ENH: make it so cmake-gui only installs if qt is static on windows

CMakeCPack.cmake

@@ -7,6 +7,8 @@ IF(EXISTS "${CMAKE_ROOT}/Modules/CPack.cmake")
     MARK_AS_ADVANCED(CMAKE_INSTALL_DEBUG_LIBRARIES)
     INCLUDE(${CMake_SOURCE_DIR}/Modules/InstallRequiredSystemLibraries.cmake)
   ENDIF(EXISTS "${CMAKE_ROOT}/Modules/InstallRequiredSystemLibraries.cmake")
+  # Set the options file that needs to be included inside CMakeCPackOptions.cmake
+  SET(QT_DIALOG_CPACK_OPTIONS_FILE ${CMake_BINARY_DIR}/Source/QtDialog/QtDialogCPack.cmake)
   CONFIGURE_FILE("${CMake_SOURCE_DIR}/CMakeCPackOptions.cmake.in"
     "${CMake_BINARY_DIR}/CMakeCPackOptions.cmake" @ONLY)
   SET(CPACK_PROJECT_CONFIG_FILE "${CMake_BINARY_DIR}/CMakeCPackOptions.cmake")

CMakeCPackOptions.cmake.in

@@ -3,8 +3,7 @@
 # in this file.  
 
 if(CPACK_GENERATOR MATCHES "NSIS")
-  SET(BUILD_QtDialog @BUILD_QtDialog@)
-  SET(CMAKE_QT_IS_STATIC @CMAKE_QT_IS_STATIC@)
+  SET(QT_DIALOG_OPTIONS_FILE @QT_DIALOG_OPTIONS_FILE@)
   # set the install/unistall icon used for the installer itself
   # There is a bug in NSI that does not handle full unix paths properly. 
   SET(CPACK_NSIS_MUI_ICON "@CMake_SOURCE_DIR@/Utilities/Release\\CMakeLogo.ico")
@@ -33,11 +32,9 @@ if(CPACK_GENERATOR MATCHES "NSIS")
   SET(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\www.kitware.com")
   SET(CPACK_NSIS_CONTACT @CPACK_PACKAGE_CONTACT@)
   SET(CPACK_NSIS_MODIFY_PATH ON)
-  # only package cmake-gui if QT is static on windows
-  IF(BUILD_QtDialog AND CMAKE_QT_IS_STATIC)
-    SET(CPACK_PACKAGE_EXECUTABLES ${CPACK_PACKAGE_EXECUTABLES} "cmake-gui" "cmake-gui(beta)") 
-  ENDIF(BUILD_QtDialog AND CMAKE_QT_IS_STATIC)
 endif(CPACK_GENERATOR MATCHES "NSIS")
+# include the cpack options 
+INCLUDE("@QT_DIALOG_CPACK_OPTIONS_FILE@")
 
 if(CPACK_GENERATOR MATCHES "CygwinSource")
   # when packaging source make sure the .build directory is not included

Source/QtDialog/CMakeLists.txt

@@ -1,4 +1,4 @@
-
+PROJECT(QtDialog)
 SET(QT_MIN_VERSION "4.2.0")
 FIND_PACKAGE(Qt4 REQUIRED)
 
@@ -7,9 +7,14 @@ IF(NOT QT4_FOUND)
 ELSE(NOT QT4_FOUND)
 
   INCLUDE(${QT_USE_FILE})
-  IF(QT_CONFIG MATCHES "static")
-    SET(CMAKE_QT_IS_STATIC TRUE CACHE STATIC "")
-  ENDIF(QT_CONFIG MATCHES "static")
+  SET(CMAKE_PACKAGE_QTGUI TRUE)
+  # i don't want to install or package the qt gui on windows 
+  # unless qt is static
+  IF(WIN32 AND NOT QT_CONFIG MATCHES "static")
+    SET(CMAKE_PACKAGE_QTGUI FALSE)
+  ENDIF(WIN32 AND NOT QT_CONFIG MATCHES "static")
+  CONFIGURE_FILE("${QtDialog_SOURCE_DIR}/QtDialogCPack.cmake.in"
+    "${QtDialog_BINARY_DIR}/QtDialogCPack.cmake")    
   SET(SRCS
     AddCacheEntry.cxx
     AddCacheEntry.h
@@ -51,12 +56,9 @@ ELSE(NOT QT4_FOUND)
   TARGET_LINK_LIBRARIES(cmake-gui CMakeLib ${QT_QTMAIN_LIBRARY} ${QT_LIBRARIES})
   # if qt is not static and we are on windows then skip the install
   # I don't want to distribute qt dlls
-  IF(WIN32 AND NOT CMAKE_QT_IS_STATIC)
-    SET(SKIP_INSTALL TRUE)
-  ENDIF(WIN32 AND NOT CMAKE_QT_IS_STATIC)
-  IF(NOT SKIP_INSTALL)
+  IF(CMAKE_PACKAGE_QTGUI)
     INSTALL_TARGETS(/bin cmake-gui)
-  ENDIF(NOT SKIP_INSTALL)
+  ENDIF(CMAKE_PACKAGE_QTGUI)
 
 ENDIF(NOT QT4_FOUND)
 

Source/QtDialog/QtDialogCPack.cmake.in

@@ -0,0 +1,4 @@
+SET(CMAKE_PACKAGE_QTGUI @CMAKE_PACKAGE_QTGUI@)
+IF(CMAKE_PACKAGE_QTGUI)
+  SET(CPACK_PACKAGE_EXECUTABLES ${CPACK_PACKAGE_EXECUTABLES} "cmake-gui" "cmake-gui(beta)") 
+ENDIF(CMAKE_PACKAGE_QTGUI)