Build: Fix handling of (s)ccache support

So it also works when building individual projects like cdbext

Change-Id: Ibb9cac77146a9f19cbbe22f2c7257b951f38f3fc
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/libs/qtcreatorcdbext/CMakeLists.txt

@@ -12,6 +12,7 @@ if (NOT QT_CREATOR_API_DEFINED)
   # standalone build
   include(QtCreatorIDEBranding)
   include(QtCreatorAPI)
+  qtc_handle_compiler_cache_support()
 endif()
 
 if (NOT WIN32 OR NOT MSVC)

src/tools/qml2puppet/CMakeLists.txt

@@ -16,6 +16,7 @@ if (NOT QT_CREATOR_API_DEFINED)
   set(DESTINATION DESTINATION .)
   include(QtCreatorIDEBranding)
   include(QtCreatorAPI)
+  qtc_handle_compiler_cache_support()
 
   find_package(Qt6
     COMPONENTS Concurrent Core Gui Network PrintSupport Qml Quick Sql Widgets Xml

src/tools/sdktool/CMakeLists.txt

@@ -16,6 +16,7 @@ if (NOT QT_CREATOR_API_DEFINED)
   set(DESTINATION DESTINATION .)
   include(QtCreatorIDEBranding)
   include(QtCreatorAPI)
+  qtc_handle_compiler_cache_support()
 
   find_package(QT NAMES Qt6 Qt5
     COMPONENTS Core

src/tools/wininterrupt/CMakeLists.txt

@@ -12,6 +12,7 @@ if (NOT QT_CREATOR_API_DEFINED)
   # standalone build
   include(QtCreatorIDEBranding)
   include(QtCreatorAPI)
+  qtc_handle_compiler_cache_support()
 endif()
 
 if (NOT WIN32)

tests/auto/debugger/CMakeLists.txt

@@ -24,6 +24,7 @@ if (NOT QT_CREATOR_API_DEFINED)
 
   include(QtCreatorIDEBranding)
   include(QtCreatorAPI)
+  qtc_handle_compiler_cache_support()
 
   set(WITH_TESTS ON)