {"-DBACKWARD_TESTS=OFF", "-DSTACK_DETAILS_AUTO_DETECT=OFF"}
         table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
         table.insert(configs, "-DBACKWARD_SHARED=" .. (package:config("shared") and "ON" or "OFF"))