(#6019) qt: raise conan libs priority vs system libs

* qt: raise conan libs priority vs system libs

* Update conanfile.py

* fix test recipe

qmake already links to qt libraries

recipes/qt/5.x.x/conanfile.py

@@ -567,6 +567,8 @@ def build(self):
         for package in self.deps_cpp_info.deps:
             args += ["-I \"%s\"" % s for s in self.deps_cpp_info[package].include_paths]
             args += ["-D %s" % s for s in self.deps_cpp_info[package].defines]
+        lib_arg = "/LIBPATH:" if self.settings.compiler == "Visual Studio" else "-L"
+        args.append("QMAKE_LFLAGS+=\"%s\"" % " ".join("%s%s" % (lib_arg, l) for package in self.deps_cpp_info.deps for l in self.deps_cpp_info[package].lib_paths))
 
         if "libmysqlclient" in self.deps_cpp_info.deps:
             args.append("-mysql_config \"%s\"" % os.path.join(self.deps_cpp_info["libmysqlclient"].rootpath, "bin", "mysql_config"))
@@ -641,8 +643,6 @@ def _getenvpath(var):
                 if self.settings.os == "Windows":
                     build_env["PATH"] = [os.path.join(self.source_folder, "qt5", "gnuwin32", "bin")]
 
-                build_env["LIB" if self.settings.compiler == "Visual Studio" else "LIBRARY_PATH"] = \
-                    [l for package in self.deps_cpp_info.deps for l in self.deps_cpp_info[package].lib_paths]
                 with tools.environment_append(build_env):
 
                     if tools.os_info.is_macos:

recipes/qt/5.x.x/test_package/test_package.pro

@@ -10,3 +10,4 @@ CONFIG += console
 
 CONFIG += conan_basic_setup
 include($$OUT_PWD/../conanbuildinfo.pri)
+LIBS -= $$CONAN_LIBS_QT