Improve quickcpplib (#1647)

* Improve quickcpplib

* Remove empty lines

packages/q/quickcpplib/xmake.lua

@@ -7,14 +7,21 @@ package("quickcpplib")
     add_urls("https://github.com/ned14/quickcpplib.git")
     add_versions("20221116", "52163d5a198f1d0a2583e683f090778686f9f998")
 
-    add_deps("cmake")
+    add_configs("header_only", {description = "Use header only version. (not supported atm)", default = false, type = "boolean", readonly = true})
 
+    add_deps("cmake")
     on_install(function (package)
-        local configs = {}
-        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        local configs = {"-DPROJECT_IS_DEPENDENCY=ON"}
         io.replace("CMakeLists.txt", "include(QuickCppLibMakeStandardTests)", "", {plain = true})
         io.replace("CMakeLists.txt", "include(QuickCppLibMakeDoxygen)", "", {plain = true})
-        import("package.tools.cmake").install(package, configs)
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        local target = "quickcpplib_"
+        if package:config("header_only") then
+            target = target .. "hl" 
+        else 
+            target = target .. (package:config("shared") and "_dl" or "_sl")
+        end
+        import("package.tools.cmake").install(package, configs, { target = target })
     end)
 
     on_test(function (package)