Use Qt:: directly

autotests/CMakeLists.txt

@@ -4,6 +4,6 @@ include(ECMAddTests)
 find_package(Qt${QT_MAJOR_VERSION}Test ${QT_REQUIRED_VERSION} REQUIRED)
 
 ecm_add_test(smtptest.cpp fakeserver.cpp smtptest.h fakeserver.h
-    LINK_LIBRARIES KPimSMTP Qt${QT_MAJOR_VERSION}::Test Qt${QT_MAJOR_VERSION}::Network
+    LINK_LIBRARIES KPimSMTP Qt::Test Qt::Network
     TEST_NAME smtptest
 )

src/CMakeLists.txt

@@ -43,7 +43,7 @@ PUBLIC
 PRIVATE
     KF5::I18n
     KF5::KIOCore
-    Qt${QT_MAJOR_VERSION}::Network
+    Qt::Network
     Sasl2::Sasl2
     ${extra_LIBS}
 )

tests/CMakeLists.txt

 # SPDX-FileCopyrightText: none
 # SPDX-License-Identifier: BSD-3-Clause
 add_executable(logintest logintest.cpp)
-target_link_libraries(logintest KPimSMTP Qt${QT_MAJOR_VERSION}::Core KF5::KIOWidgets)
+target_link_libraries(logintest KPimSMTP Qt::Core KF5::KIOWidgets)