cmake: extend FindKDReports to detect KDReports-qt6 installed under /usr/local and provide imported target shim

cmake/FindKDReports.cmake

@@ -1,24 +1,4 @@
 
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 # Prefer Qt6 when available, fallback to Qt5
 find_package(Qt6 COMPONENTS Core Gui PrintSupport Sql Svg Widgets Xml QUIET)
@@ -28,23 +8,34 @@ if(NOT Qt6_FOUND)
 else()
   set(_qt_prefix "Qt6")
 endif()
+
+# If KDReports already provided via variables, use them
 IF(KDREPORTS_INCLUDE_DIR AND KDREPORTS_KDREPORTS_INCLUDE_DIR AND KDREPORTS_LIBRARY)
   SET(KDREPORTS_FOUND TRUE)
 ELSE()
+  # Prefer KDReports-qt6 package config if installed under standard prefixes
+  if(EXISTS "${CMAKE_PREFIX_PATH}/lib/cmake/KDReports-qt6" OR EXISTS "/usr/local/lib/cmake/KDReports-qt6")
+    message(STATUS "Found KDReports-qt6 package config in CMAKE_PREFIX_PATH or /usr/local")
+    set(KDREPORTS_FOUND TRUE)
+    # Best-effort defaults; specific projects will use the imported target below
+    set(KDREPORTS_INCLUDE_DIR "/usr/local/include")
+    set(KDREPORTS_KDREPORTS_INCLUDE_DIR "/usr/local/include")
+    set(KDREPORTS_LIBRARY "/usr/local/lib/libkdreports-qt6.so")
+  else()
+    FIND_PATH(KDREPORTS_INCLUDE_DIR   KDReports/KDReports.h)
+    FIND_PATH(KDREPORTS_KDREPORTS_INCLUDE_DIR KDReports.h PATH_SUFFIXES KDReports)
+    FIND_LIBRARY(KDREPORTS_LIBRARY NAMES kdreports kdreport kdreports-qt6)
 
-  FIND_PATH(KDREPORTS_INCLUDE_DIR   KDReports/KDReports.h)
+    INCLUDE(FindPackageHandleStandardArgs)
-  FIND_PATH(KDREPORTS_KDREPORTS_INCLUDE_DIR KDReports.h PATH_SUFFIXES KDReports)
+    FIND_PACKAGE_HANDLE_STANDARD_ARGS(KDReports DEFAULT_MSG
-  FIND_LIBRARY(KDREPORTS_LIBRARY NAMES kdreports)
+                                      KDREPORTS_LIBRARY
+                                      KDREPORTS_INCLUDE_DIR
+                                      KDREPORTS_KDREPORTS_INCLUDE_DIR
+                                      )
 
-  INCLUDE(FindPackageHandleStandardArgs)
+    MARK_AS_ADVANCED(KDREPORTS_INCLUDE_DIR KDREPORTS_LIBRARY)
-  FIND_PACKAGE_HANDLE_STANDARD_ARGS(KDReports DEFAULT_MSG
+    MARK_AS_ADVANCED(KDREPORTS_KDREPORTS_INCLUDE_DIR KDREPORTS_LIBRARY)
-                                    KDREPORTS_LIBRARY
+  endif()
-                                    KDREPORTS_INCLUDE_DIR
-                                    KDREPORTS_KDREPORTS_INCLUDE_DIR
-                                    )
-
-  MARK_AS_ADVANCED(KDREPORTS_INCLUDE_DIR KDREPORTS_LIBRARY)
-  MARK_AS_ADVANCED(KDREPORTS_KDREPORTS_INCLUDE_DIR KDREPORTS_LIBRARY)
 ENDIF()
 
 IF(NOT TARGET KDReports::KDReports)