Assorted fixes:

* cmake CMP0054 and CMP0045
* aarch64 build
* portable code options in PCH cmake
* some of gcc 4.9 warnings

3rdparty/.gitignore

+ippicv
\ No newline at end of file

3rdparty/libpng/CMakeLists.txt

@@ -14,7 +14,7 @@ ocv_include_directories("${CMAKE_CURRENT_SOURCE_DIR}" ${ZLIB_INCLUDE_DIR})
 file(GLOB lib_srcs *.c)
 file(GLOB lib_hdrs *.h)
 
-if(NEON)
+if(NEON AND CMAKE_SIZEOF_VOID_P EQUAL 4)
   list(APPEND lib_srcs arm/filter_neon.S)
   add_definitions(-DPNG_ARM_NEON)
 endif()

cmake/OpenCVModule.cmake

@@ -707,7 +707,7 @@ macro(__ocv_parse_test_sources tests_type)
       set(__file_group_sources "")
     elseif(arg STREQUAL "DEPENDS_ON")
       set(__currentvar "OPENCV_TEST_${the_module}_DEPS")
-    elseif("${__currentvar}" STREQUAL "__file_group_sources" AND NOT __file_group_name)
+    elseif(" ${__currentvar}" STREQUAL " __file_group_sources" AND NOT __file_group_name) # spaces to avoid CMP0054
       set(__file_group_name "${arg}")
     else()
       list(APPEND ${__currentvar} "${arg}")
@@ -925,7 +925,7 @@ macro(__ocv_track_module_link_dependencies the_module optkind)
         if(__resolved_deps MATCHES "(^|;)${__rdep}(;|$)")
           #all dependencies of this module are already resolved
           list(APPEND ${the_module}_MODULE_DEPS_${optkind} "${__dep}")
-        else()
+        elseif(TARGET ${__dep})
           get_target_property(__module_type ${__dep} TYPE)
           if(__module_type STREQUAL "STATIC_LIBRARY")
             if(NOT DEFINED ${__dep}_LIB_DEPENDS_${optkind})
@@ -933,9 +933,9 @@ macro(__ocv_track_module_link_dependencies the_module optkind)
             endif()
             list(INSERT __mod_depends 0 ${${__dep}_LIB_DEPENDS_${optkind}} ${__dep})
             list(APPEND __resolved_deps "${__dep}")
-          elseif(NOT __module_type)
-            list(APPEND  ${the_module}_EXTRA_DEPS_${optkind} "${__dep}")
           endif()
+        else()
+          list(APPEND  ${the_module}_EXTRA_DEPS_${optkind} "${__dep}")
         endif()
       #else()
        # get_target_property(__dep_location "${__dep}" LOCATION)

cmake/OpenCVPCHSupport.cmake

@@ -41,16 +41,15 @@ MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
     STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
     SET(${_out_compile_flags} ${${_flags_var_name}} )
 
-    IF(CMAKE_COMPILER_IS_GNUCXX)
-
-        GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
-        IF(${_targetType} STREQUAL SHARED_LIBRARY AND NOT WIN32)
-            LIST(APPEND ${_out_compile_flags} "-fPIC")
-        ENDIF()
-
-    ELSE()
-        ## TODO ... ? or does it work out of the box
-    ENDIF()
+    GET_TARGET_PROPERTY(_targetPIC ${_PCH_current_target} POSITION_INDEPENDENT_CODE)
+    if (_targetPIC AND CMAKE_CXX_COMPILE_OPTIONS_PIC)
+      LIST(APPEND ${_out_compile_flags} "${CMAKE_CXX_COMPILE_OPTIONS_PIC}")
+    elseif(CMAKE_COMPILER_IS_GNUCXX)
+      GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
+      IF(${_targetType} STREQUAL SHARED_LIBRARY AND NOT WIN32)
+        LIST(APPEND ${_out_compile_flags} "-fPIC")
+      ENDIF()
+    endif()
 
     GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES )
     FOREACH(item ${DIRINC})

cmake/OpenCVUtils.cmake

@@ -200,12 +200,12 @@ macro(OCV_OPTION variable description value)
     endif()
   endforeach()
   unset(__varname)
-  if("${__condition}" STREQUAL "")
+  if(__condition STREQUAL "")
     set(__condition 2 GREATER 1)
   endif()
 
   if(${__condition})
-    if("${__value}" MATCHES ";")
+    if(__value MATCHES ";")
       if(${__value})
         option(${variable} "${description}" ON)
       else()

modules/core/include/opencv2/core/internal.hpp

@@ -153,7 +153,7 @@ CV_INLINE IppiSize ippiSize(const cv::Size & _size)
 # include "arm_neon.h"
 # define CV_NEON 1
 # define CPU_HAS_NEON_FEATURE (true)
-#elif defined(__ARM_NEON__)
+#elif defined(__ARM_NEON__) || defined(__ARM_NEON)
 #  include <arm_neon.h>
 #  define CV_NEON 1
 #  define CPU_HAS_NEON_FEATURE (true)

modules/core/src/cmdparser.cpp

@@ -7,6 +7,7 @@ using namespace std;
 using namespace cv;
 
 namespace {
+#if 0
 void helpParser()
 {
     printf("\nThe CommandLineParser class is designed for command line arguments parsing\n"
@@ -50,6 +51,7 @@ void helpParser()
            "                          It also works with 'unsigned int', 'double', and 'float' types \n"
            );
 }
+#endif
 
 vector<string> split_string(const string& str, const string& delimiters)
 {

modules/flann/include/opencv2/flann/dist.h

@@ -47,7 +47,7 @@ typedef unsigned __int64 uint64_t;
 # include <Intrin.h>
 #endif
 
-#ifdef __ARM_NEON__
+#if defined(__ARM_NEON__) || defined(__ARM_NEON)
 # include "arm_neon.h"
 #endif
 
@@ -460,7 +460,7 @@ struct Hamming
     ResultType operator()(Iterator1 a, Iterator2 b, size_t size, ResultType /*worst_dist*/ = -1) const
     {
         ResultType result = 0;
-#ifdef __ARM_NEON__
+#if defined(__ARM_NEON__) || defined(__ARM_NEON)
         {
             uint32x4_t bits = vmovq_n_u32(0);
             for (size_t i = 0; i < size; i += 16) {

modules/highgui/src/grfmt_tiff.cpp

@@ -50,6 +50,9 @@
 #include "precomp.hpp"
 #include "grfmt_tiff.hpp"
 
+#define int64 int64_tiff
+#define uint64 uint64_tiff
+
 #ifdef HAVE_TIFF
 # include "tiff.h"
 # include "tiffio.h"

modules/ts/misc/run.py

@@ -46,7 +46,7 @@ SIMD_DETECTION_PROGRAM="""
 #if __MMX__
 # error MMX
 #endif
-#if __ARM_NEON__
+#if __ARM_NEON__ || __ARM_NEON
 # error NEON
 #endif
 #error NOSIMD

modules/video/test/test_tvl1optflow.cpp

@@ -54,6 +54,7 @@ namespace
     const float FLO_TAG_FLOAT = 202021.25f;  // check for this when READING the file
     const char FLO_TAG_STRING[] = "PIEH";    // use this when WRITING the file
 
+#ifdef DUMP
     // binary file format for flow data specified here:
     // http://vision.middlebury.edu/flow/data/
     void writeOpticalFlowToFile(const Mat_<Point2f>& flow, const string& fileName)
@@ -76,6 +77,7 @@ namespace
             }
         }
     }
+#endif
 
     // binary file format for flow data specified here:
     // http://vision.middlebury.edu/flow/data/