Added more version information to cmake status (Qt, CUDA, OpenEXR, gcc)

cmake/OpenCVFindOpenEXR.cmake

@@ -74,13 +74,28 @@ IF (OPENEXR_INCLUDE_PATH AND OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY AN
 ENDIF ()
 
 IF(OPENEXR_FOUND)
-    IF(NOT OPENEXR_FIND_QUIETLY)
-        MESSAGE(STATUS "Found OpenEXR: ${OPENEXR_ILMIMF_LIBRARY}")
-    ENDIF()
+  IF(NOT OPENEXR_FIND_QUIETLY)
+    MESSAGE(STATUS "Found OpenEXR: ${OPENEXR_ILMIMF_LIBRARY}")
+  ENDIF()
+  if(PKG_CONFIG_FOUND AND NOT OPENEXR_VERSION)
+    get_filename_component(OPENEXR_LIB_PATH "${OPENEXR_ILMIMF_LIBRARY}" PATH)
+    if(EXISTS "${OPENEXR_LIB_PATH}/pkgconfig/OpenEXR.pc")
+      execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --modversion "${OPENEXR_LIB_PATH}/pkgconfig/OpenEXR.pc"
+                      RESULT_VARIABLE PKG_CONFIG_PROCESS
+                      OUTPUT_VARIABLE OPENEXR_VERSION
+                      OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
+      if(NOT PKG_CONFIG_PROCESS EQUAL 0)
+        SET(OPENEXR_VERSION "Unknown")
+      endif()
+    endif()
+  endif()
+  if(NOT OPENEXR_VERSION)
+    SET(OPENEXR_VERSION "Unknown")
+  endif()
 ELSE()
-    IF(OPENEXR_FIND_REQUIRED)
-        MESSAGE(FATAL_ERROR "Could not find OpenEXR library")
-    ENDIF()
+  IF(OPENEXR_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Could not find OpenEXR library")
+  ENDIF()
 ENDIF()
 
 MARK_AS_ADVANCED(
@@ -90,4 +105,4 @@ MARK_AS_ADVANCED(
 	OPENEXR_IMATH_LIBRARY
 	OPENEXR_IEX_LIBRARY
 	OPENEXR_HALF_LIBRARY
-    OPENEXR_ILMTHREAD_LIBRARY)
+    OPENEXR_ILMTHREAD_LIBRARY)

cmake/OpenCVUtils.cmake

@@ -277,7 +277,7 @@ macro(ocv_to_full_paths VAR)
 endmacro()
 
 
-# read set of defines from the header file
+# read set of version defines from the header file
 macro(ocv_parse_header FILENAME FILE_VAR)
   set(vars_regex "")
   set(__parnet_scope OFF)
@@ -318,6 +318,7 @@ macro(ocv_parse_header FILENAME FILE_VAR)
   endforeach()
 endmacro()
 
+# read single version define from the header file
 macro(ocv_parse_header2 LIBNAME HDR_PATH VARNAME SCOPE)
   set(${LIBNAME}_H "")
   if(EXISTS "${HDR_PATH}")