silence policy warnings

CMakeLists.txt

@@ -10,20 +10,24 @@
 # example: >> cmake  -DDESIRED_QT_VERSION=5  -DCMAKE_PREFIX_PATH=~/Qt/5.5/clang_64 ..
 # Flags for VS: -G "Visual Studio ..." -DCMAKE_PREFIX_PATH=... -DCMAKE_C_FLAGS="-mwindows"
 
-cmake_minimum_required(VERSION 2.8.9)
-IF (POLICY CMP0048) # in CMake 3.0.0+
-  CMAKE_POLICY (SET CMP0048 OLD) # keep PROJECT() from clearing VERSION variables
-ENDIF (POLICY CMP0048)
-IF (POLICY CMP0043) # in CMake 3.0.0+
-  CMAKE_POLICY (SET CMP0043 OLD) # keep PROJECT() from clearing VERSION variables
-ENDIF (POLICY CMP0043)
-IF (POLICY CMP0020)
-  CMAKE_POLICY (SET CMP0020 OLD) # keep old POLICY (2.8.10 and lower) The OLD behavior for this policy is not to link executables to
-ENDIF (POLICY CMP0020)			#qtmain.lib automatically when they link to the QtCore IMPORTEDtarget
+cmake_minimum_required(VERSION 3.1)
+##IF (POLICY CMP0048) # in CMake 3.0.0+
+#  CMAKE_POLICY (SET CMP0048 OLD) # keep PROJECT() from clearing VERSION variables
+#ENDIF (POLICY CMP0048)
+
+#IF (POLICY CMP0043) # in CMake 3.0.0+
+#  CMAKE_POLICY (SET CMP0043 OLD) # keep PROJECT() from clearing VERSION variables
+#ENDIF (POLICY CMP0043)
+#IF (POLICY CMP0020)
+#  CMAKE_POLICY (SET CMP0020 OLD) # keep old POLICY (2.8.10 and lower) The OLD behavior for this policy is not to link executables to
+#ENDIF (POLICY CMP0020)			#qtmain.lib automatically when they link to the QtCore IMPORTEDtarget
 
 IF (POLICY CMP0025)
   cmake_policy(SET CMP0025 NEW) #fixes error No known features for CXX compiler (on mac)
 ENDIF (POLICY CMP0025)
+IF (POLICY CMP0054)
+	cmake_policy(SET CMP0054 NEW)
+ENDIF (POLICY CMP0054)
 
 project(JPSeditor)
 
@@ -190,14 +194,20 @@ ENDIF (WIN32)
 if("${QT_QMAKE_EXECUTABLE}" STREQUAL "")
   FIND_PROGRAM(QT_QMAKE_EXECUTABLE NAMES qmake)
   if ("${QT_QMAKE_EXECUTABLE}" STREQUAL "")
-    message(FATTAL_ERROR "QT not found - abort.")
+    message(FATAL_ERROR "QT not found - abort.")
   endif()
 endif()
 message(STATUS "QT_Qmake_executable ........................... " ${QT_QMAKE_EXECUTABLE})
+if("${QT_QMAKE_EXECUTABLE}" STREQUAL "QT_QMAKE_EXECUTABLE-NOTFOUND")
+ message(FATAL_ERROR "QT not found - abort.")
+ endif()
+ 
 execute_process(COMMAND ${QT_QMAKE_EXECUTABLE} -query QT_VERSION OUTPUT_VARIABLE QT_VERSION)
+
 message(STATUS "QT_VERSION .................................... " ${QT_VERSION})
+
 # qt version > 5 or qt version < 3 are not supported
-if( ${QT_VERSION} VERSION_GREATER 6 OR ${QT_VERSION} VERSION_LESS 3)
+if( "${QT_VERSION}" VERSION_GREATER 6 OR "${QT_VERSION}" VERSION_LESS 3)
   message(FATAL_ERROR "QT version " ${DESIRED_QT_VERSION} " not supported. Try 4 or 5")
 endif()